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268723-BIM-C-0908

Johnson Controls Unitary Products

13

Airflow Performance

Table 7:

Side Duct Application

Size

(Tons)

Blower Speed Setting

External Static Pressure (Inches Water Gauge)

0.2

0.4

0.6

0.8

1.0

CFM

W

RPM

CFM

W

RPM

CFM

W

RPM

CFM

W

RPM

CFM

W

RPM

024

(2.0)

Low (1)

721

82

600

611

97

705

-

-

-

-

-

-

-

-

-

Low/Medium (2)

769

93

628

694

112

730

610

126

832

-

-

-

-

-

-

Medium (3)

882

131

704

812

147

797

736

162

889

651

177

979

-

-

-

Medium/High (4)

971

171

773

916

188

857

851

205

939

775

219

1019

681

230

1097

High (5)

-

-

-

-

-

-

957

249

982

887

261

1052

788

266

1120

030

(2.5)

Low (1)

828

110

673

759

125

771

-

-

-

-

-

-

-

-

-

Low/Medium (2)

991

168

754

934

187

839

868

205

922

783

221

1003

-

-

-

Medium (3)

1091

214

807

1041

234

883

983

253

958

910

269

1033

785

273

1106

Medium/High (4)

1189

269

861

1144

288

927

1091

305

994

1027

318

1061

912

316

1132

High (5)

-

-

-

1235

347

970

1186

360

1028

1125

368

1086

1007

352

1147

036

(3.0)

Low (1)

1025

158

769

906

175

856

-

-

-

-

-

-

-

-

-

Low/Medium (2)

1214

237

764

1125

260

839

1034

283

913

942

307

987

-

-

-

Medium (3)

1370

305

779

1276

330

846

1179

354

913

1078

377

981

971

397

1048

Medium/High (4)

-

-

-

1416

413

872

1314

436

932

1206

454

993

1083

460

1051

High (5)

-

-

-

-

-

-

1441

530

970

1326

538

1022

1182

521

1070

042

(3.5)

Low (1)

1241

221

702

1151

245

778

1058

268

853

-

-

-

-

-

-

Low/Medium (2)

1406

299

759

1325

324

826

1242

349

893

1158

373

959

1072

396

1025

Medium (3)

1536

376

808

1461

403

869

1384

427

928

1305

449

988

1223

468

1046

Medium/High (4)

1656

466

858

1584

492

912

1509

515

966

1430

533

1019

1344

542

1070

High (5)

-

-

-

1687

590

955

1611

610

1004

1527

620

1051

1428

615

1097

048

(4.0)

Low (1)

1342

249

717

1250

273

789

-

-

-

-

-

-

-

-

-

Low/Medium (2)

1596

397

817

1513

422

875

1432

447

934

1354

474

995

1276

501

1058

Medium (3)

1705

476

858

1624

501

911

1545

526

966

1466

549

1021

1386

571

1077

Medium/High (4)

1806

561

895

1726

587

945

1646

610

995

1564

628

1046

1476

639

1096

High (5)

1898

652

929

1819

679

977

1736

698

1023

1646

709

1069

1547

706

1112

060

(5.0)

Low (1)

1580

394

859

1504

420

917

-

-

-

-

-

-

-

-

-

Low/Medium (2)

1614

419

874

1540

446

931

-

-

-

-

-

-

-

-

-

Medium (3)

1733

508

924

1663

536

976

1588

559

1026

1501

572

1072

-

-

-

Medium/High (4)

2003

737

1030

1922

746

1069

1829

746

1104

1712

728

1134

1528

659

1146

High (5)

2214

968

1104

2089

918

1121

1949

859

1136

1785

787

1148

1576

689

1154

Table 8:

Bottom Duct Application

Size

(Tons)

Blower Speed Setting

External Static Pressure (Inches Water Gauge)

0.2

0.4

0.6

0.8

1.0

CFM

W

RPM

CFM

W

RPM

CFM

W

RPM

CFM

W

RPM

CFM

W

RPM

024

(2.0)

Low (1)

721

82

600

611

97

705

-

-

-

-

-

-

-

-

-

Low/Medium (2)

769

93

628

694

112

730

610

126

832

-

-

-

-

-

-

Medium (3)

882

131

704

812

147

797

736

162

889

651

177

979

-

-

-

Medium/High (4)

971

171

773

916

188

857

851

205

939

775

219

1019

681

230

1097

High (5)

-

-

-

-

-

-

957

249

982

887

261

1052

788

266

1120

030

(2.5)

