use and care manual - Paloma Water Heaters Paloma Water Heaters

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WARNING:

If the information in these instructions is not followed exactly, a fire or explosion may result, causing death, personal injury, or property damage.

For Your Safety! •D  o not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. To do so may result in an explosion or fire. • Installation and service must be performed by a qualified installer, service agency, or the gas supplier.

What to Do If You Smell Gas •D  o not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions. • If you cannot reach your gas supplier, call the fire department. • Do not return to your home until authorized by the gas supplier or fire department. Do not destroy manual. Please read carefully and keep in a safe place for future reference. Direct Vent Models

Outdoor Models

Rheem/EcoSense RTGH-95DV* RTGH-84V* ECOH200DV* ECOH160DV* Paloma/Wai Wela PHH-32RDV* PHH-25RDV*

Rheem/EcoSense RTGH-95X* RTGH-84X* ECOH200X* ECOH160X* Paloma/Wai Wela PHH-32ROF* PHH-25ROF* Ruud RUTGH-95X* RUTGH-84X* Richmond RMTGH95X* RMTGH84X*

Ruud RUTGH-95DV* RUTGH-84DV* Richmond RMTGH95DV* RMTGH84DV*

*All models available for natural gas (N) or propane gas (P) usage. Printed in USA AP15896-1(11/10)

94% CONDENSING TANKLESS WATER HEATER USE AND CARE MANUAL With Installation Instructions for the Installer Water Heaters for Other Than Recreational Vehicle Installation Only DESIGN

CER TIFIED

CERTIFIED

®

R

CONTENTS Safety

Important Safety Information Safety Precautions................................................... 2–8 Product Information Product Information..................................................... 8 Specifications......................................................... 9, 10 General Descriptions.............................................11, 12 Using Your Water Heater Setting the Water Temperature............................. 13, 14 Caring for Your Water Heater Water Heater Inspections..................................... 15, 16 Care and Cleaning.................................................17, 18 Preventive Maintenance............................................. 19 Draining the Water Heater......................................20–22 Freeze Protection....................................................... 22 Vacation and Extended Shutdown ........................... 23 Troubleshooting Chart.......................................... 23, 24 Service Error Code Chart..................................... 25, 26

If You Need Service Call for Assistance..................................................... 26 Installation Instructions Standards Compliance................................................28 Choosing a Location............................................. 28, 29 Product Inspection..................................................... 30 Water Heater Installation....................................... 30–33 Venting................................................................... 34–46 Water Supply......................................................... 47–51 Condensate.................................................................51 Gas Supply............................................................ 52–56 Electrical Wiring..................................................... 56–60 Remote Control Installation................................... 59, 60 Insulation Blankets......................................................61 Installation Checklist...................................................62 Lighting the Water Heater.....................................63, 64 Setting the Water Temperature..............................65–68 High-Altitude Adjustments....................................67, 68 Parts Replacement............................................69, 70

IMPORTANT SAFETY INFORMATION READ THE SAFETY INFORMATION Your safety and the safety of others are very WARNINGS: important. There are many important safety messages in this manual and on your appliance. Always read and obey all safety messages.



This is the safety alert symbol. Recognize this symbol as an indication of Important Safety Information! This symbol alerts you to potential hazards that can kill or hurt you and others.

All safety messages will follow the safety alert symbol and either the word “DANGER,” “WARNING,” “CAUTION,” or “NOTICE.” These words mean:

DANGER:

An imminently hazardous situation that will result in death or serious injury.

WARNING:

A potentially hazardous situation that can result in death or serious injury and/or damage to property.

CAUTION:

A potentially hazardous situation that may result in minor or moderate injury.

NOTICE:

Attention is called to observe a specified procedure or maintain a specific condition.

2

•T  his water heater is not suitable for use in manufactured (mobile) homes! • Improper installation, adjustment, alteration, service, or maintenance can cause death, personal injury, or property damage. Refer to this manual.

READ ALL INSTRUCTIONS BEFORE USING. Be sure to read and understand the entire Use and Care Manual before attempting to install or operate this water heater. It may save you time and money. Pay particular attention to the Safety Instructions. Failure to follow these warnings could result in death or serious bodily injury. Should you have problems understanding the instructions in this manual, or have any questions, STOP and get help from a qualified service technician or the local gas utility.

WARNING: California Proposition 65

This product contains chemicals known to the state of California to cause cancer, birth defects, or other reproductive harm.

IMPORTANT SAFETY INFORMATION Water Heater Venting Safety

DANGER:

Failure to install and properly vent the water heater to the outdoors as outlined in the “Venting” section of the Installation Instructions in this manual will result in death from fire, explosion, or asphyxiation from carbon monoxide. NEVER operate this water heater unless it is properly vented and has an adequate air supply for proper operation.

WARNINGS:

•G  asoline and other flammable liquids, materials, and vapors (including paint thinners, solvents, and adhesives) are extremely dangerous. DO NOT handle, use, or store gasoline or other flammable or combustible materials anywhere in the vicinity of a water heater or any other appliance. Be sure to read and follow the labels on the water heater, as well as the warnings printed in this manual. Failure to do so can result in death, bodily injury, or property damage. • Combustible construction refers to adjacent walls and ceilings and should not be confused with combustible or flammable products and materials. Combustible materials, such as clothing, cleaning materials, or flammable liquids, should never be stored in the vicinity of this or any gas appliance. Fire or explosion can occur causing death, personal injury, and/or product damage. See page 29 for clearances to combustible materials. • Follow vent manufacturer’s instructions for venting installation, including additional clearances from combustibles, to avoid conditions that can lead to death, personal injury, and/or property damage. • Use tankless water heater manufacturer-approved Schedule 40 PVC (foam core is not permitted at any time), Schedule 80 PVC, CPVC, ABS, polypropylene, or UL 1738-listed Category III Stainless Steel. No other vent material is permitted. • Moisture in the flue gas will condense as it leaves the vent terminal. In cold weather this condensate can freeze on the exterior wall, under the eaves, and on surrounding objects. Some discoloration to the exterior of the building is to be expected. However, improper location or installation can result in severe damage to the structure or exterior finish of the building.

FLAMMABLES

Safety

Be sure to inspect the vent terminal, the air intake, and the vent system on the water heater for proper installation at initial start-up and at least annually thereafter. Refer to the “Care and Cleaning” section of this manual for more information regarding vent system inspection.

DANGER

Flammable Vapors

Vapors from flammable liquids will explode and catch fire causing death or severe burns. Do not use or store flammable products such as gasoline, solvents or adhesives in the same room or area near the water heater. Keep flammable products: 1. far away from heater, 2. in approved containers, 3. tightly closed and 4. out of children's reach. Installation: Do not install water heater where flammable products will be stored or used unless the main burner flame is at least

Water heater has a main burner flame. The main burner flame: 1. which can come on at any time and 2. will ignite flammable vapors. Vapors: 1. cannot be seen, 2. are heavier than air, 3. go a long way on the floor and 4. can be carried from other rooms to the main burner flame by air currents. 18" above the floor. This will reduce, but not eliminate, the risk of vapors being ignited by the main burner flame.

Read and follow water heater warnings and instructions. If owners manual is missing, contact the retailer or manufacturer.

•F  or multiple-unit installation, a minimum distance between vent terminations must be maintained to prevent recirculation of vent gases. See page 39 for information on venting and clearances to multiple terminations.

CAUTIONS:

•E  nsure that the appliance vent is securely glued and attached to the vent connection on the top of the water heater. DO NOT USE SCREWS. • Do not operate without the condensate drain connected and routed to the proper drain.

