background image

Page 17

BL

OWE

R DA

TA

1.

0 H

P

BLOWER T

ABLE INCLUDES RESIST

ANCE FOR BASE UNIT ONL

Y WITH DR

Y INDOOR COIL

 AND 

AIR FIL

TERS IN PLACE.

FOR 

ALL

 UNITS ADD:

 

1 - 

Any factory installed options air resistance (heat section, economizer

, etc.).

 

2 - 

Any field installed accessories air resistance (duct resistance, diffuser

, etc.).

Minimum 

Air V

olume Required For Different Gas Heat Sizes: 

Standard Heat - 1075 cfm; Medium Heat - 1

150 cfm; High Heat - 1500 cfm

See page 20 for wet coil and options/accessory air resistance data.

DOWNFLOW

External

 

Static

 

Press.

 

in. w

.g.

Percentage of T

otal Motor T

orque

20%

30%

40%

50%

60%

70%

80%

90%

100%

Cfm

W

atts

RPM

Cfm

W

atts

RPM

Cfm

W

atts

RPM

Cfm

W

atts

RPM

Cfm

W

atts

RPM

Cfm

W

atts

RPM

Cfm

W

atts

RPM

Cfm

W

atts

RPM

Cfm

W

atts

RPM

0

1067

11

2

488

1325

196

573

1583

279

657

1759

381

726

1934

482

794

2046

579

845

2157

676

896

2285

816

956

2358

925

989

0.1

984

97

537

1249

184

616

1513

270

695

1697

376

760

1881

481

825

2002

584

873

2123

686

921

2273

838

978

2352

947

1008

0.2

912

91

587

1183

180

661

1453

268

735

1644

377

796

1835

486

856

1964

593

902

2093

700

947

2264

863

1001

2349

973

1030

0.3

851

92

636

1126

183

706

1400

273

775

1597

385

832

1794

497

889

1931

607

932

2067

717

974

2256

891

1026

2348

1001

1053

0.4

797

100

687

1075

192

751

1353

283

815

1555

397

869

1757

511

922

1901

625

962

2044

738

1002

2248

919

1051

2347

1031

1077

0.5

752

11

4

737

1032

206

796

1312

298

855

1518

413

905

1724

528

955

1873

644

993

2021

760

1030

2239

948

1078

2345

1061

1102

0.6

712

132

787

994

224

842

1275

316

896

1484

432

942

1692

548

988

1845

666

1024

1998

783

1059

2228

977

1104

- - -

- - -

- - -

0.7

678

155

836

960

246

886

1242

336

936

1452

452

979

1662

568

1021

1818

687

1055

1974

806

1088

2214

1004

1131

- - -

- - -

- - -

0.8

648

180

885

929

269

931

1210

358

976

1421

474

1016

1632

589

1055

1790

709

1086

1948

828

111

7

2195

1028

1158

- - -

- - -

- - -

0.9

621

207

933

900

294

974

1179

381

1015

1390

495

1051

1600

609

1087

1760

728

111

7

1919

847

1146

2170

1049

1185

- - -

- - -

- - -

1.0

596

235

981

872

319

1017

1148

403

1053

1357

516

1086

1566

628

111

9

1725

746

1147

1884

864

1174

2139

1066

1212

- - -

- - -

- - -

1.1

- - -

- - -

- - -

- - -

- - -

- - -

111

5

424

1090

1322

534

1120

1528

643

1150

1686

760

1176

1844

876

1201

2100

1078

1238

- - -

- - -

- - -

1.2

- - -

- - -

- - -

- - -

- - -

- - -

1080

443

1126

1283

549

1153

1485

655

1180

1641

770

1204

1797

884

1228

2052

1083

1264

- - -

- - -

- - -

1.3

- - -

- - -

- - -

- - -

- - -

- - -

1040

458

1161

1238

561

1185

1436

663

1209

1589

775

1231

1742

886

1253

1993

1081

1288

- - -

- - -

- - -

1.4

- - -

- - -

- - -

- - -

- - -

- - -

996

469

1194

1189

567

1215

1381

665

1236

1530

773

1257

1678

881

1277

1923

1071

131

1

- - -

- - -

- - -

HORIZONT

AL

External

 

Static

 

Press.

