810751-UTG-A-0313
2
Johnson Controls Unitary Products
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
RAC14J18
4S21(E)
RAC14J24
4S21(E)
RAC14J30
4S21(E)
RAC14J36
4S21(E)
RAC14J42
4S21(E)
RAC14J48
4S21(E)
RAC14J60
4S21(E)
Unit Supply Voltage
208-230V, 1
60Hz
Normal Voltage Range
1
187 to 252
Minimum
Circuit
Ampacity
12.0
16.8 18.4 19.1 23.9 26.3
32.7
Max. Overcurrent Device Amps
2
20
25 30 30 40 45 50
Min. Overcurrent Device Amps
3
15
20 20 20 25 30 35
Compressor
Amps
Type
Scroll
Scroll Scroll Scroll Scroll Scroll Scroll
Rated
Load
9.0
12.8 14.1 14.1 17.9 19.9
25.0
Locked
Rotor
46
58 73 77 112
109
134
Crankcase
Heater
No
No No No No No No
Factory External Discharge Muffler
No
No
No
No
No
No
No
Factory External Check Valve
No
No
No
No
No
No
No
HS Kit Required with TXV
4
No
No
No
No
No
No
No
Fan
Diameter
Inches
1/8
1/8 1/8 1/4 1/4 1/4 1/4
Fan Motor
Rated
HP
0.8
0.8 0.8 1.5 1.5 1.5 1.5
Rated
Load
Amps
22
22 22 22 24 24 24
Nominal
RPM
1075
1075
1075 850 850 850 850
Nominal
CFM
2750
2750 2800 3200 3600 3700
3750
Coil
Face
Area
Sq.
Ft.
13.1
13.1 17.4 17.4 20.0 21.4 24.0
Rows
Deep
1
1 1 1 1 1 1
Fins
/
Inch
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)
3/4
3/4
3/4
3/4
7/8
7/8
7/8
Unit Charge (Lbs. - Oz.)
5
3 - 10
3 - 2
3 - 7
3 - 10
4 - 4
5 - 1
5 - 4
Charge
Per
Foot,
Oz.
0.62
0.62 0.62 0.62 0.67 0.67 0.67
Operating
Weight
Lbs.
125
128 130 145 172 208
231
Models with “E” on the end of the model number have an ElectroFin® coating on the outdoor coil.
1. Rated in accordance with AHRI Standard 110-2012, 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. See Hard Start Kit Accessory Installation Manual for Hard Start Kit part number for each model.
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 length multiplied by the per foot value.
B
C
A
Unit
Model
Dimensions
(Inches)
Refrigerant Connection
Service Valve Size
A
B
C
Liquid
Vapor
18
28-1/4
29-1/2
29-1/2
3/8
3/4
24
28-1/4
29-1/2
29-1/2
30
36-1/4
29-1/2
29-1/2
36
36-1/4
29-1/2
29-1/2
42
34-1/4
34
34
7/8
48
36-1/4
34
34
60
40-1/4
34
34