Lennox ML193UH045P36B Скачать руководство пользователя страница 13 | Manualshive

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Page 13

FIGURE 9

Y

W

C

Y

W

R

R

G

C

G

TWIN

TWIN

TWIN 2

TWIN 1

ISOLATION
RELAY

TWO-STAGE THERMOSTAT

Call For Cool

Call For Fan

Call For 1st

Stage Heat

Call For 2nd

StageHeat

R

Y

G

W1

W2

Y

W

C

Y

W

R

R

G

C

G

TWIN

TWIN

TWIN 2

TWIN 1

ISOLATION
RELAY

Call For Cool

Call For Fan

Call For Heat

R

Y

G

W

SINGLE STAGE THERMOSTAT

FIELD WIRING FOR TWINNING THE ML193UH

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Содержание ML193UH045P36B

Страница 1: ...ailed description on how this is done All specifications are subject to change Procedures out lined in this manual are presented as a recommendation only and do not supersede or replace local or state...

Страница 2: ...according to FTC labeling regulations Isolated combustion system rating for non weatherized furnaces SPECIFICATIONS Gas Heating Performance Model No ML193UH090P48C ML193UH110P48C ML193UH110P60C ML193...

Страница 3: ...2 in 44W92 44W92 3 in 44W93 44W93 Flush Mount 2 2 1 2 or 3 in 51W11 51W11 51W11 Wall Close Couple US 2 in 22G44 3 in 44J40 44J40 44J40 Wall Close Couple WTK Canada 2 in 30G28 3 in 81J20 81J20 81J20 T...

Страница 4: ...1225 480 1030 405 0 80 1415 615 1265 510 1125 445 980 385 0 90 1270 565 1165 470 1060 420 900 350 ML193UH110P48C PERFORMANCE Less Filter External Static Pressure in w g Air Volume Watts at Various Blo...

Страница 5: ...80 1660 855 1505 710 1290 585 0 90 1735 1135 1620 830 1450 685 1270 575 1665 1130 1520 810 1415 675 1210 560 ML193UH135P60D PERFORMANCE Less Filter External Static Pressure in w g Air Volume Watts at...

Страница 6: ...ASSEMBLY CONTROL BOX includes integrated control transformer and interlock switch COMBUSTION AIR INDUCER BLOWER ACCESS DOOR BURNER ACCESS PANEL COMBUSTION AIR PRESSURE SWITCH PRIMARY LIMIT GAS VALVE...

Страница 7: ...gnition control system consists of an integrated con trol figure 4 ignitor figure 10 and flame sensor figure 10 The integrated control and ignitor work in combination to ensure furnace ignition and ig...

Страница 8: ...line voltage conditions Fan Control The fan on time of 30 seconds is not adjustable The fan off delay amount of time that the blower operates after the heat demand has been satisfied may be adjusted...

Страница 9: ...lame 5 times during single heating demand SLOW FLASH OFF Flame sensed without gas valve energized ON SLOW FLASH Rollout switch open OR 12 pin connector improperly attached ON ON OFF ON OFF ON Circuit...

Страница 10: ...ds of trial for ignition If ignition is not proved during the trial for ignition the integrated control will try four more times with an inter purge and warm up time between trials of 30 seconds After...

Страница 11: ...g Speed 120VAC Blower Heating Speed 120VAC Dead terminals to park alternate spd taps Continuous blower Neutral terminals 120VAC PUSH BUTTON LED TWIN TWIN Twinning Terminal 24VAC DEMAND CAI GAS VALVE 1...

Страница 12: ...NO JUMPER FIGURE 8 60 90 120 180 60 90 120 180 60 90 120 180 60 90 120 180 60 Second off Time 90 Second off Time 120 Second off Time 180 Second off Time Twinning 2 ML193UH Furnaces Integrated control...

Страница 13: ...TWO STAGE THERMOSTAT Call For Cool Call For Fan Call For 1st Stage Heat Call For 2nd StageHeat R Y G W1 W2 Y W C Y W R R G C G TWIN TWIN TWIN 2 TWIN 1 ISOLATION RELAY Call For Cool Call For Fan Call F...

Страница 14: ...sor can be removed for service with out removing any part of the burners During operation flame is sensed by current passed through the flame and sensing electrode The ignition control allows the gas...

Страница 15: ...then the problem is with the wiring between the jack plug and the control If reading is not correct the issue is the ignitor Test 3 Check ignitor for correct voltage Insert meter probes into terminals...

Страница 16: ...secondary heat exchangers and exhausted out the exhaust vent pipe 6 Burners Figure 13 All units use inshot burners Burners are factory set and do not require adjustment Burners can be removed as an a...

