Carrier SINGLE PACKAGE ROOFTOP UNITS ELECTRIC COOLING/GAS HEATING 48HJ015-025 User Manual
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Table 1 — Physical Data
UNIT SIZE 48
HJD015/HJE015
HJE017
HJD025
208/230, 460 V
575 V
OPERATING WT (lb)
Al/Al*
1640/1660
2010
2235
Unit Al/Cu*
1770/1790
2160
2385
Cu/Cu*
1840/1860
2250
2515
Economizer
110
110
110
Roof Curb†
200
200
200
COMPRESSOR
06D Semi-Hermetic
Number
1
2
2
Cylinders
6
4
6
REFRIGERANT TYPE
R-22
Charge (lb)
System 1
22.50
14.25
17.50
System 2
—
15.00
17.00
CONDENSER COIL
Copper Tubes, Aluminum or Copper Plate Fins
Rows
3
4
4
Fins/in.
15
15
15
Total Face Area (sq ft)
22.2
22.2
22.2
CONDENSER FAN
Propeller Type, Direct Drive
Nominal Cfm
10,500
10,500
14,200
Number...Diameter (in.)
3...22
3...22
2...30
Motor Hp (1075 Rpm)
1
⁄
2
1
⁄
2
1...1075
Watts Input (Total)
1090
1090
3400
EVAPORATOR COIL
Copper Tubes, Aluminum or Copper Plate Fins
Rows
2
3
4
Fins/in.
17
15
15
Total Face Area (sq ft)
17.9
17.9
17.9
EVAPORATOR FAN
Centrifugal, Adjustable Pitch Belt Drive
Quantity...Size (in.)
2...10 x 10
2...10 x 10
2...12 x 12
2...12 x12
Nominal Cfm
5000
5000
6000
8000
Fan Rpm Range
1194-1526
1201-1462
1238-1494
1323-1579
Maximum Allowable Rpm
1550
1550
1550
1550
Motor Pulley Pitch Diameter (in.)
3.4/4.4
4.3/5.3
5.4/6.6
5.8/7.0
Fan Pulley Pitch Diameter (in.)
5.2
6.4
7.9
7.9
Belt, Quantity...Type...Length (in.)
1...AX...42
1...B...45
1...BX...50
1...BX...51
Factory Speed Setting (Rpm)
1293
1279
1366
1451
Motor Hp (Service Factor)
3.7 (1.15)
3 (1.15)
5 (1.15)
10 (1.15)
Motor Frame Size
56H
56H
184T
215T
FURNACE SECTION
Rollout Switch Cutout Temp (F)**
190
190
190
Burner Orifice Diameter (in. ...drill size)
Natural Gas
.113...33
.113...33
.113...33
Pilot Orifice Diameter (Quantity) in. ...drill size
Natural Gas
(1) .055...54/
(1) .055...54
(1) .041...59
(1) .055...54
(1) .041...59
(1) .055...54
(1) .041...59
Thermostat Heat Anticipator Setting
Stage 1
Stage 2
1.2/1.2
—/0.6
1.2
0.6
1.2
0.6
Gas Valve Quantity
1/2
2
2
HIGH-PRESSURE SWITCH
Cutout (psig)
426
Reset (psig)
320
LOW-PRESSURE SWITCH
Cutout (psig)
7
Reset (psig)
22
AIR INLET SCREENS
Cleanable
Economizer, Quantity...Size (in.)
2...20 x 25 x 1
1...20 x 20 x 1
RETURN-AIR FILTERS (TYPE)
10% Efficient — 2-in. Throwaway Fiberglass
Quantity... Size (in.)
4...20 x 20 x 2
4...16 x 20 x 2
LEGEND
Al
— Aluminum
Cu — Copper
*Evaporator coil fin material/condenser coil fin material.
†Weight of 14 in. roof curb.
**Rollout switch is manual reset.
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