3

IMPORTANT SAFETY INFORMATION Water Supply Safety

DANGERS:

DANGER

CAUTIONS:

Safety

• This water heater must only be used ! •W  ATER TEMPERATURE with the following water supply system SETTINGS – Safety and energy conditions: conservation are factors to be – With clean, potable water free of considered when selecting the corrosive chemicals, sand, dirt, or water temperature setting of a other contaminants. water heater’s remote control. – With inlet water temperatures above Water temperatures above 125°F 32°F (0°C), but not exceeding 120°F (52°C) can cause death or severe HOT (49°C). burns from scalding. Be sure to read and follow the warnings – DO NOT reverse the hot and cold outlined on the pictured label. water connections. The water heater • There is a hot water scald potential will not operate. if the water temperature is set • Even when drained properly, a small BURN too high. Households with small amount of water will remain in the water children, the disabled, or elderly heater. In cold weather conditions, this persons may require a 120°F water can freeze. If this happens, allow the Water temperature over 125°F (52°C) can cause severe burns instantly or (49°C) or lower temperature setting defrost protection on the heater at least death from scalds. to prevent contact with “HOT” 30 minutes to melt the frozen water or the Children, disabled and elderly are water. water heater may not work properly. at highest risk of being scalded. • Before manually operating the relief The factory setting See instruction manual before valve, make certain no one will be setting temperature at water allows operating temperatures between exposed to the danger of the hot heater. 100°F (38°C) and 120°F (49°C). water released by the valve. The Feel water before bathing or Temperatures of 85°F (29°C) and up water may be hot enough to create showering. to 140°F (60°C) can be achieved with a scald hazard. The water should Temperature limiting valves are the MAIN (UMC-117) remote control. be released into a suitable drain to available, see manual. Temperatures of 85°F (29°C) can be prevent injury or property damage. achieved with the Bath (USC-117 or • Failure to perform the recomUSC2-117) remote control. Only qualified • mended Routine Preventive Maintenance can harm service personnel should perform this the proper operation of this water heater, which can adjustment. Only factory-authorized cause carbon monoxide dangers, excessive hot remote control(s) should be used. water temperatures, and other potentially hazardous conditions. Time/Temperature

NOTICE:

WARNINGS:

• IMPORTANT: Do not apply heat to the HOT or COLD water connections. If sweat connections are used, sweat tubing to adapter before fitting adapter to the water connections on heater. Any heat applied to the water supply fittings will permanently damage the internal components of the water heater. • In case the pipe insulation is not rated for the appropriate weather conditions, install electric heat tracing or equivalent to prevent freezing of the pipes. Do not insulate or block the drain valve on the hot outlet fitting. If the pipes are allowed to freeze, the water heater and the pipes may malfunction or leak due to freezing water. • Failure to drain the water heater as described on page 20 can cause serious personal injuries from scalding and/or damage the water heater.

4

Relationship in Scalds

Water Temperature

120°F 125°F 130°F 135°F 140°F 145°F 150°F 155°F

(49°C) (52°C) (54°C) (57°C) (60°C) (63°C) (66°C) (68°C)

Time to Produce a Serious Burn More than 5 minutes 1 1/2 to 2 minutes About 30 seconds About 10 seconds Less than 5 seconds Less than 3 seconds About 1 1/2 seconds About 1 second

Table courtesy of Shriners Burn Institute

Temperature Conversion Chart °F/°C 85 100 102 104 106 108 110 112 114 116 118 120 125 130 140 °F 29 38 39 40 41 42 43 44 46 47 48 49 52 54 60 °C

IMPORTANT SAFETY INFORMATION Natural Gas and Liquefied Petroleum Safety

WARNINGS:

Safety

DANGERS: •N  ever attempt to convert the water heater from natural gas to LP. The water heater should only use the fuel type in accordance with listing on data plate—natural gas for natural gas units and LP for LP units. Any other fuel usage will result in death or serious personal injury from fire and/or explosion. This water heater is not certified for any other fuel type. • Both natural gas and propane (LP) have an odorant added to aid in detecting a gas leak. Some people may not physically be able to smell or recognize this odorant. If you are unsure or unfamiliar with the smell of natural gas or LP, ask the gas supplier. Other conditions, such as “odorant fade,” which causes the odorant to diminish in intensity, can also hide or camouflage a gas leak. • Water heaters using LP gas are different from natural gas models. A natural gas water heater will not function safely on LP and vice versa. • LP water heaters should not be installed below grade (for example, in a basement) if such installation is prohibited by federal, state, and/or local laws, rules, regulations, or customs. • LP must be used with great caution. It is heavier than air and will collect first in lower areas, making it hard to detect at nose level. • Before attempting to light the water heater, make sure to look and smell for gas leaks. Use a soapy solution to check all gas fittings and connections. Bubbling at a connection indicates a leak that must be corrected. When smelling to detect a gas leak, be sure to also sniff near the floor. • Gas detectors are recommended in LP and natural gas applications and their installation should be in accordance with the detector manufacturer’s recommendations and/or local laws, rules, regulations, or customs. • Combustible materials, such as clothing, cleaning materials, or flammable liquids, must not be placed in the vicinity of the water heater.

•T  he installation of gas piping must conform to local utility company requirements and/or in the absence of local codes, use the latest edition of National Fuel Gas Code (NFGC), ANSI Z223.1/NFPA 54, or CSA B149.1, Natural Gas and Propane Installation Code. • Install a gas pressure regulator in the gas supply line. The regulator should not exceed the maximum supply pressure. DO NOT use an industrial-type gas regulator. • Should overheating occur or the gas supply fail to shut off, turn off the manual gas control valve to the water heater.

CAUTIONS:

•D  o not attempt repair of electrical wiring, gas piping, remote control, burners, vent connectors, or other safety devices. Refer repairs to qualified service personnel. • Turn off the manual gas shut-off valve if the water heater has been subjected to overheating, fire, flood, physical damage, or if the gas supply fails to shut off. • Do not turn on the water heater unless the water and gas supplies are completely opened.

• If a gas leak is present or suspected: – Do not attempt to find the cause yourself. – Never use an open flame to test for gas leaks. The gas can ignite resulting in death, personal injury, or property damage. – Follow the steps listed under “What to Do If You Smell Gas” found on the front cover of this manual.

5

IMPORTANT SAFETY INFORMATION Safety

Before operating this water heater, be sure to read and follow the instructions on the label pictured below and all other labels on the water heater, as well as the warnings printed in this manual. Failure to do so can result in unsafe operation of the water heater, resulting in death, personal injury, or property damage. Should you have any problems reading or following the instructions in this manual, STOP and get help from a qualified service technician.

FOR YOUR SAFETY READ BEFORE OPERATING WARNING : If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life.

OPERATING INSTRUCTIONS

1.STOP! Read the safety information above on this label. GAS SHUTOFF 2.Turn off all electric power to the appliance. VALVE 3.Do not attempt to light the burner by hand. 4.Turn the Gas Shutoff Valve located on the outside of the unit OPEN CLOSE clockwise to the "OFF" position. 5.Wait five (5) minutes to clear out any gas. If you then smell gas, STOP! Follow "B" in the safety information above on this label. If you don't smell gas, go to the next step. 6.Turn the Gas Shutoff Valve located on the outside of the unit counterclockwise to the "ON" position. 7.Turn on all electric power to the appliance. 8.If the appliance will not operate, follow the instructions "To Turn Off Gas To Appliance" and call your service technician or gas supplier.

TO TURN OFF GAS TO APPLIANCE

1.Turn off all electric power to the appliance if service is to be performed. 2.Turn the Gas Shutoff Valve located on the outside of the unit clockwise to the "OFF" position.

6

IMPORTANT SAFETY INFORMATION Electrical Safety

WARNINGS:

•F  or your safety, the information in this manual must be followed to minimize the risk of fire, explosion, or electric shock that can result in death, personal injury, and/or property damage. • Field wiring connections and electrical grounding must comply with local codes or, in the absence of local codes, with the latest edition of the National Electrical Code, ANSI/NFPA 70, or in Canada, Canadian Electrical Code, CSA C22.1, Part 1.

CAUTIONS:

Safety

DANGER:

Shock Hazard – Make sure the electrical power to the water heater is off to avoid electric shock that will result in death or serious personal injury.