Страница 17: ...header box The switch monitors across the combustion air inducer orifice to insure proper flow through the heat exchanger The switch is a SPST N O prove switch electrically con nected to the integrat...

Страница 18: ...be the pressure differential The pressure differential should be greater than those listed in table 10 5 Remove thermostat demand and allow to cycle off 6 Remove manometer and tee s Reinstall combus t...

Страница 19: ...TM SPECIFICATION PVC CPVC Primer F656 PVC Solvent Cement D2564 CPVC Solvent Cement F493 ABS Solvent Cement D2235 PVC CPVC ABS All Purpose Cement For Fittings Pipe of the same material D2564 D2235 F493...

Страница 20: ...in take pipe to the connector if desired Use a drill or self tap ping screw to make a pilot hole DANGER DANGER OF EXPLOSION Fumes from PVC glue may ignite during system check Allow fumes to dissipate...

Страница 21: ...ML193UH furnace replaces a furnace which was commonly vented with another gas appliance the size of the existing vent pipe for that gas ap pliance must be checked Without the heat of the original furn...

Страница 22: ...pe in these applications NOTE The exhaust collar on all models is sized to accom modate 2 Schedule 40 vent pipe In horizontal applica tions any transition to exhaust pipe larger than 2 must be made in...

Страница 23: ...090 110 135 045 070 090 110 135 045 070 090 110 135 1 73 58 42 22 n a 105 90 64 39 n a 121 121 114 114 105 2 68 53 37 17 100 85 59 34 116 116 109 109 100 3 63 48 32 12 95 80 54 29 111 111 104 104 95 4...

Страница 24: ...gth of 2 PVC pipe possible NOTE Exhaust pipe and intake pipe must be the same diameter or FIGURE 23 TRANSITION SIDE VIEW 2 2 2 2 or TYPICAL EXHAUST PIPE CONNECTIONS IN HORIZONTAL DIRECT OR NON DIRECT...

Страница 25: ...use the shortest length of 2 PVC pipe possible NOTE Intake and exhaust pipe must be the same diameter or FIGURE 25 TYPICAL AIR INTAKE PIPE CONNECTIONS IN HORIZONTAL DIRECT VENT APPLICATIONS RIGHT HAN...

Страница 26: ...ZONTAL NON DIRECT VENT APPLICATIONS Horizontal Right Hand Air Discharge Application Shown INTAKE DEBRIS SCREEN Provided OR NOTE Debris screen may be positioned straight out preferred or with an elbow...

Страница 27: ...ons combustion air is taken from outdoors and the flue gases are discharged to the out doors The ML193UH is then classified as a direct vent Category IV gas furnace In both Non Direct Vent and Direct...

Страница 28: ...32 28 40 35 0 to 20 18 to 29 2 in 10 9 20 18 30 28 24 24 N A N A 2 1 2 in 8 N A 14 N A 20 N A 32 N A N A N A 3 in 4 3 10 8 16 14 26 23 30 26 1Refer to 99 Minimum Design Temperature table provided in t...

Страница 29: ...y inlet Clearance above paved sidewalk or paved driveway located on public property Clearance under veranda porch deck or balcony 12 Equal to or greater than soffit depth 3 feet 9m 12 3 feet 9m within...

Страница 30: ...ve paved sidewalk or paved driveway located on public property Clearance under veranda porch deck or balcony 12 7 feet 2 1m 3 feet 9m within a height 15 feet 4 5m above the meter regulator assembly 3...

Страница 31: ...On roof terminations the intake piping should termi nate straight down using two 90 elbows See figure 33 4 Exhaust piping must terminate straight out or up as shown A reducer may be required on the e...

Страница 32: ...ed FIELD PROVIDED REDUCER MAY BE REQUIRED TO ADAPT LARGER VENT PIPE SIZE TO TERMINATION EXHAUST VENT 1 1 2 38mm accelerator provided on 71M80 44W92 kits for ML193UH045P24B 070P24B 070P36B EXHAUST VENT...

Страница 33: ...227 mm Min 12 305 mm Min 16 405 mm Max 6 152 mm Max 6 152 mm Min 24 610 mm Max 9 227 mm Min 12 305 mm Min 20 508 mm Max 6 152 mm Max Intake Elbow WALL SUPPORT B A D E B D E A ALTERNATE TERMINATIONS TE...

Страница 34: ...p of chimney and terminate as illus trated In any exterior portion of chimney the exhaust vent must be insulated FIGURE 43 STRAIGHT CUT OR ANGLE CUT IN DIRECTION OF ROOF SLOPE EXHAUST VENT 1 2 13mm WE...

Страница 35: ...length above the condensate drain outlet connection Any length above 5 may re sult in a flooded heat exchanger if the combined pri mary drain line were to become restricted NOTE In horizontal applicat...

