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Installation and Operating Manual
HYBRID GAS WATER HEATERS
POWER VENT GAS MODELS
www.americanwaterheater.com
ANSI Z21.10.3b-2008
• For Your Safety •
AN ODORANT IS ADDED TO THE GAS USED
BY THIS WATER HEATER.
ALL TECHNICAL AND WARRANTY QUESTIONS: SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS
PURCHASED.
KEEP THIS MANUAL IN THE POCKET ON HEATER FOR FUTURE REFERENCE
WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.
0710 316888-004 Rev. 00
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TABLE OF CONTENTS SAFE INSTALLATION, USE AND SERVICE 3 OPERATING INSTRUCTIONS 33 GENERAL SAFETY 4 Display Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 INTRODUCTION 6 Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Get To Know Your Water Heater - Gas Models. . . . . 8 Lighting Instructions . . . . . . . . . . . . . . . . . . . . . . . . 36 Replacement Parts And Deliming Products . . . . . . . 8 Heat Cycle Defi nitions. . . . . . . . . . . . . .
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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 install,
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GENERAL SAFETY 4 www.americanwaterheater.com
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GENERAL SAFETY DANGER WARNING Breathing Hazard - Carbon Monoxide Gas • Install vent system In accordance with codes. • Do not operate water heater if flood damaged. • Special Consideration must be taken with installations above 11,000' (3,352m) for standard models. • Do not operate if soot buildup is present. • Do not obstruct water heater air intake with FLAMMBLE insulating jacket. Flammable Vapors • Do not place chemical vapor emitting products near water heater. • Gas and carbon monoxide
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INTRODUCTION Thank You for purchasing this water heater. Properly 5. Carefully plan the place where you are going to put installed and maintained, it should give you years of trouble the water heater. Correct combustion, vent action, and free service. vent pipe installation are very important in preventing Abbreviations Found In This Instruction Manual: death from possible carbon monoxide poisoning and • CSA - Canadian Standards Association fi res (see Figures 1 and 3). Examine the location t
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GET TO KNOW YOUR WATER HEATER - GAS MODELS A Mixing Valve*** U Side Casing (Plastic) B Hot Water Outlet (Tempered)*** V Top Casing Enclosure (Plastic) C Pipe Insulation*** W Exhaust Elbow Assembly D Inlet Water Shutoff Valve*** X T&P Relief Valve E Cold Water Inlet*** Y Anode F Expansion Tank*** Z Inlet Dip Tube G Vent Termination Elbow** H Access Door (Heat Engine) * CAUTION HARNESS HAS 120 VAC. IN I Earthquake Strap*** OPERATION. J Power Cord* ** See “Planning the Vent System,” “In
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INSTALLATION CONSIDERATIONS ROUGH IN DIMENSIONS Top View Left Side View FIGURE 2 Capacity, Gas and Electrical Characteristics Model Approx. Capacity Input Gas Gas Supply Pressure Manifold Pressure Electrical Characteristics Type U.S. Gals. Litres BTU/hr Max. Min. in. WC (kPa) Volts/Hz Amperes in. WC (kPa) in. WC (kPa) GH-90N 25 94.6 100,000 Nat. 14.0 (3.49) 5.0 (1.25) 4.2 (1.05) 120/60 2.5 Minimum gas supply pressure must be maintained under both load and no load (dynamic and static) conditions
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INSTALLATION REQUIREMENTS FOR THE COMMONWEALTH OF MASSACHUSETTS For all side wall terminated, horizontally vented power vent, gas fueled water heaters installed in every dwelling, building or structure used in whole or in 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 re
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WATER PIPING - MIXING VALVE USAGE SUGGESTED PIPING ARRANGEMENT FOR TOP CONNECTIONS TEMPERED SHUT-OFF VALVE POTABLE WATER TEMPERED POTABLE WATER COLD WATER INLET THERMAL EXPANSION TANK TEMPERATURE- PRESSURE RELIEF VALVE MIXING VALVE DISCHARGE (OPTIONAL) PIPE (DO NOT CAP OR PLUG) PIPE INSULATION (RECOMMENDED) METAL 6 in. DRAIN PAN (15cm) MAX. AIR GAP FLOOR DRAIN VALVE DRAIN TO SUITABLE DRAIN FIGURE 3 This appliance has been design certifi ed as complying with DO NOT use any pump
