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Series Twelve
POWER VENT
GAS WATER HEATER
USER’S GUIDE
CANADIAN
MANUAL
FOR POTABLE WATER HEATING ONLY
• Safety Instructions
NOT SUITABLE FOR SPACE HEATING
• Installation
• Operation
NOT FOR USE IN
• Care and Maintenance
MANUFACTURED (MOBILE) HOMES
• Troubleshooting
• Parts List
Model Numbers
HVN41240PCGA HVP41240PCGA
HVN41250PCGA HVP41250PCGA
HVN41250VCGA HVP41250VCGA
C3 Technology® Gas Water Heaters meet
the new ANSI Z21.10.1 standard that deals
with the accidental or unintended ignition
of fla
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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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SAFETY PRECAUTIONS 3
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TABLE OF CONTENTS SAFE INSTALLATION, USE AND SERVICE .................................................................................................................................... 2 SAFETY PRECAUTIONS ................................................................................................................................................................. 3 TABLE OF CONTENTS ...............................................................................................................
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CUSTOMER RESPONSIBILITIES Thank You for purchasing a Maytag water heater. Properly installed of the water heater and your safety. Since we cannot put everything and maintained, it should give you years of trouble free service. It is on the first few pages, READ THE ENTIRE MANUAL BEFORE strongly suggested that this new water heater be professionally ATTEMPTING TO INSTALL OR OPERATE THE WATER HEATER. installed, contact Maytag Customer Service (1-800-788-8899) for recommended installers. 2. The in
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MATERIALS AND BASIC TOOLS NEEDED Accessories To simplify the installation Maytag has available the installation parts shown below. You may or may not need all of these accessories depending on your type of installation. Call Maytag Customer Service at 1-800-788-8899 for an authorized installer. EXPANSION TANKS FOR THERMAL EXPANSION CONDITIONS DRAIN PANS AVAILABLE IN 22” (559 mm) DIAMETER (PART NO. 66001011) FOR WATER HEATERS HAVING A DIAMETER 20” (508 AVAILABLE IN 2 GALLONS (7.6 LITERS), Part No
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TYPICAL INSTALLATION GET TO KNOW YOUR WATER HEATER - GAS MODELS A Vent Pipe–Exhaust K Hot Water Outlet V Drip Leg (Sediment Trap) B Vent Terminal L Outlet Receptacle (115 VAC) W Drain Valve C Vent Adapter-Rubber Boot M Temperature-Pressure Relief Valve X Gas Valve-Thermostat D Blower Assembly N Flue Y Drain Pan E Cold Water Inlet O Flue Baffle Assembly** Z Air Intake Screen - Base Pan F Inlet Water Shut-off Valve P Insulation AA Inner Door G Union Q Control Harness BB Outer Door H Inlet Dip Tube
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TYPICAL INSTALLATION MIXING VALVE USAGE FIGURE 2. HOTTER WATER CAN SCALD: Water heaters are intended to produce hot water. Water heated to a temperature which will satisfy space heating, clothes washing, dish washing, and other sanitizing needs can scald and permanently injure you upon contact. Some people are more likely to be permanently injured by hot water than others. These include the elderly, children, the infirm, or physically/mentally handicapped. If anyone using hot water
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INSTALLATION INSTRUCTIONS 4. Attach a hose to the water heater drain Removing the Old Water Heater valve and put the other end in a floor drain or outdoors. Open the water heater drain valve. Open a nearby hot water faucet which will relieve pressure in the water heater and speed draining. The water passing out of the drain valve may be extremely hot. To avoid being scalded, make sure all connections are tight and that the water flow is directed away from any person, see Figures 3 and 6. FIG
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INSTALLATIONS IN AREAS WHERE FLAMMABLE LIQUIDS (VAPORS) FACTS TO CONSIDER ABOUT THE LOCATION ARE LIKELY TO BE PRESENT OR STORED (GARAGES, STORAGE AND UTILITY AREAS, ETC.): Flammable liquids (such as gasoline, solvents, Carefully choose an indoor location for the new water heater, because propane (LP or butane, etc.) and other substances (such as adhesives, the placement is a very important consideration for the safety of the etc.) emit flammable vapors which can be ignited by a gas water occupan
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and 12" (30.5 cm) from the top. (Standard clearance.) If clearances flammable in many cases, will also react to form corrosive hydrochloric stated on the heater differ from standard clearances, install water heater acid when exposed to the combustion products of the water heater. according to clearances stated on the heater. The results can be hazardous, and also cause product failure. INSULATION BLANKETS Adequate clearance for servicing this appliance should be considered before installation, s
