York AHR18B3XH21 Technical Manual page 7

1055361-BTG-D-0514
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ELECTRICAL DATA FOR MULTI-SOURCE POWER SUPPLY: 208/230-1-60
Air
Heater
Handlers
Models
Models
@240V
6HK16501306
AHR22B
6HK16501506
6HK16501306
AHR24B
6HK16501506
6HK16501306
AHR29C
AHR34C
6HK16501506
6HK16501306
AHR30B
AHR42C
6HK16501506
6HK16501306
6HK16501506
AHR36B
AHR48D
6HK16501806
6HK16502006
6HK16501306
6HK16501506
AHR60D 6HK16501806
6HK16502006
6HK16502506
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 SINGLE SOURCE POWER SUPPLY - 208/230-3-60
Air Handler Models
AHR18B
AHR24B
AHR30B
AHR42C
AHR36B
AHR48D
6HK16502025
AHR60D
6HK16502025
6HK16502525
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. The 20kW and 25kW heater models (6HK16502025 and 6HK16502525) come with circuit breakers standard. Single source power MCA and MOP requirements are
given here only for reference if used with field installed single point power modification.
Johnson Controls Unitary Products
Min. Circuit Ampacity
Total
208V
Heater
Amps
Circuit
3
2nd 3rd 1st
1st
52 21.2 37.6 – 24.4 43.3
60 22.8 43.3 – 27.8 50.0
52.0 20.6 37.6 – 23.4 43.3
60.0 23.5 43.3 – 26.8 50.0
52.0 21.3 37.6 – 24.5 43.3
60.0 24.2 43.3 – 27.9 50.0
52.0 22.6 37.6 – 25.4 43.3
60.0 25.5 43.3 – 28.8 50.0
52.0 22.6 37.6 – 25.4 43.3
60.0 25.5 43.3 – 28.8 50.0
72.0 42.8 39.0 – 48.8 45.0
80.0 47.1 43.3 – 53.8 50.0
52.0 22.6 37.6 – 25.4 43.3
60.0 25.5 43.3 – 28.8 50.0
72.0 42.8 39.0 – 48.8 45.0
80.0 47.1 43.3 – 53.8 50.0
100 47.1 43.3 21.7 53.8 50.0 25.0
Heater
Heater
Amps
Models
@ 240V
6HK06501025 23.1
6HK06501025 23.1
6HK06501525 34.6
6HK06501025 23.1
6HK06501525 34.6
6HK06501025 23.1
6HK06501525 34.6
6HK06501825 41.6
3
46.2
6HK06501025 23.1
6HK06501525 34.6
6HK06501825 41.6
3
46.2
3
57.7
MOP
230V 208V
Circuit
3 3
2nd 3rd 1st 2nd 3rd 1st
– 25 40 –
– 25 45 –
– 25 40 –
– 25 45 –
– 25 40 –
– 25 45 –
– 25 40 –
– 30 45 –
– 25 40 –
– 30 45 –
– 45 40 –
– 50 45 –
– 25 40 –
– 30 45 –
– 45 40 –
– 50 45 –
50 45 25
Min. Circuit Ampacity
208V 230V
26.8 30.7
26.8 30.7
39.2 45.0
28.8 32.7
41.2 47.0
28.8 32.7
41.2 47.0
48.8 55.8
53.8 61.5
28.8 32.7
41.2 47.0
48.8 55.8
53.8 61.5
66.3 75.9
1
Min. Wire Size (AWG)
230V 208V
3 3
2nd 3rd 1st 2nd 3rd 1st
25 45 – 10 8
30 50 – 10 8
25 45 – 10 8
30 50 – 10 8
25 45 – 10 8
30 50 – 10 8
30 45 – 10 8
30 50 – 10 8
30 45 – 10 8
30 50 – 10 8
50 45 – 8 8
60 50 – 8 8
30 45 – 10 8
30 50 – 10 8
50 45 – 8 8
60 50 – 8 8
60 50 25 6 6
Field Wiring
1
MOP Min. Wire Size (AWG)
208V 230V 208V
30 35
30 35
40 45
30 35
45 50
30 35
45 50
50 60
60 70
30 35
45 50
50 60
60 70
70 80
2
230V
Circuit
3
2nd 3rd
– 10 8 –
– 10 8 –
– 10 8 –
– 10 8 –
– 10 8 –
– 10 8 –
– 10 8 –
– 10 8 –
– 10 8 –
– 10 8 –
– 8 8 –
– 6 8 –
– 10 8 –
– 10 8 –
– 8 8 –
– 6 8 –
10 6 8 10
2
230V
10 10
10 10
8 8
10 8
8 8
10 8
8 8
8 6
6 6
10 8
8 8
8 6
6 6
4 4
7