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1183746-UIM-D-1015

Johnson Controls Unitary Products

11

SECTION V: AIRFLOW PERFORMANCE

Table 11: 

Airflow - Side Duct Application 

Model

Motor Speed

External Static Pressure (Inches WC)

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

SCFM

SCFM

SCFM

SCFM

SCFM

SCFM

SCFM

SCFM

24050

Low (1)

732

667

624

567

517

470

415

369

Low/Medium (2)

818

771

723

674

628

579

530

482

Medium (3)

823

774

721

676

631

583

533

505

Medium/High (4)

994

948

906

865

823

778

739

700

High (5)

1148

1108

1071

1035

996

960

925

901

24075

Low (1)

887

847

802

750

705

664

613

563

Low/Medium (2)

978

941

898

850

803

759

713

667

Medium (3)

1171

1114

1074

1039

993

949

906

864

Medium/High (4)

1349

1297

1265

1224

1185

1146

1107

1063

High (5)

1487

1462

1392

1331

1318

1281

1241

1201

30050

Low (1)

700

657

599

554

512

461

411

365

Low/Medium (2)

906

868

825

779

735

692

650

608

Medium (3)

992

951

911

868

826

787

747

712

Medium/High (4)

1075

1032

1000

958

918

874

837

800

High (5)

1136

1089

1053

1018

978

941

903

869

30075

Low (1)

1076

1020

984

943

903

859

819

779

Low/Medium (2)

1102

1048

1010

974

934

890

850

810

Medium (3)

1191

1140

1112

1076

1038

1000

958

919

Medium/High (4)

1201

1225

1187

1151

1118

1080

1041

1002

High (5)

1370

1329

1283

1271

1209

1176

1143

1109

36050

Low (1)

1003

952

904

851

790

730

674

633

Low/Medium (2)

1180

1133

1085

1042

995

942

889

834

Medium (3)

1259

1209

1166

1126

1084

1032

980

928

Medium/High (4)

1314

1271

1229

1186

1144

1097

1049

998

High (5)

1506

1471

1403

1389

1345

1305

1262

1216

36075

Low (1)

1225

1174

1131

1090

1046

993

941

888

Low/Medium (2)

1259

1209

1166

1126

1084

1032

980

928

Medium (3)

1314

1271

1229

1186

1144

1097

1049

998

Medium/High (4)

1348

1306

1259

1222

1179

1133

1086

1036

High (5)

1506

1471

1403

1389

1345

1305

1262

1216

36100

Low (1)

1342

1302

1260

1217

1178

1134

1082

1034

Low/Medium (2)

1425

1368

1332

1293

1251

1208

1163

1113

Medium (3)

1554

1503

1465

1423

1386

1346

1302

1257

Medium/High (4)

1658

1599

1588

1530

1495

1454

1414

1373

High (5)

1966

1914

1862

1810

1757

1705

1653

1600

42075

Low (1)

1315

1266

1229

1194

1156

1117

1080

1036

Low/Medium (2)

1436

1382

1342

1304

1262

1220

1179

1131

Medium (3)

1458

1406

1365

1327

1286

1244

1203

1155

Medium/High (4)

1573

1523

1484

1445

1408

1367

1327

1279

High (5)

1966

1914

1862

1810

1757

1705

1653

1600

42100

Low (1)

1436

1382

1342

1304

1262

1220

1179

1131

Low/Medium (2)

1544

1492

1455

1416

1376

1336

1294

1248

Medium (3)

1573

1523

1484

1445

1408

1367

1327

1279

Medium/High (4)

1681

1640

1599

1557

1517

1478

1436

1393

High (5)

1935

1887

1834

1788

1743

1701

1651

1591

48065

Low (1)

1046

1009

980

946

915

878

844

779

Low/Medium (2)

1295

1250

1213

1172

1133

1087

1045

964

Medium (3)

1620

1564

1517

1466

1418

1360

1308

1206

Medium/High (4)

1798

1722

1669

1620

1572

1527

1480

1413

High (5)

2146

2085

2025

1960

1872

1862

1798

1735

Continued on next page.

Содержание PCG4A24

Страница 1: ...al lation 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 charged with R 410A Refrigerant and is tested and factory sealed SECTION II SAFETY This is a safety alert symbol When you see this symbol on labels or in manuals be alert to the potential for personal injury Understand and...

Страница 2: ...onal information consult a qualified installer service agency or the gas supplier CAUTION This system uses R 410A Refrigerant which operates at higher pres sures than R 22 No other refrigerant may be used in this system Gage sets hoses refrigerant containers and recovery systems must be designed to handle R 410A If you are unsure consult the equip ment manufacturer Failure to use R 410A compatible...

