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365147-YTG-C-0608
2 Johnson Controls Unitary Products
All dimensions are in inches. They are subject to change
without notice. Certified dimensions will be provided upon
request.
.
Physical and Electrical Data
MODEL
THGD18
S21S1
THGD24
S21S1
THGD30
S21S1
THGD36
S21S1
THGD42
S21S1
THGD48
S21S1
THGD60
S21S1
Unit Supply Voltage 208-230V, 1φ, 60Hz
Normal Voltage Range
1
187 to 252
Minimum Circuit Ampacity 9.9 13.1 17.7 19.8 24.9 40.1 40.1
Max. Overcurrent Device Amps
2
15 20 30 30 40 50 60
Min. Overcurrent Device Amps
3
15 15 20 20 25 45 45
Compressor Type Recip Recip Recip Recip Recip Scroll Scroll
Compressor Amps
Rated Load 7.6 9.9 13.1 14.6 18.7 30.9 30.9
Locked Rotor 36 54 61 78 78 115 150
Crankcase Heater Yes Yes Yes Yes Yes No No
Fan Motor Amps Rated Load 0.5 1.5 1.4 1.5 1.5 1.5 1.5
Fan Diameter Inches 24 24 24 24 24 24 24
Fan Motor
Rated HP 1/15 1/10 1/4 1/4 1/4 1/4 1/4
Nominal RPM 850 825 1100 850 850 850 850
Nominal CFM 2050 2250 3700 3700 3600 3450 3600
Coil
Face Area Sq. Ft. 15.72 18.34 20.96 23.58 23.58 24.00 27.00
Rows Deep1111122
Fin / Inches 22 22 22 22 22 22 22
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 7/8 7/8 7/8 1-1/8
Unit Charge (Lbs. - Oz.)
4
7 - 3 7 - 7 8 - 12 9 - 1 11 - 14 13 - 4 15 - 5
Charge Per Foot, Oz. 0.68 0.68 0.68 0.70 0.70 0.70 0.76
Operating Weight Lbs. 172 184 196 208 208 275 280
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.
* Adapter fitting required for 1-1/8” line set.
B C Liquid Vapor
18 28
34 34
3/8”
3/4”
24 32 34 34
30 36 34 34
36 40 34 34
7/8”42 40 34 34
48 40 34 34
60 40 34 34 1-1/8”