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Page 24

SuRELight Control 56L84, 10M93, 32M88, 69M08

LED#1 = DS1 LED#2 = DS2

HEATING SEQUENCE OF OPERATION

NORMAL HEATING MODE

ABNORMAL HEATING MODE

CONTROL SELF−CHECK OKAY?

BURNER OFF?

(CONTINUOUS FLAME CHECK)

NORMAL OPERATION:

LED #1 −− SLOW FLASH
LED #2 −− SLOW FLASH

YES

YES

YES

GAS VALVE OFF. COMBUSTION AIR INDUCER OFF.

INDOOR BLOWER DELAY OFF.

LED #1 ON
LED #2 ON

(RESET CONTROL BY TURNING MAIN POWER OFF.)

POLARITY REVERSED.

LED #1 −− FAST FLASH

LED #2 −− SLOW FLASH

POWER ON

IS POLARITY REVERSED?

ROLLOUT SWITCH CLOSED?

THERMOSTAT CALLS FOR HEAT:

LED #1 −− FAST FLASH
LED #2 −− FAST FLASH

IS COMBUSTION AIR

PROVE SWITCH OPEN?

GAS VALVE OFF. COMBUSTION AIR INDUCER ON.

INDOOR BLOWER ON.

LED #1 −− ON. LED #2 −− SLOW FLASH.

SEQUENCE HOLDS UNTIL ROLLOUT SWITCH CLOSES.

GAS VALVE OFF. COMBUSTION AIR INDUCER ON.

INDOOR BLOWER ON HEATING SPEED.

LED #1 −− SLOW FLASH

LED #2 −− OFF

GAS VALVE OFF.

COMBUSTION AIR INDUCER OFF.

INDOOR BLOWER OFF WITH DELAY.

LED #1 OFF

LED #2 SLOW FLASH

(Sequence holds until pressure switch

closes or thermostat resets control.)

NO

NO

YES

NO

IS VOLTAGE

ABOVE 75 VOLTS?

LED SIGNALS WAITING ON CALL FROM

THERMOSTAT. CONTROL WILL NOT RESPOND 

UNTIL VOLTAGE RISES ABOVE 75 VOLTS.

NO

NO

NO

IS COMBUSTION AIR INDUCER 

ENERGIZED?

HAS COMBUSTION AIR PROVE SWITCH

CLOSED IN 2.5 MINUTES?

YES

YES

PROVE SWITCH IS IN WATCHGUARD MODE.

GAS VALVE OFF. COMBUSTION AIR INDUCER OFF.

INDOOR BLOWER OFF WITH DELAY.

LED #1 −− OFF. LED #2 −− SLOW FLASH.

IS 5-MINUTE RESET PERIOD COMPLETE?

NO

PRIMARY AND SECONDARY LIMIT SWITCH.

CLOSED?

YES

YES

CONTINUED NEXT PAGE

COMBUSTION AIR INDUCER OFF.

INDOOR BLOWER ON

LED #1 SLOW FLASH RATE

LED #2 −− ON

NO

YES

YES

NO

YES

Содержание G40DF?24A?045

Страница 1: ...dation only and do not supersede or replace local or state codes In the absence of local or state codes the guidelines and procedures outlined in this manual except where noted are recommended only an...

Страница 2: ...eating P f Model No G40DF 48C 090 G40DF 48C 110 G40DF 60C 110 G40DF 60D 135 eat g Performance Low NOx Model No 48C 090X 60C 110X Input Btuh 88 000 110 000 110 000 132 000 Output Btuh 71 000 89 000 90...

Страница 3: ...5M22 56L32 25W20 25W21 135 59M17 49L90 15M22 25W20 25W21 1 Required for proper operation at altitudes from 7501 to 10 000 ft NOTE G40DF X units do NOT require a manifold change due to elevation Manifo...

Страница 4: ...to unit with 1 in 25 mm cleanable filter not furnished field provided in place Also see Filter Air Resistance table G40DF 36B 090 PERFORMANCE External Static Air Volume Watts at Different Blower Speed...

Страница 5: ...79 1739 820 585 1526 720 503 1329 625 428 0 25 62 1844 870 662 1701 805 568 1502 710 488 1301 615 414 0 30 75 1802 850 645 1663 785 551 1477 695 473 1272 600 399 0 40 100 1693 800 606 1583 745 517 141...

