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Page 6

BLOWER DATA

EL296UH045XV36B BLOWER PERFORMANCE (less filter)

SINGLE SIDE RETURN AIR

0 through 0.8 in. w.g. (Heating) and 0 through 1.0 in. w.g. (Cooling) External Static Pressure Range

HEATING

1

 Heating Speed 

DIP Switch 

Settings

First Stage Heating Speed - cfm

Second Stage Heating Speed - cfm

+24%

910

1125

+18%

850

1080

+12%

785

1035

+6%

765

990

Factory Default

755

935

–6%

690

880

–12%

635

810

–18%

600

765

COOLING

1

 Cooling Speed 

DIP Switch 

Settings

First Stage Cooling Speed - cfm

Second Stage Cooling Speed - cfm

Low

Medium-Low Medium-High

2

 High

Low

Medium-Low Medium-High

2

 High

+

610

760

845

975

920

1065

1205

1340

Factory Default

550

680

770

880

815

985

1110

1245

465

610

720

775

745

890

1020

1130

1

  Cooling and heating speeds are based on a combination of DIP switch settings on the furnace control. Refer to Installation Instructions for specific DIP Switch Settings.

2

 Factory default setting.

NOTES -  The effect of static pressure is included in air volumes shown.

 

First stage HEAT is approximately 91% of the same second stage HEAT.

 

First stage COOL (two-stage air conditioning units only) is approximately 70% of the same second stage COOL speed position.

 

Continuous Fan Only speed is selectable at 28% and 38% of the selected second stage cooling speed - minimum 250 cfm.

 

Lennox iHarmony

®

 Zoning System Applications - Minimum blower speed is 250 cfm.

EL296UH045XV36B BLOWER MOTOR WATTS (COOLING)

1

 Cooling Speed 

DIP Switch 

Settings

Motor Watts @ Various External Static Pressures - in. wg.

First Stage

Second Stage

0

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

0

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0

+ Setting

Cooling 

Speed

Low

19

37

57

74

97

116 136 151

168

55

82 104

135

158 194

221

243 270 297 314

Med-low 34

57

80

103

124 148 168

195 216 103 123 159 193 225

254 282 307 338

361

389

Med-High 45

74

98

123 150

179 204

236 260

164 198

225 260

287

326 352 391

428 450 478

High

76

103 133 163 191 223 256

277

303 235 256

294 346 374 409 445 478

510

541

551

Factory Default

Cooling 

Speed

Low

16

31

52

67

85

100

118

136 150

38

68

90 106 133 162

188

212 239 262

286

Med-low

20

45

65

85

110 125

145 170

195

75

99

128

159

187

219 251

273

299 323 350

Med-High 38

64

88

106 130

157 180 207

230 125

145 186

216

248 278

303 331 365

388 419

High

51

81

103 133

157

191

218 242 268 182

210

245 273 317 346 376 410 440 465 497

– Setting

Cooling 

Speed

Low

10

28

40

59

73

89

105 121

138

30

52

72

100 119

141

159

185

206

228

253

Med-low

20

38

58

75

97

116 136 151 169

48

75

99

124

151

180

205

237

261

285

303

Med-High 27

48

69

93 116 133 152

178

203

85 107

139

172

201 233 266

286

312

337 364

High

38

66

89

106 131 159

184

209 235

134

155 196 223 259 290 316

344 374

399

432

Содержание EL296UH045XV36B

Страница 1: ...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...

Страница 2: ...eling regulations Isolated combustion system rating for non weatherized furnaces SPECIFICATIONS Gas Heating Performance Model No EL296UH090XV48C EL296UH090XV60C EL296UH110XV48C AHRI Ref No 4988513 498...

Страница 3: ...densate Drain Trap PVC pipe i d 3 4 3 4 with furnished 90 street elbow 3 4 slip x 3 4 Mipt 3 4 slip x 3 4 Mipt with field supplied PVC coupling o d 3 4 slip x 3 4 MPT 3 4 slip x 3 4 MPT Indoor Blower...

Страница 4: ...6K69 26K69 Crawl Space Vent Drain Kit US 51W18 51W18 51W18 Canada 15Z70 15Z70 15Z70 CONTROLS iComfort S30 Ultra Smart Wi Fi Thermostat 19V30 19V30 19V30 1 Discharge Air Temperature Sensor 88K38 88K38...

Страница 5: ...nd stage cooling speed minimum 250 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 250 cfm EL296UH045XV36B BLOWER MOTOR WATTS COOLING 1 Cooling Speed DIP Switch Settings Motor W...

Страница 6: ...econd stage cooling speed minimum 250 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 250 cfm EL296UH045XV36B BLOWER MOTOR WATTS COOLING 1 Cooling Speed DIP Switch Settings Moto...

