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Johnson Controls Unitary Products 9
680210-YTG-B-0311
2. Heaters are 3 Phase.
TYPICAL APPLICATIONS
ACCESSORIES
Refer to Price Manual for specific model numbers where not
shown.
TXV Kits - TXV kits are available for “Flex-coil” applications and
converting R-22 to R-410A or as a service replacement. All kits
are bolt-on and require no brazing to install.
Electric Heaters - 6HK models shown under electrical data
include sequential operation and temperature dual limit
switches for safe, efficient operation. Circuit breakers are pro-
vided where shown.
LIMITATIONS
These units must be wired and installed in accordance with all
national and local safety codes.
Voltage limits are as follows:
Airflow must be within the minimum and maximum limits
approved for electric heat, evaporator coils and outdoor units.
Electrical Data - (For Single Source Power Supply) - Copper Wire - 208/230-3-60
Models
Heat Kit -
Three Phase
Heater
Amps
240V
Field Wiring
Min. Circuit Ampacity
Max. O.C.P.
1
Amps/Type
75°C Wire Size - AWG
208V 230V 208V 230V 208V 230V
AHE24B3XH21 6HK06501525 34.6 41.0 44.95 45 50 8 8
AHE30B3XH21 6HK06501525 34.6 41.0 44.95 45 50 8 8
AHE36C3XH21
6HK06501525 34.6 42.6 46.57 45 50 8 8
6HK16502025 46.2 55.2 60.47 60 70 6 4
AHE42D3XH21
6HK06501525 34.6 42.6 46.57 45 50 8 8
6HK16502025 46.2 55.2 60.47 60 70 6 4
AHE48D3XH21
6HK06501525 34.6 45.0 48.95 50 50 8 8
6HK16502025 46.2 57.6 62.84 60 70 6 4
AHE60D3XH21
6HK06501525 34.6 45.0 48.95 50 50 8 8
6HK16502025 46.2 57.6 62.84 60 70 6 4
6HK16502525 57.7 70.0 76.62 80 80 4 4
1. O.C.P. = Over Current Protection device, must be HACR type Circuit Breaker or Time Delay fuse.
Electrical Data - (For Multi-Source Power Supply) - Copper Wire - 208/230-3-60
Models
Heater
Model
Minimum Circuit Ampacity
Max. O.C.P.
1
Amps/Type
75°C Wire Size - AWG
Circuit
1st 2nd 1st 2nd 1st 2nd
208/230 208/230 208/230 208/230 208/230 208/230
AHE36C3XH21 6HK16502025 30.1/34.0 25/28.9 35/35 30/30 10/10 10/10
AHE42D3XH21 6HK16502025 30.1/34.0 25/28.9 35/35 30/30 10/10 10/10
AHE48D3XH21 6HK16502025 32.5/36.4 25/28.9 35/40 30/30 10/8 10/10
AHE60D3XH21
6HK16502025 32.5/36.4 25/28.9 35/40 30/30 10/8 10/10
6HK16502525 38.8/43.6 31.3/36.1 40/45 35/40 8/8 10/8
1. O.C.P. = Over Current Protection device, must be HACR type Circuit Breaker or Time Delay fuse.
UPFLOW
HORIZONTALRIGHT
HORIZONTALLEFT
HEAT
HEAT
HEAT
Air Handler Voltage Voltage code
1
Normal Operating
Voltage Range
1. Rated in accordance with ARI Standard 110, utilization range “A”.
208/230-1-60 06 187-253
Entering Air Temperature Limits
Wet Bulb Temp.°F Dry Bulb Temp. °F
Min. Max. Min. Max.
57 72 65 95