5005749-CTG-A-0216
Johnson Controls Unitary Products
3
‡ Adapter fitting must be field installed for the required 1-1/8” line set.
All dimensions are in inches and are subject to change without notice.
Overall height is from bottom of base pan to top of fan guard.
Overall length and width include screw heads.
PHYSICAL AND ELECTRICAL DATA
MODEL
TH4B1821S TH4B2421S TH4B3021S TH4B3521S TH4B3621H TH4B4221H TH4B4821S TH4B6021S
Unit Supply Voltage
208-230V, 1
60Hz
Normal Voltage Range
1
1. Rated in accordance with AHRI Standard 110-2012, utilization range “A”.
187 to 252
Minimum Circuit Ampacity
12.0
15.4
18.1
20.5
19.7
25.5
30.8
31.7
Max. Overcurrent Device Amps
2
2. Dual element fuses or HACR circuit breaker. Maximum allowable overcurrent protection.
20
25
30
35
30
40
50
50
Min. Overcurrent Device Amps
3
3. Dual element fuses or HACR circuit breaker. Minimum recommended overcurrent protection.
15
20
20
25
20
30
35
35
Compressor Type
Scroll
Scroll
Scroll
Scroll
Recip
Recip
Scroll
Scroll
Compressor
Amps
Rated Load
9.0
11.7
13.4
15.4
14.7
19.4
23.6
24.3
Locked Rotor
56.3
61.6
72.5
83.9
78.0
88.0
130.0
144.2
Crankcase Heater
No
No
No
No
Yes
Yes
No
No
Factory External Discharge Muffler
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
HS Kit Required with TXV
4
4. See Hard Start Kit Accessory Installation Manual for Hard Start Kit part number for each model.
No
No
No
No
Yes*
Yes*
No
No
Fan Diameter Inches
22
22
24
24
24
24
26
26
Fan Motor
Rated HP
1/8
1/8
1/4
1/4
1/4
1/4
1/4
1/4
Rated Load Amps
0.80
0.80
1.30
1.30
1.30
1.30
1.30
1.30
Nominal RPM
1075
1075
850
850
850
850
850
850
Nominal CFM
2850
2850
2995
2995
3715
3715
4000
4100
Coil
Face Area Sq. Ft.
14.35
17.94
23.82
23.82
46.92
46.92
52.08
56.82
Rows Deep
1
1
1
1
2
2
2
2
Fins / Inch
22
22
22
22
18
18
18
18
Liquid Line Set OD (Field Installed)
3/8
3/8
3/8
3/8
3/8
3/8
3/8
3/8
Vapor Line Set OD (Field Installed)
5
5. For applications with non-standard vapor line sizes, see the “Applications & Accessories” section of this Technical Guide.
3/4
3/4
3/4
3/4
3/4
7/8
7/8
1-1/8
‡
Unit Charge (Lbs. - Oz.)
6
6. The Unit Charge is correct for the outdoor unit, smallest matched indoor unit, and 15 feet of refrigerant tubing. For tubing lengths other than 15 feet, add or subtract
the amount of refrigerant, using the difference in actual lineset length (not the equivalent length) multiplied by the per foot value.
5 - 11
6 - 7
7 - 15
8 - 1
12 - 4
12 - 7
15 - 4
14 - 10
Charge Per Foot, Oz.
0.62
0.62
0.62
0.62
0.62
0.67
0.67
0.75
Operating Weight Lbs.
120
131
176
176
230
230
235
256
* Models with "H" on the end of the model number are shipped with a Hard Start Kit installed at the factory.
A
C
B
A0339-001
Unit
Model
Dimensions
(Inches)
Refrigerant Connection
Service Valve Size
A
B
C
Liquid
Vapor
TH4B1821S
33-1/4
29-1/4
29-1/4
3/8
3/4
TH4B2421S
36-1/4
29-1/4
29-1/4
TH4B3021S
39-1/2
35-1/4
31-3/4
TH4B3521S
39-1/2
35-1/4
31-3/4
TH4B3621H
39-1/2
35-1/4
31-3/4
TH4B4221H
39-1/2
35-1/4
31-3/4
7/8
TH4B4821S
39-1/2
38
31-3/4
TH4B6021S
42-3/4
38
34-1/4
7/8
‡