•L  abel all wires prior to disconnecting for service. Wiring errors can cause dangerous and improper operation. Verify correct operation after servicing. • For your safety, burner inspection and cleaning should be performed only by qualified service personnel. • Make certain the power to the water heater is OFF before removing the unit cover panel. Exposed electrical components and moving parts can cause personal injuries. • For your safety, DO NOT attempt repair of electrical wiring, gas piping, remote control, burners, vent connectors, or other safety devices. Refer repairs to qualified service personnel.

FOR INSTALLATIONS IN THE STATE OF CALIFORNIA California law requires that water heaters must be braced, anchored, or strapped to resist falling or horizontal displacement due to earthquake motions. For water heaters up to 52-gallon capacity, a brochure with generic earthquake bracing instructions can be obtained from: Office of the State Architect, 1102 Q Street, Suite 5100, Sacramento, CA 95814, or you may call 916-445-8100 or ask a water heater dealer.

However, applicable local codes shall govern installation. For residential water heaters of a capacity greater than 52 gallons or tankless-style, consult the local building jurisdiction code for acceptable bracing procedures.

7

IMPORTANT SAFETY INFORMATION General Installation and Maintenance Safety Safety

WARNINGS:

Product Information

•T  his water heater must be installed in accordance with these instructions, local codes, utility company requirements and/or in the absence of local codes, use the latest edition of the American National Standard/National Fuel Gas Code (NFGC), ANSI Z223.1 and National Fire Protection Association, NFPA 54, or in Canada, CSA B149.1, Natural Gas and Propane Installation Code, and the latest edition of the National Electrical Code, ANSI/NFPA 70, or in Canada, Canadian Electrical Code, CSA C22.1, Part 1. • If local codes require the application of external insulation blanket kits, carefully follow the manufacturer’s installation instructions included with the kit. Only use blanket kits that are approved for use with your water heater. • For your safety, DO NOT attempt to disassemble this water heater for any reason. Improper adjustments, alterations, service, or maintenance can cause death, personal injury, or property damage.

PRODUCT INFORMATION

SAFETY PRECAUTIONS: •R  ead this manual entirely before installing and/or operating the water heater. • Use this water heater only for its intended purpose as described in this Use and Care Manual. • Have the installer show you the location of the gas shut-off valve and how to shut it off if necessary. Turn off the manual shut-off valve if the water heater has been subjected to overheating, fire, flood, physical damage, or if the gas supply fails to shut off. • Be sure your water heater is properly installed in accordance with local codes and the provided installation instructions. • Do not attempt to repair or replace any part of your water heater unless it is specifically recommended in this manual. All other servicing should be referred to a qualified service technician.

SAVE THESE INSTRUCTIONS Read This Manual

For Your Records

Inside you will find many helpful hints on how to use and maintain your water heater properly. A little preventive care on your part can save you time and money over the life of your water heater.

Write down and save the following product information along with the original sales slip and/or cancelled check. The model and serial numbers can be found on the top label on the right side of the water heater.

You’ll find many answers to common problems in the Troubleshooting Chart on pages 23 and 24. Always refer to this chart before calling for service. Referring to this chart before calling may answer your question(s) and eliminate the need for service.

MODEL NUMBER:

Preoperating Checklist

SERIAL NUMBER: DATE OF INSTALLATION: INSTALLING COMPANY/PHONE NUMBER:

Is the main gas valve to the water heater turned on? Does the water heater have its own circuit breaker or fuse? Does the water heater’s electronic ignition light? Is the water temperature set to a safe temperature?

PLUMBING CONTRACTOR/PHONE NUMBER:

Is the water heater connected to a floor drain? Is the water heater properly vented to the outside?

See page 26 for additional service information.

8

Is the water heater installed in a safe location away from flammable materials and/or freezing conditions?

PRODUCT INFORMATION Specifications – Direct-Vent Models 5/" (140 mm) 1 2

3 3/8" (86 mm)

17 7/8" (454 mm)

6 1/4" (159 mm)

Product Information

18 5/8" (473 mm) 30 3/8" (772 mm)

27 5/8" (702 mm)

2 1/4" (59 mm)

5 1/2" (140 mm) 41/8" 3 7/8" (105 mm) 2 7/8" (98 mm) (73 mm)

9 3/4" (248 mm)

11/2" (38 mm) 9 1/2" (241 mm)

2 1/8" (54 mm)

6 1/8" (156 mm)

Specifications – Outdoor Models 17 7 /8" (454 mm)

18 5 /8" (473 mm) 27 5 /8" (702 mm)

2 1 /4 " (59 mm)

5 1 /2 " (140 mm) 4 1 /8 " 3 7 /8" (105 mm) 2 7 /8" (98 mm) (73 mm)

2 1 /8" (54 mm)

9 3 /4 " (248 mm)

1 1/2" (38 mm) 9 1 /2 " (241 mm)

6 1/8" (156 mm)

9

PRODUCT INFORMATION Specifications MANUFACTURER

157k BTU MODELS

RTGH-95DV* and RTGH-95X* RTGH-84DV* and RTGH-84X* ECOH200DV* and ECOH200X* ECOH160DV* and ECOH160X* PHH-32RDV* and PHH-32ROF* PHH-25RDV* and PHH-25ROF* RUTGH-84DV* and RUTGH-84X* RUTGH-95DV* and RUTGH-95X* RMTGH84DV* and RMTGH84X* RMTGH95DV* and RMTGH95X*

Rheem EcoSense Paloma/Wai Wela Ruud Richmond

Product Information

199.9k BTU MODELS

Appliance Type

Indoor (DV) & Outdoor (X)

Indoor (DV) & Outdoor (X)

Electrical Rating

120V/60Hz

120V/60Hz

Type of Gas*

NG

LP

NG

LP

Inlet Gas Pressure Max. (in. of w.c.)

10.5

13.0

10.5

13.0

Inlet Gas Pressure Min. (in. of w.c.)

4.0

8.0

4.0

8.0

Manifold Pressure (in. of w.c. at max. input)

2.5 Indoor 2.6 Outdoor

3.1

3.9 Indoor 4.2 Outdoor

4.6 Indoor 4.7 Outdoor

Maximum Water Supply Pressure (psi)

150

150

Maximum Input Rate (btu/hr)

157,000

199,900

Minimum Input Rate (btu/hr)

11,000

11,000

Recover Rating (gal/hr)

178

226

Shipping Weight (lbs)

81

81

Minimum Activation Flow Rate (gpm)

0.40

0.40

Extinction Flow Rate (gpm)

0.25

0.25

Hot Water Capacity (gpm @ 35°F rise)

8.5

9.5

Hot Water Capacity (77°F rise)

3.9

4.9

Default Temperature Setting (no controller)

120

120

Temperature Default Setting

100

100

Minimum Temperature Setting (°F)

85

85

Efficiency Rating (Energy Factor)

0.94

0.94

100 W

100 W

Electrical Consumption Normal Standby

3–5 W

3–5 W

Antifreeze Protection

200 W

200 W

Vent Size (Indoor Only)

2" or 3"

2" or 3"

Water Connections

3/4" NPT

3/4" NPT

Gas Connection

3/4" NPT

3/4" NPT

Water Supply Pressure

14-150 PSI

14-150 PSI

High Altitude (up to 10,000 ft.)

Yes

Yes

Multiple-Unit Installation

Yes

Yes

Safety Devices

Overheat Film Wrap, Flame Rod, Water Temperature High-Limit Switch, Flue Temperature High-Limit Switch

Accessories

Remote Control, Service Valves, Vent Kits, Pipe Cover, EZ Link, MIC-6, MIC-185, Recess Box**

*N or NG = natural gas and P or LP = liquefied petroleum ** = Outdoor Only

10

PRODUCT INFORMATION General Descriptions Typical Direct-Vent Water Heater (Venting Required)

Product Information

Remote Control With Power Switch

Water Filter

Power Supply Cord

Manual Gas Shut-Off Valve

Service Valve

To Hot Water Faucet(s) Union

Manual Gas Supply Line Shut-Off Valve

Relief Valve Union

Condensate Pipe* Sediment Trap

Cap

Drain Valve To Suitable Drain

Cold Water Supply Shut-Off Valve

To Suitable Drain *Note: A flexible drain tube can be used

11

PRODUCT INFORMATION Typical Outdoor Water Heater (No Venting Required) This water heater is for OUTDOOR installation only.

