556452-UTG-C-0611
2
Johnson Controls Unitary Products
All dimensions are in inches. They are subject to change with-
out notice. Certified dimensions will be provided upon request.
Physical and Electrical Data
MODEL
GCGD18
S41S3
GCGD24
S41S3
GCGD30
S41S3
GCGD36
S41S3
GCGD42
S41S3
GCGD48
S41S3
GCGD60
S41S3
Unit Supply Voltage
208-230V, 1
60Hz
Normal Voltage Range
1
187 to 252
Minimum
Circuit
Ampacity
9.8 12.4 14.7 17.9 21.5
21.1 34.3
Max. Overcurrent Device Amps
2
15 20 25 30 35 35 60
Min. Overcurrent Device Amps
3
15 15 15 20 25 25 35
Compressor Type
Rotary
Recip
Recip
Recip
Recip
Recip
Scroll
Compressor Amps
Rated
Load
7.4
9.3 10.6 13.1 16.0 15.7 26.2
Locked
Rotor
40 43 54 74 84 84 150
Crankcase
Heater
No No No No No No No
Fan
Motor
Amps
Rated
Load
0.5 0.8 1.4 1.5 1.5 1.5 1.5
Fan
Diameter
Inches
17.5
17.5
17.5 22 22 22 24
Fan Motor
Rated
HP
1/12 1/8 1/4 1/4 1/4 1/4 1/4
Nominal
RPM
1100
1075
1100 850 850 850 850
Nominal
CFM
1400 1950 2050 3200 2950 2950 3600
Coil
Face Area Sq. Ft.
9.60
9.60
9.60
13.07
14.16
14.16
18.68
Rows
Deep
1 1 1 1 1 1 1
Fin
/
Inches
23 23 23 23 23 23 23
Liquid Line Set OD (Field Installed)
3/8
3/8
3/8
3/8
3/8
3/8
3/8
Vapor Line Set OD (Field Installed)
5/8
3/4
3/4
3/4
7/8
7/8
7/8
Unit Charge (Lbs. - Oz.)
4
3 - 3
3 - 13
3 - 14
4 - 9
4 - 5
4 - 9
5 - 6
Charge
Per
Foot,
Oz.
0.58 0.62 0.62 0.62 0.67 0.67 0.67
Operating Weight Lbs.
97
129
131
145
173
173
195
1. Rated in accordance with AHRI Standard 110, utilization range “A”.
2. Dual element fuses or HACR circuit breaker. Maximum allowable overcurrent protection.
3. Dual element fuses or HACR circuit breaker. Minimum recommended overcurrent protection.
4. The Unit Charge is correct for the outdoor unit, matched indoor coil, and 15 feet of refrigerant tubing. For tubing lengths other than 15 feet,
add or subtract the amount of refrigerant, using the difference in length multiplied by the per foot value.
B
A
C
Unit
Model
Dimensions
(Inches)
Refrigerant Connection
Service Valve Size
A
1
1. Including Fan Guard.
B
C
Liquid
Vapor
18
28
23-1/2
23-1/2
3/8”
3/4”
24
28
23-1/2
23-1/2
30
28
23-1/2
23-1/2
36
28
29
29
42
30
29
29
7/8”
48
30
29
29
60
32
33-5/8
33-5/8
