background image

5322625-UIM-A-0417

Johnson Controls Unitary Products

13

SECTION V: AIRFLOW PERFORMANCE

Table 12: 

Airflow Performance - Side Duct Application 

Model

Jumper Position

External Static Pressure (Inches WC)

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

SCFM

SCFM

SCFM

SCFM

SCFM

SCFM

SCFM

SCFM

SCFM

SCFM

24050

High Cool

A 991

957

913

863

809

768

717

662

630

598

B 902

858

809

753

703

659

615

570

513

496

C 826

779

719

664

616

570

531

478

434

417

D 693

642

571

529

466

430

390

357

309

275

Low Cool

A 808

761

699

645

597

552

512

455

420

401

B 718

668

599

554

495

457

416

375

334

304

C 615

556

489

450

390

358

311

281

221

181

D 562

494

436

395

348

317

259

217

155

113

High Heat

A 862

815

761

702

655

607

571

524

463

450

B 768

721

654

604

553

511

469

411

386

362

C 680

628

557

516

451

416

376

348

296

261

D 655

602

530

491

422

389

350

330

271

232

Low Heat

A 862

815

761

702

655

607

571

524

463

450

B 756

708

640

591

539

498

456

402

373

347

C 628

571

503

464

400

368

324

298

238

198

D 602

540

476

436

379

348

298

265

204

164

24075

High Cool

A 982

946

899

849

801

761

710

656

609

581

B 927

867

813

761

717

667

612

561

524

487

C 870

761

699

649

605

539

484

449

422

370

D 799

623

552

475

436

387

338

294

237

192

Low Cool

A 902

822

764

713

669

612

557

513

480

437

B 855

734

669

615

572

509

454

418

385

334

C 827

678

611

545

504

448

396

356

311

263

D 675

546

466

404

347

277

205

160

126

80

High Heat

A 1184

1161

1124

1084

1041

994

954

913

872

822

B 1076

1047

1011

967

912

875

833

790

734

707

C 992

957

912

863

813

774

724

672

622

596

D 927

867

813

761

717

667

612

561

524

487

Low Heat

A 1205

1182

1145

1107

1065

1019

979

938

896

845

B 1076

1047

1011

967

912

875

833

790

734

707

C 992

957

912

863

813

774

724

672

622

596

D

902

822

764

713

669

612

557

513

480

437

30050

High Cool

A 1148

1117

1081

1039

991

945

901

862

821

764

B 1078

1047

1007

962

906

859

816

769

722

693

C 1026

994

951

903

846

803

757

696

673

635

D 871

824

771

712

664

616

580

536

470

458

Low Cool

A 982

947

904

853

799

759

707

654

620

589

B 910

867

819

763

713

670

624

578

524

505

C 808

761

699

645

597

552

512

455

420

401

D 781

734

668

617

568

525

482

420

398

376

High Heat

A 862

815

761

702

655

607

571

524

463

450

B 768

721

654

604

553

511

469

411

386

362

C 680

628

557

516

451

416

376

348

296

261

D 655

602

530

491

422

389

350

330

271

232

Low Heat

A 862

815

761

702

655

607

571

524

463

450

B 756

708

640

591

539

498

456

402

373

347

C 628

571

503

464

400

368

324

298

238

198

D 602

540

476

436

379

348

298

265

204

164

30075

High Cool

A 1152

1128

1090

1049

1005

958

917

876

834

788

B 1076

1047

1011

967

912

875

833

790

734

707

C 1023

991

950

903

850

813

767

719

664

640

D 910

837

780

729

685

631

576

529

495

453

Low Cool

A 982

946

899

849

801

761

710

656

609

581

B 927

867

813

761

717

667

612

561

524

487

C 870

761

699

649

605

539

484

449

422

370

D 813

650

582

510

470

417

367

325

274

227

High Heat

A 1184

1161

1124

1084

1041

994

954

913

872

822

B 1076

1047

1011

967

912

875

833

790

734

707

C 992

957

912

863

813

774

724

672

622

596

D 927

867

813

761

717

667

612

561

524

487

Low Heat

A 1205

1182

1145

1107

1065

1019

979

938

896

845

B 1076

1047

1011

967

912

875

833

790

734

707

C 992

957

912

863

813

774

724

672

622

596

D 902

822

764

713

669

612

557

513

480

437

Table continued on next page. See NOTES at end of table.

Summary of Contents for PHG6A24

Page 1: ... Control Board Fault Codes 22 Inlet Gas Pressure Range 24 Nominal Manifold Pressure 24 Gas Rate Cubic Feet Per Hour 26 SECTION I GENERAL INFORMATION These are electric heat pump gas heating units designed for outdoor installation Only gas piping electric power and duct connections are required at the point of installation The gas fired heaters have spark ignition The refrigerant system is fully ch...

