Bradford-White Corpメーカー238-44422-00Gの使用説明書/サービス説明書
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238-44422-00G REV 05/07 ELECTRIC WATER HEATER THE WARRANTY ON THIS WATER HEATER IS IN EFFECT ONLY WHEN THE WATER HEATER IS INSTALLED AND OPERATED IN ACCORDANCE WITH LOCAL CODES AND THESE INSTRUCTIONS. THE MANUFACTURER OF THIS HEATER WILL NOT BE LIABLE FOR ANY DAMAGE RESULTING FROM FAILURE TO COMPLY WITH THESE INSTRUCTIONS.
2 TABLE OF CONTENTS General Info rmation ........................................................ 3 Installati on ....................................................................... 4 Locating The Wate r Heater ....................................
3 GENERAL INFORMATION This electric water heater’s design is certified by Underwriters Laboratories (UL) and listed in accordance with UL 174. C-UL listed in accordance with Canadian National Standard C22.2, No. 110-M90. This water heater must be installed in accordance with local codes.
4 General Information continued- A sacrificial anode is used to extend tank life. Removal of this anode, for any reason, will nullify the warranty. In ar eas where water is unusually active, an odor may occur at the hot water faucet due to a reaction between the sacrificial anode and impurities in the water.
5 Locating The Water Hea ter continued- DO NOT locate the w ater heater w here w ater lines could be subjected to freezing temperatures. Locate the w ater heater so that access panels and drain valves are accessible. Some models are not equipped with a drain valve.
6 Water Connections NOTE: BEFORE PROCEEDING WITH THE INSTALLATION, CLOSE THE MAIN WATER SUPPLY VALVE. After shutting the main water supply valve, open a faucet to relieve the water line pressure to prevent any water from leaking out of the pipes while making the water connections to the water heater.
7 Water Connections continue d- WARNING For protection against excessive temperatures and pressure, install temperature and pressure protective equipment required by local codes, but not less than a c.
8 Water Connections continue d- WARNING Hydrogen gas can be produced in a hot water system served by this w ater heater that has not been used for a long period of time (generally two w eeks or more).
9 Water Connections continue d- This water heater can deliver scalding te mperature water at any faucet in the system. Be careful whenever using hot water to avoid scalding injury. Certain appliances, such as dishwashers and automatic clothes washers, may require increased temperature water.
10 Water Connections continue d- Upright Models (See Figure 1) The hot and cold water connections are identified on the top of the water heater. Connect the hot and cold water li nes to the installed nipples using unions. Install a listed temperature-pressure relief valve in the opening on the side of the water heater.
11 Water Connections continue d- Utility Models (See Figure 2) The hot and cold water connections are identified on the side of the water heater. Connect the hot and cold water li nes to the installed nipples using unions. Install a listed temperature-pressure relief valve in the opening on the side of the water heater.
12 Water Connections continue d- Table Top Models (See Figure 3) The hot water outlet and cold water inlet are identified on the back panel of the water heater. Referring to figure 3, remove the two screws that are holdi ng the service access panel in place.
13 Electrical Connections Before any electrical connections are made, be sure that the water heater is full of water and that the manual shut-off valve in the cold water supply line is open. Check the rating plate and wiring diagram before proceeding.
14 GENERAL OPERATION When the switch is closed, the operati on of this electric water heater is automatic. The thermostats are preset to the “HOT” setting to provide a water temperature of approximately 120°F (49°C) to reduce the risk of scald injury.
15 Thermostat Adjustment The temperature of the water can be c hanged by adjusting the thermostat(s). Before any work is done on the wate r heater, disconnect all power to the water heater by opening the switch at the main electrical circuit breaker or fuse box.
16 MAINTENANCE Shut off the electric power whenever t he water supply to the water heater is off. Shut off the electric power and water supply, drain the water heater completely to prevent freezing w henever the building is left unoccupied during the cold weather months.
17 Maintenance c ontinued- 3. At least once a year, check the combination temperature and pressure relief valve to insure that the valv e has not become encrusted with lime. Lift the lever at the top of the tem perature-pressure relief valve several times until the valve seats properly without leaking and operates freely.
18 Maintenance continue d- Contact your local plumbing supplier or plumbing professional for replacement parts or contact the company at the address displayed on the rating plate of the water heater. For faster and better service, pleas e provide the part name, model, and serial number(s) of the water heater(s) when ordering parts.
19 NOTES.
20 NOTES.
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