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Page 3

BLOWER DATA

EL180UH040NE36A PERFORMANCE (Less Filter)

External 

Static 

Pressure 

in. w.g.

Air Volume / Watts at Various Blower Speeds

High

Medium-High

Medium

Medium-Low

Low

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

0.00

1430

243

1200

140

1025

86

945

66

945

45

0.10

1395

253

1165

151

1005

99

940

75

930

50

0.20

1370

264

1130

157

930

99

825

80

795

68

0.30

1345

278

1100

170

895

110

775

85

650

63

0.40

1320

289

1085

182

875

120

745

90

615

70

0.50

1295

302

1035

189

820

126

705

102

545

76

0.60

1245

308

1010

200

795

135

655

107

515

85

0.70

1220

320

980

210

755

147

615

115

445

87

0.80

1200

332

930

215

700

152

570

121

400

95

EL180UH060NE36A PERFORMANCE (Less Filter)

External 

Static 

Pressure 

in. w.g.

Air Volume / Watts at Various Blower Speeds

High

Medium-High

Medium

Medium-Low

Low

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

0.00

1410

243

1190

141

1030

86

930

73

835

55

0.10

1380

251

1165

150

990

95

890

89

790

65

0.20

1360

264

1115

158

950

99

840

78

730

68

0.30

1315

278

1090

171

910

110

790

89

660

61

0.40

1295

290

1070

182

865

122

740

93

600

71

0.50

1270

300

1025

191

825

127

695

103

545

75

0.60

1235

300

1000

197

785

136

650

108

495

84

0.70

1215

317

975

208

750

147

615

118

450

88

0.80

1185

331

920

216

700

153

555

121

390

96

EL180UH080NE48B PERFORMANCE (Less Filter)

External 

Static 

Pressure 

in. w.g.

Air Volume / Watts at Various Blower Speeds

High

Medium-High

Medium

Medium-Low

Low

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

0.00

1785

344

1570

236

1455

183

1390

161

1230

116

0.10

1745

360

1535

249

1420

194

1360

172

1190

129

0.20

1725

373

1500

266

1375

212

1310

189

1145

135

0.30

1695

386

1475

279

1340

224

1280

201

1100

146

0.40

1665

405

1440

293

1305

237

1235

208

1065

156

0.50

1640

418

1410

307

1275

250

1190

223

1015

170

0.60

1595

433

1370

323

1235

263

1160

234

970

182

0.70

1570

446

1330

336

1190

277

1120

249

930

187

0.80

1530

461

1300

349

1155

289

1095

260

900

201

Содержание EL180UH040NE36A

Страница 1: ...f local or state codes the guidelines and procedures outlined in this manual except where noted are recommended only and do not constitute code CAUTION As with any mechanical equipment contact with sh...

Страница 2: ...ta lbs 1 package 100 113 125 149 NOTE Filters and provisions for mounting are not furnished and must be field provided 1 Annual Fuel Utilization Efficiency based on DOE test procedures and according t...

Страница 3: ...3 1190 141 1030 86 930 73 835 55 0 10 1380 251 1165 150 990 95 890 89 790 65 0 20 1360 264 1115 158 950 99 840 78 730 68 0 30 1315 278 1090 171 910 110 790 89 660 61 0 40 1295 290 1070 182 865 122 740...

Страница 4: ...5 220 1425 160 2235 595 1945 382 1725 262 1590 202 1430 165 0 10 2175 639 1910 427 1685 287 1545 234 1400 176 2205 611 1915 397 1695 280 1550 218 1400 193 0 20 2145 658 1885 449 1635 309 1490 246 1325...

Страница 5: ...ludes integrated control interlock switch and transformer Blower Assembly Power Choke 4 and 5 Ton Only PARTS ARRANGEMENT Heat Exchanger Combustion Air Inducer Gas Valve Intake Air Elbow Access Panel I...

Страница 6: ...system consisting of an in tegrated control figure 3 with control terminal designa tions in tables 1 2 and 3 sensor and ignitor figure 6 The integrated control and ignitor work in combination to en su...

Страница 7: ...e Switch In 11 Rollout Switch In 12 Gas Valve Out TABLE 3 1 4 QUICK CONNECT TERMINALS 120HUM Humidifier 120VAC LINE 120VAC XFMR Transformer 120VAC CIRC Indoor blower 120VAC EAC Indoor air quality acce...

Страница 8: ...Open or Watchguard Mode Limit Switch Open longer than 3 minutes 8 Rollout Switch Open 9 Pressure Switch failed to close or opened during heat demand 10 Watchguard Pressure Switch opened 5 times durin...

