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GBT A2-035, Инструкция по установке и эксплуатации

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WIRING DIAGRAM 

A2000 Water Heater Models 

 
 
 
 
 
 
 
 
 
 
 
 
 

Содержание A2-035

Страница 1: ...d exactly a fire or explosion may result causing property damage personal injury or death FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors and liquids or other combustible materi...

Страница 2: ...ghly review and understand this manual and perform service and repairs strictly in accordance with the manufacturer s service instructions Gas Supplier A natural gas or propane Utility or service comp...

Страница 3: ...Procedure Operation MAINTENANCE INSPECTION 22 Heat Exchanger Burner Pilot Flame Gas Manifold Pressure Vent System Burner Flue Passageway Pressure Relief Valve High Temperature Switch Flow Switch Heat...

Страница 4: ...ance provides excellent heat transfer and a small footprint The heat exchanger resists build up of lime scale and allows de liming without disassembly of the unit DIMENSIONS SPECIFICATIONS Model A B C...

Страница 5: ...Hot Water Boilers Latest Edition ANSI Z21 10 3 CSA 4 3 Gas Water Heaters Latest Edition All A2000 models are ASME National Board Approved and are constructed in accordance with Section IV of the ASME...

Страница 6: ...must conform to the requirements of the authority having jurisdiction or in the absence of such requirements to the National Fuel Gas Code ANSI Z223 1 NFPA 54 Latest Edition and the National Electric...

Страница 7: ...7 The boiler heater shall be protected from freezing Heat exchangers damaged by freezing shall not be considered for warranty 8 The unit must be located where condensation or leakage from the heat ex...

Страница 8: ...boiler failure Canadian Installations All combustion air must be drawn from outside the building The mechanical equipment room must communicate directly with the outdoors Refer to CGA B149 Installati...

Страница 9: ...too small request the gas company install equipment with adequate capacity The allowable pressure loss in gas piping between the gas meter or service regulator and each appliance is generally between...

Страница 10: ...e gas supply piping must be adequately supported by using hangers or other suitable types of support Do not use the boiler heater gas train to support the gas supply piping The boiler heater and its g...

Страница 11: ...safety device to prevent excessive pressure and temperature Excessive pressure may be caused by the expansion of water when it is heated in a closed system A closed system is one that has a check val...

Страница 12: ...thermometers should be obtained and field installed as shown in the DIAGRAMS section Water Chemistry Water that is very soft very hard having a high total dissolved solids TDS or an acidic or alkaline...

Страница 13: ...ed for outdoor vent sections in cold climates to reduce condensation Observe clearances in accordance with applicable codes from all combustible materials Use insulated venting or vent pipe spacers wh...

Страница 14: ...etween the unit and vent stack from electric meters gas meters regulators and relief equipment no part of the unit or venting may be directly above or below electric meters gas meters or regulators A...

Страница 15: ...as lines feeding the heater boiler were opened to the atmosphere during installation or service air in the gas lines must be purged before operating the unit Before purging gas lines ensure electrical...

Страница 16: ...automatic gas valves NOTE Depending upon the model your heater boiler may be equipped with one or two automatic gas valves 8 Install water temperature measurement thermometers in the water inlet and o...

Страница 17: ...ur qualified service technician or gas supplier 5 Check for gas leaks in the gas train assembly using soap and water or an appropriate leak check fluid DO NOT use an open flame to check for gas leaks...

Страница 18: ...problem with the drafting or make up air o Draft Gauge A draft pressure gauge can be inserted into the vent pipe directly above the draft hood The draft gauge must show a constant negative pressure 12...

Страница 19: ...short cycling Water heaters are expected to operate at temperatures between 120 F and 155 F 49 to 68 o C Water boilers can operate with return water temperature up to 190 F 88 o C and a supply tempera...

Страница 20: ...tch can be changed using the adjustment screw located under the electrical house cover of the switch Rotate the screw clockwise to increase the flow set point counter clockwise to decrease the flow se...

Страница 21: ...5 VAC 115 VAC Impeller 3 7 8 3 7 8 3 7 8 4 5 8 4 3 4 4 3 4 GRUNDFOS UP26 96BF UP43 75BF Not Available Not Available Not Available Not Available Horsepower 1 12 1 6 RPM 3450 3450 Electric 115 VAC 115 V...

