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Lennox EL296DF045XV36B, Информация об устройстве

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UNIT INFORMATION

UNIT INFORMATION

S e r v i c e   L i t e r a t u r e

©2016 Lennox Industries, Inc. 

 

 WARNING

Improper installation, adjustment, alteration, 

service or maintenance can cause property damage, 

personal injury or loss of life. Installation and service 

must be performed by a licensed professional HVAC 

installer (or equivalent), service agency or the gas 

supplier.

 CAUTION

As with any mechanical equipment, contact with 

sharp sheet metal edges can result in personal 

injury. Take care while handling this equipment and 

wear gloves and protective clothing.

EL296DFV(X) series units are 90% efficiency gas furnac

-

es used for upflow or horizontal applications only, man

-

ufactured  with  Lennox  Duralok  heat  exchangers  formed 

of aluminized steel. EL296DFV(X) units are available in 

heating capacities of 44,000 to 110,000 Btuh and cooling 

applications up to 5 tons. Refer to Engineering Handbook 

for proper sizing.
Units are factory equipped for use with natural gas. Kits 

are available for conversion to LPG operation. EL296D

-

FV(X)  model  units  are  equipped  with  a  communicating 

enabled  SureLight

®

  two-stage  variable  speed  integrated 

control.
EL296DFV(X) unit meets the California Nitrogen Oxides 

(NOx)  Standards  and  California  Seasonal  Efficiency  re

-

quirements. All units use a redundant gas valve to assure 

safety shut-off as required by C.S.A.
All  specifications  in  this  manual  are  subject  to  change. 

Procedures  outlined  in  this  manual  are  presented  as  a 

recommendation only and do not supersede or replace lo

-

cal or state codes. In the absence of local or state codes, 

the guidelines and procedures outlined in this manual (ex

-

cept where noted) are recommendations only and do not 

constitute code.

TABLE OF CONTENTS

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2
I Unit Components  . . . . . . . . . . . . . . . . . . . . . . . . Page 9
II Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 39
III Start Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 63
IV Heating System Service Checks    . . . . . . . . . Page 64
V Typical Operating Characteristics    . . . . . . . . . Page 67
VI Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . Page 67
VII Wiring and Sequence of Operation     . . . . . . Page 70
VIII Field Wiring and Jumper Settings     . . . . . . . Page 73
IX Program Unit Capacity Size Mode      . . . . . . . Page 87
X Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . Page 88

EL296DFV(X)

Corp 1126-L5

 

Revised 03/2022

COMMUNICATING - ENABLED EL296DFV SERIES UNITS

Содержание EL296DF045XV36B

Страница 1: ...lable for conversion to LPG operation EL296D FV X model units are equipped with a communicating enabled SureLight two stage variable speed integrated control EL296DFV X unit meets the California Nitro...

Страница 2: ...1 2 1 2 Condensate Drain Trap PVC pipe i d 3 4 3 4 3 4 3 4 with furnished 90 street elbow 3 4 slip x 3 4 Mipt 3 4 slip x 3 4 Mipt 3 4 slip x 3 4 Mipt 3 4 slip x 3 4 Mipt with field supplied PVC coupli...

Страница 3: ...r 3 in 51W11 51W11 Canada 2 2 1 2 or 3 in 51W12 51W12 Wall Close Couple US 2 in 22G44 3 in 44J40 44J40 Wall Close Couple WTK Canada 2 in 30G28 3 in 81J20 81J20 Roof Termination Flashing Kit no vent pi...

Страница 4: ...d stage cooling speed minimum 250 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 250 cfm EL296DF045XV36B BLOWER MOTOR WATTS COOLING 1 Cooling Speed DIP Switch Settings Motor Wa...

Страница 5: ...ing speed minimum 380 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 380 cfm EL296DF070XV48B BLOWER MOTOR WATTS COOLING 1 Cooling Speed DIP Switch Settings Motor Watts Various...

Страница 6: ...ling speed minimum 450 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 450 cfm EL296DF090XV60C BLOWER MOTOR WATTS COOLING 1 Cooling Speed DIP Switch Settings Motor Watts Various...