Страница 3: ...to a unit to meet local codes they are to be installed at the dealer s and or customer s expense Size of unit for proposed installation should be based on heat loss heat gain calculation made according to the methods of Air Conditioning Contractors of America ACCA This furnace is not to be used for temporary heating of buildings or structures under construction FIGURE 1 Component Location FAN MOTO...

Страница 4: ...vided for this purpose WARNING Do not attach supply and return duct work to the bottom of the unit base pan as the drain pan could be compromised WARNING Excessive exposure of this unit to contaminated combustion air may result in equipment damage or personal injury Typical contaminates include permanent wave solution chlorinated waxes and cleaners chlorine based swimming pool chemicals water soft...

Страница 5: ...nfined space and recirculate Direction Distance in Direction Distance in Top3 3 Units must be installed outdoors Over hanging structure or shrubs should not obstruct condenser air discharge outlet 36 Power Entry Right Side 36 Side Opposite Ducts 36 Left Side 24 Duct Panel 0 Bottom4 4 Units may be installed on combustible floors made from class A B or C roof covering materials 1 HIGH VOLTAGE CONNEC...

Страница 6: ...ciency and increasing operating costs and wear and tear on the unit and controls Filters should be checked monthly this is especially important since this unit is used for both heating and cooling CONDENSATE DRAIN A condensate trap must be installed in the condensate drain The plumbing must conform to local codes DO NOT use Teflon tape or Pipe thread compound SERVICE ACCESS Access to all serviceab...

Страница 7: ...it must be wired with a separate branch circuit fed directly from the main distribution panel and properly fused Refer to Figures 6 and 7 for typical field wiring and to the appropriate unit wiring diagram for control circuit and power wiring information FIGURE 6 Typical Field Control Wiring Diagram For Gas Heat AC Models FIGURE 7 Typical Field Power Wiring Diagram THERMOSTAT NOTE Heat Anticipator...

Страница 8: ...47 49 53 55 Operating WT lbs 359 366 379 386 415 422 426 442 446 495 503 508 522 530 535 Compressors Type Recip Recip Recip Scroll Scroll Scroll Condenser Coil Data Face area Sq Ft 15 1 17 0 17 0 17 0 23 8 26 0 Rows 2 3 3 3 3 3 Fins per inch 16 16 16 16 16 16 Tube diameter 3 8 3 8 3 8 3 8 3 8 3 8 Circuitry Type Interlaced Interlaced Interlaced Interlaced Interlaced Interlaced Evaporator Coil Data ...

Страница 9: ...ing on the outside of the pipe and blowing out the loose dirt and scale Before initial start up be sure that all of the gas lines external to the unit have been purged of air CAUTION This system uses R 410A Refrigerant which operates at higher pres sures than R 22 No other refrigerant may be used in this system CAUTION Do not leave the system open to the atmosphere Unit damage could occur due to m...

Страница 10: ...nauthorized human contact around this area during the heating cycle Flue hood surfaces and the immediate area reach high temperatures during the heating cycle New Graphic to be added later AIR INTAKE HOOD AIR INTAKE SCREEN EXHAUST HOOD A0284 001 Table 9 Natural Gas Application Data Available On Models Input MBH 1 High Fire 1 Heating capacity valid for elevations up to 2000 feet above sea level For...

Страница 11: ...995 942 889 834 Medium 3 1259 1209 1166 1126 1084 1032 980 928 Medium High 4 1314 1271 1229 1186 1144 1097 1049 998 High 5 1506 1471 1403 1389 1345 1305 1262 1216 36075 Low 1 1225 1174 1131 1090 1046 993 941 888 Low Medium 2 1259 1209 1166 1126 1084 1032 980 928 Medium 3 1314 1271 1229 1186 1144 1097 1049 998 Medium High 4 1348 1306 1259 1222 1179 1133 1086 1036 High 5 1506 1471 1403 1389 1345 130...

Страница 12: ...1413 Medium 3 1922 1863 1804 1754 1724 1658 1612 1559 Medium High 4 2001 1952 1890 1839 1820 1742 1696 1651 High 5 2146 2085 2025 1960 1872 1862 1798 1735 60065 Low 1 1073 1043 1009 988 963 941 917 892 Low Medium 2 1329 1292 1250 1223 1192 1165 1136 1105 Medium 3 2054 1998 1934 1890 1843 1801 1757 1710 Medium High 4 2195 2144 2098 2049 2003 1955 1883 1868 High 5 2445 2388 2306 2293 2235 2178 2129 ...

