Carrier 48HJD005-007 specifications Physical Data cont

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Table 1 — Physical Data (cont)

BASE UNIT 48

HJE/F/H/K/M/N004

HJD/E/F/G/H/K/L/M/N005

 

HJD/E/F/G/H/K/L/M/N006

HJD/HJE/HJF007

FURNACE SECTION

 

 

 

 

 

 

 

 

Rollout Switch Cutout Temp (F)†

195

 

195

 

 

195

 

195

Burner Orifice Diameter (in. ...drill size)**

 

 

 

 

 

 

 

 

Natural Gas — Std

HJE .113...33

HJD .113...33

 

HJD .113...33

HJD .113...33

 

HJF .113...33

HJE .113...33

 

HJE .113...33

HJE .113...33

 

HJF .129...30

 

HJF .129...30

HJF .129...30

 

HJH .113...33

HJG .113...33

 

HJG .113...33

 

 

HJK .113...33

HJH .113...33

 

HJH .113...33

 

 

HJK .129...30

 

HJK .129...30

 

 

HJM .102...38

HJL .102...38

 

HJL .102...38

 

 

HJN .102...38

HJM .102...38

 

HJM .102...38

 

 

HJN .116...32

 

HJN .116...32

 

Liquid Propane — Alt††

HJE .089...43

HJD .089...43

 

HJD .089...43

HJD .089...43

 

HJF .089...43

HJE .089...43

 

HJE .089...43

HJE .089...43

 

HJF .102...38

 

HJF .102...38

HJF .102...38

 

HJH .082...45

HJG .089...43

 

HJG .089...43

 

 

HJK .082...45

HJH .089...43

 

HJH .089...43

 

 

HJK .102...38

 

HJK .102...38

 

 

HJM .082...45

HJL .082...45

 

HJL .082...45

 

 

HJN .082...45

HJM .082...45

 

HJM .082...45

 

Thermostat Heat Anticipator Setting (amps) 208/230/460 v

HJN .094...42

 

HJN .094...42

 

 

 

 

 

 

 

 

 

First Stage

.14

 

.14

 

 

.14

 

.14

Second Stage

.14

 

.14

 

 

.14

 

.14

Gas Input (Btuh)

 

 

 

 

 

 

 

 

First Stage/Second Stage

HJE 50,000/ 72,000

HJD

50,000/ 72,000

 

HJD

50,000/ 72,000

HJD

50,000/ 72,000

 

HJF 82,000/115,000

HJE

82,000/115,000

 

HJE

82,000/115,000

HJE

82,000/115,000

 

HJF 120,000/150,000

 

HJF 120,000/150,000

HJF 120,000/150,000

 

HJH*** —/ 72,000

HJG*** —/ 72,000

 

HJG*** —/ 72,000

 

 

HJK***—/115,000

HJH*** —/115,000

 

HJH*** —/115,000

 

 

HJK*** —/150,000

 

HJK*** —/150,000

 

 

HJM††† —/ 60,000

HJL††† —/ 60,000

 

HJL††† —/ 60,000

 

 

HJN††† —/ 90,000

HJM††† —/ 90,000

 

HJM†††—/ 90,000

 

 

HJN††† —/120,000

 

HJN††† —/120,000

 

Efficiency (Steady State) (%)

HJE 82

HJD 82

 

HJD 82

HJD 82

 

HJF 81

HJE 81

 

HJE 81

HJE 81

 

HJF 80

 

HJF 80

HJF 80

 

HJH 82

HJG 82

 

HJG 82

 

 

HJK 81

HJH 81

 

HJH 81

 

 

HJK 80

 

HJK 80

 

 

HJM 81

HJL 81

 

HJL 81

 

 

HJN 81

HJM 81

 

HJM 81

 

 

HJN 82

 

HJN 82

 

Temperature Rise Range

HJE 15-45

HJD 15-45

 

HJD 15-45

HJD 15-45

 

HJF 55-85

HJE 35-65

 

HJE 35-65

HJE 35-65

 

HJF 50-80

 

HJF 50-80

HJF 50-80

 

HJH 15-45

HJG 15-45

 

HJG 15-45

 

 