Страница 6: ...1515 715 640 1435 675 555 G40DF 60D 135 PERFORMANCE External Static Air Volume Watts at Different Blower Speeds External Static Pressure High Medium High Medium Low Low in w g Pa cfm L s Watts cfm L...

Страница 7: ...dium Low Low in w g Pa cfm L s Watts cfm L s Watts cfm L s Watts cfm L s Watts 00 0 2660 1255 1379 2325 1095 1059 1960 925 864 1655 780 684 10 25 2560 1210 1353 2310 1090 1030 1945 915 840 1640 775 66...

Страница 8: ...ion Air Inducer Gasket Manifold Burner Gas Valve Flame Rollout Switches Flame Sensor Primary Limit Ignitor Heat Exchanger Ignitor Bracket Combustion Air Pressure Switch Combustion Air Orifice Gas Orif...

Страница 9: ...d repairable If control is inoperable sim ply replace entire control Can cause injury or death Unsafe operation will result if repair is attempted 3 SureLight Ignition Control A92 Figure 3 Control 56L...

Страница 10: ...mes with an inter purge and warm up time between trials of 35 seconds Af ter a total of five trials for ignition including the initial trial the control goes into Watchguard Flame Failure mode Af ter...

Страница 11: ...oard can be used with either electronic or electro mechanical thermostats with out modification The SureLight ignitor is made of durable silicon nitride Ignitor longevity is also enhanced by volt age...

Страница 12: ...e SureLight integrated con trol The unit is shipped with a factory fan off setting of 90 seconds Fan off time will affect comfort and is adjustable to satisfy individual applications For customized co...

Страница 13: ...n 2 1 2 minutes the control board goes into Watchguard Pressure Switch mode for a 5 min ute re set period After the 15 second pre purge period the ignitor warms up for 20 seconds during which the gas...

Страница 14: ...on air inducer ALTERNATING SLOW FLASH ALTERNATING SLOW FLASH Watchguard burners failed to ignite SLOW FLASH OFF Flame sensed without gas valve energized ON SLOW FLASH Rollout switch open OR 24V pin co...

Страница 15: ...and are matched with blower wheels with 2 set screws FIGURE 10 B Ignitor Location BURNERS FRONT VIEW MEASUREMENT IS TO I D OF RETENTION RING BRACKET Silicon nitride Mini Nitride A B 625 406 685 306 A...

Страница 16: ...well or White Rodgers The valve is internally redundant to assure safety shut off If the gas valve must be replaced the same type valve must be used 24VAC terminals and gas control knob or switch are...

Страница 17: ...sing by means of a flexible silicone hose It moni tors negative air pressure in the combustion air inducer housing The switch is a single pole single throw proving switch elec trically connected to th...

Страница 18: ...tructions To Turn Off Gas To Unit To Turn Off Gas To Unit 1 Set thermostat to lowest setting 2 Turn off all electrical power to unit if service is to be per formed 3 Remove access panel 4 Switch lever...

Страница 19: ...to the manometer The gas valve is factory set and should not require adjust ment All gas valves are factory regulated See specifica tions section of this manual for High Altitude manifold pres sure s...

Страница 20: ...sconnect ignition control flame sensor wire from the flame sensor 4 Connect lead of the transducer to flame sensor 5 Connect lead of transducer to the ignition control sen sor wire 6 Turn supply volta...

Страница 21: ...Seal around the hole when the check is complete D Blower Speed Taps Blower speed tap changes are made on the SureLight con trol board See figures 3 5 and 6 For controls 56L84 10M93 and 32M88 the heat...

Страница 22: ...at exchanger leaks Replace all screws to the collector box and com bustion air inducer Leaving off screws may cause leaks 13 Clean burner by running a vacuum with a soft brush at tachment over face of...

Страница 23: ...or control goes into 5 minute Watchguard Pressure Switch delay Once S18 closes a 15 second pre purge follows 4 SureLight control A92 energizes ignitor A 20 second warm up period begins 5 Gas valve ope...

Страница 24: ...DS UNTIL ROLLOUT SWITCH CLOSES GAS VALVE OFF COMBUSTION AIR INDUCER ON INDOOR BLOWER ON HEATING SPEED LED 1 SLOW FLASH LED 2 OFF GAS VALVE OFF COMBUSTION AIR INDUCER OFF INDOOR BLOWER OFF WITH DELAY L...