Страница 36: ...n FurnaceCondensate DrainConnection From Evaporator Coil Optional Condensate Trap With Optional Overflow Switch FIGURE 49 ML193UH with Evaporatoir Coil Using a Separate Drain Unit shown in horizontal...

Страница 37: ...ndensate drain outlet must be vented to relieve pressure in or der for the furnace pressure switch to operate properly FIGURE 51 ML193UH with Evaporator Coil Using a Common Drain Unit shown in horizon...

Страница 38: ...Condensate Drain Connection In Unit Vent To Drain Condensate Drain Connection In Unit Optional Condensate Drain Connection OptionalDrainPipingFromTrap DrainTrapAssembly Furnished DrainTrap Assembly w...

Страница 39: ...y for 3 4 inch Drain Pipe 90 Street Elbow 1 2 inch PVC Not Furnished Condensate Drain Connection In Unit Adapter 1 2 inch slip X 1 2 inch mpt Not Furnished Condensate Drain Connection In Unit Vent To...

Страница 40: ...int the trap should be primed with suffi cient water to ensure proper condensate drain opera tion WARNING If you do not follow these instructions exactly a fire or explosion may result causing propert...

Страница 41: ...al 2 cu ft DIAL 045 80 160 200 400 070 55 110 136 272 090 41 82 102 204 110 33 66 82 164 135 27 54 68 136 Natural 1000 btu cu ft LP 2500 btu cu ft Furnace should operate at least 5 minutes before chec...

Страница 42: ...ural to L P propane gas changeover kit is necessary to convert this unit Refer to the changeover kit installation instruction for the conversion procedure TABLE 21 Manifold and Supply Line Pressure 0...

Страница 43: ...t will be off when the system switch is in OFF position B Temperature Rise Temperature rise depends on unit input blower speed blower horsepower and static pressure as marked on the unit rating plate...

Страница 44: ...equently during the winter and the indoor coil to freeze in the summer resulting in an increase in the number of service calls Before using any filter with this system check the specifications provide...

Страница 45: ...ower deck Spread cabinet sides slightly to allow clearance for removal of heat exchanger 22 Remove screws along vestibule sides and bottom which secure vestibule panel and heat exchanger as sembly to...

Страница 46: ...Gently clean the face of the burners using the soft brush attachment on a vacuum cleaner Visually in spect the inside of the burners and crossovers for any blockage caused by foreign matter Remove any...

Страница 47: ...2 minutes or control goes into 5 minute Watchguard Pressure Switch delay Once S18 closes a 15 second pre purge follows 4 The integrated control A92 energizes ignitor A 20 second warm up period begins...

Страница 48: ...MUM 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...

Страница 49: ...PLETE YES 4 SECONDS YES HAS CONTROL RESET IGNITION SEQUENCE FOUR TIMES FLAME SIGNAL 1 5 MICROAMPS OR GREATER YES YES YES ROLLOUT SWITCH CLOSED GAS VALVE POWER OFF COMBUSTION AIR INDUCER POWER ON INDOO...

Страница 50: ...ASH RATE REMAINS UNCHANGED THROUGHOUT COOLING CYCLE THERMOSTAT CALLS FOR COOLING COMPRESSOR CONTACTOR AND SYSTEM FAN ENERGIZED WITH 2 SECOND DELAY COOLING SPEED EAC TERM ENERGIZED COMPRESSOR OFF THERM...

Страница 51: ...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 52: ...oes into 5 minute Watchguard Pressure Switch delay Once S18 closes a 15 second pre purge follows 4 The integrated control A92 energizes ignitor A 20 second warm up period begins 5 Gas valve opens for...

Страница 53: ...DOOR BLOWER ON HEATING SPEED LED 1 FLASH GAS VALVE OFF COMBUSTION AIR INDUCER OFF INDOOR BLOWER OFF WITH DELAY LED 2 FLASHES Sequence holds until pressure switch opens or thermostat resets control NO...

Страница 54: ...HEAT DEMAND WATCHGUARD MODE GAS VALVE OFF COMBUSTION AIR INDUCER OFF INDOOR BLOWER OFF WITH DELAY LED 7 FLASHES WATCHGUARD FAILURE CODE IS 60 MINUTE RESET PERIOD COMPLETE NO 4 SECONDS YES HAS CONTROL...

Страница 55: ...AC TERM OFF WITH 60 SECOND DELAY NO NO IS VOLTAGE ABOVE 90 VOLTS LED ON STEADY CONTROL WILL CONTINUE TO CALL FOR COOLING IN THIS CONDITION YES NO IS THERE A PROPER GROUND YES NO LED ON STEADY CONTROL...

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