Страница 13: ... 863 Medium 3 1262 1223 1181 1137 1091 1044 994 952 Medium High 4 1324 1282 1245 1202 1161 1112 1067 1018 High 5 1517 1475 1447 1400 1357 1318 1275 1232 36075 Low 1 1231 1186 1146 1103 1069 1030 977 912 Low Medium 2 1270 1225 1189 1140 1098 1046 1008 960 Medium 3 1317 1286 1245 1198 1151 1110 1064 1024 Medium High 4 1358 1317 1275 1238 1197 1148 1105 1057 High 5 1517 1475 1447 1400 1357 1318 1275 ...

Страница 14: ...1419 Medium 3 1912 1875 1805 1787 1750 1713 1672 1636 Medium High 4 2105 2014 2006 1931 1898 1845 1793 1739 High 5 2131 2058 1998 1949 1892 1840 1788 1728 60065 Low 1 1026 999 989 950 907 907 886 862 Low Medium 2 1263 1230 1192 1165 1167 1101 1099 1071 Medium 3 1987 1933 1861 1817 1820 1715 1725 1651 Medium High 4 2114 2050 2047 1974 1899 1889 1920 1866 High 5 2369 2308 2249 2183 2126 2088 2034 19...

Страница 15: ...ion trial If the call for heat is removed during an ignition trial period the control immediately de energizes spark and gas The control runs the inducer motor through a post purge period before de energizing If the pressure switch opens during an ignition trial period the control immediately de energizes spark and gas The control begins pressure switch proving before an inter purge and reignition...

Страница 16: ...ved or a call for heat W is removed Rollout switch lockout shall not reset automatically Power Interruptions Power interruptions of any duration shall not cause lockout or any oper ation requiring manual intervention Flame present with Gas off If flame is sensed for longer than 4 0 seconds during a period when the gas valve should be closed the control will enter lockout flashing 1 on the LED The ...

Страница 17: ...rn off all electric power to the appliance if service is to be per formed 3 Remove the control access panel 4 Turn the gas valve switch to the OFF position DO NOT FORCE 5 Replace the control access panel Post Start Check List After the entire control circuit has been energized and the heating sec tion is operating make the following checks 1 Check for gas leaks in the unit piping as well as the su...

Страница 18: ...E 10 Measuring External Static Pressure A0435 001 RETURN AIR DUCT SUPPLY AIR DUCT NOTICE To find 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 15 Gas Rate Cubic Feet Per Hour1 1 EXAMPLE By actual measurement it takes 38 s...

Страница 19: ...or furnace heat active Control in Factory Test mode Operational Fault Codes Flashes None Slow Green Flashes Slow Amber Flashes Rapid Amber Flashes 4 Amber Flashes Steady on Red 1 Red Flash 2 Red Flashes 3 Red Flashes 4 Red Flashes 5 Red Flashes 6 Red Flashes 7 Red Flashes 8 Red Flashes 9 Red Flashes 10 Red Flashes 11 Red Flashes Fault Condition Power Off or open fuse Normal Operation Normal Operat...

Страница 20: ... flame sense current No G from thermostat with Y call Control Failure Flame present with gas off Check pressure switch wiring Vent OR termination problem Airflow problem Flame Rollout Repeated pressure switch cycles Failed to light burners Loss of flame during call for heat Incorrect polarity OR Don t have neutral Gas valve shorted ON Check blower motor wiring CONTROL G GRN G BOARD RED RED GRN ROL...

Страница 21: ...ed Flashes 11 Red Flashes Normal Operation Standby mode Call for furnace heat active Control in Factory Test mode Green Heartbeat Amber Heartbeat Rapid Green Flashes Power Off or open fuse Normal Operation Normal Operation with call for heat Low flame sense current No G from thermostat with Y call Control Failure Flame present with gas off Check pressure switch wiring Vent OR termination problem A...

Страница 22: ...nt with gas off Check pressure switch wiring Vent OR termination problem Airflow problem Flame Rollout Repeated pressure switch cycles Failed to light burners Loss of flame during call for heat Incorrect polarity OR Don t have neutral Gas valve shorted ON Check blower motor wiring DSI Fault Codes CAUTION OPEN ALL DISCONNECTS BEFORE SERVICING THIS UNIT 1 ALL FIELD WIRING TO BE ACCOMPLISHED FOLLOWIN...

Страница 23: ...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 ...

Страница 24: ...1183746 UIM D 1015 24 Johnson Controls Unitary Products NOTES ...

Страница 25: ...1 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 Equipment Data Blower Type Set Up Supply air dry bulb temperature ADJUST A B C D A B C D Total external static pressure Supply static inches o...

Страница 26: ...ion and Cycle Test Operate the unit through continuous fan cycles from the thermostat noting and correcting any problems Operate the unit through cooling cycles from the thermostat noting and correcting any problems Job site has been cleaned indoor and outdoor debris removed from job site Tools have been removed from unit All panels have been installed TXV Fixed Orifice Liquid line temperature Suc...

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