Страница 22: ...nd 2 0 inches w c in the LOW fire mode approximately 70 of nameplate input The electronic controller is factory set with both stages in Heating Mode with Stage 2 set for HIGH fire and Stage 1 set for...

Страница 23: ...or incorrect gas manifold pressure Refer to the burner and pilot flame Figure in the START UP Section of this manual Gas Manifold Pressure Check the gas manifold pressure at least once per year to mak...

Страница 24: ...conduct this test Ensure all operating and safety controls are put back into proper operation before putting the heater boiler back into service Flow Switch The water Flow Switch should be checked ann...

Страница 25: ...t fans such as range hoods and bathroom exhausts so they will operate at maximum speed Don not operate a summer exhaust fan Close fireplace dampers d Place in operation the appliance being inspected F...

Страница 26: ...ctrical Power Supplied To the Appliance Should Be Interrupted If The Power Is Not Stopped At The Desired Operating Temperature Correct The Wiring Or Replace The Defective Temperature Switch The Unit W...

Страница 27: ...operly Grounded Remove The Burner Assembly And Inspect The Pilot Burner Assembly Clean Any Residue From The Spark Rod and Striking Plate With a Scotch Brite Pad Use A 1 8 Drill Bit to Make Sure The Ga...

Страница 28: ...ged Cover The Burner And Controls And Clean The Heat Exchanger With A Wire Brush Or High Pressure Water Prevent Future Fouling Of The Heat Exchanger By Preventing Condensation Or Removing Contaminants...

Страница 29: ...Stack Temperature Over 450 o F A Water Temperature Rise Through The Heat Exchanger More Than 5 o F 3 o C Rise Higher Than Originally Set Or Trouble Proving Water Flow Excessive Scaling Inside The Hea...

Страница 30: ...Page 29 DIAGRAMS...

Страница 31: ...Page 30...

Страница 32: ...perature reading at the T P Gauge is about 80 o F higher than the temperature measured at Thermometer A The Heater Boiler must be firing continuously during this adjustment Thermometer readings may be...

Страница 33: ...Page 32 WIRING DIAGRAM A2000 Water Heater Models...

Страница 34: ...Page 33 WIRING DIAGRAM A2000 Boiler Models...

Страница 35: ...Page 34 WIRING DIAGRAM A2000 CSD 1 Boiler Models...

Страница 36: ...Page 35 A2000 WITH CONSTANT PUMP OPERATION A2000 WITH ON OFF PUMP OPERATION...

Страница 37: ...Page 36 A2000 WITH INFITEC PUMP DELAY...

Страница 38: ...Page 37 A2000 PARTS LIST 1 17 19 15 23 22 21 20 18 16 4 2 Gas Train Components Differ By Model 7 14 5...

Страница 39: ...P W5501104 NG Gas Pressure Regulator 1 1 4 RV81 A2 097 NG W5501108 LP Gas Pressure Regulator 1 1 4 RV81 A2 097 LP W5501105 NG Gas Pressure Regulator 1 1 2 RV81 A2 120 140 NG W5501109 LP Gas Pressure R...

Страница 40: ...op Outer Lid Stainless A2 070 W4501021 Top Outer Lid Stainless A2 097 W4501023 Top Outer Lid Stainless A2 120 W4501024 Top Outer Lid Stainless A2 140 16 W4501306 Outer Jacket Stainless A2 035 W4501307...

Страница 41: ...01086 Inner Jacket A2 050 W4501087 Inner Jacket A2 070 W4501089 Inner Jacket A2 097 W4501088 Inner Jacket A2 120 140 23 W5501088 Flue Baffle Cone A2 035 W5501041 Flue Baffle Cone A2 050 W5501040 Flue...

Страница 42: ...surroundings or personal injury resulting from the failure of any control or safety device is not covered under this warranty nor is the liability for such assumed by the manufacturer This warranty c...

Страница 43: ...ty covers only water boilers installed adjusted or maintained in accordance with the installation and operating instructions and all applicable state and local plumbing electrical and building codes o...

Страница 44: ......

Страница 45: ...s and the various gas and electrical connections Make sure the packing slip matches the total number of pieces received If the unit is not to be installed immediately it must be protected from the wea...

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