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Page 20

BLOWER DATA

094, 122 AND 152 DIRECT DRIVE BLOWER ALL MODELS − BASE UNIT

BLOWER TABLE INCLUDES RESISTANCE FOR BASE UNIT ONLY (NO HEAT SECTION) WITH DRY INDOOR COIL AND AIR 

FILTERS IN PLACE.

FOR ALL UNITS ADD:
1 − Wet indoor coil air resistance of selected unit.

 

2 − Any factory installed options air resistance (heat section, economizer, etc.)

 

3 − Any field installed accessories air resistance (duct resistance, diffuser, etc.)

 

See page 21 for wet coil and option/accessory air resistance data.

MAXIMUM STATIC PRESSURE WITH GAS HEAT - 2.0 in. w.g.
MINIMUM AIR VOLUME REQUIRED FOR USE WITH OPTIONAL ELECTRIC HEAT (Maximum Static Pressure - 2.0 in. w.g.)

094 Models - 7.5 kW - 1750 cfm

 

All Models - 15 kW, 22.5 kW, 30 kW, 45 kW - 2750 cfm

 

122 and 152 Models - 60 kW - 3500 cfm

Total

 

Air Volume

 

cfm

Total Static Pressure - in. w.g.

0.2

0.4

0.6

0.8

1.0

1.2

1.4

RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts

1750

711

188

771

279

836

366

905

453

975

544

1044

640

1109

737

2000

752

242

812

332

876

420

944

510

1011

606

1075

709

1138

812

2250

799

300

860

389

923

479

988

575

1052

678

1113

787

1171

896

2500

853

362

914

453

976

548

1038

650

1097

761

1154

877

1209

990

2750

914

434

974

529

1033

629

1091

739

1146

858

1199

979

1250

1098

3000

980

513

1037

614

1092

720

1146

837

1198

961

1247

1088

1295

1215

3250

1048

598

1101

705

1153

819

1203

941

1251

1071

1298

1206

1343

1343

3500

1116

693

1166

809

1214

931

1261

1060

1307

1198

1351

1341

1395

1489

3750

1185

806

1232

931

1277

1063

1322

1201

1365

1348

1407

1499

1448

1657

4000

1254

937

1299

1072

1341

1214

1383

1363

1424

1518

1464

1679

1503

1844

4250

1324

1089

1366

1234

1406

1386

1445

1545

1484

1708

1522

1876

1559

2046

4500

1395

1262

1433

1417

1471

1579

1508

1745

1544

1913

1581

2084

1616

2256

4750

1465

1455

1501

1619

1536

1787

1571

1957

1606

2128

1641

2299

1675

2470

5000

1534

1666

1568

1834

1602

2004

1635

2174

1668

2345

1701

2514

1735

2682

5250

1603

1887

1635

2055

1667

2224

1699

2392

1731

2559

1763

2724

- - -

- - -

5500

1671

2110

1702

2275

1733

2441

1764

2605

- - -

- - -

- - -

- - -

- - -

- - -

5750

1738

2325

1768

2488

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

Total

 

Air Volume

 

cfm

Total Static Pressure - in. w.g.

