Lennox LHT/LDT024 Скачать руководство пользователя страница 18

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Page 18

Page 19

BLOWER DA

1.0 HP

| 4 ROW (060)

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 23 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

atts

RPM

Cfm

atts

RPM

Cfm

atts

RPM

Cfm

atts

RPM

Cfm

atts

RPM

Cfm

atts

RPM

Cfm

atts

RPM

Cfm

atts

RPM

Cfm

atts

RPM

1101

120

494

1328

196

578

1555

272

662

1728

374

731

1901

475

800

2023

580

852

2145

684

903

2292

854

970

2348

942

998

0.1

1002

541

1241

180

620

1479

260

698

1662

366

763

1845

471

827

1976

579

876

2106

687

924

2268

865

987

2334

958

1013

0.2

918

589

1167

173

663

1416

257

736

1608

366

796

1800

475

856

1938

586

902

2076

697

947

2249

880

1006

2324

978

1031

0.3

848

638

1106

174

706

1364

261

774

1564

373

830

1763

485

886

1907

599

929

2051

712

972

2234

899

1028

2316

1000

1052

0.4

790

688

1056

183

751

1321

273

814

1527

387

866

1733

501

918

1882

617

958

2031

732

998

2221

921

1051

2307

1024

1074

0.5

742

105

738

1015

197

796

1287

289

854

1498

405

902

1709

520

950

1862

637

988

2014

754

1025

2208

944

1076

2296

1048

1099

0.6

703

124

788

981

217

841

1258

310

894

1473

427

939

1688

543

984

1843

660

1019

1998

777

1053

2194

968

1101

2281

1071

1124

0.7

670

146

838

952

240

887

1233

334

935

1451

451

976

1669

568

1017

1826

685

1050

1982

801

1082

2177

991

1128

2260

1092

1151

0.8

642

172

888

927

266

932

121

360

975

1431

477

1013

1650

593

1051

1807

709

1081

1963

825

1111

2155

1012

1155

2233

1109

1178

0.9

618

200

937

904

294

976

1190

387

1015

1410

502

1050

1629

617

1084

1785

732

111

1940

846

1140

2127

1029

1182

- - -

1.0

595

229

985

882

321

1020

1168

413

1054

1387

526

1086

1605

639

111

1758

752

1143

191

864

1169

2090

1042

1209

- - -

1.1

- - -

1144

437

1092

1360

548

1120

1576

659

1148

1725

769

1173

1874

878

1197

2043

1049

1236

- - -

1.2

- - -

111

458

1129

1328

566

1154

1540

674

1179

1685

780

1202

1829

886

1225

1985

1049

1262

- - -

1.3

- - -

1080

475

1163

1288

579

1186

1496

683

1208

1634

785

1230

1772

887

1251

1913

1042

1288

- - -

1.4

- - -

1037

487

1196

1239

587

1216

1441

686

1236

1572

783

1256

1703

880

1275

1826

1024

1312

- - -

HORIZONT

External

Static

Press.

in. w

.g.

