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UNIT SIZE 48GP
NOMINAL CAPACITY (ton)
OPERATING WEIGHT (lb.)
COMPRESSORS
Quantity
REFRIGERANT (R-410A)
Quantity (lb.)
REFRIGERANT METERING DEVICE
Orifice ID (in.)
AccuRater™ Piston
CONDENSER COIL
Rows...Fins/in.
Face Area (sq ft)
CONDENSER FAN
Nominal Cfm
Diameter (in.)
Motor Hp (Rpm)
EVAPORATOR COIL
Rows...Fins/in.
Face Area (sq ft)
EVAPORATOR BLOWER
Nominal Airflow (Cfm)
Size (in.)
Motor (HP)
FURNACE SECTION*
Burner Orifice No. (Qty...Drill Size)
Natural Gas
Burner Orifice No. (Qty...Drill Size)
Propane Gas
HIGH-PRESSURE SWITCH (psig)
Cutout
Reset (Auto)
LOSS-OF-CHARGE/LOW-PRESSURE SWITCH
(Liquid Line) (psig)
Cutout
Reset (Auto)
RETURN-AIR FILTERS (in.)
Throwaway
* Based on altitude of 0 to 2000 ft.
UNIT
V-PH-HZ
SIZE 48GP
024
208/230–1–60
030
208/230–1–60
036
208/230–1–60
042
208/230–1–60
048
208/230–1–60
060
208/230–1–60
f. Loosen set-screw that secures wheel to motor shaft, remove
screws that secure motor mount brackets to blower housing,
and slide motor and motor mount out of blower housing.
2. Remove and clean blower wheel as follows:
a. Ensure proper reassembly by marking wheel orientation.
b. Lift wheel from housing. When handling and/or cleaning
blower wheel, be sure not to disturb balance weights (clips)
on blower wheel vanes.
c. Remove caked-on dirt from wheel and housing with a
brush. Remove lint and/or dirt accumulations from wheel
and housing with vacuum cleaner, using soft brush attach-
ment. Remove grease and oil with mild solvent.
Table 2—ICM FIOP Physical Data—Unit 48GP (Continued)
THIS DATA APPLIES TO 48GP UNITS WITH THE ICM INDOOR MOTOR FIOP
048090
4
421
9.5
.073
2...17
12.3
3300
22
1/4 (1100)
4...15
4.7
1600
11 X 10
3/4
3...38
3...46
24 X 30 X 1
Table 3—48GP with ICM FIOP Electrical Data
VOLTAGE
COMPRESSOR
RANGE
MIN
MAX
RLA
187
253
13.5
187
253
14.7
187
253
15.4
187
253
18.6
187
253
20.5
187
253
27.6
048115
048130
4
4
421
421
Scroll
1
9.5
9.5
.073
.073
2...17
2...17
12.3
12.3
3300
3300
22
22
1/4 (1100)
1/4 (1100)
4...15
4...15
4.7
4.7
1600
1600
11 X 10
11 X 10
3/4
3/4
3...33
3...31
3...42
3...41
610 ± 15
420 ± 25
20 ± 5
45 ± 10
24 X 30 X 1
24 X 30 X 1
OUTDOOR FAN
MOTOR
LRA
FLA
61.0
0.9
73.0
0.9
83.0
0.9
105.0
0.9
109.0
1.6
158.0
1.6
d. Reassemble wheel into housing.
e. Reassemble motor into housing. Be sure set-screw(s) are
tightened on motor shaft flats and not on round part of
shaft.
f. Pivot blower access panel back into place. Adjust wire
assemblies so that wiring follows proper pathways.
g. Reinstall unit access panel.
3. Restore electrical power, then gas supply to unit. Start unit and
check for proper blower rotation and motor speeds during
heating and cooling cycles.
START-UP CHECKLIST
13
060090
060115
5
5
468
468
10.0
10.0
.086
.086
2...17
2...17
16.4
16.4
3300
3300
22
22
1/4 (1100)
1/4 (1100)
4...15
4...15
4.7
4.7
2000
2000
11 X 10
11 X 10
1.0
1.0
3...38
3...33
3...46
3...42
24 X 30 X 1
24 X 30 X 1
INDOOR FAN
POWER SUPPLY
MOTOR
MAX FUSE
FLA
MCA
OR CKT. BKR.
4.3
22.1
4.3
23.6
6.8
27.0
6.8
31.0
6.8
34.0
9.2
45.2
TROUBLESHOOTING
060130
5
468
10.0
.086
2...17
16.4
3300
22
1/4 (1100)
4...15
4.7
2000
11 X 10
1.0
3...31
3...41
24 X 30 X 1
30
30
35
40
40
60
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