Страница 9: ...air temperature once the heat demand is satisfied Note the supply air temperature at the instant the blower is de energized Adjust the fan off delay to achieve a supply air temperature between 90 110...

Страница 10: ...h unit model number See Lennox Repair Parts Handbook if limit switch must be replaced 7 Gas Valve Figure 6 The valve is internally redundant to assure safety shut off If the gas valve must be replaced...

Страница 11: ...ry make note of the tubing connections to the gas valve See figure 8 NOTE The switch is factory set and is not field adjustable It is a safety shut down control in the furnace and must not be by passe...

Страница 12: ...Page 12 FIGURE 8 Replacing the Pressure Switch or Tubing...

Страница 13: ...s correct then then there is a problem with the wiring between the jack plug and control If the reading is not correct the issue is the ignitor Meter set to ohms Test 3 Insert meter probes into the te...

Страница 14: ...shooting the Motor Troubleshooting the motor is an easy process Follow steps below 1 Shut off power to unit 2 Remove input plugs P48 and P49 from motor See figure 12 for troubleshooting procedure If c...

Страница 15: ...s fan 1 2 3 4 or 5 on input plug P49 If 24 volts is not present problem may be up stream of plug P49 Proceed to test 4 Multi Meter set to VAC 12 0 12 0 24 Multi Meter set to VAC Check for 24 volts acr...

Страница 16: ...read approximate ly the same resistance within an ohm 3 Check to see if the blower wheel spins freely FIGURE 15 Motor Test TABLE 8 Scale Measurement range in words ohms 2 M two megohm two million ohm...

Страница 17: ...it if service is to be performed 3 Remove the upper access panel 4 Move gas valve switch to OFF position Do not force See figure 17 5 Replace the upper access panel B Safety or Emergency Shutdown Disc...

Страница 18: ...he supply pressure tap See figure 16 Loosen the screw and connect a manometer to measure supply pressure See table10 for supply line pressure Tighten screw after measurements have been taken Manifold...

Страница 19: ...s a poor or partial ground Compare the readings to the table below If the read ings exceed the maximum shown in table 12 make re pairs before operating the furnace 2 In addition measure the AC voltage...

Страница 20: ...ply and return air plenums Insert manometer hose flush with inside edge of hole or insulation Seal around the hose with permagum Connect the zero end of the manometer to the discharge supply side of t...

Страница 21: ...X 1 1 16 X 25 X 1 1 C 21 16 X 25 X 1 1 20 X 25 X 1 1 6 Evaluate the heat exchanger integrity by inspecting the heat exchanger per the AHRI heat exchanger inspec tion procedure This procedure can be v...

Страница 22: ...gn matter Remove any blockage Figure 23 shows burner detail Replace gasket between burner plate and air fuel plenum then re install burner plate 10 To clean the combustion air inducer visually inspect...

Страница 23: ...BLY HEAT EXCHANGER REMOVAL FIGURE 23 Gas Valve Air Intake Assembly leave intact Heat Exchanger Air Gas Plenum Gasket Burner Burner Box Liner leave intact FIGURE 24 Remove 5 screws if necessary either...

Страница 24: ...ue 5 A92 integrated control energizes B6 combustion air inducer S18 combustion air pressure switch closes Once S18 closes a 15 second pre purge follows 6 A92 integrated control energizes R33 ignitor A...

Страница 25: ...rated control energizes B6 combustion air inducer S18 combustion air pressure switch closes Once S18 closes a 15 second pre purge follows 6 A92 integrated control energizes R33 ignitor A 20 second war...

Страница 26: ...VE ENERGIZED GAS VALVE OFF COMBUSTION AIR INDUCER ON INDOOR BLOWER ON HEATING SPEED LED FLASHES CODE 11 PRESSURE SWITCH CLOSED GAS VALVE OFF COMBUSTION AIR INDUCER OFF INDOOR BLOWER OFF WITH DELAY Seq...

Страница 27: ...IMES FLAME SIGNAL 1 5 MICROAMPS OR GREATER YES YES YES ROLLOUT SWITCH CLOSED LED FLASHES CODE 8 ROLLOT SWITCH OPEN GAS VALVE POWER OFF COMBUSTION AIR INDUCER POWER ON INDOOR BLOWER ON SEQUENCE HOLDS U...

Страница 28: ...OSED LED SLOW FLASH 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 COMP...

Страница 29: ...FAN SWITCHED TO COOL SPEED EAC TERM REMAINS ON THERMOSTAT OPENS MANUAL FAN SELECTION MADE AT THERMOSTAT CONTROL G ENERGIZES SYSTEM FAN AT FAN SPEED EAC TERM ENERGIZED NO YES YES NO SYSTEM FAN SWITCHE...

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