DANGER:

DO NOT install this water heater indoors or in an enclosure. It is designed for outdoor installation only. Any other type of installation will result in death or serious personal injury.

Product Information

Flue Terminal

Remote Control With Power Switch

Hard-Wire Air Inlet

Water Filter

Power Supply Cord (not supplied) Service Valve

To Hot Water Faucet(s) Union

Manual Gas Shut-Off Valve

Relief Valve Union

Condensate Pipe* Sediment Trap

Cap

Drain Valve To Suitable Drain

Cold Water Supply Shut-Off Valve

To Suitable Drain *Note: A flexible drain tube can be used

12

Manual Gas Supply Line Shut-Off Valve

USING YOUR WATER HEATER Safety Precautions WARNING: Flammable vapors can

be drawn by air currents from surrounding areas to the water heater. Vapors can ignite causing death, personal injury, or product damage. •D  O NOT store or use flammable or combustible materials (gasoline, paint thinner, adhesives, newspapers, rags, mops, etc.) in the vicinity of the water heater or any other gas appliance. If they must be used, open doors and windows for ventilation, and shut off all gas-burning appliances, including their pilot lights.

•D  O turn off manual gas shut-off valve if water heater has been subjected to overheating, fire, flood, physical damage, or if the gas supply fails to shut off. •D  O NOT turn on water heater unless water and gas supplies are completely opened. •D  O NOT turn on water heater if cold water supply shut-off valve is closed. • If there is any difficulty in understanding or following the operating and care instructions in this manual, it is recommended that you contact a qualified service technician to perform the work.

Setting the Water Temperature !

DANGER

Use Instructions

DANGER:

Water temperatures above 125°F (52°C) will result in death and/or severe burns from scalding. Safety and energy conservation are factors to be considered when selecting the water temperature setting. The temperature of the water in the water heater can be regulated by setting the temperature on the front of the remote control. Be sure to read and follow the warnings outlined on the pictured label. The recommended setting for the water temperature is 100°F (38°C). The remote control has been preset and shipped at the recommended temperature setting. Safety factors should be considered whenever altering the water temperature setting. The chart below may be used as a guide in determining the proper water temperature for your home.

Time/Temperature Relationship in Scalds Water Temperature

120°F 125°F 130°F 135°F 140°F 145°F 150°F 155°F

Time to Produce a Serious Burn

(49°C) (52°C) (54°C) (57°C) (60°C) (63°C) (66°C) (68°C)

More than 5 minutes 1 1/2 to 2 minutes About 30 seconds About 10 seconds Less than 5 seconds Less than 3 seconds About 1 1/2 seconds About 1 second

HOT

BURN Water temperature over 125°F (52°C) can cause severe burns instantly or death from scalds.

Children, disabled and elderly are at highest risk of being scalded. See instruction manual before setting temperature at water heater. Feel water before bathing or showering. Temperature limiting valves are available, see manual.

Table courtesy of Shriners Burn Institute

13

USING YOUR WATER HEATER Setting the Water Temperature (cont.) Maximum water temperature occurs while the water heater burner is on. To determine the water temperature:

Turn on the hot water faucet and place a thermometer in the water stream.

NOTICE:

Water temperature at the faucet may vary depending on the season and the length of pipe from the water heater.

Use Instructions

The remote control temperature range is between 100°F (38°C) and 120°F (49°C). To adjust the temperature to a desired setting, press the UP or DOWN adjustment button on the face of the remote control. The new temperature set point will show on the LED display. In-Use Indicator (Lit during operation)

Priority Indicator

Temperature Adjustment Buttons

LED Temperature and Error Code Display

14

Power On/Off Button and Indicator

NOTICES:

•T  he temperature set point on the standard remote control cannot be increased above 112°F (44°C) when a hot water faucet is in the open position. To achieve temperatures above 120°F (49°C) or 85°F (29°C), contact a qualified service technician. Only factory-authorized remote control(s) should be used. • The water heater may not operate with a small water flow. Increase the water flow and recheck. If it still does not operate with the hot water faucet completely open, increase the temperature setting on the remote control.

Water Heater Facts

DANGER:

Water temperatures above 125°F (52°C) will result in death and/or severe burns from scalding. • The hottest-temperature water will be at the faucet closest to the water heater. • Always remember to test the water temperature with your hand before use. • Always supervise young children or others who are incapacitated. • The water heater is equipped with a device that will shut off the gas supply to the burner if the water heater exceeds normal operating temperatures. • Any water heater that has been subjected to fire, flood, physical damage, or been under water should be turned off at the manual gas shut-off valve and not used until it has been checked by qualified service personnel.

CARING FOR YOUR WATER HEATER Water Heater Inspections Venting System (Direct Vent Only) The venting system should be inspected annually to ensure all of the vent sections are secure and airtight. Qualified service personnel are familiar with vent system inspections.

WARNING:

Do not operate the water heater if the vent system shows signs of leaking exhaust. Leaking exhaust could lead to death, personal injury, and/or product failure.

Condensate Collector

CAUTIONS:

•C  ondensate is known to be acidic; refer to federal, state (provincial), and local codes for proper handling and discharge methods. •D  o not operate without the condensate collector drain connected and routed to the proper drain. This could cause the system to malfunction or fail.

Outdoor models



For outdoor models, check the air intake and vent outlet for blockage and/or debris.

Condensate Drain

DANGER:

Shock Hazard – Make sure the electrical power to the water heater is off to avoid electric shock that will result in death or serious personal injury. Periodically check the medium visually to ensure that it is not depleted and refill accordingly. It is recommended that you contact a qualified service technician to perform the work.

15

Care Instructions

On a regular basis, inspect the condensate drain line to ensure the condensate is draining properly. The condensate coming from the water heater is known to be acidic. The heater features a built-in condensate neutralizer that uses CaCO3 (calcium carbonate) in rock form as a medium.

CARING FOR YOUR WATER HEATER Water Heater Inspections (cont.) Burner

Visually inspect the main burner annually.

DANGER:

Shock Hazard – Removing the front cover panel exposes you to live electricity. Electric shock will cause death or serious personal injury.

Burner Sight Glass

3 While the water heater is operating, inspect the main burner flames through the burner sight glass. The flames should be blue when the main burner is firing.

1

NOTICE:

If the flames are not blue or you observe unusual burner operation, shut off the water heater and contact a qualified service technician.

Remove 6 screws and the unit cover panel.

2 Turn on a hot water faucet.

4

Care Instructions

Turn off the hot water faucet and reinstall the unit cover panel.

16

CARING FOR YOUR WATER HEATER Care and Cleaning DANGER:

Shock Hazard – Make certain power to the water heater is OFF before removing protective cover for any reason. Electric shock will cause death or serious personal injury.

WARNING:

Combustible materials, s uch as clothing, cleaning materials, or flammable liquids, must not be placed against or next to the water heater. Fire or explosion can occur causing death, personal injury, and/or product damage. All care and cleaning to and around the water heater should only be performed with the water heater turned off and the electrical power supply disconnected.

NOTICE:

The air intake requires a minimum of 12 in. (30 cm) of clearance between the air intake opening and any obstruction. Clean the water filter monthly, as described below.

Water Filter Cleaning

1 Turn off the water heater and disconnect the electrical power supply.

1 Vacuum around the water heater to remove any dust, dirt, and/or lint buildup.

Cold Water Supply Shut-Off Valve

2 Turn off the water supply to the water heater.

Care Instructions

2

Drain Valve

C  lean the water heater and the remote control with a damp soft cloth and mild detergent. Gently wipe and completely dry all surfaces.

