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Flammable Vapor Ignition Resistant Compliant
Power Direct Vent
Gas Water Heater
Installation
Instructions and
Use & Care Guide
WARNING: If the information in these
instructions is not followed exactly, a fire
or explosion may result causing property
damage, personal injury or death.
Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
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.
•
If you cannot reach your gas
supplier, call the fire department.
Installation and service must be performed
by a qualified installer, service agency or
the gas supplier.
To obtain technical, warranty, or service assistance during or
after the installation of this water heater, visit our website at:
http://www.americanwaterheater.com
or call toll free
1-800-456-9805
When calling for assistance, please have the
following information ready:
1.
Model number
2.
7 digit product number
3.
Serial number
4.
Date of installation
5.
Place of purchase
Table of Contents
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INSTALLER:
•
AFFIX THESE INSTRUCTIONS TO OR ADJACENT
TO THE WATER HEATER.
OWNER:
•
RETAIN THESE INSTRUCTIONS AND WARRANTY
FOR FUTURE REFERENCE. RETAIN THE
ORIGINAL RECEIPT AS PROOF OF PURCHASE.
6510418
September 2007
1
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Related Manuals for American Water Heater Power Flex 40-42K BTU
Summary of Contents for American Water Heater Power Flex 40-42K BTU
- Page 1 Flammable Vapor Ignition Resistant Compliant Power Direct Vent Gas Water Heater Installation Instructions and Use & Care Guide WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death. Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
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Page 2: Table Of Contents
• Do not use this appliance if any part has been under water. Immediately call a qualified service technician. Water heaters subjected to flood conditions or any time the gas controls, main burner or pilot have been submerged in water require replacement of the entire water heater. •... -
Page 3: Installing Your Gas Water Heater
INSTALLING YOUR GAS WATER HEATER Consumer Information This water heater is design-certified by CSA International as a Category I, direct vented water heater which takes its combustion air from the outside of the structure and exhausts all products of combustion to the outside of the structure. -
Page 4: Location Requirements
WARNING Flammable Vapors FLAMMABLES FIRE AND EXPLOSION HAZARD Can result in serious injury or death Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. Storage of or use of gasoline or other flammable vapors or liquids in the vicinity of this or any other appliance can result in serious injury or death. -
Page 5: Clearances And Accessibility
CAUTION - PROPERTY DAMAGE HAZARD The water heater should be located in an area where leakage of the tank or connections will not result in damage to the area adjacent to the water heater or to lower floors of the structure. Due to the normal corrosive action of the water, the tank will eventually leak after an extended period of time. -
Page 6: Gas Supply
WARNING Explosion Hazard Use a new CSA approved gas supply line. Install a shut-off valve. Do not connect a natural gas water heater to an L.P. gas supply. Do not connect an L.P. gas water heater to a natural gas supply. Failure to follow these instructions can result in death, explosion, or carbon monoxide poisoning. -
Page 7: Vent Pipe System
VENT PIPE SYSTEM WARNING Carbon Monoxide Warning Follow all the local and state codes or, in the absence of local and state codes, the “National Fuel Gas Code”, ANSI Z223.1 (NFPA 54)- latest edition to properly install vent system. Failure to do so can result in death, explosion, or carbon monoxide poisoning. -
Page 8: Vent Pipe Installation
Vent Pipe Installation The following guidelines should be followed when installing the air inlet and exhaust outlet piping: • Venting should be as direct as possible with a minimum number of pipe fittings. • Vent diameter must not be reduced unless specifically noted in the installation instructions. - Page 9 Vent Termination Locations The air inlet and exhaust outlet must be installed with the following minimum clearances (see figure 4): • Twelve inches above grade or maximum anticipated snow level. • Twelve inch minimum clearance on top or four foot clearance below or to the side of door or window that may be open.
