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TABLE 4—ICM FIOP PHYSICAL DATA—UNIT 683B
THIS DATA APPLIES TO 683B UNITS WITH THE ICM INDOOR MOTOR FIOP
UNIT SIZE 683B 024040 030040 030060 036060 036090 042060 042090
NOMINAL CAPACITY (ton) 2 2-1/2 2-1/2 3 3 3-1/2 3-1/2
OPERATING WEIGHT (lb.) 310 324 324 321 321 380 380
COMPRESSORS
Quantity
Scroll
1
REFRIGERANT (R-410A)
Quantity (lb.)
7.0 8.9 8.9 9.3 9.3 9.5 9.5
REFRIGERANT METERING DEVICE
Orifice Indoor (in.)
Check-Flo-Rater™ Piston
0.061 0.061 0.061 0.067 0.067 0.073 0.073
REFRIGERANT METERING DEVICE
Orifice Outdoor (in.)
Check-Flo-Rater™ Piston
0.032 (2) 0.040 (2) 0.040 (2) 0.040 (2) 0.040 (2) 0.038 (2) 0.038 (2)
OUTDOOR COIL
Rows...Fins/in.
Face Area (sq ft)
2...17
8.5
2...17
10.3
2...17
10.3
2...17
10.3
2...17
10.3
2...17
13.5
2...17
13.5
OUTDOOR FAN
Nominal Cfm
Diameter (in.)
Motor Hp (Rpm)
2350
22
1/8 (825)
2350
22
1/8 (825)
2350
22
1/8 (825)
2500
22
1/4 (1100)
2500
22
1/4 (1100)
2350
22
1/8 (825)
2350
22
1/8 (825)
INDOOR COIL
Rows...Fins/in.
Face Area (sq ft)
3...15
3.7
3...15
3.7
3...15
3.7
4...15
3.7
4...15
3.7
3...15
4.7
3...15
4.7
INDOOR BLOWER
Nominal Airflow (Cfm)
Size (in.)
Motor (HP)
800
10X10
1/2
1000
10X10
1/2
1000
10X10
1/2
1200
11X10
3/4
1200
11X10
3/4
1400
11X10
3/4
1400
11X10
3/4
FURNACE SECTION*
Burner Orifice No. (Qty...Drill Size)
Natural Gas
Burner Orifice No. (Qty...Drill Size)
Propane Gas
2...44
2...50
2...44
2...50
2...38
2...46
2...38
2...46
3...38
3...46
2...38
2...46
3...38
3...46
HIGH-PRESSURE SWITCH (psig)
Cutout
Reset (Auto)
610±15
420±25
LOSS-OF-CHARGE/LOW-
PRESSURE SWITCH
(Liquid Line) (psig)
Cutout
Reset (Auto)
20±5
45±10
RETURN-AIR FILTERS (in.)
Throwaway
20X20X1 20X20X1 20X20X1 20X24X1 20X24X1 24X30X1 24X30X1
* Based on altitude of 0 to 2000 ft.
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