Low (1)

828

110

673

759

125

771

-

-

-

-

-

-

-

-

-

Low/Medium (2)

991

168

754

934

187

839

868

205

922

783

221

1003

-

-

-

Medium (3)

1091

214

807

1041

234

883

983

253

958

910

269

1033

785

273

1106

Medium/High (4)

1189

269

861

1144

288

927

1091

305

994

1027

318

1061

912

316

1132

High (5)

-

-

-

1235

347

970

1186

360

1028

1125

368

1086

1007

352

1147

036

(3.0)

Low (1)

1025

158

769

906

175

856

-

-

-

-

-

-

-

-

-

Low/Medium (2)

1214

237

764

1125

260

839

1034

283

913

942

307

987

-

-

-

Medium (3)

1370

305

779

1276

330

846

1179

354

913

1078

377

981

971

397

1048

Medium/High (4)

-

-

-

1416

413

872

1314

436

932

1206

454

993

1083

460

1051

High (5)

-

-

-

-

-

-

1441

530

970

1326

538

1022

1182

521

1070

042

(3.5)

Low (1)

1241

221

702

1151

245

778

1058

268

853

-

-

-

-

-

-

Low/Medium (2)

1406

299

759

1325

324

826

1242

349

893

1158

373

959

1072

396

1025

Medium (3)

1536

376

808

1461

403

869

1384

427

928

1305

449

988

1223

468

1046

Medium/High (4)

1656

466

858

1584

492

912

1509

515

966

1430

533

1019

1344

542

1070

High (5)

-

-

-

1687

590

955

1611

610

1004

1527

620

1051

1428

615

1097

048

(4.0)

Low (1)

1342

249

717

1250

273

789

-

-

-

-

-

-

-

-

-

Low/Medium (2)

1596

397

817

1513

422

875

1432

447

934

1354

474

995

1276

501

1058

Medium (3)

1705

476

858

1624

501

911

1545

526

966

1466

549

1021

1386

571

1077

Medium/High (4)

1806

561

895

1726

587

945

1646

610

995

1564

628

1046

1476

639

1096

High (5)

1898

652

929

1819

679

977

1736

698

1023

1646

709

1069

1547

706

1112

060

(5.0)

Low (1)

1580

394

859

1504

420

917

-

-

-

-

-

-

-

-

-

Low/Medium (2)

1614

419

874

1540

446

931

-

-

-

-

-

-

-

-

-

Medium (3)

1733

508

924

1663

536

976

1588

559

1026

1501

572

1072

-

-

-

Medium/High (4)

2003

737

1030

1922

746

1069

1829

746

1104

1712

728

1134

1528

659

1146

High (5)

2214

968

1104

2089

918

1121

1949

859

1136

1785

787

1148

1576

689

1154

Summary of Contents for BUZ024

Page 1: ...heat pumps designed for outdoor installation on a roof top or a slab Field installed electric heater accessories are available to provide supplemental electric heat combined with electric cooling and...

Page 2: ...mited to building electrical and mechanical codes Before performing service or maintenance operations on unit turn off main power switch to unit Electrical shock could cause personal injury Improper i...

Page 3: ...denser Fan Motor Highly Efficient Enhanced Copper Tube Aluminum Fin Indoor Coil Highly Efficient Enhanced Copper Tube Aluminum Fin Outdoor Coil Decorative Protective Coil Guard 5 Speed Direct Drive Bl...

Page 4: ...the place of installation Rig the unit by attaching chain or cable slings to the lifting holes provided in the base rails Spreader bars whose length exceeds the largest dimension across the unit MUST...

Page 5: ...SIDE RETURN AIR OPENING SIDE SUPPLY AIR OPENING LOW VOLTAGE CONN 7 8 DIA KNOCKOUT HIGH VOLTAGE CONN 1 31 32 DIA KNOCKOUT HIGH VOLTAGE CONN 7 8 DIA KNOCKOUT A 3 3 4 1 1 2 2 1 2 2 3 8 4 1 2 49 1 8 28 1...

Page 6: ...T 26 3 4 CONDENSATE DRAIN 3 4 NPTF LOW VOLTAGE CONN 7 8 DIA KNOCKOUT HIGH VOLTAGE CONN 1 31 32 x 7 8 KNOCKOUT 22 1 2 43 1 2 40 1 2 4 14 1 2 28 3 8 14 1 2 BACK 3 3 8 SIDE RETURN AIR OPENING 14 1 2 3 1...