Страница 7: ...of the selected second stage cooling speed minimum 250 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 250 cfm EL296UH045XV36B BLOWER MOTOR WATTS COOLING 1 Cooling Speed DIP Sw...

Страница 8: ...d second stage cooling speed minimum 250 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 250 cfm EL296UH070XV36B BLOWER MOTOR WATTS COOLING 1 Cooling Speed DIP Switch Settings M...

Страница 9: ...ected second stage cooling speed minimum 250 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 250 cfm EL296UH070XV36B BLOWER MOTOR WATTS COOLING 1 Cooling Speed DIP Switch Settin...

Страница 10: ...and 38 of the selected second stage cooling speed minimum 250 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 250 cfm EL296UH070XV36B BLOWER MOTOR WATTS COOLING 1 Cooling Speed...

Страница 11: ...lected second stage cooling speed minimum 250 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 250 cfm EL296UH090XV36C BLOWER MOTOR WATTS COOLING 1 Cooling Speed DIP Switch Setti...

Страница 12: ...the selected second stage cooling speed minimum 250 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 250 cfm EL296UH090XV36C BLOWER MOTOR WATTS COOLING 1 Cooling Speed DIP Switc...

Страница 13: ...t 28 and 38 of the selected second stage cooling speed minimum 250 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 250 cfm EL296UH090XV36C BLOWER MOTOR WATTS COOLING 1 Cooling S...

Страница 14: ...stage cooling speed minimum 380 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 380 cfm EL296UH090XV48C BLOWER MOTOR WATTS COOLING 1 Cooling Speed DIP Switch Settings Motor Wat...

Страница 15: ...cond stage cooling speed minimum 380 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 380 cfm EL296UH090XV48C BLOWER MOTOR WATTS COOLING 1 Cooling Speed DIP Switch Settings Motor...

Страница 16: ...the selected second stage cooling speed minimum 380 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 380 cfm EL296UH090XV48C BLOWER MOTOR WATTS COOLING 1 Cooling Speed DIP Switc...

Страница 17: ...g speed minimum 450 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 450 cfm EL296UH090XV60C BLOWER MOTOR WATTS COOLING 1 Cooling Speed DIP Switch Settings Motor Watts Various Ex...

Страница 18: ...Continuous Fan Only speed is selectable at 28 and 38 of the selected second stage cooling speed minimum 450 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 450 cfm EL296UH090XV6...

Страница 19: ...cond stage cooling speed minimum 380 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 380 cfm EL296UH110XV48C BLOWER MOTOR WATTS COOLING 1 Cooling Speed DIP Switch Settings Motor...

Страница 20: ...second stage cooling speed minimum 380 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 380 cfm EL296UH110XV48C BLOWER MOTOR WATTS COOLING 1 Cooling Speed DIP Switch Settings Mot...

Страница 21: ...of the selected second stage cooling speed minimum 380 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 380 cfm EL296UH110XV48C BLOWER MOTOR WATTS COOLING 1 Cooling Speed DIP Sw...

Страница 22: ...oling speed minimum 450 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 450 cfm EL296UH110XV60C BLOWER MOTOR WATTS COOLING 1 Cooling Speed DIP Switch Settings Motor Watts Variou...

Страница 23: ...n Continuous Fan Only speed is selectable at 28 and 38 of the selected second stage cooling speed minimum 450 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 450 cfm EL296UH110X...

Страница 24: ...oling speed minimum 450 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 450 cfm EL296UH135XV60D BLOWER MOTOR WATTS COOLING 1 Cooling Speed DIP Switch Settings Motor Watts Variou...

Страница 25: ...Continuous Fan Only speed is selectable at 28 and 38 of the selected second stage cooling speed minimum 450 cfm Lennox iHarmony Zoning System Applications Minimum blower speed is 450 cfm EL296UH135XV...

Страница 26: ...xchanger Combustion Air Inducer Pressure Switch Assembly Primary Limit Variable Speed Motor Two Stage Integrated Control Outer Access Panel Inner Access Panel Bag Assemblies shipping location Field Ma...

Страница 27: ...is inoperable simply replace entire control Can cause injury or death Unsafe operation will result if repair is attempted 4 Blower Drive See Indoor Blower Section 5 Integrated Control A92 Units are eq...

Страница 28: ...stage thermostat Move the DIP switch to ON for use with a single stage thermostat While in the single stage thermostat mode the burners will always fire on first stage heat The combustion air in ducer...

Страница 29: ...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 30: ...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 31: ...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 32: ...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 33: ...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 34: ...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 35: ...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 36: ...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 37: ...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 38: ...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 39: ...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 40: ...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 41: ...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 42: ...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 43: ...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 44: ...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 45: ...er 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...