Page 2: ...a qualified installer service agency or the gas supplier WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property damage personal injury or loss of life Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS 1 Do not try to light any appliance 2 Do not tou...

Page 3: ...uilding codes and 5 Local gas utility requirements In Canada 1 Canadian Electrical Code CSA C22 1 2 Installation Codes CSA B149 1 3 Local plumbing and waste water codes and 4 Other applicable local codes Refer to unit application data found in this document After installation gas fired units must be adjusted to obtain a temperature rise within the range specified on the unit rating plate If compon...

Page 4: ...he base rails Spreader bars whose length exceeds the largest dimension across the unit MUST be used across the top of the unit Units may be moved or lifted with a forklift Slotted openings in the base rails are provided for this purpose FIGURE 1 Component Location FAN MOTOR OUTDOOR FAN COIL GUARD PANEL OUTDOOR COIL Behind Panel CONTROL BOARD TRANSFORMER HIGH VOLTAGE CONTACTOR PRESSURE SWITCH DRAFT...

Page 5: ...4 449 28 15 155 108 96 90 PHG6A30075 458 453 28 15 161 102 90 100 PHG6B36065 503 498 29 14 176 122 104 96 PHG6B36100 510 505 29 14 178 123 109 95 PHG6B42065 537 532 29 14 190 132 112 98 PHG6B42100 539 534 29 14 191 133 109 101 PHG6B48065 556 551 28 14 199 137 106 109 PHG6B48100 564 559 28 14 194 141 117 107 PHG6B48125 569 564 29 14 193 146 126 99 PHG6B60065 582 577 29 14 199 151 127 100 PHG6B60100...

Page 6: ...6B42 51 1 4 45 3 4 49 PHG6B48 51 1 4 45 3 4 53 PHG6B60 51 1 4 45 3 4 55 Table 4 Unit Clearances1 2 1 A 1 clearance must be provided between any combustible material and the supply air duct work 2 The products of combustion must not be allowed to accumulate within a confined space and recirculate Direction Distance in Direction Distance in Top3 3 Units must be installed outdoors Over hanging struct...

Page 7: ...in the return air ductwork or install a Filter Frame Kit A filter rack and high velocity filters are standard on three phase units Filters must always be used and must be kept clean When filters become dirt laden insufficient air will be delivered by the blower decreasing your units efficiency and increasing operating costs and wear and tear on the unit and controls Filters should be checked month...

Page 8: ...in distribution panel and properly fused Refer to Figure 7 for typical field wiring and to the appropriate unit wir ing diagram for control circuit and power wiring information Unit comes wired for 230 Volts power If supply power is 208 Volts wires connected to control transformer 230V tap must be moved to the 208V tap CAUTION This system uses R 410A Refrigerant which operates at higher pres sures...

Page 9: ... 0 No burners 2 3 2 3 2 3 2 3 2 3 4 2 3 4 No stages 2 2 2 2 2 2 2 2 2 2 2 2 2 2 Temperature Rise Range High Fire F 40 70 40 70 40 70 40 70 40 70 40 70 Temperature Rise Range Low Fire F 20 50 20 50 25 55 25 55 25 55 25 55 Max Static Pressure w c 0 5 0 5 0 5 0 5 0 5 0 5 Max Outlet Air Temp F 180 180 180 180 180 180 Gas piping connection inch 1 2 1 2 1 2 1 2 1 2 1 2 Dimensions inches Length 51 1 4 51...

Page 10: ...ay have to be installed outside of the unit 3 Use wrought iron or steel pipe for all gas lines Pipe thread sealant should be applied sparingly to male threads only MODELS PHG4A24 PHG4A30 PHG4B36 PHG4B42 PHG4B48 PHG4B60 NOMINAL TONNAGE 2 0 2 5 3 0 3 5 4 0 5 0 COMPONENT Direct Drive Indoor Fan Data Fan Size Inch 11 x 8 11 x 8 11 x 10 11 x 10 11 x 10 11 x 10 Type Centrifugal Centrifugal Centrifugal C...

Page 11: ...drop of 0 5 inch water column Length In Feet Nominal Inches Iron Pipe Size 1 2 3 4 1 1 1 4 10 275 567 1071 2 205 20 189 393 732 1496 30 152 315 590 1212 40 129 267 504 1039 50 114 237 448 913 60 103 217 409 834 70 96 196 378 771 80 89 185 346 724 90 83 173 322 677 100 78 162 307 630 CAUTION If flexible stainless steel tubing is allowed by the authority having jurisdiction wrought iron or steel pip...

