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Hersteller: Bradford-White Corp Dateigröße: 856.74 kb Dateiname: 7a7a3f29-7df5-490a-aa76-bbc8cb62e7bd.pdf Unterrichtssprache:

FOR YOUR SAFETY READ BEFORE OPERATINGWARNING: If you do not follow these instructions exactly, a fire orexplosion may result causing property damage, personal injury or loss of life. HIGH ALTITUDE INSTALLATION. WARNIN. UNDER NO CIRCUMSTANCES SHOULD THE INPUT EXCEED THE RAT. SHOWN ON THE HEATER RATING PLATE. OVERFIRING COULD RESULT I. DAMAGE OR SOOTING OF THE HEATER. CATHODIC PROTECTIO. CAUTIO. HYDROGEN GAS CAN BE PRODUCED IN A HOT WATER SYSTEM SERVE. BY THIS HEATER THAT HAS NOT BEEN USED FOR A LONG PERIOD O. TIME (GENERALLY TWO WEEKS OR MORE). HYDROGEN GAS I. EXTREMELY FLAMMABLE. To reduce the risk of injury under thes. conditions, it is recommended that a hot water faucet be opened for severa. minutes before using any electrical appliance connected to the hot wate. system. If hydrogen is present, there will probably be an unusual soun. such as air escaping through the pipe as the water begins to flow. Ther. should be no smoking or open flame near the faucet at the time it is open. PRECAUTION. IF THE UNIT IS EXPOSED TO THE FOLLOWING, DO NOT OPERATE HEATE. UNTIL ALL CORRECTIVE STEPS HAVE BEEN MADE BY A QUALIFIE. SERVICEMAN. 1. FLOODING TO OR ABOVE THE LEVEL OF THE BURNER OR CONTROL. 2. EXTERNAL FIRIN. 3. DAMAG. 4. FIRING WITHOUT WATE. 5. SOOTIN. NEVER OPERATE THE HEATER WITHOUT FIRST BEING CERTAIN IT IS FILLE. WITH WATER AND A TEMPERATURE AND PRESSURE RELIEF VALVE I. INSTALLED IN THE RELIEF VALVE OPENING OF THE HEATER. SHOULD OVERHEATING OCCUR OR THE GAS SUPPLY FAIL TO SHU. OFF, TURN OFF THE MANUAL GAS CONTROL VALVE TO THE APPLIANCE. GENERAL INFORMATIO. POWER BURNE. The initial start-up procedure of the unit is provided on page 18. The sequence of operation of the unit is provided on page 15. It is important to note that the controller has a reset button on the contro. box, Figure 1. The reset button is a safety device and would not normall. be used. HIGH LIMI. The high limit (not adjustable) is factory set to cutout at 202°F. The controlle. must be manually reset by depressing the reset button on front of th. control when water temperature drops to below 160°F. TABLE 4 GAS SUPPLY SPECIFICATIONS BTH 12. & 25. Natural Ga. BTH 15. & 19. Natural Ga. BTH 12. 150 & 19. L.P. Ga. Max. Gas Supply Press. W.C. 14.. 14.. 14.. Nominal Gas Supply Press. W.. 7.. 7.. 11.. Minimal Gas Supply Press. W.C. 5.. 4.. 11.. Manifold Press. W.C. 4.. 3.. 10.. WARNIN. BTH HEATERS ARE CERTIFIED FOR USE WITHOUT MODIFICATION FO. ALTITUDES UP TO 6500 FEET. INSTALLATIONS ABOVE 6500 FEET MA. REQUIRE REPLACEMENT OF THE BURNER ORIFICE. CALL THE TECHNICA. CENTER @ (800) 627-1953 FOR REQUIREMENTS. Some gas utility companies derate their gas for altitude, making i. unneccessary to install high altitude orifices. Call the local gas or utlit. company to verify BTU content. Due to the input rating reduction at high altitudes, the output rating of th. appliance is also reduced and should be compensated for in the sizing o. the equipment for applications. MAINTENANC. GENERA. KEEP APPLIANCE AREA CLEAR AND FREE FROM COMBUSTIBL. MATERIALS, GASOLINE AND OTHER FLAMMABLE VAPORS AND LIQUIDS. (SEE WARNING ON PAGE 5, LOCATING THE HEATER). Water heater maintenance includes periodic tank flushing and cleaning. and removal of lime scale. The unit should be inspected and adjusted t. maintain proper combustion. Refer to the following table. A periodi. inspection of the venting system should be made. Where used, the wate. circulating pump should be oiled. MAINTENANCE SCHEDUL. Following are the instructions for performing some of the recommende. maintenance. Unit inspection and adjustment should be performed by . competent technician. COMPONEN. OPERATIO. INTERVA. REQUIRE. Tan. Sedimen. Remova. Monthl. Flushin. Tan. Lime Scal. Remova. Sem. Annuall. UN-LIME. Delime. Anod. Rod. Inspec. Sem. Annuall. Replace a. Require. Relief Valv. Inspec. Sem. Annuall. Circulatin. Pump (1. Oilin. Four Month. SAE No. 2. non-detergen. motor oi. Blowe. Clean Inle. Screen an. Blower Whee. As Require. Soft Brus. Vent Syste. Inspec. Every . Month. Joints shoul. be seale. (1) If furnished with oiling provision. 20 FLUSHIN. 1. Turn off the heater electrical disconnect switch. 2. Open the drain valve and allow water to flow until it runs clean. 3. Close the drain valve when finished flushing. 4. Turn on the heater electrical disconnect switch. DRAININ. The heater must be drained if it is to be shut down and exposed t. freezing temperatures. Maintenance and service procedures may als. require draining the heater. 1. Turn off the heater electrical disconnect switch. 2. Close the cold water inlet valve to heater. 3. Open a nearby hot water faucet to vent the system. 4. Open the heater drain valve. 5. If the heater is being drained for an extended shutdown, it is suggeste. the drain valve be left open during this period. . Follow FILLING instructions when restoring hot water service. SEDIMENT REMOVA. Waterborne impurities consist of the particles of soil and sand whic. settle out and form a layer ...

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