Bradford White 46392H Скачать руководство пользователя страница 33

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Trouble Shooting Guide continued-

PROBLEM CAUSE

SOLUTION

Insufficient hot
water

Aquastat setting
too low

Adjust aquastat to higher
setting. See Section VII

Undersized boiler
with no priority to
domestic hot water

Rewire for priority

Peak use of hot
water is greater
than tank storage
capacity

Determine peak usage
and compare to tank
capacity

Faulty tank
aquastat

Replace aquastat

Boiler cycles
more than 5
times per day
in summer

Excessive demand

Reduce demand or
consider larger tank

Faulty aquastat

Replace aquastat

Boiler high limit
set too low

Increase boiler high limit
setting

Содержание 46392H

Страница 1: ...ATION OPERATING MANUAL WITH PARTS LISTING AND TROUBLESHOOTING GUIDE For your family s comfort safety and convenience we recommend this water heater be installed and serviced by a plumbing professional...

Страница 2: ...water heater We require that you carefully read this manual as well as the enclosed warranty and refer to it if questions arise If you have any specific questions concerning your warranty please cons...

Страница 3: ...nt in the water A water softening system is recommended for areas with hard water In areas where water quality is unknown a qualified water treatment expert should be consulted NOTICE Damage to tanks...

Страница 4: ...or local regulations The following terms are used throughout this manual to bring attention to the presence of hazards of various risk levels or to important information concerning product life DANGER...

Страница 5: ...ground level will serve as pockets for accumulation of leaking gas This water heater is supplied with an adjustable thermostat to control water temperature Hot water temperatures required for automat...

Страница 6: ...r heater contains components that become very hot Do not touch any components unless they are cool Improper installation adjustments alteration service or maintenance can cause property damage persona...

Страница 7: ...rt has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system that was under water This water heater is suitable for in...

Страница 8: ...1 Heater Layout 40 52 75 single exchanger models Table 1 Water Heater Dimension Inches MODEL A B C D E F G 40 Gal 24 5 9 1 2 19 24 5 8 35 1 4 35 1 2 52 Gal 24 5 9 1 2 19 28 3 8 45 5 8 45 7 8 75 Gal 2...

Страница 9: ...9 Specifications continued Figure 2 Tank Layout 120 gallon model...

Страница 10: ...3 000 8 0 75 Gal 225 165 0 5 113 000 8 0 120 Gal 360 280 0 6 195 000 11 0 NOTE These certified ratings were obtained with a heat source output and flow rate as specified in Table 3 and a 180 F boiler...

Страница 11: ...eated tank volume at 4 gallons per minute flow rate The maximum heat transfer through the coil heat input of the water heater at 240 F boiler water supply temperature and 210 F potable water temperatu...

Страница 12: ...fe by the U S Food and Drug Administration FDA The pressure of the heat transfer medium is maintained less than the normal minimum operating pressure of the potable water system ADJUSTABLE THERMOSTAT...

Страница 13: ...temperature and pressure relief valve must be marked with a maximum set pressure not to exceed the maximum working pressure of the water heater The combination temperature and pressure relief valve mu...

Страница 14: ...harged from the temperature and pressure relief valve will exit within six 6 inches above or any distance below the structural floor and cannot contact any live electrical part The discharge line is t...

Страница 15: ...SIZING 1 Boiler DOE Heating Capacity The indirect fired water heater will provide the rated performance only if used in conjunction with a heat source with a DOE heating capacity Heat Output at least...

Страница 16: ...ting system The domestic hot water zone s piping and circulator must be sized for a minimum flow rate with all zones in use and a maximum flow rate with only the water heater in use For this reason th...

Страница 17: ...heating load Component Location Minimum Clearance from Combustible Materials Top Sides Front Rear 0 0 0 0 Table 6 Minimum Combustible Material Clearances Recommended Service Clearances Non Piping Side...