Страница 7: ...ing speed minimum 450 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 450 cfm EL296DF110XV60C BLOWER MOTOR WATTS COOLING 1 Cooling Speed DIP Switch Settings Motor Watts Various...

Страница 8: ...SEMBLY shipping location VARIABLE SPEED MOTOR hidden OUTER ACCESS PANEL COMBUSTION AIR INDUCER BURNER BOX ASSEMBLY includes sensor rollout switches and ignitor GAS VALVE BLOWER DECK COLD END HEADER BO...

Страница 9: ...This control is used with a communicating thermostat as part of a communicating comfort system The control can also operate with a non communicating conventional single or two stage thermostat The sy...

Страница 10: ...e the burners will always fire on first stage heat The combustion air inducer will oper ate on low speed and indoor blower will operate on low heat speed The unit will switch to second stage heat af t...

Страница 11: ...GE TO THERMOSTAT G MANUAL FAN FROM T STAT C THERMOSTAT SIGNAL GROUND CONNECTED TO TRANSFORMER GRD TR CHASIS GROUND GRD Y1 THERMOSTAT 1ST STAGE COOL SIGNAL Y2 THERMOSTAT 2ND STAGE COOL SIGNAL O THERMOS...

Страница 12: ...MAND FROM 1ST STAGE T STAT R CLASS 2 VOLTAGE TO THERMOSTAT G MANUAL FAN FROM T STAT C THERMOSTAT SIGNAL GROUND CONNECTED TO TRANSFORMER GRD TR CHASIS GROUND GRD Y1 THERMOSTAT 1ST STAGE COOL SIGNAL Y2...

Страница 13: ...OFF OPTION B OFF 82 100 OFF OPTION C OFF 100 100 OFF OPTION D OFF 100 OFF DEFAULT 10 10 HIGH SPEED MEDIUM HIGH SPEED MEDIUM LOW SPEED LOW SPEED 7 PROTECTIVE PLASTIC FILM ON DIP SWITCHES MAY BE REMOVED...

Страница 14: ...flame signal mode The integrated control will display the flame current on 7 segment LED in micro amps uA Flame signal mode is exited after any of the follow ing Power is reset Pressing and holding p...

Страница 15: ...t Alarm clears 5 seconds after fault recovered E111 Low line voltage Reverse line power voltage wiring System resumes normal operation 5 seconds after fault recovered E112 Ground not detected System s...

Страница 16: ...n range appropriate feature will be set as installed and that could be seen in About screen In normal operation after control recognizes sensors alarm will be sent if valid temperature reading is lost...

Страница 17: ...ucer for correct operation and restriction Resumes normal operation after fault is cleared E227 Low pressure switch open during trial for ignition or run mode Check pressure inches w c of low pressure...

Страница 18: ...wiring connections 1 hour soft lockout Clears when calibration has finished successfully E290 Ignitor circuit fault Failed ignitor or triggering cir cuitry Measure resistance of hot surface ignitor R...

Страница 19: ...o 24 Volts between R O on integrated control with non communicating outdoor unit Dual fuel module required for heat pump application Configuration link R to O needs to be restored Replace link or hard...

Страница 20: ...Compressor open run circuit Required amount of current is not passing through Run current transformer Clears the error after current is sensed in RUN sensor or 1 normal compressor run cycle or after...

Страница 21: ...he flame signal mode The integrated control will display the flame current on 7 segment LED in micro amps uA Flame signal mode is exited after any of the following Power is reset Pressing and holding...

Страница 22: ...ne voltage Line Voltage Low Voltage lower than nameplate rating Check power line voltage and correct Alarm clears 5 seconds after fault recovered E111 Low line voltage Reverse line power voltage wirin...

Страница 23: ...could be seen in About screen In normal operation after control recognizes sensors alarm will be sent if valid temperature reading is lost To get rid of setting and alarm redo configu ration and make...

Страница 24: ...correct operation and restriction Resumes normal operation after fault is cleared E227 Low pressure switch open during trial for ignition or run mode Check pressure inches w c of low pressure switch c...