HJK 55-85

HJH 35-65

 

HJH 35-65

 

 

HJK 50-80

 

HJK 50-80

 

 

HJM 20-50

HJL 20-50

 

HJL 20-50

 

 

HJN 30-60

HJM 30-60

 

HJM 30-60

 

Manifold Pressure (in. wg)

HJN 40-70

 

HJN 40-70

 

 

 

 

 

 

 

 

 

Natural Gas — Std

3.5

 

3.5

 

 

3.5

 

3.5

Liquid Propane — Alt††

3.5

 

3.5

 

 

3.5

 

3.5

Maximum Static Pressure (in. wg)

1.0

 

1.0

 

 

1.0

 

1.0

Field Gas Connection Size (in.)

1/2

 

1/2

 

 

1/2

 

1/2

HIGH-PRESSURE SWITCH (psig)

 

 

 

 

 

 

 

 

Standard Compressor Internal Relief

 

 

450 ± 50

 

 

 

Cutout

 

 

 

428

 

 

 

Reset (Auto.)

 

 

 

320

 

 

 

LOSS-OF-CHARGE SWITCH/LOW-PRESSURE

 

 

 

 

 

 

 

 

SWITCH (Liquid LIne) (psig)

 

 

 

 

 

 

 

 

Cutout

 

 

 

7 ± 3

 

 

 

Reset (Auto.)

 

 

22 ± 5

 

 

 

FREEZE PROTECTION THERMOSTAT

 

 

 

 

 

 

 

 

Opens (F)

 

 

30 ± 5

 

 

 

Closes (F)

 

 

45 ± 5

 

 

 

OUTDOOR-AIR INLET SCREENS

 

 

Cleanable

 

 

 

Quantity...Size (in.)

 

 

1...20 x 24 x 1

 

 

 

RETURN-AIR FILTERS

 

 

Throwaway

 

 

 

Quantity...Size (in.)

 

 

2...16 x 25 x 2

 

 

 

LEGEND

Bhp — Brake Horsepower

*Single phase/three phase. †Indicates automatic reset.

**48HJD005-007 and 48HJE004 (72,000 Btuh heat input) units have 2 burners. 48HJE005-007 and 48HJF004 (115,000 Btuh heat input) units and 48HJF005- 007 (150,000 Btuh Heat input) units have 3 burners.

††An LP kit is available as an accessory.

Three-phase standard models have heating inputs as shown. Single-phase standard models have one-stage heating with heating input values as follows:

48HJE004, 48HJD005,006 — 72,000 Btuh

48HJF004, 48HJE005,006 — 115,000 Btuh 48HJF005,006 — 150,000 Btuh

***California compliant three-phase models.

†††California SCAQMD compliant low NOx models have combustion products that are controlled to 40 nanograms per joule or less.