3 Drain the water heater. See page 20.

Outdoor models

3 C  heck the air intake and vent outlet for blockage and/or debris.

17

CARING FOR YOUR WATER HEATER Care and Cleaning (cont.)

CAUTION:

Do not tap or force the filter during removal. This can deform and/or damage the filter.

4 Unscrew the water filter from the base of the cold water inlet line and carefully slide it out of the line.

5

Care Instructions

Clean the water filter under running water. To remove severe sediment and dirt, use a soft brush.

18



CAUTION:

Do not overtighten the water filter. Overtightening can deform and/or damage the filter.

6 Replace the filter in the cold water inlet line and tighten until it is snug.

7 Turn on the water supply, reconnect the electrical supply, and turn on the water heater.

CARING FOR YOUR WATER HEATER Preventive Maintenance WARNING:

Failure to perform routine preventive maintenance can prevent the water heater from operating properly. Improper operation can cause carbon monoxide dangers, excessive water temperatures, and other potentially hazardous conditions resulting in death, personal injury, and/or product damage.

NOTICE:

 If the pressure relief valve on the hot water heater discharges periodically, this may indicate a problem in the water system. Contact the water supplier or a plumbing contractor to correct the problem. DO NOT plug the relief valve outlet.

Properly maintaining your water heater will ensure dependable, trouble-free service.

User Preventive Maintenance Establish and follow a routine preventive maintenance program. The following suggested items should be included in your program.

•M  onthly check and clean the water filter. See “Water Filter Cleaning” on page 17.

WARNING:

Relief Valve

•A  nnually check the operation of the pressurerelief valve. Lifting the lever handle on the pressure-relief valve opens the valve to flush hot water through the discharge line to the drain. After several gallons have drained, release the lever handle to close the valve and stop draining.

NOTICES:

 – DO NOT operate the water heater if you feel something is wrong with the unit. – DO NOT allow children to operate or handle the unit. • After inspections, maintenance, and/or cleaning, ensure proper operation by turning on a hot water faucet.

Professional Preventive Maintenance It is recommended that a periodic inspection of the water heater burner, relief valve, air intake filter, water filter, and venting system be made by a qualified service technician.

19

Care Instructions

 Hot water is released during manual operation of the relief valve. Make sure all people and animals are clear from the area before performing this check to prevent death, personal injury, and/or property damage from hot drain water.

• Inspect and keep the area around the water heater clear and free of flammable materials, such as gasoline and other flammable vapors and liquids. • Visually inspect the water heater for damage and/or denting. If present, contact a service personnel to verify proper operation. • Check for abnormal sound during normal operation (e.g., hissing or banging noises). Contact a qualified service technician or plumbing contractor. • Check all gas and water pipes for leaks. See page 55.

CARING FOR YOUR WATER HEATER Draining the Water Heater WARNING: Failure to follow these



draining instructions can cause serious personal injury from scalding and/or product damage.

Cold Water Supply Shut-Off Valve

5 Close the water shut-off valve.

1 Turn off the water heater by pressing the POWER ON/OFF button on the control panel.

6

2

Using a suitable container to catch the water, remove the water filter from the base of the cold water inlet line.

Close the gas shut-off valve(s).

Care Instructions

7 3 At least 10 seconds after Step 1, unplug the water heater or disconnect the power supply at the circuit breaker box.

4 Open all hot water faucets. Run the water until it is COLD; then shut off the faucet.

20

Connect a garden hose to the drain valve in the hot water outlet line and place the other end in a suitable drain. Open the drain valve until all the water has drained from the water heater. Leave water heater as is until placed back in service.

CARING FOR YOUR WATER HEATER CAUTION:

Even when drained properly, a small amount of water will remain in the water heater. In cold weather conditions, this water can freeze. If this happens, allow the defrost protection on the water heater at least 30 minutes to melt the frozen water. The water heater will not work properly until this water is thawed. To put the water heater back in service:

4 Open all hot water faucets and let run until all air has been purged from the lines.

1 Disconnect drain hose. Make sure the drain valve is closed.

5 Plug in the power cord or reconnect the power supply at the circuit breaker box.

2 Reinstall the water filter in the base of the cold water inlet line.

6 Open the gas shut-off valve(s).

Care Instructions

3 Open the water shut-off valve.

7 Press the POWER ON/OFF button on the control panel to restart the unit.

21

CARING FOR YOUR WATER HEATER Draining the Water Heater (cont.) Standard Drain Method Service isolator valve kits may be purchased from the manufacturer, distributor, or place of purchase. The kits include two full-port isolation valves to be used in the inlet and outlet water lines. These kits provide a means for full diagnostic testing and ease of system flushing.

Hot Water Service Valve Pressure Relief Valve

Cold Water Service Valve Water Water Inlet

Water Water Outlet Drain

Freeze Protection WARNING:

Failure to drain the water heater can cause serious personal injury from scalding and/or product damage.

Running Water Freeze Protection

Whenever the water heater may be exposed to freezing conditions, make sure to completely drain the water from the unit. See page 20. Freezing conditions come from the ventilation system on direct-vent models and from exposure to cold air on outdoor models.

Care Instructions

All of these water heaters are equipped with a freeze protection electric heater. This heater prevents freezing inside the water heater down to an ambient temperature of approximately -30°F (-34°C). These temperatures are all based on temperatures without wind.

1 Turn off the water heater by pressing the POWER ON/OFF button on the control panel.

The heater only protects the internal components of the water heater.

NOTICE:

Unplugging or disconnecting the power supply to the water heater will also disconnect the power to the heater. External piping and valves require additional freeze protection. One method is to wrap insulation around the piping and valves.

2 Close the gas shut-off valve(s).

Another method is to turn on a hot water faucet and leave a small amount of water running at a faucet. This will protect the water heater, piping, and valves from freezing.

3 Open a hot water faucet slightly until the water stream is approximately 1/8 in. (0.3 cm). Be sure to check the flow periodically.

22

CARING FOR YOUR WATER HEATER Vacation and Extended Shutdown WARNING: Failure to drain the

water heater can cause serious personal injury from scalding and/or product damage. If the water heater is to remain idle for an extended period of time, the power and water to the heater should be turned off.

The water heater and piping should be drained if they might be subjected to freezing temperatures. See “Freeze Protection” section on page 22. After an extended shutdown, the water heater’s operation and controls should be checked by a qualified service technician.

Troubleshooting Chart The information in the following troubleshooting chart may help you diagnose and/or fix a problem you may be experiencing. Please review this chart before calling for service assistance.

DANGER:

Shock Hazard – Make certain power to the water heater is OFF before removing protective cover for any reason. Electric shock will cause death or serious personal injury.

Problem Not enough or no hot water.

WARNING:

For Your Safety, DO NOT attempt repair of electrical wiring, gas piping remote control, burners, vent connectors, or other safety devices. Refer repairs to a qualified service technician.

Possible Cause

Solution

1. Unit is not ON.

1. Turn on the unit by pressing the

2. Water shut-off valve is not completely

2. Check shut-off valve and open

3. Hot water faucet is not completely

3. Open hot water faucet completely.

4. Water piping is frozen.

4. Allow piping to thaw.

opened.

opened.

water supply is shut off.

completely.

(The main burner goes off when incoming water volume is inadequate.)

5a. Plug in the power cord or reconnect 5b.

the power supply at the circuit breaker box. Completely open the water supply valve. (Inadequate water volume will cause the main burner to turn off.)

6. The temperature may be set too low.

6. Increase the temperature setting.

7. Mixing valve malfunctions (if

7. Check and replace the mixing valve.

8. Error code displayed on the remote

8. See “Service Error Code Chart” on

9. Not enough water demand.

9. Increase the hot water flow at the

10. Water filter is clogged or dirty.

10. Clean the water filter. (See page 17.)

11. Fixture aerator is clogged or dirty.

11. Clean the aerator.

12. Scale buildup in the heat exchanger.

12. Check for error code. If required,

13. Hot and cold water lines reversed.

13. Reverse the water lines.

applicable). control.

page 26. If required, contact a qualified service technician. faucet.

contact a qualified service technician.