Page 7: ...bottom supply and return air duct openings Roof Curb On applications when a roof curb is used the unit must be positioned on the curb so the front of the unit is tight against the curb Filters Single...

Page 8: ...and or local ordinances The unit must be electrically grounded in accordance with local codes or in their absence with the N E C C E C Voltage tolerances which must be maintained at the compressor te...

Page 9: ...led 24 volt wire Only required on units with supplemental electric heat PROGRAMMABLE THERMOSTAT ONLY THERMOSTAT UNIT CONTROL BOARD TERMINAL STRIP 24 VOLT TRANSFORMER NOTE HEAT ANTICIPATOR SHOULD BE SE...

Page 10: ...5 2 54 2 62 5 94 2 104 6 100 110 208 230 3 60 11 5 77 18 1 2 6 0 None 21 6 30 2NH04501025 7 5 10 1 20 8 24 1 47 6 51 6 50 60 2NH04501525 11 3 15 1 31 3 36 1 60 7 66 7 70 70 460 3 60 5 1 35 8 0 8 3 0 N...

Page 11: ...R410a R410a R410a R410a R410a R410a Refrigerant charge lb oz 6 0 7 4 9 6 12 0 10 10 11 8 ARI HEATING PERFORMANCE 47 F Capacity Rating Mbh 22 2 27 8 32 8 40 0 45 5 56 0 System Power Kw COP 3 4 3 3 3 0...

Page 12: ...Direct Direct Direct Direct Direct Direct No speeds 1 1 1 1 1 1 Number of motors 1 1 1 1 1 1 Motor HP each 1 4 1 4 1 4 1 4 1 4 1 2 RPM 850 850 850 850 850 1100 Nominal total CFM 1800 1800 2400 2400 30...

Page 13: ...030 1922 746 1069 1829 746 1104 1712 728 1134 1528 659 1146 High 5 2214 968 1104 2089 918 1121 1949 859 1136 1785 787 1148 1576 689 1154 Table 8 Bottom Duct Application Size Tons Blower Speed Setting...

Page 14: ...0 700 0 01 0 00 0 02 0 03 800 0 01 0 01 0 02 0 03 900 0 01 0 01 0 02 0 04 1000 0 02 0 01 0 02 0 04 1100 0 03 0 01 0 03 0 05 1200 0 04 0 02 0 03 0 06 1300 0 04 0 03 0 03 0 07 1400 0 04 0 04 0 03 0 08...

Page 15: ...or cooling has been satisfied the 24 volt Y signal is removed and the M1 contactor is de energized When the fan switch on the thermostat is in the ON position the indoor blower motor continues to run...

Page 16: ...bit feature prohibits defrost if the coil temperature is above 40 F A forced defrost feature puts the system into a defrost period every 6 hours and 4 minutes to recirculate lubricants unless the coil...

Page 17: ...VALVE ENERGIZED SYSTEM OPERATES IN COOLING COMPRESSOR AND OUTDOOR FAN INSTANT OFF FAN 60 SEC DELAY OFF FAN INSTANT ON OFF COMPRESSOR AND OUTDOOR FAN INSTANT ON AFTER ANTI SHORT CYCLE DELAY SYSTEM OPE...

Page 18: ...OPERATES IN HEATING HEATER BANK 1 2 3 ELEC HEAT INSTANT ON HEATER BANK 4 5 6 ELEC HEAT 10 SEC DELAY ON OFF COMPRESSOR AND OUTDOOR FAN INSTANT OFF HEATER BANK 4 5 6 ELEC HEAT INSTANT OFF HEATER BANK 1...

Page 19: ...268723 BIM C 0908 Johnson Controls Unitary Products 19 Typical Wiring Diagrams Typical BUZ024 060 Heat Pump 208 230 1 60 volt Wiring Diagram...

Page 20: ...268723 BIM C 0908 20 Johnson Controls Unitary Products Typical BUZ030 060 Heat Pump 230 3 60 volt Wiring Diagram...

Page 21: ...268723 BIM C 0908 Johnson Controls Unitary Products 21 Typical BUZ030 060 Heat Pump 460 3 60 volt Wiring Diagram...

Page 22: ...only 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 H...

Page 23: ...268723 BIM C 0908 Johnson Controls Unitary Products 23...

Page 24: ...change without notice Printed in U S A 268723 BIM C 0908 Copyright 2008 by Johnson Controls Inc All rights reserved Supersedes 268723 BIM B 0807 Johnson Controls Unitary Products 5005 York Drive Norma...

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