Страница 46: ...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 47: ...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 OPERATING SEQUENCE Non Communicating Thermostat with Humidity Control Feature a...

Страница 48: ...g 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...

Страница 49: ...l cabinet and distance The motor communicates with the integrated control via a 2 way serial connection The motor receives all neces sary functional parameters from the integrated control and does not...

Страница 50: ...of the rotor Once the motor begins turning the controller slowly eases the motor up to speed this is called soft start The mo tor may take as long as 10 15 seconds to reach full speed If the motor do...

Страница 51: ...ine Voltage Connector J49 4 Pin Control Connector J48 5 Pin J49 4 Pin FIGURE 10 BLOWER B3 HARNESS CONNECTORS MOTOR with INTEGRATED CONTROLLER SHAFT P49 4 Pin P48 5 Pin P48 5 Pin P49 4 Pin J48 Connecto...

Страница 52: ...e resistance to ground is 100k the motor windings are fine Pro ceed to Test B Test A FIGURE 13 TEST B Use an ohmmeter to measure the motor phase to phase resistance by checking these combinations of t...

Страница 53: ...on the valve A regulator adjustment screw is located on the valve LPG change over kits are available from Lennox Kits in clude burner orifices and a gas valve 4 Flame Rollout Switches S47 Flame rollo...

Страница 54: ...Page 54 HEATING COMPONENTS Intake Air Top Cap Sensor Rollout Switch Rollout Switch Burner Assembly Ignitor Manifold And Gas Orifices Two Stage Gas Valve Burner Box Cover FIGURE 15...

Страница 55: ...the plug Reading should 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...

Страница 56: ...0 920 090 1 2 3 4 090 5 and later 0 920 0 905 110 1 2 3 4 110 5 and later 1 040 1 070 135 all numbers 1 235 8 Combustion Air Inducer Pressure Switch S18 EL296UHV X series units are equipped with a dua...

Страница 57: ...gative side of the pressure switch Take a second piece of 10 length square tubing and tee into the tubing from the negative side of the cold end header box and the other side of the 2 square tubing Co...

Страница 58: ...lyPro by Duravent InnoFlue by Centrotherm UL 1738 CERTIFIED GAS VENTING SYSTEM IPEX System1738 Schedule 40 PVC Pipes and Fittings UL1738 IPEX System1738 PVC FGV Cement Primer CAUTION Solvent cements f...

Страница 59: ...See table 8 for vent accelerator requirements 6 2 in pipe to 1 1 2 in reducer required and must be field provided Joint Cementing Procedure All cementing of joints should be done according to the spec...

Страница 60: ...ce connected to the venting system being placed into operation could result in carbon monoxide poisoning or death The following steps shall be followed for each appliance connected to the venting syst...

Страница 61: ...crawlspace and flue gases are discharged outdoors In Direct Vent instal lations combustion air is taken from outdoors and flue gases are discharged outdoors Intake and exhaust pipe sizing Size pipe a...

Страница 62: ...ow many elbows Count all elbows inside and outside house Desired pipe size What is the altitude of the furnace installation 7 What is the furnace capacity See max and min length tables Include all ven...

Страница 63: ...98 98 94 6 56 41 19 90 90 68 33 113 112 93 93 89 7 51 36 14 85 85 63 28 108 107 88 88 84 8 46 31 n a 80 80 58 23 103 102 83 83 79 9 41 26 75 75 53 18 98 97 78 78 74 10 36 21 70 70 48 13 93 92 73 73 69...

Страница 64: ...53 38 22 85 85 69 34 101 101 94 94 85 6 48 33 17 80 80 64 29 96 96 89 89 80 7 43 28 12 75 75 59 24 91 91 84 84 75 8 38 23 n a 70 70 54 19 86 86 79 79 70 9 33 18 65 65 49 14 81 81 74 74 65 10 28 13 60...

Страница 65: ...8 113 112 93 93 89 3 10 n a 61 46 24 4 90 90 68 33 108 107 88 88 84 4 n a 56 41 19 n a 85 85 63 28 103 102 83 83 79 5 51 36 14 80 80 58 23 98 97 78 78 74 6 46 31 9 75 75 53 18 93 92 73 73 69 7 41 26 4...

Страница 66: ...r pipe in horizontal runs of exhaust pipe Exhaust 6 Min FIGURE 23 SIDE VIEW 2 2 2 or TYPICAL EXHAUST AND INTAKE PIPE CONNECTIONS IN HORIZONTAL DIRECT OR NON DIRECT VENT APPLICATIONS RIGHT HAND DISCHAR...

Страница 67: ...ONS HORIZONTAL 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 a...

