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Indoor and Outdoor Gas
Tankless Water Heater
Indoor Water Heater
Models:
PH-16 (FISN)(FISP)
PH20R-(IFSN)(IFSP)(OFN)(OFP)
PTG2-42(PVN)(PVP)
PTG53-(PVN)(PVP)(XN)(XP)
RTG2-42(PVN)(PVP)
RTG2-53(PVN)(PVP)(XN)(XP)
RUTG2-42(PVN)(PVP)
RUTG-53(PVN)(PVP)(XN)(XP)
RMTG2-42(PVN)(PVP)
RMTG-53(PVN)(PVP)(XN)(XP)
!
WARNING: If the information in these instructions is not followed exactly,
a fire or explosion may result, causing property damage, personal injury or death.
!
FOR YOUR SAFETY!
— Do not store or use gasoline or other
flammable vapors or liquids or other
combustible materials in the vicinity of this
or any other appliance. To do so may result
in an explosion or fire.
— WHAT TO DO IF YOU SMELL GAS
●
Do 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.
Printed in Japan
Use & Care Manual
With Installation Instructions for the Installer
The purpose of this manual is twofold: one, to provide the installer with
the basic directions and recommendations for the proper installation and
adjustment of the water heater; and two, to the owner–operator, to
explain the features, operation, safety precautions, maintenance and
troubleshooting of the water heater. This manual also includes a parts
list.
It is very important that all persons who are expected to install, operate
or adjust this water heater read the instructions carefully so they may
understand how to perform these operations. If you don't understand
these instructions or any terms within it, seek professional assistance.
Any questions regarding the operation, maintenance, service or
warranty of this water heater should be directed to the seller from whom
it was purchased. If additional information is required, refer to the
section on If You Need Service.
Do not destroy this manual. Please read carefully and keep in a safe
Outdoor Water Heater
place for future reference.
!
!
CERTIFIED
R
!
Warning: This water heater is not suitable
for use in manufactured (mobile) homes!
Recognize this symbol as an indication of Important Safety
Information!
California Proposition 65 Warning: This product contains
chemicals known to the State of California to cause cancer, birth
defects or other reproductive harm.
●
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.
— Improper installation, adjustment,
alteration, service or maintenance can cause
property damage, personal injury or death.
Refer to this manual. Installation and service
must be performed by a qualified installer,
service agency or the gas supplier.
®
31-80176-001
1
AP14016-2 (08/07)
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Table of Contents
Related Manuals for Rheem PH-16
Summary of Contents for Rheem PH-16
- Page 1 If You Need Service. Models: Do not destroy this manual. Please read carefully and keep in a safe Outdoor Water Heater PH-16 (FISN)(FISP) place for future reference. PH20R-(IFSN)(IFSP)(OFN)(OFP) PTG2-42(PVN)(PVP) Recognize this symbol as an indication of Important Safety...
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Page 2: Table Of Contents
FOR YOUR RECORDS Safety Information Safety Precautions..3–6 Write the model and serial numbers here: LP Gas Models ... 5 Installation Instructions You can find them on a label on the appliance. Location, Outdoor. - Page 3 IMPORTANT SAFETY INFORMATION. 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 serious bodily injury or death.
- Page 4 IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS BEFORE USING. DANGER! WATER TEMPERATURE SETTING Safety and energy conservation are factors to be considered when selecting the water temperature setting of a water heater’s remote control. Water temperatures above 125°F (52°C) can cause severe burns or death from scalding. Be sure to read and follow the warnings outlined on the label pictured below.
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Page 5: Lp Gas Models
DANGER! NATURAL GAS AND LIQUEFIED PETROLEUM MODELS Both LP and natural gas 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 LP or natural gas, ask the gas supplier. -
Page 6: Safety Precautions
IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS BEFORE USING. WARNING! For your safety, the information in this manual must be followed to minimize the risk of fire or explosion, electric shock, or to prevent property damage, personal injury or loss of life. 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. -
Page 7: Location, Outdoor
Installing the (OUTDOOR) water heater: This 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. A copy 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, Quincy, MA 02269 as NFPA 54. -
Page 8: Location, Indoor
Installing the (INDOOR) water heater : This 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. A copy 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, Quincy, MA 02269 as NFPA 54. - Page 9 Proper operation of the water heater requires air for combustion and ventilation. Provisions for combustion and ventilation air must comply with referenced codes and standards. Combustion and Ventilation Air (Indoor Water Heater Only) NOTICE: If the water heater is installed in Buildings of unusually tight construction an unconfined space within a building of shall have the combustion and ventilation...