Страница 25: ...hen heat call finishes successfully E275 Soft lockout Flame sensed out of sequence Flame signal is gone Shut off gas Check for gas valve leak 1 hour soft lockout Clears when flame has been proven stab...

Страница 26: ...te but might not meet efficiency and capacity pa rameters Alarm will clear when commissioning is exited Cleared after commissioning is complete E334 Relay Y1 stuck on interated control Replace integra...

Страница 27: ...the heating demand has been satisfied can be adjusted by moving switches 3 and 4 on the integrated control The unit is shipped from the factory with a blower off delay of 90 seconds The blower off de...

Страница 28: ...s satisfied Once demand is met motor runs at 100 for 45 seconds then ramps down to stop OFF OFF 100 CFM 100 CFM 45 SEC COMPRESSOR DEMAND Ramping Option D Motor runs at 100 until demand is satisfied On...

Страница 29: ...erminals Y1 and Y2 on the integrated control W915 must be cut if two stage cooling will be used If the Y1 to Y2 link is not cut the outdoor unit will operate in second stage cooling only TABLE 12 OPER...

Страница 30: ...the room space to maintain a cooler room thermostat setpoint ROOM THERMOSTAT CALLS FOR FIRST AND SECOND STAGE COOLING BASIC MODE only active on a Y1 thermostat demand Normal Operation 1 On On On On A...

Страница 31: ...motors used on the EL296UH furnace line BLOWER MOTOR COMPONENTS STATOR WINDINGS OUTPUT SHAFT BEARING ROTOR FIGURE 8 The controller uses sensing devices to sense what posi tion the rotor is in at any g...

Страница 32: ...ped with 1 hp motors The choke is located on the blower housing and is used to suppress transient current spikes Troubleshooting Motor Operation To verify motor operation see steps below and figures 1...

Страница 33: ...nce should be the same If the measured resistance is greater than 20 ohms re place the motor and control module Test B FIGURE 13 C Heating Components 1 Ignitor The SureLight ignitor is made of durable...

Страница 34: ...e reset button located on the control 5 Burners All units use inshot burners Burners are factory set and require no adjustment Always operate the unit with the burner box front panel in place Each bur...

Страница 35: ...ld be between 39 and 70 ohms If the reading is correct 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...

Страница 36: ...mmediately closes the gas valve to prevent burner operation TABLE 16 EL296DFV Unit C A I Orifice Size 045 0 618 070 0 810 090 0 920 110 1 040 8 Combustion Air Inducer Pressure Switch S18 EL296DFV X se...

Страница 37: ...ing and tee into the tubing from the negative side of the cold end header box and the other side of the 2 square tubing Connect the other end of the 10 square tubing the the negative side of the measu...

Страница 38: ...636 PVC CPVC Solvent Cement ABS to PVC or CPVC Transition Cement POLYPROPYLENE VENTING SYSTEM PolyPro by Duravent InnoFlue by Centrotherm UL 1738 CERTIFIED GAS VENTING SYSTEM IPEX System1738 Schedule...

Страница 39: ...0 street elbows provided through the side of the cabinet The male side of each elbow should extend down through the blower deck and connect to the rubber fittings below Once the elbows are properly po...

Страница 40: ...S YES YES 2 1 2 YES YES 5 YES YES YES 3 YES YES 5 YES YES YES NOTE Standard Terminations do not include any vent pipe or elbows external to the structure Any vent pipe or elbows external to the struct...

Страница 41: ...f cement to pipe and while both inside socket surface and end of pipe are wet with cement forcefully insert end of pipe into socket until it bottoms out Turn PVC pipe 1 4 turn during assembly but not...

Страница 42: ...ated and other spaces of the building Turn on clothes dryers and any appliances not connected to the common venting system Turn on any exhaust fans such as range hoods and bathroom exhausts so they wi...

Страница 43: ...nations described in section Exhaust Piping Terminations should be used Exhaust vent termination pipe is sized to optimize the velocity of the exhaust gas as it exits the termination Refer to TABLE 24...