1.6

1.8

2.0

2.2

2.4

2.6

RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts

1750

1172

833

1231

932

1287

1039

1340

1156

1391

1283

1442

1426

2000

1197

913

1253

1019

1306

1135

1357

1261

1407

1398

1457

1547

2250

1227

1003

1280

1117

1330

1242

1379

1378

1428

1525

1477

1680

2500

1261

1103

1311

1226

1360

1361

1407

1507

1454

1663

1501

1826

2750

1299

1219

1347

1350

1394

1494

1440

1649

1485

1813

1530

1982

3000

1342

1346

1388

1487

1432

1640

1476

1803

1520

1973

1563

2146

3250

1388

1485

1432

1638

1475

1800

1517

1969

1558

2143

1600

2319

3500

1437

1643

1479

1805

1519

1975

1560

2148

1600

2325

1640

2502

3750

1489

1821

1528

1990

1567

2164

1605

2340

1645

2517

1685

2693

4000

1541

2014

1579

2187

1616

2364

1654

2540

1693

2715

1732

2887

4250

1596

2218

1632

2393

1668

2569

1705

2742

1743

2913

- - -

- - -

4500

1652

2429

1687

2603

1722

2775

1759

2944

- - -

- - -

- - -

- - -

4750

1709

2641

1743

2811

1778

2979

- - -

- - -

- - -

- - -

- - -

- - -

5000

1768

2850

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

5250

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

5500

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

5750

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

Содержание LCH092H

Страница 1: ...Lifting Page 7 Condensate Drains Page 7 Gas Piping Page 9 Pressure Test Gas Piping Page 10 High Altitude Derate Page 11 Electrical Connections Page 11 Blower Operation and Adjustments Page 14 INSTALLA...

Страница 2: ...NING 24 610 5 5 8 143 6 1 8 156 6 1 8 156 6 5 8 168 28 711 27 686 20 508 AA DD EE FF BOTTOM BASE BASE CONDENSATE 101 1 4 2572 BB CC BOTTOM SUPPLY AIR OPENING 60 1 8 1527 34 7 8 886 7 178 7 178 BOTTOM...

Страница 3: ...24 610 5 5 8 143 6 1 8 156 6 1 8 156 6 5 8 168 28 711 27 686 20 508 AA DD EE FF BOTTOM CONDENSATE 124 3 8 3159 BB CC BOTTOM SUPPLY AIR OPENING 34 7 8 886 BASE 273 10 3 4 7 178 7 178 BOTTOM POWER ENTR...

Страница 4: ...ITS WITH DIRECT DRIVE BLOWER HINGED ACCESS PANEL OPTIONAL OUTDOOR FAN TRANSFORMER 094 122 152 460V OR 570V UNITS LCH092 094 102 120 122 150 152 PARTS ARRANGEMENT OUTDOOR FAN TRANSFORMER 094 122 152 46...

Страница 5: ...ive or VFD High efficiency units are available with a belt drive blower equipped with an optional supply air inverter The blower will operate at lower speeds when demand is low and increase to higher...

Страница 6: ...stallation instructions Unit Support In downflow discharge installations install the unit on a non combustible surface only Unit may be installed on combustible surfaces when used in horizontal discha...

Страница 7: ...ing 4 Place field provided H style pick in place just above top edge of unit Frame must be of adequate strength and length H style pick prevents damage to unit Condensate Drains Make drain connection...

Страница 8: ...er access door Refer to figure 6 REMOVE THREE SCREWS PER HINGE FIGURE 6 CONDENSATE DRAIN MULLION UNITS WITH HINGED PANELS FILTER DOOR 3 Open filter access door hinges and carefully remove door 4 Remov...

Страница 9: ...Replace the condensate drain mullion and reinstall eight screws 14 Reinstall filter door on hinges Connect Gas Piping Gas Units Before connecting piping check with gas company or authorities having ju...

Страница 10: ...main shut off valve and union furnished by installer be installed in gas line external to unit Union must be of the ground joint type After all connections have been made check all piping connections...

Страница 11: ...nsformer s Reconnect the red wire 208V Tape the exposed end of the 230V orange wire 2 Route power through the bottom power entry area On gas units or units with electric heat connect power wiring to T...

Страница 12: ...ltage they must be routed away from line voltage wiring Use wire ties located on the front border of the control panel to secure thermostat cable Use18 AWG wire for all applications using remotely ins...

Страница 13: ...Belden type 8762 or 88760 plenum or equivalent Connect both cable shield drain wires to the Unit Controller as shown in figure 17 Wire runs of 150 feet mm or less Use two separate shielded cables con...

Страница 14: ...er during start up If the voltage or phase is incorrect the Unit Controller will display an alarm and the unit will not start A Blower Operation Note On units with staged blowers use the Unit Controll...

Страница 15: ...MOTOR MOUNTING BASE LOOSEN BEFORE ADJUSTING BELT TENSION TWO EACH SIDE REMOVE TWO SCREWS ON EACH SIDE TO SLIDE FRAME PARTIALLY OUT OF UNIT FOR SERVICE ACCESS MOTOR BLOWER HOUSING BLOWER FRAME GAP BETW...