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Page 10: Venting
Installing the (INDOOR) water heater: The water heater must be installed with a 3” diameter UL approved Category III Stainless Steel appliance vent pipe and an appropriate adapter. Venting DANGER: Failure to install the appliance vent The installation of venting must comply span should be no more than five (5) feet adapter and properly vent with national codes, local codes and the... - Page 11 Venting Through Closed Spaces If the vent piping passes through a closed space, a minimum clearance of 8” (20 cm) when installed horizontally or 6” (15 cm) when installed 1/4" per foot vertically should be maintained between the vent pipe and combustibles Wall Thimble downward slope and noncombustibles.
- Page 12 Installing the water heater: X A A I I R R S S U U P P P P L L Y Y I I N N L L E E T T A A R R E E A A W W H H E E R R E E T T E E R R M M I I N N A A L L I I S S N N O O T T P P E E R R M M I I T T T T E E D D V V V E E N N T T T T E E R R M M I I N N A A L L Horizontal Vent Terminal Location The following information should be used for determining the proper location of the vent terminal...
- Page 13 Additional Considerations Outdoor Water Heater Do NOT install vent terminal under any patio or deck. To help prevent moisture from freezing on walls and under Caulk eaves, do not locate vent terminal on the side of a building with prevailing winter winds. Rising moisture will collect under eaves To help prevent water lines from freezing, do not locate vent (1.8 m)
- Page 14 Thimble. This assembly may be painted to and/or blocking is required. match the exterior decor. INSTALLATION PROCEDURE: Prepare ● Attach a Rheem approved 3” (7.6 cm) Inner Wall an opening for the Wall Thimble in the wall. Outer Thimble screened, 90° elbow termination to the...
- Page 15 Vertical Vent Installation A fire stop plate should be installed at every Install adequate flashing where the vent pipe Notice: Only Rheem penetration of a floor or ceiling if the vent is passes through the roof. Determine the vent approved termination not running in a fire-rated shaft.
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Page 16: Water Connections
Installing the water heater: Mounting the Water Heater Make sure the location of the appliance allows Using a wood screw and a washer, affix the CAUTION: for easy access and operation. lower bracket to the wall (Left and Right). Reinforcement of the wall is Repeat to affix the top bracket. - Page 17 Water Supply Connections, continued Notice: If the water flow resistance of a Be sure to connect the water inlet and the CAUTION: This water shower head is too high, the burner in the hot water outlet as shown on the water heater must only be used with water heater will fail to ignite.
- Page 18 Installing the water heater: Relief Valve ● A new pressure relief valve, complying The end of the discharge line should not with the Standard for Relief Valves and be threaded or concealed and should be Drain Valve Automatic Gas Shut-Off Devices for Hot protected from freezing.
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Page 19: Gas Supply
WARNING: Do not attempt to convert this water heater for use with a different type of gas other than the type shown on the rating plate. Such conversion could result in hazardous operating conditions. Gas Supply The supplied Manual Gas Appliance Shutoff Do not use excessive force (over 31.5 ft lbs. -
Page 20: Remote Control
Installing the Main Remote Control: WARNING: 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. Remote Control Installation One (1) remote control is provided with the may be subjected to oil and/or steam... - Page 21 WARNING: 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. Remote Control Installation NOTICE: Extension cable Connecting the MAIN (UMC-117 ) remote...