23

Care Instructions

5. Electrical power is disconnected or

POWER ON/OFF button.

CARING FOR YOUR WATER HEATER Troubleshooting Chart (cont.) Problem Water not hot enough.

Possible Cause

Solution

1. The temperature may be set too low.

1. Increase the temperature setting at

2. The gas valve is not completely

2. Check and completely open the gas

3. Gas supply pressure is low.

3. Contact your gas utility company or

4. Bleed-over in one of the hot water

4. Contact a dealer or a qualified service

1. Temperature is set too high.

1. Decrease the temperature setting at

2. Water shut-off valve is not completely

2. Check and completely open the water

3. Small amount of water has been

3. Increase the hot water flow at the

The post-purge cycle clears flue gases.

Normal operation.

the remote control.

1

opened.

2

fixtures.

Water too hot.

valve.

gas contractor to verify the gas meter and gas piping size.

technician.

the remote control.

1

opened.

shut-off valve.

3

Care Instructions

heated.

faucet to allow more water to flow through the water heater.

2

Fan continues to rotate after the hot water faucet is closed.

24

CARING FOR YOUR WATER HEATER Service Error Code Chart Your water heater has an electronic diagnostic system built into it. When the water heater finds a problem, it displays an error code in the LED display on the remote control. The following chart lists the error codes along with their possible problem and solution. Using this chart may help you diagnose and/or fix a problem you may be experiencing. Please refer to this chart before calling for service assistance.

DANGER: Shock Hazard – Make

3

certain power to the water heater is OFF before removing protective cover for any reason. Electric shock will cause death or serious personal injury.

Wait about 5 minutes; then restart the water heater by pressing the POWER ON/OFF button.

WARNING:

For Your Safety, DO NOT attempt repair of electrical wiring, gas piping, remote control, burners, vent connectors, or other safety devices. Refer repairs to a qualified service technician. When an error code is displayed:

4

Turn on a hot water faucet and recheck the remote control display.

If the error code remains in the display: 1. Turn off the hot water faucet.

1 Turn off all the hot water faucets.

faucet, and recheck the remote control display.

If the error code is still shown: 1. Turn off the hot water faucet.

2. Turn off the water heater. 3. Make note of the displayed error code and call

for service assistance. See “Call for Assistance” section on page 26.

2

Turn off the water heater by pressing the POWER ON/OFF button on the remote control.

NOTICE:

If the displayed error code is not listed in the chart, immediately turn off the water heater and call for service assistance.

25

Care Instructions



2. Turn off the water heater. 3. Follow the error code chart information. 4. Restart the water heater, turn on a hot water

CARING FOR YOUR WATER HEATER Service Error Code Chart (cont.) Error Code

Possible Cause

Solution

Water heater has buildup of lime deposits.

Contact a dealer or qualified service technician.

Air intake or vent exhaust opening may be blocked.

Remove any blockage. (Air intake requires 12 in. [30 cm] of clearance.)

The vent pipes on the vent termination may not be connected properly.

Contact a dealer or qualified service technician.

The gas shut-off valve is not fully opened.

Check shut-off valve and open completely.

Gas service has been interrupted.

Contact your gas utility company.

LP gas is running low (LP models only).

Refill or replace your LP gas container.

13

If this code is still displayed after taking the numbered steps above.

Contact a dealer or qualified service technician.

14

Water heater is overheating.

Contact a dealer or qualified service technician.

15

The heat exchanger is too hot.

Check for blockage in the vent. Contact a dealer or qualified service technician.

29

Neutralizer is clogged.

Contact a dealer or qualified service technician.

31

Faulty inlet thermistor.

Contact a dealer or qualified service technician.

33

Faulty outlet thermistor.

Contact a dealer or qualified service technician.

Faulty blower motor.

Contact a dealer or qualified service technician.

Faulty water flow solenoid.

Contact a dealer or qualified service technician.

The neutralizer needs to be replaced soon.

The unit can be used for a while, but contact a dealer or qualified service technician.

The neutralizer must be replaced.

The unit cannot be used until the neutralizer is replaced. Contact a dealer or qualified service technician.

Not enough water flow to operate the unit.

Increase the water flow from the fixtures.

1L 05 11 12

61 or 99 65 92 93

Care Instructions

P1

IF YOU NEED SERVICE Call for Assistance 1. All questions, adjustments, repairs, and/or

Service Information

routine maintenance should be directed to your installer, plumbing contractor, or licensed service agent. If your contacts have moved or are not available, please refer to the telephone directory, commercial listings, or local utility company for qualified service assistance. 2. If your problem has not been solved to your satisfaction, contact the Rheem National Service Department at the following address: Rheem National Service Department 1241 Carwood Court Montgomery, Alabama 36117 Phone: 1-800-432-8373

26

When contacting the manufacturer, the following information will be requested: A. Model and serial number. (See page 8 or the ratings plate on the front of the water heater.) B. Address where the water heater is located. C. Name and address of installation contractors (page 8) and all qualified service companies that have worked on the water heater. D. Original installation date. (See page 8.) E. Dates any service or preventive maintenance was performed. F. Details of the persisting problem. G. List of businesses that have tried to fix this problem, along with dates of service.

Installation

INSTALLATION INSTRUCTIONS FOR THE CONTRACTOR

INSTALLATION INSTRUCTIONS General

Standards Compliance This water heater must be installed in accordance with these instructions, local codes, and utility company requirements. In the United States where local codes are not available, use the latest edition of the American National Standard/National Fuel Gas Code. A copy of the Fuel Gas Code can be purchased from either the American Gas Association, 400

North Capitol Street Northwest, Washington, DC 20001, as ANSI standard Z223.1, or National Fire Protection Association, 1 Batterymarch Park, MA 02269 as NFPA 54. In Canada, use the latest edition of the CSA B149.1 Natural Gas and Propane Installation Code and the Canadian Electrical Code, CSA C22.1, Part 1.

Choosing a Location WARNING:

Fire Hazard – Combustible construction refers to adjacent walls and ceilings and should not be confused with combustible or flammable products and materials. Combustible materials, such as clothing, cleaning materials, or flammable liquids, must not be placed against or next to the water heater. Fire or explosion could occur causing death, personal injury, and/or product damage. A gas-fired water heater should never be installed in a space or room where liquids with flammable vapors are used or stored. Such liquids include gasoline, LP gas (butane or propane), paint, adhesives and their thinners, solvents, or removers. Flammable vapors carry long distances from where they are used or stored. The open flame of the water heater’s main burner can ignite these vapors causing an explosion or fire.

NOTICE:

Elevating a gas-fired water heater will reduce but NOT eliminate the possibility of lighting the vapor of flammable liquids which may be improperly stored or accidentally spilled.

NOTICE:

This water heater should not be located in an area where leakage of the heat exchanger or connections will result in damage to the area adjacent to it or to lower floors of the structures. When such areas cannot be avoided, install a suitable catch pan with an adequate drain under the water heater. This drain pan must not restrict the combustion airflow. The following requirements will ensure a safe installation: • The water heater must be located in an area where it won’t sustain damaged from moving vehicles, flooding, etc. If the water heater is installed in a garage, the direct ignition system and main burner should be no less than 18 in. (45 cm) above the garage floor. • The water heater should be installed as close as possible to the vent exhaust and air intake. This minimizes the vent length and the number of elbows and joints required for venting. • The water heater should be installed with the proper venting and exhaust materials.

0" min. (0 mm) 12" (300 mm)

Exhaust Vent Pipe

Air Intake Pipe 0" min. (0 mm)

28

0" min. (0 mm)

INSTALLATION INSTRUCTIONS 0" min. (0 mm)

12" min. (300 mm)

Sealed

0" (0 mm) 12" min. (300 mm)

•E  very penetration of a floor or ceiling should be sealed. • Failure to install and properly vent the water heater to the outdoors as outlined on pages 33 through 46 can result in unsafe operation.

