MODEL
WATTS
AMPS
VOLTAGE
PH
WIRE SIZE
breaker to load
load center to contactor
contactor to heater
center
HCT
105-1
10 000
41.7
240
1
#6 copper
(4) #10 copper
(4) #10 copper
HCT
120-1
12 600
52.7
240
1
#6 copper
(4) #10 copper
(4) #10 copper
HCT
144-1
14 800
61.7
240
1
#4 copper
(4) #8 copper
(4) #8 copper
breaker to contactor
contactor to heater
HCT
105-3
9 800
27.3
208
HCT
120-3
12 300
34.1
208
HCT
144-3
14 400
40.0
208
Table 1.
2
3
4
5
6
GND L 1
L 1
L2 L2 A 1 A2
3
#8 copper
3
#8 copper
3
#8 copper
Overheating limiter
Sensor
Figure 9. Electrical connections of 240 V 1-phase
heaters (
HCT105-1, HCT120-1, HCT144-1)
#8 copper
#8 copper
#8 copper
2
3
4
5
6
GND L 1
L2 L3 A 1 A2
Overheating limiter
Sensor
Figure 10. Electrical connections of 208 V 3-phase
heaters (
HCT105-3, HCT120-3, HCT144-3)
7
81205_NC