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Page 22: Electrical Connection
Installing the Main Remote Control: WARNING: 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. Electrical Connection POWER CORD HARDWIRING THE ELECTRICAL... -
Page 23: Typical Installation
Installing the water heater: Typical Installation of Water Heater (Venting Required for Indoor Models Only) 1/4" Per Foot Downward Pitch 90° Elbow Vent Adapter Flue Terminal Air Intake Filter Manual Manual Gas Supply Line Gas Supply Line Shut-off To Hot Water Shut-off V a lve To Hot Water... -
Page 24: Pipe Insulation
Installing the water heater: Insulation Blankets Insulation blankets, available to the general The manufacturer disclaims any responsibility WARNING: If local public for external use on gas water heaters, for such loss or injury resulting from the use codes require external are not necessary. -
Page 25: Installation Checklist
Installation Check List E. Gas Supply A. Outdoor Water Heater Location ❑ ❑ Gas type matches rating plate. Outdoor water heaters must be installed outdoors. ❑ ❑ Gas supply pressure is sufficient for the water heater. Protected from freezing temperatures. ❑... -
Page 26: Operating Instructions
Lighting the water heater: 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 property damage, personal injury or death. -
Page 27: Water Temperature
Operating the water heater: Safety Precautions Do turn off manual gas shut-off valve if water heater has Do Not store or use gasoline or other flammable vapors been subjected to overheating, fire, flood, physical and liquids, such as adhesives or paint thinner, in vicinity damage or if the gas supply fails to shut off. - Page 28 Water Temperature Setting… Maximum water temperature occurs while The hottest temperature water will be at the the burner is on. To determine the water hot water faucet closest to the water heater. temperature, turn on a hot water faucet and Always remember to test the water place a thermometer in the water stream.
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Page 29: Care And Cleaning
Care and cleaning of the water heater: Routine Preventative Maintenance DANGER: Before manually operating the Properly maintained, your water heater Inspect the area around the water heater relief valve, make certain will provide years of dependable trouble- to ensure a safe operating environment. no one will be exposed to free service. -
Page 30: Vent Inspection
Housekeeping, continued CLEANING THE AIR INTAKE FILTER CLEANING THE WATER HEATER AND DANGER: DO NOT (Indoor Model Only): REMOTE CONTROL(S): attempt to operate the water ● ● Make sure the unit is OFF and the Make sure the unit is OFF and the heater without the air intake electrical power supply has been electrical power supply has been... -
Page 31: Draining
Care and cleaning of the water heater: Draining the Water Heater Below are instructions for draining water out stream of water to a suitable drain where it of the water heater. will cause no damage. Leave water heater PRIORITY as is until next use. POWER Turn off the switch on the remote control. -
Page 32: Troubleshooting Tips
Before You Call For Service… Troubleshooting Tips Save time and money! Review the charts on the following pages first and you may not need to call for service. Problem Possible Cause What To Do ● Not enough or no hot water. Water Shutoff valve is not fully opened. - Page 33 Error Code Guide: When an error code is displayed: If the error code is still shown: ● ● Close the hot water faucet, turn off the switch on the remote Turn off the hot water faucet and turn off the switch on the control.
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Page 34: Parts List
Replacement Parts: Outdoor Water Heater Instructions For Placing a Parts Order Address parts orders to the distributor or store Part description (as noted below) and WARNING: For your where the water heater was purchased. number of parts desired. safety, DO NOT attempt to disassemble this unit for any CAUTION: For your safety, DO All parts orders should include:... -
Page 35: Dip Switch Adjustment
The content on this page is intended for use by qualified installation/service personnel ONLY. WARNING: Improper adjustment, alteration, DANGER: Hotter water increases service or maintenance can cause property damage, the potential for Hot Water SCALDS. personal injury, or death. Time/Temperature Relationship in Scalds Temperature Setting DIP Switch Adjustment Water Temperature Time To Produce a Serious Burn... -
Page 36: If You Need Service
IF YOU NEED SERVICE 1. Should you have any questions about your new water heater, or if it requires adjustment, repair, or routine maintenance, it is suggested that you first contact your installer, plumbing contractor or previously agreed upon service agency. In the event the firm has moved, or is unavailable, refer to the telephone directory, commercial listings or local utility for qualified service assistance.