445073-LTG-A-0109
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
THRD18
S41S1
THRD24
S41S1
THRD30
S41S1
THRD36
S41S1
THRD42
S41S1
THRD48
S41S1
THRD60
S41S1
Unit Supply Voltage
208-230V, 1
60Hz
Normal Voltage Range
1
187 to 252
Minimum Circuit Ampacity
11.2
12.4
14.9
19.9
21.1
23.0
35.4
Max. Overcurrent Device Amps
2
15
20
25
30
35
40
60
Min. Overcurrent Device Amps
3
15
15
15
20
25
25
40
Compressor Type
Recip
Recip
Recip
Recip
Recip
Recip
Scroll
Compressor Amps
Rated Load
8.3
9.3
11.3
14.7
15.7
17.2
27.5
Locked Rotor
43
43
54
74
88
84
135
Crankcase Heater
Yes
Yes
Yes
Yes
Yes
Yes
No
Fan Motor Amps
Rated Load
0.8
0.8
0.8
1.5
1.5
1.5
1.5
Fan Diameter Inches
18
18
22
24
24
24
24
Fan Motor
Rated HP
1/8
1/8
1/8
1/4
1/4
1/4
1/4
Nominal RPM
1075
1075
1075
850
850
850
850
Nominal CFM
2000
2000
2500
3500
3500
3900
23.58
Coil
Face Area Sq. Ft.
9.3
9.3
12.8
15.7
15.7
23.6
23.6
Rows Deep
1
1
1
1
1
1
2
Fin / Inches
18
18
18
22
22
22
18
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)
3/4
3/4
3/4
3/4
7/8
7/8
7/8
Unit Charge (Lbs. - Oz.)
4
5 - 6
5 - 8
7 - 8
7 - 8
8 - 8
9 - 1
13 - 1
Charge Per Foot, Oz.
0.62
0.62
0.62
0.62
0.67
0.67
0.67
Operating Weight Lbs.
145
145
176
193
198
248
290
1. Rated in accordance with ARI 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
C
A
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
29
29
36
28
34
34
42
28
34
34
7/8”
48
40
34
34
60
40
34
34