Страница 68: ...rom outdoors and the flue gases are discharged to the out doors The EL296UHV is then classified as a direct vent Category IV gas furnace In both Non Direct Vent and Direct Vent applications the vent t...

Страница 69: ...0 19 16 18 15 n a n a 2 1 2 in 1 n a 7 n a 13 n a 12 n a n a n a 3 in 1 1 2 2 8 8 7 7 13 13 1Refer to 99 Minimum Design Temperature table provided in the current edition of the ASHRAE Fundamentals Han...

Страница 70: ...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 71: ...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 72: ...is 3 76MM on roof terminations and 6 152MM on side wall terminations NOTE When venting in different pressure zones the maximum separation requirement of intake and exhaust pipe DOES NOT apply 3 On roo...

Страница 73: ...m Front View of Intake and Exhaust Intake Exhaust A C B 1 2 D A C 3 Intake Elbow Exhaust B A D Intake Elbow WALL SUPPORT B A D E B D E A ALTERNATE TERMINATIONS TEE FORTY FIVE DEGREE ELBOWS ONLY D C 12...

Страница 74: ...VENT INTAKE AIR OPTIONAL VENT TERMINATION FOR MULTIPLE UNIT INSTALLATION OF DIRECT VENT WALL TERMINATION KIT 30G28 or 81J20 Inches mm Side View 12 305mm Min above grade or cumulation optional intake e...

Страница 75: ...e to connect trap to furnace condensate outlet Piping from furnace must slope down a minimum of 1 4 per ft toward trap 1 Determine which side condensate piping will exit the unit location of trap fiel...

Страница 76: ...ocedure outlined in Unit Start Up section Condensate line must slope downward away from the trap to drain If drain level is above condensate trap condensate pump must be used Condensate drain line sho...

Страница 77: ...GURE 47 Furnace with Evaporator Coil Using a Separate Drain Unit shown in horizontal left hand discharge position 5 max PVC Pipe Only 4 min 5 max Evaporator Coil Drain Pan Condensate DrainConnection F...

Страница 78: ...ondensate drain outlet must be vented to relieve pressure in order for the furnace pressure switch to operate properly Furnace with Evaporator Coil Using a Common Drain Unit shown in horizontal left h...

Страница 79: ...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 80: ...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 81: ...d with sufficient 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 de...

Страница 82: ...as Supply Pressure An inlet post located on the gas valve provides access to the supply pressure See Back out the 3 32 hex screw one turn connect a piece of 5 16 tubing and connect to a manometer to m...

Страница 83: ...P Low Fire High Fire Low Fire High Fire 045 5 4 6 4 7 5 8 5 6 4 7 4 8 8 9 8 070 5 3 6 3 7 4 8 4 6 3 7 3 8 7 9 7 090 5 8 6 8 7 6 8 6 6 8 7 8 8 9 9 9 110 6 1 7 1 8 0 9 0 7 1 8 1 9 3 10 3 135 6 1 7 1 7 8...

Страница 84: ...t Refer to the changeover kit installation instruction for the conversion procedure TABLE 32 LP Propane Conversion Kit and Pressure Switch Requirements at Varying Altitudes Unit Natural to LP Propane...

Страница 85: ...und Compare the readings to the table below If the read ings exceed the maximum shown in TABLE 33 make repairs before operating the furnace 2 In addition measure the AC voltage from Line Hot to Line N...

Страница 86: ...ly 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 st...

Страница 87: ...reinstall the clean out cap Condensate Hose Screens FIGURE 58 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...

Страница 88: ...witch wires 39 Reconnect sensor wire and reconnect 2 pin plug from ignitor 40 Reinstall gas valve manifold assembly Reconnect gas supply line to gas valve 41 Reconnect the combustion air intake pipe 4...

Страница 89: ...Page 89 VII Wiring and Sequence of Operation Ignition Control 103130 05 EL296 Schematic Diagram...

Страница 90: ...Page 90 Ignition Control 103130 05 and Blower Drive EL296 Units With Blower Drive...

Страница 91: ...Page 91 Ignition Control 107045 01...

Страница 92: ...Page 92 Ignition Control 107045 01 and Blower Drive...

Страница 93: ...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 94: ...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 95: ...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 96: ...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 97: ...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 98: ...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 99: ...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 100: ...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 101: ...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...

Страница 102: ...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 103: ...total 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 ENAB...

Страница 104: ...NIT 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 STAG...

Страница 105: ...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 106: ...E 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 T...

Страница 107: ...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 108: ...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 h...

Страница 109: ...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 110: ...NDS 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 LO...

Страница 111: ...IZED 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 112: ...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 113: ...ED 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 ACTIV...

Страница 114: ...TAGE 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 IND...

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