General

Choosing a Location (cont.)

1/2" min. (13 mm)

12" min. (300 mm)

•M  inimum water heater clearances from combustible and noncombustible construction are as follows: – 1/2 in. (1.3 cm) for sides – 0 in. (0 cm) for rear with support bracket(s) – 12 in. (30 cm) from the bottom, top, and front

•L  ong hot water lines should be insulated to conserve water and energy. • The water heater and water lines should be protected from exposure to freezing temperatures. •D  o not install the water heater outdoors or in bathrooms, bedrooms, or any occupied rooms normally kept closed. •D  o not install the water heater where it is subject to vibrations.

•D  o not install the water heater in a recreational vehicle, mobile home, boat, or other watercraft.

•D  o not install the water heater near vents for heating and cooling. If necessary, maintain a minimum clearance of 4 ft. (1.2 m).

29

INSTALLATION INSTRUCTIONS General

Product Inspection •V  isually inspect the water heater for any possible damage. •C  heck the rating plate on the water heater to make sure the water heater was designed to be used with the supplied type of gas (natural or LP).

•V  erify that all included supplied parts are present as shown.

Water Heater Installation Corrosive Atmosphere

NOTICE:

The water heater should not be installed near an air supply containing halogenated hydrocarbons. Avoid installing a water heater in any of the following locations: beauty shops, dry-cleaning establishments, photo processing labs, and storage areas for liquid and powdered bleaches or swimming pool chemicals. These locations often contain such halogenated hydrocarbons.

30

The air supply containing halogenated hydrocarbons is safe to breathe, but when passed through a gas flame, corrosive elements are released that will shorten the life of any gas-burning appliance. Propellants from common spray cans or gas leaks from A/C and refrigeration equipment are highly corrosive after passing through a flame. The water heater warranty is void when the failure is due to operation in corrosive conditions.

INSTALLATION INSTRUCTIONS General

Water Heater Installation (cont.) NOTICE:

The National Fuel Gas Code (NFGC) and CSA B149.1 mandate a manual gas shut-off valve. See NFGC/B149.1 for complete instructions. Local codes or plumbing authority requirements may vary from the instructions or diagrams provided and take precedence over these instructions.

Typical Installation of Direct-Vent Water Heater (Venting Required) Downward Slope

Wall Plate

91˚ Elbow

Air Intake Pipe

Exhaust Vent Pipe

Downward Slope

Outside Wall

Water Filter Power Supply Cord Service Valve

To Hot Water Faucet(s) Union

Relief Valve

Manual Gas Supply Line Shut-Off Valve Manual Gas Shut-Off Valve Union

Condensate Drain* Drain Valve

Sediment Trap Cap

To Suitable Drain

Cold Water Supply Shut-Off Valve

To Suitable Drain *Note: A flexible drain tube can be used

31

INSTALLATION INSTRUCTIONS General

Water Heater Installation (cont.) WARNING:

Typical Installation of Outdoor Water Heater (No Venting Required)

DO NOT install this water heater indoors or in an enclosure. It is designed for outdoor installation only. Any other type of installation can result in death, personal injury, and/or damage to the product or property.

This water heater is for OUTDOOR installation only.

Flue Terminal

Hard-Wire

Water Filter

Service Valve

To Hot Water Faucet(s) Union

Manual Gas Shut-Off Valve

Relief Valve

Union

Condensate Drain*

Sediment Trap Cap

Drain Valve To Suitable Drain

Cold Water Supply Shut-Off Valve To Suitable Drain

*Note: A flexible drain tube can be used

32

Manual Gas Supply Line Shut-Off Valve

INSTALLATION INSTRUCTIONS Mounting the Water Heater

General

CAUTION:

Reinforcement of the wall is required in case the wall is not strong enough to hold the water heater. Failure to do so could result in personal injury and/or product damage. The mounting location for the water heater should allow for easy access and operation. Always mount the water heater at the wall studs, or into a suitable piece of wood that spans the distance between the wall studs. This piece of wood can be installed inside or outside of the wall. Use wood screws to secure brackets to wall. If mounting to dry wall or concrete wall, use drywall anchors or lag bolts.

3 Using two mounting screws and washers, secure the lower mounting bracket to the wall. Then, secure the upper mounting bracket to the wall with two mounting screws and washers.

1 Make sure the proper electrical outlet or supply (120 VAC/60 Hz) is available and located near the unit. Direct-vent models come with a 6-ft. (1.8-m) power cord, while the outdoor models require hard-wiring or the addition of a plug.

2 Position the upper mounting bracket and partially install the center mounting screw. The clearance between the screw head and the wall should be about 1/8 in. (0.3 cm). Hang the upper bracket on the screw.

NOTICE: The image above may differ in appearance from your water heater.

33

INSTALLATION INSTRUCTIONS Venting for Direct-Vent Water Heater DANGER: Failure to properly vent

Venting

the water heater to the outdoors as outlined in this Venting section will result in death or serious personal injury. To avoid the risk of fire, explosion, or asphyxiation from carbon monoxide, NEVER operate the water heater unless it is properly vented and has adequate air supply for proper operation as outlined in this Venting section.

WARNING:

Refer to page 29 for required clearances to combustible materials. Improper clearances can cause explosion or fire resulting in death, personal injury, and/or product damage.

CAUTIONS:

•C  heck to make sure flue gases do not recirculate into the air intake terminal when using direct venting. If the water heater is having service issues, flue recirculation may be a contributing factor. • Even when the minimum vent terminal separation distances are followed, recirculation may still occur depending upon the location outside the building, the distance from other buildings, proximity to corners, weather conditions, wind patterns, and snow depth. • Periodically check to make sure that flue recirculation is not occurring. Signs of flue gas recirculation include frosted or frozen intake terminals and condensate in the intake terminal and venting system. • Correction to flue recirculation may involve angling the intake away from the exhaust terminal and increasing the distance between them. Check to be sure the intake and exhaust terminals are not obstructed, especially during periods of below-freezing weather.

Venting Requirements The installation of venting must comply with national codes, local codes, and the vent manufacturer’s instructions. The vent exhaust and air intake must be vented outside as described in these instructions. DO NOT vent this water heater through a chimney. It must be vented separately from all other appliances.

NOTICE:

The unit can be vented using only the following recommended pipe material. Use only 2- or 3-inch diameter pipe. Refer to local codes for restrictions on the use of PVC, CPVC, or ABS pipe and fittings. All exhaust venting materials for product installed in Canada must meet ULC-S636.

34

Acceptable materials or equivalent: PVC (Schedule 40, ASTM D-1785) CPVC (Schedule 40, ASTM F-441) ABS (Schedule 40, ASTM D-2661) (Not permitted

in Canada) The fittings, other than the VENT TERMINAL, should be equivalent to the following: PVC (Schedule 40 DWV, ASTM D-2665) CPVC (Schedule 40 DWV, ASTM F-438) ABS (Schedule 40 DWV, ASTM D-2661) (Not permitted in Canada) Polypropylene Category III Stainless Steel DO NOT USE Schedule 20, Cell Core, Drain Pipe, Galvanized, Aluminum, or B-Vent.

Recommended Vent Lengths Before starting the vent installation, careful planning should be given to the routing and termination of the vent pipes. The length of the vent pipes (inlet and outlet) should be kept to a minimum. Also, see pages 37–38 and 44 for vent terminal placement. Refer to the maximum and minimum vent length charts for the pipe sizes that can be used and the total equivalent length of pipe that can be used. Do not exceed equivalent length of pipe in maximum vent length chart.