Страница 16: ...surements are taken 2 With all access panels in place measure static pressure external to unit from supply to return Blower performance data is based on static pressure readings taken in locations sho...

Страница 17: ...adjusting bolt to the left or counterclockwise to loosen belt tension IMPORTANT Align edges of blower motor base and mounting frame base parallel before tightening four bolts on the side of base Moto...

Страница 18: ...82 1166 1 95 2000 493 0 29 561 0 47 629 0 64 700 0 77 768 0 9 832 1 02 892 1 17 946 1 33 995 1 49 1041 1 66 1085 1 81 1126 1 97 1167 2 12 2250 507 0 37 574 0 56 643 0 72 712 0 86 779 0 99 842 1 13 900...

Страница 19: ...05 2 29 1154 2 47 1206 2 68 3000 564 0 66 626 0 84 692 1 01 759 1 16 819 1 32 874 1 49 924 1 68 971 1 88 1017 2 08 1063 2 26 1110 2 44 1158 2 63 1208 2 83 3250 585 0 79 648 0 98 714 1 14 778 1 31 836...

Страница 20: ...931 1261 1060 1307 1198 1351 1341 1395 1489 3750 1185 806 1232 931 1277 1063 1322 1201 1365 1348 1407 1499 1448 1657 4000 1254 937 1299 1072 1341 1214 1383 1363 1424 1518 1464 1679 1503 1844 4250 1324...

Страница 21: ...ELD INSTALLED ACCESSORY AIR RESISTANCE in w g Air Volume cfm Wet Indoor Coil Gas Heat Exchanger Electric Heat Econo mizer Humiditrol Condenser Reheat Coil Filters Return Air Adaptor Plate Standard Hea...

Страница 22: ...45 51 6T 1VP50X7 8 P 8 2187 BK67X1 100244 24 BX65 100245 08 7T 1VP44X1 1 8 100239 07 BK77X1 49K4001 BX68 88K3401 8T 1VP56X1 1 8 P 8 1492 BK85X1 49K4101 BX70 31K9601 9T 1VP50X1 1 8 P 8 1977 BK67X1 1002...

Страница 23: ...a low side of 30 vacuum to 250 psi with dampened speed to 500 psi Gauge hoses must be rated for use at up to 800 psi of pressure with a 4000 psi burst rating FIGURE 25 REFRIGERANT STAGES 092H 102H 12...

Страница 24: ...Make sure all outdoor air dampers are closed 2 Check each system separately with all stages operating Compare the normal operating pressures see tables 7 9 to the pressures obtained from the gauges Ch...

Страница 25: ...sig Disc psig Suct psig Disc psig Circuit 1 110 232 112 270 113 313 116 360 118 411 121 468 120 235 121 274 123 316 125 363 127 415 132 469 139 243 142 281 145 323 146 371 148 423 151 479 155 254 160...

Страница 26: ...e psig Outdoor Temperature F 115 105 95 85 75 65 LGH LCH092H4 Charging Curves All Aluminum TXV 580445 03 130 60 70 80 90 100 110 120 Suction Pressure psig Liquid Temperature F 115 105 95 85 75 65 110...

Страница 27: ...Pressure psig 115 105 95 85 75 65 60 70 80 90 100 110 120 130 100 110 120 130 140 150 160 170 180 Liquid Temperature F LGH LCH120H Charging Curves All Aluminum TXV Circuit 1 Circuit 2 Outdoor Temperat...

Страница 28: ...tem Correct any system problems before proceeding 6 If discharge pressure is high remove refrigerant from the system If discharge pressure is low add refrigerant to the system Add or remove charge in...

Страница 29: ...67 135 95 F 400 139 414 137 105 F 451 142 467 140 115 F 508 145 523 143 Charge Verification Approach Method AHRI Testing Fin Tube Coil Continued 1 Using the same thermometer compare liquid temperature...

Страница 30: ...ations Significant differences could mean that the system is not properly charged or that a problem exists with some component in the system Correct any system problems before proceeding 6 If discharg...

Страница 31: ...ains adequate discharge pressure by de energizing condenser fans when liquid pressure falls below 240 psig 10 1655 kPa 69 S11 is installed in the liquid line Switch closes to energize condenser fan wh...

