Technical Guide
8 Johnson Controls Unitary Products
1169507-YTG-A-1114
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 con-
verting 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, effi-
cient operation. Circuit breakers are provided 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 MULTI-SOURCE POWER SUPPLY: 208/230-1-60
Air
Handlers
Models
Heater
Models
Total
Heater
Amps
@240
V
Min. Circuit Ampacity
MOP
1
Min. Wire Size (AWG)
2
208V 230V 208V 230V 208V 230V
Circuit Circuit Circuit
1st
3
2nd 3rd
1st
3
2nd 3rd
1st
3
2nd 3rd
1st
3
2nd 3rd
1st
3
2nd 3rd
1st
3
2nd 3rd
AHV24B
AHV30B
6HK16501306 52.0 22.2 37.6 – 24.6 43.3 – 25 40 – 25 45 – 10 8 – 10 8 –
6HK16501506 60.0 25.1 43.3 – 27.9 50.0 – 30 45 – 30 50 – 10 8 – 10 8 –
AHV36C
AHV42D
6HK16501306 52.0 23.3 37.6 – 25.7 43.3 – 25 40 – 30 45 – 10 8 – 10 8 –
6HK16501506 60.0 26.2 43.3 – 29.0 50.0 – 30 45 – 30 50 – 10 8 – 10 8 –
6HK16501806 72.0 43.5 39.0 – 49.0 45.0 – 45 40 – 50 45 –88–88–
6HK16502006 80.0 47.8 43.3 – 54.0 50.0 – 50 45 – 60 50 –88–68–
AHV48D
6HK16501306 52.0 25.4 37.6 – 27.8 43.3 – 30 40 – 30 45 – 10 8 – 10 8 –
6HK16501506 60.0 28.3 43.3 – 31.1 50.0 – 30 45 – 35 50 – 10 8–88–
6HK16501806 72.0 45.6 39.0 – 51.1 45.0 – 50 40 – 60 45 –88–68–
6HK16502006 80.0 49.9 43.3 – 56.1 50.0 – 50 45 – 60 50 –88–68–
AHV60D
6HK16501306 52.0 25.4 37.6 – 27.8 43.3 – 30 40 – 30 45 – 10 8 – 10 8 –
6HK16501506 60.0 28.3 43.3 – 31.1 50.0 – 30 45 – 35 50 – 10 8–88–
6HK16501806 72.0 45.6 39.0 – 51.1 45.0 – 50 40 – 60 45 –88–68–
6HK16502006 80.0 49.9 43.3 – 56.1 50.0 – 50 45 – 60 50 –88–68–
6HK16502506 100.0 49.9 43.3 21.7 56.1 50.0 25.0 50 45 25 60 50 25 8 8 10 6 8 10
1. MOP = Maximum Overcurrent Protection device; must be HACR type circuit breaker or time delay fuse.
2. Stated sizes are for 75°C, copper wire only. If wire other than non-plated, 75°C ambient, copper wire is used, consult applicable tables of the NEC and local codes.
3. 1st Circuit includes the blower motor amps.
ELECTRICAL DATA FOR MULTI-SOURCE POWER SUPPLY: 208/230-3-60
Air Handler
Models
Heater
Models
Total Heater
Amps
@ 240V
Min. Circuit Ampacity
MOP
1
Min. Wire Size (AWG)
2
208V 230V 208V 230V 208V 230V
Circuit Circuit Circuit
1st
3
2nd
1st
3
2nd
1st
3
2nd
1st
3
2nd
1st
3
2nd
1st
3
2nd
AHV36C
AHV42D
6HK16502025 46.2 29.5 25.0 32.9 28.9 30 25 35 30 10 10 8 10
AHV48D 6HK16502025 46.2 31.7 25.0 35.0 28.9 35 25 35 30 8 10 8 10
AHV60D
6HK16502025 46.2 31.7 25.0 35.0 28.9 35 25 35 30 8 10 8 10
6HK16502525 57.7 37.9 31.3 42.2 36.1 40 35 45 40 8888
1. MOP = Maximum Overcurrent Protection device; must be HACR type circuit breaker or time delay fuse.
2. Stated sizes are for 75°C, copper wire only. If wire other than non-plated, 75°C ambient, copper wire is used, consult applicable tables of the NEC and local codes.
3. 1st Circuit includes the fan motor.
UPFLOW
HORIZONTAL RIGHT
HORIZONTAL LEFT
HEAT
HEAT
HEAT
DOWNFLOW
HEAT
Air Handler Voltage
1
Normal Operating Voltage
Range
1. Rated in accordance with ARI Standard 110, utilization range “A”.
208/230-1-60 187-253