Specification
5146694-BTG-C-0616
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 TC3B1821(H,S) TC3B2421(H,S) TC3B3021(H,S) TC3B3621(H,S) TC3B4221(H,S) TC3B4821S TC3B6021S
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 9.6 12.3 14.2 19.9 21.9 28.5 34.3
Max. Overcurrent Device Amps
2
2. Dual element fuses or HACR circuit breaker. Maximum allowable overcurrent protection.
15 20 20 30 35 50 60
Min. Overcurrent Device Amps
3
3. Dual element fuses or HACR circuit breaker. Minimum recommended overcurrent protection.
15 15 15 20 25 30 35
Compressor Type Recip Recip Recip Recip Recip Scroll Scroll
Compressor
Amps
Rated Load 7.0 9.2 10.7 14.7 16.5 21.8 26.4
Locked Rotor 45.0 45.0 57.0 78.0 88.0 117 134
Crankcase Heater No No No No No No No
Factory External Discharge Muffler No No No No Yes No No
HS Kit Required with TXV
4
4. See Hard Start Kit Accessory Installation Manual for Hard Start Kit part number for each model.
Yes* Yes* Yes* Yes* Yes* No No
Fan Diameter Inches 18 18 18 18 22 22 22
Fan Motor
Rated HP 1/8 1/8 1/8 1/4 1/4 1/4 1/4
Rated Load Amps 0.80 0.80 0.80 1.50 1.30 1.30 1.30
Nominal RPM 1075 1075 1075 1100 850 850 850
Nominal CFM 1925 1950 2150 2575 2925 3225 3350
Coil
Face Area Sq. Ft. 8.26 9.78 11.07 12.37 12.22 13.83 17.37
Rows Deep 1111111
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)
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 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.
2 - 15 3 - 4 3 - 13 4 - 1 4 - 6 4 - 8 5 - 6
Charge Per Foot, Oz. 0.62 0.62 0.62 0.62 0.67 0.67 0.75
Operating Weight Lbs. 125 130 140 140 175 165 175
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
DIMENSIONS
Unit
Model
Dimensions
(Inches)
Refrigerant Connection
Service Valve Size
A B C Liquid Vapor
TC3B1821(H,S) 23-1/2 24 24
3/8
3/4
TC3B2421(H,S) 26-3/4 24 24
TC3B3021(H,S) 30 24 24
TC3B3621(H,S) 33-1/4 24 24
TC3B4221(H,S) 26-3/4 29-1/4 29-1/4
7/8
TC3B4821S 30 29-1/4 29-1/4
TC3B6021S
36-1/4 29-1/4 29-1/4
7/8
‡