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Page 10: Inlet/Outlet Terminations
INLET/OUTLET VENT TERMINATIONS Standard Horizontal Termination The standard horizontal air inlet termination is a 2 inch or 3 inch pipe which terminates at the exterior wall and utilizes a coupling to prevent the pipe from being pushed back into the structure. The standard horizontal exhaust outlet termination is a 2 inch or 3 inch pipe which termi- nates 12 inches from the outside wall (see figure 5). -
Page 11: Water System Piping
WATER SYSTEM PIPING Piping Installation Piping, fittings, and valves should be installed according to the installation drawing (Figure 8). If the indoor installation area is subject to freezing temperatures, the water piping must be protected by insulation. Water supply pressure should not exceed 80 psi. If this occurs a pressure limiting valve with a bypass may need to be installed in the cold water inlet line. -
Page 12: Temperature And Pressure Relief Valve
Closed System/Thermal Expansion CAUTION - PROPERTY DAMAGE HAZARD Periodic discharge of the temperature and pressure relief valve may be due to thermal expansion in a closed water supply system. The water utility supply meter may contain a check valve, backfl ow preventer or water pressure reducing valve. -
Page 13: Electrical Connections
The Temperature and Pressure Relief Valve: • Must not be in contact with any electrical part. • Must be connected to an adequate discharge line. • Must not be rated higher than the working pressure shown on the data plate of the water heater. The Discharge Line: •... -
Page 14: Installation Checklist
INSTALLATION CHECKLIST Water Heater Location • Centrally located with the water piping system. Located as close to the gas piping and vent pipe system as possible. • Located indoors and in a vertical position. Protected from freezing temperatures. • Proper clearances from combustible surfaces maintained and not installed directly on a carpeted fl... -
Page 15: Operating Your Water Heater
OPERATING YOUR WATER HEATER Lighting Instructions Read and understand these directions thoroughly before attempting to operate the water heater. Make sure the tank is completely filled with water before operating the water heater. Check the data plate near the gas control valve/thermostat for the correct gas. -
Page 16: Water Heater Operation
L.P.G. (Bottled Propane) Models Liquefi ed petroleum gas is over 50% heavier than air and in the occurrence of a leak in the system, the gas will settle at fl oor level. Basements, crawl spaces, skirted areas under mobile homes (even when ventilated), closets and areas below ground level will serve as pockets for the accumulation of gas. -
Page 17: Operational Conditions
30 seconds if no further buttons are pressed. After 30 seconds the control will go back to “Sleep” mode. 2. Release both of the temperature adjustment buttons. A. To decrease the temperature press and release the “COOLER” button until the desired setting is reached. B. -
Page 18: Maintenance Of Your Water Heater
MAINTENANCE OF YOUR WATER HEATER Draining and Flushing It is recommended that the tank be drained and flushed every 6 months to remove sediment which may build up during operation. The water heater should be drained if being shut down during freezing temperatures. To drain the tank, perform the following steps: 1. -
Page 19: Hot Surface Igniter (Hsi)
Replacement parts may be ordered through your plumber or the local distributor. Parts will be shipped at prevailing prices and billed accordingly. When ordering replacement parts, always have the following information ready: 1. model, serial, and product number 2. type of gas 3. -
Page 20: Outer Door
WARNING Explosion Hazard Tighten both manifold door screws securely. Remove any fiberglass between gasket and combustion chamber. Replace viewport if glass is missing or damaged. Replace two piece wire connector if missing or removed. Replace door gasket if damaged. Failure to follow these instructions can result in death, explosion, or fire. -
Page 21: Troubleshooting Flowchart
TROUBLESHOOTING LED STATUS An open earth ground circuit to the ignition system. Wiring error or a high resistance to earth ground. Pressure switch remained closed longer than 5 seconds after the call for heat began. Pressure switch remained open longer than 5 seconds after the combustion blower was energized. - Page 22 TROUBLESHOOTING PROBLEM Blower will not run. A) Blower unplugged. B) No power at outlet. NO HOT WATER C) Thermostat defective. D) High limit control circuit open. E) Blower motor defective. F) Pressure switch defective. Thermostat problems. A) Thermostat set too low. B) Thermostat or ECO defective.
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Page 23: Repair Parts Illustration
REPAIR PARTS ILLUSTRATION When ordering repair parts always give the following information: 1. Model, serial and product number 2. Type of gas 3. Item number 4. Parts description Repair Parts List Item Parts Description Blower Pressure Switch (Not Pictured) Flue Baffle Heat Trap (Cold) Heat Trap (Hot) Cold Water Dip Tube... - Page 24 Item 16: Contains two piece wire connector with retainer clip. Item 17: Contains manifold door gasket. Item 18: Contains viewport. ITEM 11 ITEM 14 ITEM 16 © 2007 American Water Heater Company, All Rights Reserved. Printed in the U.S. ITEM 12 ITEM 15 ITEM 17 ITEM 13 ITEM 18...