ELECTRICAL REQUIREMENTS
Model Voltage kW
12 kW
240
18 kW
240
27 kW
240
A ground terminal (or a wire connector marked "G", "GR", "Ground", or "GROUNDING")
is provided within the enclosure. To reduce the risk of electric shock, connect this terminal or
connector to the grounding terminal of the electric service or supply panel with a continuous
copper wire in accordance with your local electrical code.
L1
(Black)
12 kW requires 1 double pole
breaker and 1 set of wires
18 kW requires 2 sets of double pole breakers and wires
27 kW requires 3 sets of double pole breakers and wires
Total
Required Wire Size
Amps
12
50
18
75
27
112.5
WIRING DIAGRAM
L2
L1
(Red)
(Black)
(CU) 75° C
8 AWG
8 AWG
8 AWG
L2
(Red)
8
Required minimum breaker
size (per NEC - Intermittent Duty)
1x50
2x40
3x40
L1
(Black)
L2
(Red)