 

in. w

.g.

Percentage of T

otal Motor T

orque

20%

30%

40%

50%

60%

70%

80%

90%

100%

Cfm

W

atts

RPM

Cfm

W

atts

RPM

Cfm

W

atts

RPM

Cfm

W

atts

RPM

Cfm

W

atts

RPM

Cfm

W

atts

RPM

Cfm

W

atts

RPM

Cfm

W

atts

RPM

Cfm

W

atts

RPM

0

1087

111

493

1304

184

579

1520

257

665

1689

368

738

1857

478

810

1972

588

864

2087

698

918

2196

844

975

2283

925

1000

0.1

1021

104

537

1246

180

618

1470

255

699

1646

368

768

1821

480

837

1941

592

888

2061

704

938

2179

852

992

2255

926

1017

0.2

961

102

582

1193

181

658

1425

259

734

1607

373

799

1789

487

864

1914

601

912

2039

714

960

2163

864

1012

2231

932

1034

0.3

906

106

628

1145

186

699

1384

266

769

1572

382

831

1759

498

892

1889

613

938

2018

728

984

2149

879

1033

2209

941

1053

0.4

855

11

3

674

1101

196

740

1347

278

806

1540

396

864

1732

513

921

1866

629

965

1999

744

1008

2134

896

1054

- - -

- - -

- - -

0.5

808

125

720

1060

209

781

1312

293

842

1509

412

896

1706

530

950

1843

646

992

1980

762

1033

21

19

915

1077

- - -

- - -

- - -

0.6

764

139

766

1022

225

823

1279

310

879

1481

430

930

1682

549

980

1821

666

1019

1960

782

1058

2102

935

1101

- - -

- - -

- - -

0.7

722

155

812

985

242

864

1247

328

916

1452

449

964

1657

569

101

1

1799

686

1048

1940

803

1084

2084

955

1125

- - -

- - -

- - -

0.8

682

172

858

949

260

906

1216

348

953

1424

469

997

1632

589

1041

1776

706

1076

1919

823

1111

2063

974

1150

- - -

- - -

- - -

0.9

643

191

903

914

279

946

1185

367

989

1396

489

1030

1606

610

1071

1751

727

1104

1895

843

1137

2039

992

1175

- - -

- - -

- - -

1.0

- - -

- - -

- - -

- - -

- - -

- - -

1153

386

1024

1366

508

1062

1579

629

1100

1724

745

1132

1869

861

1163

201

1

1008

1201

- - -

- - -

- - -

1.1

- - -

- - -

- - -

- - -

- - -

- - -

1120

404

1059

1334

525

1095

1548

646

1130

1694

761

1160

1839

876

1189

1979

1021

1226

- - -

- - -

- - -

1.2

- - -

- - -

- - -

- - -

- - -

- - -

1085

420

1093

1300

541

1126

1515

661

1158

1660

775

1186

1805

889

1214

1941

1031

1250

- - -

- - -

- - -

1.3

- - -

- - -

- - -

- - -

- - -

- - -

1047

433

1126

1263

553

1156

1478

672

1186

1622

785

1213

1766

898

1239

1897

1037

1275

- - -

- - -

- - -

1.4

- - -

- - -

- - -

- - -

- - -

- - -

1005

442

1158

1221

561

1185

1436

680

1212

1579

792

1238

1721

903

1263

1847

1037

1298

- - -

- - -

- - -

Содержание LCT036

Страница 1: ...Ton GAS AND COOLING PACKAGED UNITS 508286 01 7 2022 WARNING To prevent serious injury or death 1 Lock out tag out before performing maintenance 2 If system power is required e g smoke detector mainte...

Страница 2: ...TOM SUPPLY AIR OPENING TOP VIEW Base CENTER OF GRAVITY 9 1 2 241 6 5 8 168 26 1 2 673 5 5 8 143 29 737 7 178 BOTTOM RETURN AIR OPENING BOTTOM CONDENSATE OUTLET 25 3 4 654 BOTTOM POWER ENTRY 3 X 8 76 X...

Страница 3: ...L GAS VALVE BURNERS COMBUSTION AIR INDUCER BLOWER DIRECT DRIVE TXV UNIT CONTROLLER REHEAT COIL OPTIONAL COIL GUARDS OPTIONAL LCT036 048 060 072 PARTS ARRANGEMENT 8 8 8 8 ELECTRIC HEAT OPTIONAL EVAPORA...