Страница 44: ...4 4 95 95 73 38 118 117 98 98 4 n a 56 41 19 n a 90 90 68 33 113 112 93 93 5 51 36 14 85 85 63 28 108 107 88 88 6 46 31 9 80 80 58 23 101 102 83 83 7 41 26 4 75 75 53 18 98 97 78 78 8 36 21 n a 70 70...

Страница 45: ...3 n a 53 38 22 2 85 85 69 34 101 101 94 94 4 48 33 17 n a 80 80 64 29 96 96 89 89 5 43 28 12 75 75 59 24 91 91 84 84 6 38 23 7 70 70 54 19 86 86 79 79 7 33 18 2 65 65 49 14 81 81 74 74 8 28 13 n a 60...

Страница 46: ...pipe and intake pipe must be the same diameter 2 TRANSITION 2 1 1 2 045 070 Only DO NOT transition from larger to smaller pipe in horizontal runs of exhaust pipe Exhaust Exhaust FIGURE 24 TYPICAL INTA...

Страница 47: ...must be the same diameter Pipe Length 4 Maximum Not Furnished 2 2 Plate Furnished Street Ell Not Furnished FIGURE 26 TRANSITION 2 3 TOP VIEW 2 When transitioning up in pipe size use the shortest leng...

Страница 48: ...s CAUTION If this unit is being installed in an application with combustion air coming in from a space serviced by an exhaust fan power exhaust fan or other device which may create a negative pressure...

Страница 49: ...NFPA 54 in U S A and current CSA B149 Natural Gas and Propane Installation Codes in Canada for details Position termination according to location given in FIG URE 32 or FIGURE 33 In addition position...

Страница 50: ...7 n a 13 n a 12 n a 3 in 1 1 2 2 8 8 7 7 1Refer to 99 Minimum Design Temperature table provided in the current edition of the ASHRAE Fundamentals Handbook 2 Poly Propylene vent pipe PP by Duravent an...

Страница 51: ...Number Of 90 Elbows Used 1 1 2 2 Pipe 2 1 2 Pipe 3 Pipe Model Model Model Model 045 070 090 110 045 070 090 110 045 070 090 110 045 070 090 110 1 15 10 n a n a 61 46 24 n a 90 90 68 33 108 107 88 88...

Страница 52: ...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 a height 15 feet 4 5m above the meter regulator assembly 3 feet 9m...

Страница 53: ...anda 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 feet 9m 6 inches 152mm for appliances 10 000 pliances 10 000 Btuh 3kw and 50 000 p...

Страница 54: ...um separation requirement of intake and exhaust pipe DOES NOT apply 3 On roof terminations the intake piping should terminate straight down using two 90 elbows FIGURE 34 4 Exhaust piping must terminat...

Страница 55: ...d the protective shield is recommended The shield should be constructed using wood sheet metal or other suitable material All seams joints cracks etc in affected area should be sealed using an appropr...

Страница 56: ...4 GLUE EXHAUST END FLUSH INTO TERMINATION FLAT SIDE FLUSH MOUNT SIDE WALL TERMINATION KIT 51W11 US or 51W12 Canada FIGURE 41 DIRECT VENT APPLICATION USING EXISTING CHIMNEY NOTE Do tical discharge thro...

Страница 57: ...connect trap to furnace condensate outlet Piping from furnace must slope down a minimum of 1 4 per ft toward trap CONDENSATE TRAP AND PLUG LOCATIONS Trap same on right side Plug same on left side 1 1...

Страница 58: ...amp Barbed Fitting Elbow FIGURE 47 6 If unit will be started immediately upon completion of installation prime trap per procedure outlined in Unit Start Up section Condensate line must slope downward...

Страница 59: ...e Drain Connection In Unit Vent To Drain Condensate Drain Connection In Unit Optional Condensate Drain Connection OptionalDrainPipingFromTrap DrainTrapAssembly Furnished DrainTrap Assembly with 1 2 in...

Страница 60: ...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 Drain Cond...

Страница 61: ...cient water to ensure proper condensate drain operation WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or death Gas Valv...

Страница 62: ...w one turn connect a piece of 5 16 tub ing and connect to a manometer to measure supply pres sure See table 28 for supply line pressure E Check Manifold Pressure NOTE Pressure test adapter kit 10L34 i...