Page 12: ...16 3 75 3 4 40 70 20 50 Table 11 Propane1 LP Gas Application Data 1 Propane applications are accomplished by field installation of a Propane Conversion Accessory Available On Models Input Capacity MBH 1 High Fire Low Fire Output Capacity MBH High Fire Low Fire Gas Rate2 Ft 3 Hr High Fire Low Fire 2 Heating capacity valid for elevations up to 2 000 feet above sea level For elevations above 2 000 fe...

Page 13: ... 667 612 561 524 487 Low Heat A 1205 1182 1145 1107 1065 1019 979 938 896 845 B 1076 1047 1011 967 912 875 833 790 734 707 C 992 957 912 863 813 774 724 672 622 596 D 902 822 764 713 669 612 557 513 480 437 30050 High Cool A 1148 1117 1081 1039 991 945 901 862 821 764 B 1078 1047 1007 962 906 859 816 769 722 693 C 1026 994 951 903 846 803 757 696 673 635 D 871 824 771 712 664 616 580 536 470 458 L...

Page 14: ...5 1518 1494 1459 1414 1360 1318 1261 1220 1162 B 1473 1435 1406 1368 1320 1264 1220 1164 1119 1060 C 1374 1333 1298 1255 1204 1145 1100 1044 993 933 D 1216 1168 1117 1064 1007 942 892 838 775 712 Low Cool A 1233 1186 1137 1085 1029 965 915 861 799 736 B 1139 1087 1027 968 907 839 785 733 663 598 C 1025 966 892 823 756 684 625 575 494 427 D 964 900 816 742 672 596 534 485 398 329 High Heat A 1120 1...

Page 15: ...809 1781 1746 1707 1656 1609 1552 1518 1460 B 1689 1652 1630 1597 1556 1504 1461 1404 1368 1310 C 1614 1578 1554 1520 1477 1424 1382 1324 1286 1228 D 1374 1333 1298 1255 1204 1145 1100 1044 993 933 Low Cool A 1473 1435 1406 1368 1320 1264 1220 1164 1119 1060 B 1374 1333 1298 1255 1204 1145 1100 1044 993 933 C 1322 1278 1238 1191 1138 1077 1030 975 920 859 D 1286 1241 1197 1149 1095 1032 984 930 87...

Page 16: ...329 1280 1232 1181 1135 C 1410 1361 1307 1255 1204 1155 1100 1044 992 938 D 1323 1270 1213 1156 1104 1052 993 933 880 821 Low Heat A 1594 1553 1507 1462 1415 1369 1321 1274 1223 1178 B 1323 1270 1213 1156 1104 1052 993 933 880 821 C 1181 1118 1049 980 913 857 795 743 696 640 D 1025 950 868 788 713 654 591 505 458 415 60125 High Cool A 2149 2114 2077 2030 1989 1948 1905 1859 1816 1768 B 2013 1977 1...

Page 17: ...d HUM color coded leads During cooling operation if the humidity level is above the humidistat set point the indoor blower speed is reduced by approxi mately 15 Safety Controls The control circuit includes the following safety controls High Pressure Switch HPS The switch protects against excessive discharge pressures If system pressures exceed 650 psi the defrost control locks out compressor opera...

Page 18: ...level so the level during the Post Run state is 82 HEATING SEQUENCE OF OPERATIONS This dual fuel package unit has two methods of heating Primary heat ing is accomplished by the heat pump section Secondary heating sup plemental heating and back up heating is accomplished by the gas heating section The gas heating section is also used to temper the indoor discharge air during heat pump defrost opera...

Page 19: ...igure 9 DEFROST OPERATION The demand defrost control implements a temperature differential delta T demand defrost algorithm The heat pump is allowed to oper ate in the heating mode until the combination of outdoor ambient and outdoor coil temperatures indicate that defrosting is necessary When coil temperature is below the initiate point for the ambient temperature continuously for 4 1 2 minutes t...

Page 20: ...at W1 and a 24 VAC signal is received on the high heat input W2 the control is staged up to full capacity heating operation When using the built in HI HEAT DELAY feature and the control has staged up to full capacity heating the unit remains in full capacity heating until the call for heat on the W1 input is terminated If using a two stage heating thermostat set the HI HEAT DELAY jumper to the OFF...

Page 21: ...ng mode If flame is removed the control de energizes the gas valve within 2 sec onds and counts the flame loss If flame has been lost less than 5 times the control attempts re ignition after a 15 second inter purge period If flame has been lost more than 5 times within the same call for heat the control board locks out and flashes a sequence of 8 times on the LED Post Purge The control board runs ...