Страница 4: ...es and or incar ceration may be levied for non compliance WARNING Electric shock hazard and danger of explosion Can cause injury death or product or property damage Turn off gas and electrical power t...

Страница 5: ...air by pass and promote a proper seal with the RTU duct work duct drops diffuser assemblies must be supported independently to the building structure A Downflow Discharge Application Roof Mounting wit...

Страница 6: ...ght with all available factory installed accessories 404 395 Unit Weight Lbs Kg CAUTION Do not walk on unit 891 871 Horizontal Air Discharge Unit is shipped with panels covering the horizontal supply...

Страница 7: ...mm per 10 3 m of line MOUNTING FRAME OPEN VENT CONDENSATE SIDE DRAIN CONNECTION NOTE Allow clearance to open doors when installing condensate piping CAULK AROUND CONDENSATE COUPLING FIGURE 6 UNIT Min...

Страница 8: ...Replace the condensate drain mullion Connect Gas Piping Gas Units Before connecting field provided piping check with gas company or authorities having jurisdiction for local code requirements When ins...

Страница 9: ...ound joint type After all connections have been made check all piping connections for gas leaks Also check existing unit gas connections up to the gas valve loosening may occur during installation Use...

Страница 10: ...e the unit See figure 14 for the app menu overview If a mobile device is unavailable or not pairing refer to the Unit Controller Setup Guide for start up instructions Electrical Connections Power Supp...

Страница 11: ...ctions provided with thermostat 3 Connect thermostat wiring to Unit Controller on the lower side of the controls hat section 4 Wire as shown in figure 15 for electro mechanical and electronic thermost...

Страница 12: ...AIN CONNECTED AS SHOWN ON THE RIGHT TO UNIT CONTROLLER 2 THERMOSTAT INPUTS FIGURE 16 FIELD WIRING IN ZONE SENSOR MODE Zone Sensor Mode A2 SENSOR OUTPUTS SENSOR SENSOR 24VAC R C IAQ HUM AI1 D01 TMP D02...

Страница 13: ...able codes 2 Inspect all electrical wiring both field and factory installed for loose connections Tighten as required 3 Check to ensure that refrigerant lines do not rub against the cabinet or against...

Страница 14: ...g Unit CFM The supply CFM can be adjusted by changing Unit Controller settings Refer to table 4 for menu paths and default settings Record any CFM changes on the parameter settings label located on th...

Страница 15: ...static blowers BLOWER VENTILATION CFM Percentage of torque for high static blower ventilation speed SETUP TEST BALANCE DAMPER BLOWER HIGH CFM DAMPER POS Minimum damper position for high speed blower...

Страница 16: ...165 1400 510 1183 1489 559 1196 1 1 576 230 1158 751 283 1170 925 336 1182 1052 387 1193 1179 437 1203 1345 518 1221 1430 566 1235 1 2 521 234 1199 695 288 1210 869 341 1220 995 391 1230 1121 441 1240...

Страница 17: ...139 1066 1212 1 1 1115 424 1090 1322 534 1120 1528 643 1150 1686 760 1176 1844 876 1201 2100 1078 1238 1 2 1080 443 1126 1283 549 1153 1485 655 1180 1641 770 1204 1797 884 1228 2052 1083 1264 1 3 1040...

Страница 18: ...320 588 2362 620 2404 651 2444 685 2000 2103 385 2148 417 2193 450 2239 483 2283 516 2325 550 2367 584 2408 620 2449 658 2490 696 2529 735 2568 777 2605 822 2200 2299 478 2342 514 2384 552 2426 590 24...

Страница 19: ...96 2153 520 1600 1778 258 1827 290 1876 323 1923 355 1970 386 2015 416 2059 444 2102 470 2144 494 2185 519 2227 545 2268 572 2309 600 1800 1973 352 2018 383 2063 415 2107 445 2151 476 2194 504 2237 53...