Страница 63: ...adjustment or replacement to ensure prop er operation at higher altitudes See TABLE 27 for gas conversion and pressure switch kits See TABLE 28 for manifold pressures TABLE 27 LP Propane Conversion K...

Страница 64: ...und Compare the readings to the table below If the readings exceed the maximum shown in TABLE 29 make repairs before oper ating the furnace 2 In addition measure the AC voltage from Line Hot to Line N...

Страница 65: ...only the blower motor running and the evaporator coil dry observe the manometer reading Adjust blower motor speed to deliver the air desired according to the job requirements For heating speed second...

Страница 66: ...IGURE 57 Check the condensate hose screens for blockage and clean if necessary 1 Turn off power to the unit 2 Remove hoses from cold end header box Twist and pull screens to remove 3 Inspect screens a...

Страница 67: ...connect 2 pin plug from ignitor 38 Reinstall gas valve manifold assembly Reconnect gas supply line to gas valve 39 Reinstall burner box cover if equipped 40 Reconnect plug to gas valve 41 Replace the...

Страница 68: ...Page 68 VII Wiring and Sequence of Operation Ignition Control 103130 05 EL296DFV Schematic Wiring Diagram...

Страница 69: ...Page 69 Ignition Control 107045 01...

Страница 70: ...ation the unit will switch to low fire 3 After the pre purge is complete a 20 second initial ignitor warm up period begins The combustion air inducer continues to operate at low speed 4 After the 20 s...

Страница 71: ...ergized on the low fire heating speed and the HUM contacts are energized The integrated control also initiates a second stage on delay factory set at 7 minutes adjustable to 12 minutes 5 If the heatin...

Страница 72: ...door Unit Controller Outdoor Unit Single wire to terminal C Single wire to terminal C Unused wires Unused wires Communicating systems using the Communicating thermostat require four thermostat wires b...

Страница 73: ...s 18 RSBus Rf W Gh Gs Cf HVAC EQUIP DEHUMIDIFIER CONTROL HVAC EQUIPMENT DH 24V IN JUMPER COMMUNICATING ENABLED FURNACE COMMUNICATING ENABLED FURNACE ICOMMUNICATING THERMOSTAT CONVENTIONAL NON COMMUNIC...

Страница 74: ...R UNIT LENNOX COMMUNICATING INDOOR UNIT LENNOX COMMUNICATING THERMOSTAT OR DAMPER CONTROL MODULE CONVENTIONAL TERMINALS FLOAT SWITCH LENNOX COMMUNICATING INDOOR UNIT CONVENTIONAL OUTDOOR UNIT 1 OR 2 S...

Страница 75: ...DO NOT CUT ANY ON BOARD LINKS S1 T STAT FURNACE TERM STRIP OUTDOOR UNIT 1 Heat 2 Cool NOTE Use DIP switch 2 to set second stage heat ON delay OFF 7 minutes ON 12 minutes ON CUT ON BOARD LINK W915 2 S...

Страница 76: ...TAGE COMPR S1 T STAT FURNACE TERM STRIP OUTDOOR UNIT 2 Heat 2 Cool with t stat with humidity control OFF CUT ON BOARD LINK W915 2 STAGE COMPR CUT ON BOARD LINK W914 DEHUM OR HARMONY S1 T STAT FURNACE...

Страница 77: ...OARD LINK W951 HEAT PUMP T STAT FURNACE TERM STRIP HEAT PUMP 67M41 Y H L Y2 D B L Y2 T T outdoor sensor Dual Fuel Two Stage Heat Pump ComfortSense thermostat w bilities Capable of 2 stage gas heat con...

Страница 78: ...LINK W914 DEHUM OR HARMONY T STAT FURNACE TERM STRIP HEAT PUMP 67M41 Y H L Y2 D B L Y2 T T outdoor sensor Dual Fuel Two Stage Heat Pump ComfortSense thermostat w bilities Capable of 2 stage gas heat m...

Страница 79: ...FOR TWO STAGE OPERATION Communicating Integrated Control Communicating Thermostat Outdoor Unit nace air handler control and four wires between the outdoor unit and the furnace air handler control Whe...

