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MFH-I&S-02
INSTALLATION & SERVICE MANUAL
MANUFACTURED HOME (MOBILE HOME)
GAS WATER HEATER
This water heater must be installed in accordance with local codes. In the
absence of local codes, it must be installed in compliance with The Federal
WARNING
Manufactured Home Construction and Safety Stand Title 24 CRF, part 3280 or
If the information in these instructions is not followed exactly,
CAN/CSA Z240 MH series, mobile home. In the absence of such standard, The
a fire or explosion may result caus
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MFH-I&S-02 Make sure that you check the rating plate and combination gas control on the WHAT TO DO IF YOU SMELL GAS water heater to be certain that the type of gas being supplied corresponds with � Do not try to light any appliance. the marking on the rating plate and combination gas control. � Do not touch any electrical switch; do not use any telephone in your building. A sacrificial anode is used to extend tank life. The removal of this anode, for � Immediately call your gas supplier from a n
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MFH-I&S-02 of combustion products resulting in air contamination that may be hazardous to Figure 1 life. Such a condition often will result in a yellow, luminous burner flame, causing carboning or sooting of the combustion chamber, burners and flue tubes with possible damage to the heater. Air Intake Installation - An optional 3" (7.6cm) diameter telescoping air Minimum Clearances From intake and leg enclosure are required to supply fresh air to the water heater for Combustible Materials combus
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MFH-I&S-02 If this water heater is installed in a closed water supply system, such as the one WARNING having a back-flow preventer in the cold water supply, provisions shall be made NOTE: Some models may already be equipped or supplied with a to control thermal expansion. DO NOT operate this water heater in a closed combination temperature and pressure relief valve. Verify that the system without provisions for controlling thermal expansion. Your water supplier combination temperature and pr
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MFH-I&S-02 1. Connect this water heater only to the type of gas (Natural or Propane gas) as shown on the rating plate. Use clean 1/2"black iron pipe. (Dirt and scale from the pipe can enter the combination control and cause it to malfunction). The inlet gas line must have a minimum length of 3" (7.6 cm) drip leg (sediment trap) installed as close to the water heater’s combination gas control as possible. A ground joint union must be installed in the gas supply line feeding the water heater to
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MFH-I&S-02 TO FILL THE WATER HEATER 1. Close the water heater drain valve by turning the knob clockwise. 2. Open the cold water supply shut-off valve. 3. Open several hot water faucets to allow air to escape from the system. 4. When a steady stream of water flows from the faucets, the water heater is filled. Close the faucets and check for water leaks at the water heater drain valve, combination temperature and pressure relief valve and the hot and cold water connection. 5. Wait five (5) minutes
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MFH-I&S-02 BURNER FLAME CHECK CAUTION: Operation of this water heater in air contaminated by perchloroethylene, any chlorinated hydrocarbon or strong oxidizing agents, will result Steel Burner: These models are equipped with self adjusting air mixture and in serious damage to brass orifices, internal steel parts and void the warranty. do not have an adjustable air shutter (See Figure 3). At periodic intervals, a visual check of the main burner and pilot flames should be made to determine IMPO
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MFH-I&S-02 9. A combination sacrificial anode rod/hot water outlet nipple has been WARNING installed to extend tank life. The anode rod should be inspected periodically When lifting lever of the combination temperature and pressure (every 2 years) and replaced when necessary to prolong tank life. Water relief valve, hot water will be released under pressure. Be conditions in your area will influence the time interval for inspection and careful that any released water does not result in bodily i
