Laars HWG-M2-250 Скачать руководство пользователя | Manualshive

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Page 6

LAARS Heating Systems

Figure 3. Air/Fuel Flow Through Heatmaker 9600.

43

INTAKE

TERMINAL

50

WALL

PLATE

AIR

INTAKE

45

WALL

PLATE

44

EXHAUST

TERMINAL

EXHAUST

AIR

ORIFICE

GAS

ORIFICE

GAS

1

COMBUSTION
COIL

2

ECONOMIZER

7

FLAMEHOLDER

46

EXHAUST

ASSEMBLY

CONDENSATE

REFERENCE PAGE 8 FOR PART NUMBERS

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Содержание HWG-M2-250

Страница 1: ...r installation and or operation will void the warranty WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property damage personal injury or loss...

Страница 2: ...h 10 1G BoilerControl 10 1H Stack Switch 11 1I Igniter 11 1J Transformer 11 1K Unit Pump 11 1L Blower 11 1M GasValve 11 1N TimeDelayRelay TDR 11 1O OperatingControl 11 1P VentTCO 12 1Q IntakeTCO 12 1R...

Страница 3: ...ondensation temperature of the water vapor in the flue gases A circulator is built into the unit to provide enough head to circulate water through the H X s and to a secondary heating loop or separate...

Страница 4: ...pical D Combustion Coil Outlet E Hot Water Outlet To Tank or System 160 170 F Typical 160 FTHERMOSTAT Figure 2a Water Flow through a Heatmaker 9600 HWG Before S N 394 068 CB Before S N 795 0014 THERMO...

Страница 5: ...urner 8 Secondary Heat Exchanger 9 Primary Heat Exchanger 10 Return From Primary Loop 11 Gas Valve 12 Flow To Primary Loop A Secondary Heat Exchanger Inlet B Secondary Heat Exchanger Outlet C Primary...

Страница 6: ...ow Through Heatmaker 9600 43 INTAKE TERMINAL 50 WALL PLATE AIR INTAKE 45 WALL PLATE 44 EXHAUST TERMINAL EXHAUST AIR ORIFICE GAS ORIFICE GAS 1 COMBUSTION COIL 2 ECONOMIZER 7 FLAMEHOLDER 46 EXHAUST ASSE...

Страница 7: ...9600 CB HWG Service Manual Page 7 Figure 4 Cut Away View of Heatmaker 9600 Figure 5 Control Box...

Страница 8: ...nd input desired Part Description Part 23 Jacket Front Removeable 10 402 24 Jacket Top 10 406 25 Jacket Bottom 10 010 26 Control Boiler Integrated 2400 224 27 Transformer 40 VA 2400 006 28 Time Delay...

Страница 9: ...minal and at least 6 152mm into the flue pipe The unit must operate for 5 minutes before taking a sample Take a sample and determine the CO2 or O2 CO2 8 to 8 5 natural gas O2 7 to 6 CO2 9 to 9 8 propa...

Страница 10: ...ostatically controlled device which keeps the primary heat exchanger H X from operating in the condensing mode When return water from the storage tank or the system is below 130 F 54 C the diverting v...

Страница 11: ...d unplug the power wires from the blower motor Disconnect intake exhaust vents and remove top jacket Remove the six bolts and nuts from the blower discharge flange and the four nuts from the blower in...

Страница 12: ...n the gas valve The gas supply to the boiler must be shut off before making this connection The Heatmaker boiler is designed to operate with supply pressures of 4 14 in W C 8 1 oz in2 with the boiler...

Страница 13: ...se the flame signal The control then causes a restart and if the flame signal is sensed on the restart then the burner will operate again The intermittent sending and losing of the flame signal by the...

Страница 14: ...solution is no longer foamy 7 Shut off pump and disconnect from hose Carefully drain solution from hoses and connect city water to lower hose to flush combustion coil Flush for approximately 5 minutes...

Страница 15: ...on and no indicator lights are flashing check for an open vent TCO operating control or safety limit switch For additionaltroubleshootinginformationrefertothe trouble shooting flow charts on the page...

Страница 16: ...VOLTAGE 120 VAC BETWEEN BLACK AND WHITE WIRES AT BACK OF 120 VAC CONNECTORON BOILERCONTROL DIDBOILERRUNTHROUGHA COMPLETE CYCLE AS DE SCRIBED IN SEQUENCE OF EVENTS PAGE 20 TESTLIMIT CIRCUIT PAGE 17 PUM...

Страница 17: ...OHMSCALE CONTINUITY CONTINUITY CONTINUITY NOCONTINUITY OHMS NOCONTINUITY TESTING LIMIT CIRCUIT YOU MUST COMPLETE PAGE 16 FIRST NOTE AFTER COMPLETEING LIMIT CIRCUIT TESTING PLUG IN CONTROL PLUG AND REC...

Страница 18: ...EAVESETC AGAINST VENTTERMINAL CYCLE BOILER MANY TIMES TO TRY TO CREATE A MALFUNCTION CLEAR BLOCKAGE AND RECYCLEBOILER CHECKSTACKSWITCH BLOCKAGE EXISTS NO BLOCKAGE NO YES YES NO RED PURGE LIGHT FLASHIN...

Страница 19: ...TSTACKSWITCH TUBES AND CHECK FOR CONTINUITYBETWEENSTACK SWITCHTERMINALSWITH BLOWEROPERATING CHECKFORVENTOBSTRUCTIONS CLEAROBSTRUCTIONS RECONNECTTUBES ELEC TRICALWIRESTOSTACK SWITCH START BOILER RUN TH...

Страница 20: ...SSURETAP ON GAS VALVE PRESSURE DURING BLOWER OPERATIONWITHOUTGASFLOW VALVE FLAME LIGHT NOT LIT IS 4 IN W C CHECK FOR VOLTAGE 120 VAC ATBLOWERWIRECONNECTOR WITHIN5MINS AFTERGREEN LIGHT BLOWER O K REPLA...

Страница 21: ...G LITE CHECKCOMBUSTION CHECKIGNITER IGNITEROK CHECK FOR GAS FLOW IS METER MOVING REPLACE IGNITER REPLACEINTEGRATEDBOILERCONTROLP N2400 224 INSTALL CORRECT ORIFICES BOILERCYCLESTHROUGHTHREECYCLESAFTER...

Страница 22: ...L PLUG CN6 THERE IS 120 VAC AT CIRCULATOR PLUG CN5 TURNUPT STATORAQUASTATOR CORRECTSTATPROBLEM NO YES NO YES SEETROUBLESHOOTING CHART PAGE 16 THERE IS 120 VAC AT PUMP REPLACEBOILER CONTROLP N2400 224...

Страница 23: ...23 Figure 9 9600 Ladder Diagram Figure 10 9600 Wiring Diagram Caution Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify pr...

Страница 24: ...sure of 9 3 Remove blower and inspect flameholder burner for hole 4 Check that the blower flanges and gas piping are sealed D OCCASIONAL LOCKOUTS Requires interruption of power to re start or reset of...

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