Страница 80: ...otal length of all con nections on the RSBus is limited to 1500ft Wire gauge of RSBus wire is 18 RSBus Rf W Gh Gs Cf HVAC EQUIP DEHUMIDIFIER CONTROL HVAC EQUIPMENT DH 24V IN JUMPER COMMUNICATING ENABL...

Страница 81: ...IT LENNOX COMMUNICATING INDOOR UNIT LENNOX COMMUNICATING THERMOSTAT OR DAMPER CONTROL MODULE CONVENTIONAL TERMINALS FLOAT SWITCH LENNOX COMMUNICATING INDOOR UNIT CONVENTIONAL OUTDOOR UNIT 1 OR 2 STAGE...

Страница 82: ...NOT CUT ANY ON BOARD LINKS S1 T STAT FURNACE TERM STRIP OUTDOOR UNIT H 1 Heat 2 Cool NOTE Use DIP switch 2 to set second stage heat ON delay OFF 7 minutes ON 12 minutes ON CUT ON BOARD LINK W915 2 ST...

Страница 83: ...COMPR S1 T STAT FURNACE TERM STRIP OUTDOOR UNIT H 2 Heat 2 Cool with t stat with humidity control OFF CUT ON BOARD LINK W915 2 STAGE COMPR CUT ON BOARD LINK W914 DEHUM OR HARMONY S1 T STAT FURNACE TE...

Страница 84: ...W951 HEAT PUMP L7742U T STAT FURNACE TERM STRIP HEAT PUMP 67M41 Y H L Y2 D B L Y2 T T outdoor sensor H Dual Fuel Two Stage Heat Pump ComfortSense thermostat w bilities Capable of 2 stage gas heat con...

Страница 85: ...W914 DEHUM OR HARMONY L7742U T STAT FURNACE TERM STRIP HEAT PUMP 67M41 Y H L Y2 D B L Y2 T T outdoor sensor H Dual Fuel Two Stage Heat Pump ComfortSense thermostat w bilities Capable of 2 stage gas he...

Страница 86: ...will store code in memory and will automatically exit Program Unit Capacity Size Mode and reset If second period expires or push button is held less than five seconds control will automatically exit...

Страница 87: ...DS H S I OFF NO INDUCER OFF AFTER POST PURGE HARD LOCKOUT ERROR CODE FLASHES YES YES YES 1 2 1 LOW PRESSURE SWITCH OPENS 1 2 HARD LOCKOUT REQUIRES THERMOSTAT RESET OR CYCLING OF POWER TO RESET THE LOC...

Страница 88: ...ZED ONLY FOR 1ST REQUEST FOR 2ND STAGE HEAT YES CALL FOR HEAT SATISFIED INDUCER SWITCHED TO HIGH SPEED SINGLE STAGE THERMOSTAT 2 STAGE THERMOSTAT NO INDUCER SWITCHED TO LOW SPEED 5 MINUTE DELAY ERROR...

Страница 89: ...L 2ND STAGE CALL FOR HEAT SATISFIED NO YES DE ENERGIZE 2ND STAGE GAS VALVE INDUCER SPEED SWITCHED TO LOW SPEED 1 2 3 1ST STAGE HEAT 1ST STAGE CALL FOR HEAT SATISFIED NO YES GAS VALVE DE ENERGIZED INDU...

Страница 90: ...D RAMPING PROFILES THE SPECIFIC PROFILE IS SELECTED USING T 1 1 2 2 1 1 1 2 2 DE ENERGIZE 1ST STAGE COOLING CONTACTOR COMPRESSOR FAN 2ND STAGE COOLING REQUEST STILL ACTIVE COOLING REQUEST STILL ACTIVE...

Страница 91: ...AGE HEAT YES GO TO CALL FOR COOLING 1 1 1 4 YES NO CALL FOR FAN INDOOR BLOWER ON CONTINUOUS FAN SPEED MAINTAIN INDOOR BLOWER AT CONTINUOUS FAN MAINTAIN INDOOR BLOWER AT CONTINUOUS FAN DE ENERGIZE INDO...

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