Страница 20: ...0 18 0 05 0 08 0 10 2200 0 11 0 04 0 04 0 04 0 07 0 05 0 18 0 05 0 08 0 11 2400 0 13 0 04 0 04 0 05 0 08 0 05 0 20 0 05 0 08 0 12 POWER EXHAUST FAN PERFORMANCE Return Air System Static Pressure in w...

Страница 21: ...economizer disabled until system stabilizes approximately five minutes Make sure all outdoor air dampers are closed 2 Compare the normal operating pressures to the pressures obtained from the gauges C...

Страница 22: ...psig Suct psig Disc psig Suct psig Disc psig Suct psig Disc psig 114 232 116 271 118 314 120 361 122 412 124 468 123 235 125 274 127 317 130 364 132 415 134 471 142 241 145 280 148 323 150 370 153 422...

Страница 23: ...ig Suct psig Disc psig Suct psig Disc psig Suct psig Disc psig 117 244 120 281 122 324 123 372 124 426 124 485 124 247 128 284 131 327 134 375 135 429 136 489 139 255 144 292 149 335 153 383 157 437 1...

Страница 24: ...ig Suct psig Disc psig Suct psig Disc psig Suct psig Disc psig 112 245 114 283 116 327 117 379 120 429 122 487 120 249 123 288 125 331 127 380 130 433 132 491 139 259 142 297 145 341 147 389 150 444 1...

Страница 25: ...ig Suct psig Disc psig Suct psig Disc psig Suct psig Disc psig 110 260 112 301 115 348 117 401 118 459 120 524 118 263 121 304 124 350 126 403 128 462 130 526 135 272 139 313 143 359 146 412 149 470 1...

Страница 26: ...psig Suct psig Disc psig Suct psig Disc psig Suct psig Disc psig 114 239 116 278 118 325 121 378 123 438 125 505 123 241 125 280 128 326 130 379 132 438 135 505 142 248 145 286 148 330 151 382 153 441...

Страница 27: ...psig Suct psig Disc psig Suct psig Disc psig Suct psig Disc psig 117 253 120 289 122 333 123 386 124 447 124 516 125 254 129 290 131 334 134 386 135 447 136 515 140 261 145 295 150 338 154 390 157 449...

Страница 28: ...ig Suct psig Disc psig Suct psig Disc psig Suct psig Disc psig 109 254 111 293 112 337 114 387 116 442 118 502 118 259 120 298 122 342 124 392 126 447 128 508 137 270 139 309 142 354 145 403 147 458 1...

Страница 29: ...by arrows at junction points 1 High Pressure Switch S4 The compressor circuit is protected by a high pressure switch which opens at 640 psig 10 psig 4413 kPa 70 kPa and automatically resets at 475 psi...

Страница 30: ...refrigeration circuit These temperatures are used as feedback in certain modes of unit operation In addition the Unit Controller uses these temperatures to initiate alarms such as loss of condenser or...

Страница 31: ...Page 31 LGT LCT036 048 060 072 FIGURE 21 YELLOW RT46 CLAMP THERMISTOR TO BARE COPPER DETAILS NOT TO SCALE 22J06 LGT LCT 036 048 060 072 EVAPORATOR COIL RT46...

Страница 32: ...Page 32 LGT LCT036 048 060 072 FIGURE 22 YELLOW RT48 DETAILS NOT TO SCALE 23V50 LGT LCT036 048 060 072 CONDENSER COIL RT48...

Страница 33: ...Room Sensor 1 Economizer With Outdoor Air Suitable Y1 Demand Compressors Off Blower Low Dampers Modulate Y2 Demand Compressor Low Blower High Dampers Full Open Note Compressor is energized after damp...

Страница 34: ...y to repair it Call a qualified service technician Force or attempted repair may result in a fire or explosion WARNING Danger of explosion Can cause injury or death Do not attempt to light manually Un...

Страница 35: ...shes Ignition lockout from too many trials 4 Flashes Ignition lockout from too many flame losses within single call for heat 5 Flashes Control hardware fault detected C Limit Controls Limit controls a...

Страница 36: ...ntrol menu A setting of 100 will operate reheat from an energy management system digital output The reheat setpoint can also be adjusted using an optional Network Control Panel NCP Reheat will termina...