Страница 25: ...HAS CONTROL FAILED TO SENSE FLAME FOR FIVE CONSECUTIVE TRIES DURING A SINGLE HEAT DEMAND WATCHGUARD MODE GAS VALVE OFF COMBUSTION AIR INDUCER OFF INDOOR BLOWER OFF WITH DELAY LEDs SIGNAL WATCHGUARD FA...

Страница 26: ...EMAINS UNCHANGED THROUGHOUT COOLING CYCLE THERMOSTAT CALLS FOR COOLING COMPRESSOR CONTACTOR ENERGIZED AND SYSTEM FAN ENERGIZED Control 69M08 ONLY will have a 2 second delay COOLING SPEED and EAC TERM...

Страница 27: ...W THERMOSTAT CALLS FOR COOLING THERMOSTAT OPENS SYSTEM FAN SWITCHED TO COOLING SPEED EAC TERMINAL REMAINS ENERGIZED THERMOSTAT OPENS CONTROL G ENERGIZES SYSTEM FAN AT HEATING SPEED EAC TERMINAL ENERG...

Страница 28: ...to 5 minute Watchguard Pressure Switch delay Once S18 closes a 15 second pre purge follows 4 Ignition control A92 energizes ignitor A 20 second warm up period begins 5 Gas valve opens for a 4 second t...

Страница 29: ...M OF 1 SECOND GAS VALVE OFF COMBUSTION AIR INDUCER ON INDOOR BLOWER ON HEATING SPEED LED 1 SLOW FLASH LED 2 OFF GAS VALVE OFF COMBUSTION AIR INDUCER OFF INDOOR BLOWER OFF WITH DELAY LED 1 OFF LED 2 SL...

Страница 30: ...DE GAS VALVE OFF COMBUSTION AIR INDUCER OFF INDOOR BLOWER OFF WITH DELAY LEDs SIGNAL WATCHGUARD FAILURE CODE IS 60 MINUTE RESET PERIOD COMPLETE YES 4 SECONDS YES HAS CONTROL RESET IGNITION SEQUENCE FO...

Страница 31: ...OUGHOUT COOLING CYCLE THERMOSTAT CALLS FOR COOLING COMPRESSOR CONTACTOR AND SYSTEM FAN ENERGIZED WITH 2 SECOND DELAY COOLING SPEED EAC TERM ENERGIZED COMPRESSOR OFF THERMOSTAT OPENS SYSTEM FAN AND EAC...

Страница 32: ...ED THERMOSTAT CALLS FOR HEAT W THERMOSTAT CALLS FOR COOLING THERMOSTAT OPENS SYSTEM FAN SWITCHED TO COOL SPEED EAC TERM REMAINS ON THERMOSTAT OPENS MANUAL FAN SELECTION MADE AT THERMOSTAT CONTROL G EN...

Страница 33: ...the top button ACTION 2 Determine the cause of the roll out switch activation before leaving furnace code LED 1 O 1 2 2 Roll out switch failure ACTION 1 Check continuity across roll out switch Replace...

Страница 34: ...BLEM 2 UNIT FAILS TO FIRE IN THE HEATING MODE COMBUSTION AIR BLOWER DOES NOT ENERGIZE Condition Possible Cause Corrective Action Comments 2 1 Unit operates with a cooling or contin uous fan demand Com...

Страница 35: ...h a heating demand Diagnostic lights flash the pressure switch failure code 2 5 minutes after heating demand 3 1 2 Prove switch does not close due to obstructions in the pressure lines ACTION 1 Remove...

Страница 36: ...switch code LED 1 Off LED 2 Slow Flash 5 1 1 Low pressure differential at the prove switch ACTION 1 Check for restricted exhaust vent Remove all blockage ACTION 2 Check for proper vent sizing See ins...

Страница 37: ...the center of the heat exchanger openings Cor rect the location of the burners if necessary 5 4 Combustion air inducer energizes with a heating demand B li ht hl d th it 5 4 1 Poor Venting ACTION 1 Ch...

Страница 38: ...Action Comments 7 0 Indoor blower fails to operate in continuous fan cooling or heating mode 7 1 1 Miswiring of furnace or improper connections at control or indoor blower motor ACTION 1 Correct wirin...

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