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Instruction Manual
resIdentIal Gas water heaters
FOR USE ONLY IN MANUFACTURED HOMES
GAMA certification applies
to all residential gas water
heaters with capacities of 20
to 100 gallons with input rating
of 75,000 BTU/Hr. or less.
C3 Technology® Gas Water Heaters meet the new ANSI Z21.10.1
standard that deals with the accidental or unintended ignition of
flammable vapors, such as those emitted by gasoline.
• for Your safety •
AN ODORANT IS ADDED TO THE GAS USED
BY THIS WATER HEATER.
all t
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safe InstallatIon, use and servIce Your safety and the safety of others is extremely important in the installation, use and servicing of this water heater. Many safety-related messages and instructions have been provided in this manual and on your own water heater to warn you and others of a potential injury hazard. read and obey all safety messages and instructions throughout this manual. It is very important that the meaning of each safety message is understood by you and others who instal
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General safetY 3
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taBle of contents SAFE INSTALLATION, USE AND SERVICE............................2 RobertShaw Fuel Conversion Instructions from Propane (L.P.) to Natural Gas ........................... 16-18 GENERAL SAFETY..................................................................3 RobertShaw Fuel Conversion Instructions TABLE OF CONTENTS ............................................................4 from Natural Gas to Propane (L.P.) Gas .........................18 INTRODUCTION ........................
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tYpIcal InstallatIons Get to Know Your water heater - Gas Models a v ent pipe j drip leg (sediment t rap) S Flue Baffle B drafthood K Inner door t thermostat c anode l outer door u drain v alve d hot w ater outlet M union v pilot and Main Burner e outlet n Inlet water shut-off v alve w flue f roof jack o cold w ater Inlet X drain pan G Gas supply p Inlet dip t ube/nipple Y thermostat shield (optional) h Manual Gas shut-off v alve q t emperature-pressure relief v alve Z air Intake s
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tYpIcal InstallatIons InstallatIon In enclosure of Manufactured InstallatIon In enclosure of Manufactured hoMe wIth louvered eXterIor door hoMe wIth solId eXterIor door * MIXInG valve usaGe fIGure 2. This appliance has been design certified as complying with American HOTTER WATER CAN SCALD: National Standard/CSA Standard for water heaters and is considered suitable for: Water heaters are intended to produce hot water. Water heated to a temperature which will satisfy space heating, clothe
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locatInG the new water heater such locations cannot be avoided, a suitable drain pan should be f acts to consIder aBout the locatIon installed under the water heater. Drain pans are available at your This manufactured home gas-fired water heater is for use in a local hardware store. Such a drain pan must have a minimum length and width of at least 2 inches (51 mm) greater that the water heater manufactured home. You should carefully choose an indoor location dimensions and must be piped t
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Also, the water heater must be located and/or protected so it is not A gas water heater cannot operate properly without the correct subject to physical damage by a moving vehicle. amount of air for combustion. Do not install in a confined area such as a closet, unless you provide air as shown in the Typical Installations, see Figure 2 page 6. Never obstruct the flow of ventilation air. If you have any doubts or questions at all, call your gas supplier. Failure to provide the proper amou
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InstallInG the new water heater securInG water heater to floor and wall water pIpInG The water heater must be secured to the floor and to the wall of the enclosure with the three mounting brackets and screws packaged in the carton with the water heater. The two small brackets stamped #0110064 are used to attach the water heater to the floor and the one large bracket #0110063 is used to secure the top of the water heater to the wall. Because of installation variances these brackets can be l
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The water within the water heater tank expands as it is heated and water pIpInG pressure test increases the pressure of the water system. If the relieving point of the water heater’s temperature-pressure relief valve is reached, the valve will relieve the excess pressure. t he temperature-pressure relief valve is not intended for the constant relief of thermal expansion. This is an unacceptable condition and must be corrected. It is recommended that any devices installed which could crea
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This heater is provided with a properly certified combination temperature - pressure relief valve by the manufacturer. The valve is certified by a nationally recognized testing laboratory that maintains periodic inspection of production of listed equipment of materials as meeting the requirements for Relief Valves for Hot Water Supply Systems, ANSI Z21.22 • CSA 4.4, and the code requirements of ASME. If replaced, the valve must meet the requirements of local codes, but not less than a com
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To fill the water heater with water: temperature. Such temperatures may not be high enough to properly open thermally operated vent dampers. This would cause spillage of 1. Close the water heater drain valve by turning the handle to the right the flue gases and may cause carbon monoxide poisoning. (clockwise). The drain valve is on the lower front of the water heater. Vent dampers must bear evidence of certification as complying with the current edition of the American National Standard ANS
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• A drip leg (sediment trap) ahead of the gas control valve to help prevent dirt and foreign materials from entering the gas control valve. • A flexible gas connector or a ground joint union between the shut off valve and control valve to permit servicing of the unit. Be sure to check all the gas piping for leaks before lighting the water heater. Use a soapy water solution, not a match or open flame. Rinse off soapy solution and wipe dry. Chemical vapor corrosion of the flue and vent syst
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Connecting the gas piping to the gas control valve of the water Contaminants in the gas lines may cause improper operation of the heater can be accomplished by either of the two methods shown in gas control valve that may result in fire or explosion. Before attaching Figures 9 and 10. the gas line be sure that all gas pipe is clean on the inside. To trap any dirt or foreign material in the gas supply line, a drip leg (sometimes called a sediment trap) must be incorporated in the piping. Th
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9. Remove flange nuts holding inner door in place with 3/8” nut 15. Remove the Phillips-head screw holding the pilot bracket to the driver, see Figure 13. burner head, see Figure 16. fIGure 16. 16. Remove the two Phillips-head screws holding the natural burner head to the burner tube assembly, see Figure 17. 17. Using 3/8” boxed-end wrench remove the natural gas burner orifice “O” from the burner tube. Install burner orifice marked “LP” and tighten securely, see Figure 17. 18. Locate and in
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23. Place screwdriver in slot “C”, see Figure 19. Depress and turn Maximum Supply Pressure: 10.5” W.C. for Natural Gas. counterclockwise ( ) to stop. Control screw must be in “IN” 13” W.C. for Propane (L.P.) Gas. position for propane (LP) gas and in “OUT” position for natural gas. STOP! Read label “For Your Safety” located on your water Minimum Supply Pressure: heater. 5” W.C. for Natural Gas. 11” W.C. for Propane (L.P.) Gas. roBertshaw fuel conversIon InstructIons froM propane (l.p.) Gas to
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14. To remove the propane (LP) gas pilot assembly, remove the Phillips-head screw holding the TCO bracket to the burner tube bracket, see Figure 24. fIGure 21. 8. Unplug wire from igniter assembly mounted on the side of the gas valve. 9. Remove flange nuts holding inner door in place with 3/8” nut driver, see Figure 22. fIGure 24. 15. Remove the Phillips-head screw holding the pilot bracket to the burner head, see Figure 25. fIGure 25. 16. Remove the two Phillips-head screws holding the pro
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19. Push the propane gas pilot assembly grommet out of the inner door towards the combustion chamber. 20. To install the natural gas pilot assembly, pull the igniter wire, thermostat lead, and pilot tube through the inner door hole. Reinstall the Phillips-head screw securing the TCO bracket too the burner tube. Reinstall the Phillips- head screw securing the pilot assembly to the burner head bracket. 21. Push the grommet into the inner door hole making sure the door fIGure 28. fits into th
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whIte-rodGers Gas valve 19
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roBertshaw Gas valve 20
