York HA090 Technical Manual page 41

TABLE 16: HEAT PUMP WITH ELECTRIC HEAT
Nominal
Heater
Power Supply
2
KW
10
16
26
36
1
Unit with an electric heat accessory will always be wired for a single power supply.
2
Refer to the Heating Capacity table for the actual KW and MBH ratings of each heater at the different voltages.
3
Inverse time circuit breakers may be used in lieu of dual element, time delay fuses.
4
Based on three, insulated copper conductors in steel conduit: 60ºC wire when the total unit ampacity is below 100 amps; 75ºC
wire when the total unit ampacity is 100 amps and above.
18
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1
Heater
FLA
208-3-60 20.8
230-3-60 24.1
460-3-60 12.0
208-3-60 33.4
230-3-60 38.5
460-3-60 19.2
208-3-60 54.2
230-3-60 62.5
460-3-60 31.3
208-3-60 75.1
230-3-60 86.6
460-3-60 43.3
Max, Fuse
Total Unit
Ampacity
AMPS
FA090
31.3
35.1
17.6
46.9
53.1
26.7
73
83.2
41.7
99
113.3
56.7
Page 41
036-21371-001-B-0203
Min. Wire
3 4
Size, Size,
AMPS AWG
35 8
40 8
20 12
50 8
60 6
30 10
80 4
90 4
45 8
110 3
125 2
60 6
Unitary Products Group