Carrier SINGLE PACKAGE ROOFTOP UNITS ELECTRIC COOLING/GAS HEATING 48EJ Installation And Service Instructions Manual page 11

UNIT 48EJ,EK,EW,EY
NOMINAL CAPACITY (tons)
OPERATING WEIGHT (lb)*
Unit
Al/Al† (Lo Heat/Hi Heat)
Al/Cu† (Lo Heat/Hi Heat)
Roof Curb (14-in. curb)
COMPRESSOR
Type Ckt 1
Ckt 2
Number of Refrigerant Circuits
Oil (oz) (Ckt 1, Ckt 2)
REFRIGERANT TYPE
Operating Charge (lb-oz)
Circuit 1**
Circuit 2
CONDENSER COIL
Quantity
Rows...Fins/in.
Total Face Area (sq ft)
CONDENSER FAN
Nominal Cfm
Quantity...Diameter (in.)
Motor Hp (1075 Rpm)
EVAPORATOR COIL
Rows...Fins/in.
Total Face Area (sq ft)
EVAPORATOR FAN
Quantity...Size (in.)
Type Drive
Nominal Cfm
Motor Hp
Motor Frame Size (Standard)
(High Efficiency)
Motor Bearing Type
Maximum Allowable Rpm
Motor Pulley Pitch Diameter
Nominal Motor Shaft Diameter (in.)
Fan Pulley Pitch Diameter (in.)
Nominal Fan Shaft Diameter (in.)
Belt, Quantity...Type
Belt, Length (in.)
Pulley Center Line Distance (in.)
Factory Speed Setting (rpm)
FURNACE SECTION
Rollout Switch Cutout Temp (F)
Burner Orifice Diameter
(in. ...drill size)
Natural Gas Std
Liquid Propane Alt
Thermostat Heat Anticipator
Setting (amps)
Stage 1
Stage 2
Gas Input (Btuh) Stage 1 Low
High
Stage 2 Low
High
Efficiency (Steady State) (%)
Temperature Rise Range
Manifold Pressure (in. wg)
Natural Gas Std
Liquid Propane Alt
Gas Valve Quantity
Field Gas Connection Size (in.-FPT)
HIGH-PRESSURE SWITCH (psig)
Cutout
Reset (Auto.)
LOW-PRESSURE SWITCH (psig)
Cutout
Reset (Auto.)
OUTDOOR-AIR FILTERS
Quantity...Size (in.)
RETURN-AIR FILTERS
Quantity...Size (in.)
POWER EXHAUST
Motor, Quantity...Hp
Fan, Diameter... Width (in.)
LEGEND
Al — Aluminum
Cu — Copper
*Weight of unit does not include variable frequency drive (VFD) barometric relief, or power
exhaust. If a VFD is installed, add the VFD weight in the table at right.
†Evaporator coil fin material/condenser coil fin material.
**Sizes 024-034: Circuit 1 uses the lower portion of condenser coil, Circuit 2 uses the upper
portion. Sizes 038-048: Circuit 1 uses the left condenser coil, Circuit 2 the right. All units
have intertwined evaporator coils.
††Motor and drive shown will deliver approximately 2.5 in. wg net external static. See
Table 2 for more information.
Rollout switch is manual reset.
Table 1 — Physical Data (cont)
038D/E
35
4442/4602
4727/4887
410
06D537
06D537
2
115 ea.
34-0
34-0
Cross-Hatched 3 ⁄
8
2
3...15
58.3
27,064
4...30
1
Cross-Hatched
3...15
34.7
2...20x15
Belt
14,000
10 15†† 20
S215T D254T S256T
S215T S254T S256T
Ball
1200
6.1 5.3 5.7
1 3 ⁄ 1 5 ⁄ 1 5 ⁄
8 8 8
13.7 9.5 9.5
1 15 ⁄
16
1...5VX650 2...5VX530 2...5VX550
65 53 55
15.6-18.4 15.0-17.9
779 976 1050
225
.120...31
.096...41
0.1
0.1
300,000
600,000
400,000
800,000
82
10-40/30-60
3.5
3.5
2
1.5
426
320
7
22
10...20x24x2
Direct Drive, 3-Speed, Single-Phase motor (Factory-Wired for High Speed) and Forward Curved Fan
4...1
11...10
044D/E
40
4668/4828
4953/5113
410
06EA250
06EA250
2
224 ea.
R-22
35-0
35-0
Copper Tubes, Aluminum Lanced, Aluminum Pre-Coated, or Copper Plate Fins
2
3...15
58.3
Propeller Type
27,064
4...30
1
3 ⁄ Copper Tubes, Aluminum Plate Fins, Intertwined Circuits
8
3...15
34.7
Centrifugal Type
2...20x15
Belt
16,000
15 20††
D254T S256T
S254T S256T
Ball
1200
5.3 5.7
1 5 ⁄ 1 5 ⁄
8 8
9.5 9.5
1 15 ⁄
16
2...5VX530 2...5VX550
53 55
15.0-17.9
976 1050
225
.120...31
.096...41
0.1
0.1
300,000
600,000
400,000
800,000
82
10-40/30-60
3.5
3.5
2
1.5
426
320
7
22
8...16 × 25
4...20 × 25
10...20x24x2
4...1
11...10
NOTE: High heat is for 48EJ,EW only.
VFD
(Hp)
5
7.5
10
15
20
25
30
11
048D/E
45
4955/5115
5335/5495
410
06EA265
06EA250
2
304, 224
41-0
41-0
1
4...15
66.7
27,064
4...30
1
4...15
34.7
2...20x15
Belt
18,000
25 20 25††
S284T S256T S284T
S284T S256T S284T
Ball
1200
7.5 6.3 5.9
1 7 ⁄ 1 5 ⁄ 1 7 ⁄
8 8 8
11.1 11.1 12.5
1 15 ⁄
16
2...5VX590 2...5VX570 2...5VX630
59 57 63
14.6-17.6 15.0-17.9
1182 993 1134
225
.120...31
.096...41
0.1
0.1
300,000
600,000
400,000
800,000
82
10-40/30-60
3.5
3.5
2
1.5
426
320
7
22
10...20x24x2
4...1
11...10
VFD WEIGHTS (lb)
208/230 v 460 v
20 22
51 37
51 61
61 63
63 111
105 112
172 118
1
3...15
30
S286T
S286T
7.5
1 7 ⁄
8
11.1
2...5VX610
59
14.6-17.6
1182
575 v
60
64
64
109
109
174
180