Percentage of T

otal Motor T

orque

20%

30%

40%

50%

60%

70%

80%

90%

100%

Cfm

atts

RPM

Cfm

atts

RPM

Cfm

atts

RPM

Cfm

atts

RPM

Cfm

atts

RPM

Cfm

atts

RPM

Cfm

atts

RPM

Cfm

atts

RPM

Cfm

atts

RPM

1077

502

1282

175

585

1486

237

668

1670

363

746

1854

489

823

1993

623

884

2131

757

944

2216

882

995

2268

926

1009

0.1

1016

109

546

1227

172

624

1437

234

701

1626

361

775

1814

488

848

1956

623

906

2098

757

964

2194

887

101

2242

928

1026

0.2

962

111

591

1177

174

663

1392

236

735

1585

364

805

1777

492

874

1923

627

930

2069

762

985

2175

895

1029

2218

935

1044

0.3

913

636

1133

181

703

1352

244

770

1548

372

836

1744

500

902

1893

636

955

2042

772

1007

2157

907

1048

2196

945

1063

0.4

868

130

682

1092

193

744

1315

256

806

1515

384

868

1714

512

930

1866

648

980

2018

784

1030

2139

922

1069

- - -

0.5

827

146

728

1054

209

785

1281

271

842

1484

399

901

1687

526

959

1841

663

1007

1995

799

1054

2121

938

1090

- - -

0.6

789

165

775

1019

227

827

1249

288

879

1455

416

934

1660

543

988

1816

679

1034

1972

815

1079

2102

955

111

- - -

0.7

752

185

821

986

247

869

1219

308

916

1427

435

967

1634

562

1018

1792

698

1061

1949

833

1104

2081

972

1136

- - -

0.8

718

208

867

954

268

910

1189

328

953

1399

455

1000

1608

581

1047

1767

716

1088

1925

851

1129

2058

989

1160

- - -

0.9

684

231

913

922

290

951

1160

349

989

1371

475

1033

1581

600

1077

1741

734

111

1900

868

1154

2031

1004

1185

- - -

1.0

- - -

1129

369

1025

1341

494

1066

1553

618

1106

1713

751

1143

1872

884

1179

2001

1017

1209

- - -

1.1

- - -

1097

388

1060

1310

511

1098

1522

634

1135

1682

766

1170

1841

898

1204

1966

1028

1233

- - -

1.2

- - -

1063

405

1095

1276

527

1129

1488

648

1163

1647

779

1196

1806

909

1228

1925

1034

1257

- - -

1.3

- - -

1026

420

1128

1239

540

1159

1451

659

1190

1609

788

1221

1767

917

1252

1879

1036

1281

- - -

1.4

- - -

985

431

1160

1197

548

1188

1409

665

1216

1566

793

1245

1723

920

1274

1825

1033

1304

- - -

Содержание LHT/LDT024

Страница 1: ...s Page 26 INSTALLATION INSTRUCTIONS LHT LDT024 LHT LDT036 LHT LDT048 LHT LDT060 2 Ton 3 Ton 4 Ton 5 Ton HEAT PUMP AND DUAL FUEL PACKAGED UNITS 508303 01 10 2022 Cooling Operation Page 32 Gas Heat Star...

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: ...BLOWER COMPRESSOR CONDENSER COIL REVERSING VALVE INDOOR TXV OUTDOOR TXV UNIT CONTROLLER ELECTRIC HEAT LDT024 036 048 060 PARTS ARRANGEMENT 8 8 8 8 EVAPORATOR COIL CONDENSER FAN CONDENSATE DRAIN FILTER...

Страница 4: ...Installation of Residence Type Warm Air Heating and Air conditioning Systems NFPA No 90B local municipal building codes and manufacturer s installation instructions IMPORTANT The Clean Air Act of 1990...

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 378 400 Unit Weight Lbs Kg CAUTION Do not walk on unit 833 881 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: ...refer to the Unit Controller Setup Guide for start up instructions Electrical Connections Power Supply Do not apply power or close disconnect switch until installation is complete Refer to start up di...

Страница 11: ...up Guide to change the System Mode Use the mobile service app menu and select Settings Install Thermostat Mode 1 Route thermostat cable or wires from subbase to control area above compressor refer to...

Страница 12: ...r air temperature falls below setpoint the unit will operate in gas heat mode Note Only stage one is used stage 2 is not used Although the recommended balance point setpoint is 35 F the setpoint can b...

Страница 13: ...ately stop when power is interrupted to the Unit Controller Disconnect unit power before opening the blower compartment The Controller s digital inputs must be used to shut down the blower See Unit Co...

Страница 14: ...ATION CFM This is the percentage of torque for high static blower ventilation speed TABLE 3 ELECTRIC HEAT MINIMUM AIRFLOW kW CFM Direct Drive Direct Drive Impeller Style 5 600 NA 7 5 600 1200 10 600 N...

Страница 15: ...eed for standard 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 hi...

Страница 16: ...498 1142 1 0 617 214 1102 806 269 1116 994 324 1130 1125 376 1144 1255 428 1157 1406 510 1184 1 1 561 219 1145 751 276 1157 941 332 1169 1071 384 1183 1200 436 1196 1347 518 1225 1 2 500 221 1185 691...

Страница 17: ...5 1109 1766 747 1135 1920 859 1161 2104 1038 1200 1 1 1148 434 1087 1366 545 1115 1583 655 1142 1734 765 1166 1885 874 1189 2060 1047 1227 1 2 1120 456 1124 1334 564 1149 1548 671 1173 1695 777 1195 1...

Страница 18: ...58 752 1143 1911 864 1169 2090 1042 1209 1 1 1144 437 1092 1360 548 1120 1576 659 1148 1725 769 1173 1874 878 1197 2043 1049 1236 1 2 1115 458 1129 1328 566 1154 1540 674 1179 1685 780 1202 1829 886 1...

Страница 19: ...0 2369 634 2408 671 2447 708 2000 2112 405 2158 438 2202 471 2246 503 2289 536 2331 568 2373 602 2413 640 2452 681 2490 723 2527 766 2564 809 2599 851 2200 2305 493 2347 531 2389 569 2429 608 2469 648...

