5271022-BTG-A-0916
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
TF3B1821S
TF3B2421S
TF3B3021S
TF3B3621S
TF3B4221S
TF3B4821S TF3B6021S
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
11.7
14.5
18.1
18.9
23.7
25.7
31.1
Max. Overcurrent Device Amps
2
2. Dual element fuses or HACR circuit breaker. Maximum allowable overcurrent protection.
20
25
30
30
40
45
50
Min. Overcurrent Device Amps
3
3. Dual element fuses or HACR circuit breaker. Minimum recommended overcurrent protection.
15
15
20
20
25
30
35
Compressor
Type
Scroll
Scroll
Scroll
Scroll
Scroll
Scroll
Scroll
Rated Load
9.0
10.9
13.4
14.1
17.9
19.5
24.3
Locked Rotor
47.5
62.9
72.5
77.0
112.0
130.0
144.2
Crankcase Heater
No
No
No
No
No
No
No
Factory External Discharge Muffler
No
No
No
No
No
No
No
HS Kit Required with TXV
No
No
No
No
No
No
No
Fan Diameter Inches
18
18
22
22
24
24
26
Fan Motor
Rated HP
1/12
1/12
1/4
1/4
1/4
1/4
1/4
Rated Load Amps
0.64
0.64
1.30
1.30
1.30
1.30
1.30
Nominal RPM
1000
1000
850
850
850
850
850
Nominal CFM
2080
2200
3240
3460
3850
3900
3850
Coil
Face Area Sq. Ft.
13.06
13.06
17.94
17.94
19.49
21.66
26.40
Rows Deep
1
1
1
1
1
1
1
Fins / Inch
22
22
22
22
22
22
25
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)
4
4. 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
7/8
7/8
1-1/8
‡
Unit Charge (Lbs. - Oz.)
5
5. 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.
4 - 5
4 - 9
6 - 2
6 - 1
6 - 8
7 - 6
8 - 8
Charge Per Foot, Oz.
0.62
0.62
0.62
0.62
0.67
0.67
0.75
Operating Weight Lbs.
118
118
149
155
184
210
216
&
%
$
$
DIMENSIONS
Unit
Model
Dimensions
(Inches)
Refrigerant Connection
Service Valve Size
A
B
C
Liquid
Vapor
TF3B1821S
33-1/4
24
24
3/8
3/4
TF3B2421S
33-1/4
24
24
TF3B3021S
36-1/4 29-1/4 29-1/4
TF3B3621S
36-1/4 29-1/4 29-1/4
TF3B4221S
33-1/4 35-1/4 31-3/4
7/8
TF3B4821S
36-1/4 35-1/4 31-3/4
TF3B6021S
39-1/2
38
34-1/4
1-1/8‡