6

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Contents INSTALLATION CONTENTSSAFETY CONSIDERATIONS Step 1 - Provide Unit SupportFig. 1 - Roof Curb Details 1′-4″Fig. 2 - Unit Leveling Tolerances Fig. 3 - Condensate Drain PanStep 7 - Make Electrical Connections Table 1 - Physical Data Table 1 - Physical Data cont Fig. 5 - Base Unit Dimensions - 48HJ004-007 1/2″3/4″ Thru-the-Curb Service Connections Step 8 - Adjust Factory-Installed OptionsFig. 7 - Gas Piping Guide With Accessory Fig. 6 - Flue Hood DetailsFig. 8 - Power Wiring Connections Fig. 10 - Field Control Wiring RacewayFig. 9 - Low-Voltage Connections With or Without Economizer Never operate a motor where a phase imbalance in supply volt age is greater than 2%. Use the following formula to determinethe percent of voltage imbalance Table 2C - 48HJ High-Static Motor Units Without Electrical Convenience Outlet Fig. 11 - Accessory Field-Installed Humidistat 208/230-V Unit ShownFig. 16 - Horizontal Durablade Economizer Installation Fig. 13 - Typical Access Panel LocationsFig. 15 - Durablade Economizer Installed in Unit Fig. 14 - Outdoor-Air Hood DetailsFig. 19B - Durablade Economizer Minimum Position Damper Setting Wiring HarnessFig. 19A - Durablade Economizer Damper Minimum Position Setting Fig. 20 - Outdoor-Air Thermostat Enthalpy Control InstallationFig. 25 - Exhaust Air Hood Assembly Relief Damper CharacteristicsFig. 24 - Typical Access Panel Locations Fig. 22 - Durablade Economizer BarometricFig. 27 - Completed Hood Assembly Fig. 28 - Rear EconoMi$er Flange InstallationFig. 26 - Outdoor-Air Hood Assembly Fig. 29 - EconoMi$er InstalledFig. 32 - Wiring Diagram for Power Exhaust System Fig. 31 - EconoMi$er Sensor WiringFig. 33 - Typical Access Panel Locations POWER EXHAUST SYSTEM HIGH VOLTAGEFig. 35 - EconoMi$er Control Adjustment Fig. 34 - Supply-Air Sensor PlacementTable 4 - Default Potentiometer Settings Potentiometers Factory SettingsStep 9 - Adjust Evaporator-Fan Speed - Ad Fig. 38 - Evaporator-Fan Pulley AdjustmentFig. 37 - Belt-Drive Motor Mounting Table 5A - 48HJ Fan Rpm at Motor Pulley Setting With Standard Motor Table 6 - Evaporator-Fan Motor Data - Standard MotorTable 7 - Evaporator-Fan Motor Data - High-Static Motors Table 8 - Motor Nominal Horsepower Table 9 - Outdoor Sound Power Total UnitBels Table 12 - 48HJ005 Fan Performance - Vertical Discharge Units With Standard Motor Single-Phase Units 3-Phase UnitsTable 16 - 48HJ007 Fan Performance - Vertical Discharge Units With Standard Motor Table 18 - 48HJ004 Fan Performance - Horizontal Discharge Units With Standard Motor Table 20 - 48HJ005 Fan Performance - Horizontal Discharge Units With Standard Motor 3-Phase Units Table 27 - FIOP MoistureMiser Dehumidification FIOP - Factory-Installed OptionTable 26 - Economizer Static Pressure Drop in. wg Package Static Pressure Drop in. wgPRE-START-UP START-UPHeating Operating SequenceTable 28 - Altitude Compensation When the supply-air temperature falls between 57 F and Fig. 39 - MoistureMiser Option Operation Fig. 40 - Cleaning Condenser Coil Fig. 41 - Propping Up Top Panel SERVICELubrication Fig. 42 - Separating Coil SectionsFig. 43 - Condenser-Fan Adjustment Fig. 44 - Cooling Charging Chart Standard 48HJ004Fig. 45 - Cooling Charging Chart Standard 48HJ005 Fig. 46 - Cooling Charging Chart Standard 48HJ006 Fig. 47 - Cooling Charging Chart Standard 48HJ007Fig. 48 - Cooling Charging Chart, 48HJ004 with Optional MoistureMiser Dehumidification Package Table 29 - LED Error Code Description Fig. 52 - Burner Section Details Fig. 53 - Burner Tray DetailsMEDIUM AND HIGH HEAT 48HJE005-007, 48HJF004 - 115,000 BTUH INPUT Fig. 54 - Spark Gap AdjustmentLOW HEAT 48HJE004, 48HJD005-007 - 72,000 BTUH INPUT 48HJF005-007 - 150,000 BTUH INPUTTROUBLESHOOTING Table 30 - LED Error Code Service AnalysisTable 31 - Heating Service Analysis Table 32 - Durablade Economizer Service AnalysisTable 34 - EconoMi$er Troubleshooting Table 33 - EconoMi$er Flash Code IdentificationCritical Table 35 - MoistureMiser Dehumidification Subcooler Service Analysis Table 36 - Cooling Service Analysis Compressor operates continuouslyFig. 55 - Typical Wiring Schematic and Component Arrangement 208/230 3-Phase Unit ShownLEGEND AND NOTES FOR FIG NOTES FOR FIGReplaces 48HJ-17SI Page II. PRE-START-UP insert checkmark in box as each item is completed START-UP CHECKLIST Remove and Store in Job FileI. PRELIMINARY INFORMATION III. START-UP