Страница 20: ...469 2110 496 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...

Страница 21: ...78 650 2418 682 2458 714 2000 2127 415 2172 448 2217 481 2260 513 2303 546 2345 579 2385 614 2425 653 2464 693 2503 734 2541 774 2578 814 2614 855 2200 2321 507 2363 545 2404 583 2444 623 2484 664 252...

Страница 22: ...692 2484 727 2000 2202 451 2242 482 2283 513 2323 545 2363 577 2402 611 2440 646 2477 683 2512 722 2546 763 2579 804 2613 844 2645 884 2200 2408 559 2446 596 2483 633 2520 672 2555 712 2590 753 2623...

Страница 23: ...0 04 0 07 0 18 0 05 0 05 0 08 0 11 2400 0 13 0 04 0 05 0 08 0 20 0 05 0 05 0 08 0 12 Page 23 BLOWER DATA POWER EXHAUST FAN PERFORMANCE Return Air System Static Pressure in w g Air Volume Exhausted cfm...

Страница 24: ...rvice app menu path RTU MENU COMPONENT TEST COOLING COOLING STAGE 2 2 Units contain one refrigerant circuit Note Units are equipped with two stage compressors 3 Unit is charged with R 410A refrigerant...

Страница 25: ...uid temperature at condenser outlet minus ambient temperature 2 Approach temperature should be 3 8 F 1 2 1 C 0 5 An approach temperature greater than this value indicates an under charge An approach t...

Страница 26: ...and apply power to unit Defrost Control The defrost control ensures that the heat pump outdoor coil does not ice excessively during the heating mode The defrost control uses input from the coil and am...

Страница 27: ...Page 27 LHT LDT024 036 048 060 FIGURE 18 YELLOW RT46 CLAMP THERMISTOR TO BARE COPPER DETAILS NOT TO SCALE 22J06 LHT LDT024 036 048 INDOOR COIL RT46...

Страница 28: ...Page 28 LHT LDT024 036 048 060 FIGURE 19 YELLOW RT48 22J08 LHT LDT024 036 OUTDOOR COIL RT48...

Страница 29: ...Page 29 LHT LDT024 036 048 060 FIGURE 20 LHT LDT048 OUTDOOR COIL RT48 CLAMP THERMISTOR TO BARE COPPER DETAILS NOT TO SCALE YELLOW RT48 22J08...

Страница 30: ...Page 30 LHT LDT024 036 048 060 FIGURE 21 YELLOW RT46 CLAMP THERMISTOR TO BARE COPPER DETAILS NOT TO SCALE LHT LDT060 INDOOR COIL RT46 22J06...

Страница 31: ...Page 31 LHT LDT024 036 048 060 FIGURE 22 CLAMP THERMISTOR TO BARE COPPER DETAILS NOT TO SCALE LHT LDT060 OUTDOOR COIL RT48 YELLOW RT48 22J08...

Страница 32: ...Blower Low Dampers Modulate Y2 Demand Compressor On 024 units only Compressor Low 036 060 Blower High Dampers Full Open Note Compressor is energized after damper has been at full open for three minut...

Страница 33: ...Gas heat is also energized during the defrost cycle 2 Outdoor Temperature BELOW Balance Point Setpoint W1 Demand Compressor Off Blower Heating Speed Low Gas Heat Energized W2 Demand Compressor Off Blo...

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: ...ilter frame when reinstalling filters See figure 24 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 lubrication i...

Страница 37: ...ENTATION One and Two Stage Heat 150 000 BTUH 7 BURNERS 108 000 BTUH 5 BURNERS 65 000 BTUH 3 BURNERS SENSOR IGNITOR SENSOR IGNITOR SENSOR IGNITOR Clean combustion air inducer as follows 1 Shut off powe...

Страница 38: ...ly during the cooling season Condenser coils are made of single and two formed slabs On units with two slabs dirt and debris may become trapped between the slabs To clean between slabs carefully separ...

Страница 39: ...et See figure 30 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 40: ...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 41: ...t office for proper disposal Do not use a vacuum cleaner Do not incinerate Maintenance For all maintenance contact a qualified HVAC technician Read the maintenance instructions before opening unit pan...

Страница 42: ...I D must change To configure the option use MAIN MENU SETUP INSTALL menu path Press SAVE until CONFIGURATION ID 1 or 2 appears depending on the option installed Change the appropriate character in the...

Страница 43: ...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 44: ...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 36 10 Reserved N Not Installed Not Installed...

Страница 45: ...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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