Страница 32: ...turn the gas control knob Never use tools If the knob will not push in or turn by hand do not try to repair it call a qualified service technician Force or attempted repair may result in a fire or ex...

Страница 33: ...sensor proves the flame and combustion continues 5 If flame is not detected after first ignition trial ignition control will repeat steps 3 and 4 two more times before locking out the gas valve 6 For...

Страница 34: ...U Options EDIT PARAMETER ENTER DATA ID 9 MIN DAMPER LOW BLOWER X X Measure the intake air CFM If the CFM is lower than the design specified CFM for ventilation air use the Unit Controller to increase...

Страница 35: ...ton Unit Blower Speed Airflow CFM LGH LCH092 High 3600 LGH LCH102 High 4080 LGH LCH120 High 4800 LGH LCH150 High 6000 TABLE 24 MINIMUM AND MAXIMUM CFM BELT DRIVE ULTRA HIGH EFFICIENCY BLOWERS 094U4M 1...

Страница 36: ...o fill in field provided design specified blower CFM TABLE 25 Blower CFM Design Specifications Blower Speed Design Specified CFM Heating Cooling High Cooling Low Ventilation 2 Use the following menu t...

Страница 37: ...R POSITION BLOWER ON HIGH X X Measure the intake air CFM If the CFM is lower than the design specified CFM for ventilation air use the Unit Controller to increase the damper percent open If the CFM is...

Страница 38: ...efrigerant routing and figure 32 for standard cooling refrigerant routing REHEAT COIL FIGURE 31 REHEAT MODE REFRIGERANT ROUTING STAGE 1 CONDENSER COIL STAGE 2 CONDENSER COIL STAGE 2 EVAPORATOR COIL ST...

Страница 39: ...d blower should de energize Default Reheat Operation TABLE 27 Reheat Operation Two Cooling Stages Default T stat and Humid ity Demands Operation Reheat Only Compressor 1 Reheat Reheat Y1 Compressor 1...

Страница 40: ...57 2 3 4 70 D Combustion Air Inducer Gas Units A combustion air proving switch checks combustion air inducer operation before allowing power to the gas controller Gas controller will not operate if i...

Страница 41: ...porator Coil Inspect and clean coil at beginning of each cooling season Clean using mild detergent or commercial coil cleaner Flush coil and condensate drain with water taking care not to get insulati...

Страница 42: ...appropriate character in the configuration I D For example when an economizer is installed using a single enthalpy sensor change configuration I D 1 the second character to S TABLE 29 580730 Units Wi...

Страница 43: ...dband for stage 1 power exhaust operation SETTINGS RTU OPTIONS EDIT PARAMETER 85 40 F F Compressor 1 low temp lockout Settings lower than 40 F could void warranty 86 40 F F Compressor 2 low temp locko...

Страница 44: ...power exhaust operation TABLE 36 580686 LGH LCH094U4M 122U4M 152U4M 2 Compressor Staged Belt Drive Para meter Factory Setting Field Setting Description 094 122 152 Note Any changes to Smoke CFM setti...

Страница 45: ...HIGH blower operation SETTINGS RTU OPTIONS EDIT PARAMETERS 29 101 Open Damper minimum position during G blower operation Setting para meter 29 to 101 disables para meter 29 and passes control to param...

Страница 46: ...haust 3 Not Installed N Single Stage S Dual Stage D Unconfigured U Power Exhaust Control 4 Not Installed N Damper Position A 5 Network Module N Not Installed B BACnet L LonTalk Lennox 6 Blower Variabl...

Страница 47: ...ed Y Installed 8 Load Shedding N Not Installed G Global P297 pin 9 L Installed on DI 2 U Installed on DI 3 9 Electric Heat Field Installed 1 Air Flow Proving Switch S52 3 Overflow Switch S149 S179 4 M...

Страница 48: ..._________ Cooling Checks Compressor Rotation Ambient Temp ________Return Air Temp ________ Supply Air Temp ________ Compressor Amps Compressor Volts Pressures Condenser Fan Amps CC Heater Amps L1 L2 L...

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