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groups or if there is a local code or state law requiring a such a manner that if the tank or any connections should certain temperature water at the hot water tap, then you leak, the fl ow will not cause damage to the structure. For must take special precautions. In addition to using the this reason, it is not advisable to install the water heater lowest possible temperature setting that satisfi es your hot in an attic or upper fl oor. When such locations cannot be water needs, a means such as
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DANGER FLAMMBLE Flammable Vapors Vapors from flammable Water heater has a main liquids may explode and burner and spark generator. catch fire causing death or The spark generator: severe burns. 1. can be triggered at any time and Do not use or store 2. the spark will ignite flammable products such as flammable vapors. gasoline, solvents or adhe- sives in the same room or Vapors: area near the water heater. 1. cannot be seen, 2. are heavier than air, HANDLE INST ALLA TION Keep flammable pro
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When installing the heater, consideration must be given to Remove the right side panel proper location. Location selected should be as close to 1. Use a screwdriver to remove the screw from the the wall as practicable and as centralized with the water bottom, front of the right side panel. piping system as possible. 2. Remove the three screws from the right side panel towards the rear of the unit. 3. Remove the screw from the top of the unit. 4. Push the panel back and lift out. Remove the lef
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Screws Screws Top Casing (Front) FIGURE 7 Screws FIGURE 9 After the heater has been positioned and the earthquake straps have been installed, re-assemble the shroud in the reverse order. FIGURE 8 www.americanwaterheater.com 15
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COMBUSTION AIR AND VENTILATION In unconfi ned spaces in buildings, infi ltration may be adequate to provide air for combustion, ventilation and A gas water heater cannot operate properly without the dilution of flue gases. However, in buildings of tight correct amount of air for combustion. Do not install in a construction (for example, weather stripping, heavily confi ned area such as a closet, unless you provide air as insulated, caulked, vapor barrier, etc.), additional air may shown in th
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FIGURE 11 FIGURE 13 B. ALL AIR FROM OUTDOORS: (See Figures 12, 13 and 14) 4. When ducts are used, they should be of the same cross-sectional area as the free area of the openings to The confi ned space should be provided with two permanent which they connect. The minimum short side dimension openings, one commencing within 12 in. (30cm) of the top of rectangular air ducts should not be less than 3 in. and one commencing within 12 in. (30cm) from the bottom (7.6cm) (see Figure 14). of the
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6. Louvers and Grilles: In calculating free area, Water heaters are intended to produce hot water. Water consideration should be given to the blocking effect of heated to a temperature which will satisfy space heating, louvers, grilles or screens protecting openings. Screens clothes washing, dish washing, cleaning and other sanitizing used should not be smaller than 1/4 in. (0.64cm) mesh. needs can scald and permanently injure you upon contact. If the free area through a design of louver or
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limited warranty. Thermal expansion can also cause HARD W A TER intermittent temperature-pressure relief valve operation: We highly recommend installing water fi ltering system or water discharged from the valve due to excessive pressure a water softener before the water heater system. If you build up. The temperature-pressure relief valve is not are installing a water fi ltering system use a 5 micron fi lter intended for the constant relief of thermal expansion. This to reduce particles that c
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The temperature-pressure relief valve must be installed The temperature-pressure relief valve must be manually directly into the fi tting of the water heater designed for the operated at least once a year, (see Figure 17). Caution relief valve. Must terminate a maximum of 6 in. (15cm) should be taken to ensure that (1) no one is in front of or above a fl oor drain or external to the building. In cold around the outlet of the temperature-pressure relief valve climates, it is recommended that th