Страница 18: ...in a closed water supply system such as one having a back flow preventer in the cold water line provide thermal expansion control Contact the water supplier or local plumbing inspector for additional...

Страница 19: ...MPERATURE AND PRESSURE RELIEF VALVE WILL RELEASE THE MANUFACTURER FROM ANY CLAIM WHICH MIGHT RESULT FROM EXCESSIVE TEMPERATURE AND PRESSURES Keep clear of the temperature and pressure relief valve dis...

Страница 20: ...nes open the main water supply valve and fill the water heater While the water heater is filling open several hot water faucets to allow air to escape from the water system When steady streams of wate...

Страница 21: ...in the system Pipe and fittings between the boiler and indirect fired water heater must be diameter or larger Figure 3 Water Boiler Piping with Zone Valves 2 For a space heating system that utilizes C...

Страница 22: ...iler installation manual or contact the boiler manufacturer for an appropriate piping diagram The use of a union shut off valves and a drain valve is recommended for future service convenience The use...

Страница 23: ...m of a steam boiler can be 50 F lower than the boiler s water temperature limit setting during such periods FILL BOILER SYSTEM 1 On new boiler installations do not purge the boiler or space heating sy...

Страница 24: ...y additional wiring is required The control is factory set at 120 F 49 C and care should be made to not rotate this dial while wiring the control Once electrical connections are complete secure the aq...

Страница 25: ...25 Electrical Connections continued AT NO TIME SHOULD WATER HEATER OPERATION TAKE PLACE WITHOUT THE COVER ON THE CONTROL Figure 6 Aquastat Control...

Страница 26: ...cts open stopping boiler operation c Domestic hot water priority only Normally closed contacts close returning boiler control to space heating WARNING Water heaters are heat producing appliances To av...

Страница 27: ...a mixing hot and cold water supply in the water system This valve will reduce point of discharge temperature in branch supply lines Such valves are available from the manufacturer of this water heater...

Страница 28: ...ch in this window IT IS NOT NECESSARY TO REMOVE THE COVER TO ADJUST THE TEMPERATURE SETTING THE AQUASTAT COVER SHOULD NEVER BE REMOVED WITHOUT ELECTRICITY BEING FIRST DISCONNECTED Figure 8 Aquastat Co...

Страница 29: ...faucet to determine if further adjustment is necessary Adjusting to a higher temperature may not immediately affect water temperature If a heat up cycle begins allow the heat up cycle to complete befo...

Страница 30: ...elief valve should be checked to ensure that it is in operating condition To check the relief valve lift the lever at the end of the valve several times The valve should seat properly and operate free...

Страница 31: ...PERATURE AND PRESSURE RELIEF VALVE THIS IS NOT A SOLUTION AND CAN CREATE A HAZARDOUS SITUATION 3 Sediment Annual but harsh water quality may dictate more frequent service Depending on water conditions...

Страница 32: ...Check power supply Replace as necessary Electrical problem relay wiring etc Check fuse and replace Check circuit breaker and reset if applicable Check power supply Scale build up If boiler circulator...

Страница 33: ...to domestic hot water Rewire for priority Peak use of hot water is greater than tank storage capacity Determine peak usage and compare to tank capacity Faulty tank aquastat Replace aquastat Boiler cyc...

Страница 34: ...34 SECTION X PARTS LIST PART NAME DESCRIPTION 1 Temperature and Pressure Relief Valve 4 Nipple NPT x 2 2 Aquastat Well 5 Drain Return Valve 3 Aquastat 6 Anode...

Страница 35: ...534 B1 5 341 770 4 416 222 4 628 184 4 669 448 4 672 919 4 808 356 4 829 983 4 861 968 4 904 428 5 000 893 5 023 031 5 052 346 5 081 696 5 092 519 5 115 767 5 199 385 5 277 171 5 372 185 5 485 879 5 5...

Страница 36: ...36 NOTES...

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