Страница 37: ...EHEAT VALVE RETURN AIR CONDENSER COIL OUTDOOR AIR COMPRESSOR SUPPLY AIR CHECK VALVE EXPANSION VALVE FIGURE 24 COIL COOLING MODE REFRIGERANT ROUTING REHEAT COIL EVAPORATOR REHEAT VALVE RETURN AIR CONDE...

Страница 38: ...on filter frame when reinstalling filters See figure 26 NOTE Filters must be U L C certified or equivalent for use in Canada B Lubrication All motors are lubricated at the factory No further lubricat...

Страница 39: ...BURNERS IGNITOR REMOVE INDIVIDUAL BURNERS ON OLDER UNITS REMOVE THE ENTIRE BURNER ASSEMBLY ON NEWER UNITS FIGURE 28 IGNITOR SPARK GAP SHOULD BE 1 8 3mm FIGURE 29 BURNER ORIENTATION One and Two Stage...

Страница 40: ...INDUCER VENT CONNECTOR GAS VALVE HEAT EXCHANGER TUBE PRIMARY LIMIT ROLLOUT SWITCH FLUE BOX COVER E Flue Box Gas Units Remove flue box cover only when necessary for equipment repair Clean inside of fl...

Страница 41: ...et See figure 31 Retain the screw to secure the back side of the ionizer bracket 2 Remove two screws securing the front side of the ionizer bracket and pull out of unit and clean brushes 3 Replace ion...

Страница 42: ...blower access door 6 Allow 10 minutes before touching the lamps Then carefully remove the old lamp from the lamp holder clips 7 Wear cotton gloves or use a cotton cloth when handling the new lamp Plac...

Страница 43: ...ate units that are obviously damaged Do not discard the triangular UVC light shield or any barriers with an ultraviolet radiation symbol Do not override the door interlock switch that interrupts power...

Страница 44: ...5A 2Fuses F10 and F61 are only used on units with SCCR installed 3Units using Circuit Breakers will use CB10 option LGT060 Unit Voltage 208 230V 1 Ph 208 230V 3 Ph 460V 3Ph 575V 3Ph Power Exhaust Opti...

Страница 45: ...E W O P E W P E W O P E W P E W O P E W P E W O P E W P E W O P E Diagram Key Class Blower Type Amps Amps F3 RK or K LS 40 40 25 25 15 15 15 15 40 40 50 50 25 25 20 20 F42 RK or K LS 40 40 F4 RK or K1...

Страница 46: ...15 15 15 50 45 35 35 15 15 15 15 F4 RK or K1 HS 35 30 15 15 15 15 35 30 15 15 15 15 F102 CC LS 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 F27 CC LS 7 5 7 5 7 5 7 5 F30 CC LS 10 10 10 10 5 5 10 10 10 10 5 5 F31...

Страница 47: ...15 15 60 60 30 30 25 25 CB103 LS 60 60 40 40 20 15 15 15 100 90 60 60 30 30 25 25 CB103 HS 40 35 20 15 15 15 60 60 30 30 25 25 1When SCCR is installed F4 fuse is Class J 2Fuses F10 and F61 are only u...

Страница 48: ...J 2Fuses F10 and F61 are only used on units with SCCR installed 3Units using Circuit Breakers will use CB10 option LCT072 Continued Electric Heat Size 22 5 KW 30 KW Unit Voltage Y Volt G Volt J Volt Y...

Страница 49: ...economizer is installed using a single enthalpy sensor change configuration I D 1 the second character to S TABLE 16 581038 Units With BACnet Settings RTU Menu Network Integration Network Setup Wizar...

Страница 50: ...t Installed N Damper Position A A34 Pressure Sensor C 5 Network Module N Not Installed L LonTalk Lennox 6 Blower Variable Frequency Drive Bypass N Not Installed A Automatic Bypass M Manual Bypass U Un...

Страница 51: ...lled 1 Air Flow Proving Switch S52 3 Overflow Switch S149 S179 4 Reserved Reserved for future use N 7 Zone Bypass Damper N Not Installed Y Installed FIGURE 37 10 Reserved N Not Installed Not Installed...

Страница 52: ...voltage __________ Cooling Checks Compressor Rotation Ambient Temp ________Return Air Temp ________ Supply Air Temp ________ Compressor Amps Compressor Volts Pressures Condenser Fan Amps CC Heater Am...

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