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Chemical vapor corrosion of the flue, blower assembly and vent system 2. When communicating with the outdoors through vertical ducts, each may occur if air for combustion contains certain chemical vapors. opening shall have a minimum free area of 1 square inch per 4,000 2 Spray can propellants, cleaning solvents, refrigerator and air conditioner Btu per hour (5.5 cm /kW) of total input rating of all equipment in the refrigerants, swimming pool chemicals, calcium and sodium chloride, enclosure,
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The water within the water heater tank expands as it is heated and WATER PIPING 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. The 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 create a closed system ha
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Figure 16 shows the typical attachment of the water piping to the water The valve must be marked with a maximum set pressure not to exceed heater. The water heater is equipped with 3/4 inch NPT water the marked hydrostatic working pressure of the water heater connections. (150 psi = 1,035 kPa) and a discharge capacity not less than the water heater input rate as shown on the model rating plate. NOTE: If using copper tubing, solder tubing to an adapter before attaching the adapter to the cold w
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When installed at elevations above 7,700 feet (2,347 m), input rating GAS PIPING should be reduced at the rate of 4 percent for each 1,000 feet (305 m) above sea level which requires replacement of the burner orifice in accordance with Natural Gas and Propane Installation Code CAN/CSA B149.1. Contact your local gas supplier for further information. Failure to replace the standard orifice with a high altitude orifice when installed at elevations above 7,700 feet (2,347 m) could result in imprope
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Never use this water heater unless it is completely full of water. To SEDIMENT TRAPS prevent damage to the tank, the tank must be filled with water. Water must flow from the hot water faucet before turning “ON” gas to the water heater. To fill the water heater with water: 1. Close the water heater drain valve by turning the handle to the right (clockwise). The drain valve is on the lower front of the water heater. 2. Open the cold water supply valve to the water heater. NOTE: The cold water su
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VENT CONNECTIONS TO BLOWER ASSEMBLY VENTING AND INSTALLATION Figure 15 shows the optimal placement of the 2" to 3" or 3" to 4" reducer; Plan the layout of the vent system from the vent termination to the however, the vent can be reduced at any point in the vent system as long water heater considering all of the 90° and 45° elbows plus the as the maximum vent length is not exceeded. number of feet of pipe that would be needed to install the total vent system. The water heater must be vented to th
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The unit may be vented horizontally through a wall or vertically through CONDENSATION the roof. Pipe runs must be adequately supported along both vertical and horizontal runs as follows: Condensate formation does not occur in all installations of power vented water heaters, but should be protected against on installations where • For Schedule 40, 2" PVC, ABS, Coex Cellular Core vent pipe: Every it can form in the venting system. Condensation in the venting system 3 feet (0.9 m). of power vented
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VENTING Vent pipes serving power vented appliances are classified by building codes as “vent connectors”. Required clearances from combustible materials must be provided in accordance with information in this manual under FACTS TO CONSIDER ABOUT THE LOCATION and VENT TERMINAL INSTALLATIONS, and with the Natural Gas and Propane Installation Code CAN/CSA B149.1 and local codes. VENT TERMINAL INSTALLATION 1. After the point of termination has been determined, use the cover plate as a template to m
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FIGURE 23. This unit can vent through 2", 3" or 4" nonmetallic pipe and fittings. VERTICAL VENT RESTRICTIONS The vent pipe installation can be started from either the blower discharge 1. Minimum of twelve 12" (30.5 cm) above the roof or twelve 12" or the termination wall. Keep in mind the total vent system (pipe and (30.5 cm) above the anticipated snow level. Provide proper support elbows) when installing the vent system, see VENTING AND for all pipe protruding through the roof. INSTALLATION A