Maximum Vent Length (intake/outlet): Number of 90° Elbows

Maximum Length of 2" Straight Pipe

Maximum Length of 3" Straight Pipe

0 or 1

5.0 ft. (1.5 m)

38.0 ft. (11.6 m)

2

3.5 ft. (1.0 m)

36.5 ft. (11.1 m)

3

2.0 ft. (0.6 m)

35.0 ft. (10.6 m)

4

Not available

33.5 ft. (10.2 m)

5

Not available

32.0 ft. (9.8 m)

6

Not available

30.5 ft. (9.3 m)

The system will not operate if there is excessive restriction (pressure drop) in the venting system. Use the chart above to calculate the maximum pipe run length with the required number of elbows (e.g., a maximum 38 ft. [12 m] of 3" vent pipe may be used provided there is only one 90° elbow in the system). A 90° elbow is equivalent to 1 ft. 6 in. (0.5 m) of straight pipe. The vent termination does not count as part of the straight pipe equivalent when determining the total vent length.

Minimum Vent Length: Number of 90° Elbows

Minimum Length of 2" Straight Pipe

Minimum Length of 3" Straight Pipe

1

1.0 ft. (0.3 m)

1.0 ft. (0.3 m)

INSTALLATION INSTRUCTIONS NOTICE:

NOTICES: • It is recommended that the air intake and exhaust pipes have a 1/4" per foot downward slope toward the end of the pipes. • Maintain the proper clearance between the vent pipe and combustible or noncombustible materials as described on page 29. • Maintain a 0-in. (0-cm) minimum clearance required between the air intake pipes and combustible material. • Use proper support for the vent and air intake pipes. • Support method used should isolate the vent pipe from floor joists or other structural members. This helps prevent transmission of noise and vibration. • Do not support, pin, or otherwise secure the venting system in a way that restricts the normal thermal expansion and contraction of the chosen venting material. See page 36 for additional requirements for the Commonwealth of Massachusetts.

Stress levels in the pipe and fittings can be significantly increased by improper installation. If rigid pipe clamps are used to hold the pipe in place, or if the pipe cannot move freely through a wall penetration, the pipe may be directly stresses, or high thermal stresses may be formed when the pipe heats up and expands. Install accordingly to minimize such stresses.

Preexisting Venting Notes: If the water heater is being installed as a replacement for an existing water heater, a thorough inspection of the existing venting and air intake system must be performed prior to any installation work. Verify that the correct materials, vent lengths, and terminal locations as described in this manual have been met. Carefully inspect the entire venting and air intake system for any signs of cracks or fractures, particularly at the joints between elbows or other fittings and the straight runs of vent pipe. Check the system for signs of sagging or other stresses in the joints as a result of misalignment of any components in the system. If any of these conditions are found, they must be corrected in accordance with the venting instructions in this manual before completing the installation and putting the water heater into service.

35

Venting

To use 2-inch vent pipe, a reducing adapter or bushing will be required. Depending on the size of pipe that is chosen for venting the water heater, it might be necessary to use a fitting for stepping down in pipe size, to connect to the water heater. All intake and exhaust venting components must have the same diameter size. Do not use a different size on the intake and exhaust venting. The unit may be vented horizontally through a wall or vertically through the roof. Pipe runs must be adequately supported along both vertical and horizontal runs. Maximum unsupported span is recommended to be no more than 4 feet (1.2 m). It is imperative that the first hanger be located on the horizontal runs immediately adjacent to the first 90-degree elbow from the vertical rise. Only use support isolation hanging bands. DO NOT use wire to support pipe runs.

INSTALLATION INSTRUCTIONS Venting for Direct-Vent Water Heater (cont.) In the Commonwealth of Massachusetts

Venting

The Commonwealth of Massachusetts requires compliance with regulation 248 CMR 4.00 and 5.00 for installation of through-the-wall vented gas appliances as follows: 5.08: Modifications to NFPA–54, Chapter 10 (1) Revise NFPA–54 section 10.5.4.2 by adding a second exception as follows: Existing chimneys shall be permitted to have their use continued when a gas conversion burner is installed, and shall be equipped with a manual reset device that will automatically shut off the gas to the burner in the event of a sustained back-draft. (2) Revise 10.8.3 by adding the following additional requirements: (a) For all side-wall, horizontally vented, gas-fueled equipment installed in every dwelling, building, or structure used in whole or part for residential purposes, including those owned or operated by the Commonwealth and where the side-wall exhaust vent termination is less than seven (7) feet above finished grade in the area of the venting, including but not limited to decks and porches, the following requirements shall be satisfied. 1. INSTALLATION OF CARBON MONOXIDE DETECTORS. At the time of installation of the side-wall, horizontally vented, gas-fueled equipment, the installing plumber or gas fitter shall observe that a hard-wired carbon monoxide detector with an alarm and battery backup is installed on the floor level where the gas equipment is to be installed. In addition, the installing plumber or gas fitter shall observe that a batteryoperated or hard-wired carbon monoxide detector with an alarm is installed on each additional level of the dwelling, building, or structure served by the sidewall, horizontally vented, gas-fueled equipment. It shall be the responsibility of the property owner to secure the services of qualified licensed professionals for the installation of hard-wired carbon monoxide detectors. a. In the event that the side-wall, horizontally vented, gas-fueled equipment is installed in a crawl space or an attic, the hard-wired carbon monoxide detector with alarm and battery backup may be installed on the next adjacent floor level. b. In the event that the requirements of this subdivision cannot be met at the time of completion of installation, the owner shall have a period of thirty (30) days to comply with the above requirements, provided, however, that during said thirty (30) day period, a batteryoperated carbon monoxide detector with an alarm shall be installed. 2. APPROVED CARBON MONOXIDE DETECTORS. Each carbon monoxide detector as required in accordance with the above provisions shall comply with NFPA 720 and be ANSI/UL 2034-listed and IAS-certified.

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3. SIGNAGE. A metal or plastic identification plate shall be permanently mounted to the exterior of the building at a minimum height of eight (8) feet above grade directly in line with the exhaust vent terminal for the horizontally vented, gas-fueled heating appliance or equipment. The sign shall read, in print size no less than one-half (1/2) inch in size, “GAS VENT DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS.” 4. INSPECTION. The state or local gas inspector of the side-wall, horizontally vented, gas-fueled equipment shall not approve the installation unless, upon inspection, the inspector observes carbon monoxide detectors and signage installed in accordance with the provisions of 248 CMR 5.08 (2)(a)(1 through 4). (b) EXEMPTIONS: The following equipment is exempt from 248 CMR 5.08 (2)(a)(1 through 4): 1. The equipment listed in Chapter 10 entitled “Equipment Not Required To Be Vented” in the most current edition of NFPA 54 as adopted by the Board, and 2. Product-approved side-wall, horizontally vented, gas-fueled equipment installed in a room or structure separate from the dwelling, building, or structure used in whole or in part for residential purposes. (c) MANUFACTURER REQUIREMENTS – GAS EQUIPMENT VENTING SYSTEM PROVIDED. When the manufacturer of product-approved side-wall, horizontally vented, gas-fueled equipment provides a venting system design or venting system components with the equipment, the instructions provided by the manufacturer for installation of the equipment and the venting system shall include: 1. Detailed instructions for the installation of the venting system design or the venting system components; and 2. A complete parts list for the venting system design or venting system. (d) MANUFACTURER REQUIREMENTS – GAS EQUIPMENT VENTING SYSTEM NOT PROVIDED. When the manufacturer of product-approved sidewall, horizontally vented, gas-fueled equipment does not provide the parts for venting the flue gases, but identifies “special venting systems,” the following requirements shall be satisfied by the manufacturer: 1. The referenced “special venting systems” instructions shall be included with the appliance or equipment installation instructions, and 2. The “special venting systems” shall be productapproved by the Board, and the instructions for that system shall include a parts list and detailed installation instructions. (e) A copy of all installation instructions for all product-approved side-wall, horizontally vented, gas-fueled equipment, all venting instructions, all parts lists for venting instructions, and/or all venting design instructions shall remain with the appliance or equipment at the completion of the installation.

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use and care manual - Paloma Water Heaters Paloma Water Heaters

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