Page 22: ...s valve from being ener gized 3 Flame Sensor The flame sensor is located on the left most burner If an ignition control fails to detect a signal from the flame sensor indicating the flame is properly ignited then the main gas valve closes 4 Rollout Switch RS This switch is located on the burner assembly In the event of a sustained main burner flame rollout the control closes the main gas valve Thi...

Page 23: ...rn on all electric power to the unit 11 Set the thermostat to the desired setting 12 If the unit will not operate follow the instructions To Turn Off Gas To Appliance and call your service technician or gas supplier To Turn Off Gas To Unit 1 Set the thermostat to the OFF position 2 Turn off all electric power to the appliance if service is to be per formed 3 Remove the control access panel 4 Turn ...

Page 24: ... the high fire manifold pressure or the low fire manifold pressure 1 Refer to Figure 11 for location of pressure regulator adjustment cap and adjustment screws on main gas valve 2 Turn gas and electrical supplies on and follow the operating instructions to place the unit back in operation 3 Connect unit control wiring leads W1 W2 and R together so the equipment operates on HIGH fire Once correct m...

Page 25: ... from the furnace must lie within the range shown on the rating plate and the data in Table 6 After the temperature rise has been determined the CFM can be calcu lated as follows Direct Drive Blower All units have direct drive enhanced ECM blower motors MANIFOLD PRESSURE U TUBE CONNECTION FIGURE 12 Reading Gas Pressure NOTICE The correct manifold pressure for natural gas furnaces is 3 5 IWG The co...

Page 26: ...d the BTU input multiply the number of cubic feet of gas con sumed per hour by the BTU content of the gas in your particular locality Contact your gas company for this information since it varies widely from city to city Table 21 Gas Rate Cubic Feet Per Hour1 Seconds for9 One Rev Size of Test Dial 1 2 cu ft 1 cu ft 10 180 360 12 150 300 14 129 257 16 113 225 18 100 200 20 90 180 22 82 164 24 75 15...

Page 27: ...OR IDENTIFICATION VERIFY PROPER OPERATION AFTER SERVICING 3 THE THERMOSTAT CONTROL CONNECTED TO THIS UNIT MUST BE DUAL FUEL CAPABLE NOTES FACTORY DSI CONTROL BOARD SETTINGS COMBUSTION BLWR POST PURGE 15 SEC INDOOR BLWR HEAT ON DELAY 30 SEC INDOOR BLWR COOL OFF DELAY 60 SEC INDOOR BLWR HEAT OFF DELAY FIELD SELECT 2 RED 3 RED 4 RED 5 RED 6 RED 7 RED 8 RED 9 RED 10 RED Demand Defrost Control Operatio...

Page 28: ... NONE STEADY ON ANY COLOR RAPID AMBER 4 AMBER 1 RED 2 RED 3 RED 4 RED 5 RED 6 RED 7 RED 8 RED 9 RED 10 RED 11 RED 12 RED DSI Control Operation Fault Codes Power off or open fuse Control Failure Low Flame sense current No G call from thermostat with Y call Flame sensor with gas off Check pressure switch wiring Check pressure switch draft inducer wiring Airflow Problem Flame rollout Repeated pressur...

Page 29: ...y Manifold sets must be at least 700 psig high side and 180 psig low side with 550 psig retard All hoses must have a service pressure rating of 800 psig Leak detectors must be designed to detect HFC refrigerants Systems must be charged with liquid refrigerant Use a commercial type metering device in the manifold hose R 410A can only be used with POE type oils POE type oils rapidly absorb moisture ...

Page 30: ...5322625 UIM A 0417 30 Johnson Controls Unitary Products NOTES ...

Page 31: ...cle timer Measured voltage L1 to L2 L2 to L3 L1 to L3 Total amperes L1 L2 L3 Compressor amperes L1 L2 L3 Measured voltage R and C outdoor unit control board Electrical Connections Inspection Check all that apply Equipment Data Additional Kits Accessories Installed Check all that apply Blower Type Set Up Supply air dry bulb temperature A B C D A B C D Total external static pressure Supply static in...

Page 32: ...easured BTU H Clock Gas Meter Nat Gas Supply Air Dry Bulb Temp Temp Rise Return Air Dry Bulb Temp Manifold Pressure at 100 Firing Rate w c Inlet Gas Pressure w c LP Gas Conversion Kit LP Conversion Kit Installed By Two Stage Single Stage Propane LP Requires LP Conversion Kit Natural Gas Burner Flame Inspection Blue flames extending directly into the primary heat exchanger cells Explain operation o...

Reviews: