Installation - Elec Heating User guide
13
Figure 4. Wiring Diagram 18 kw, 1-Stage, 240 VAC
NOTES:
1. Circuit breakers may not be wired to heater kit by the factory, see Installation Instructions for wiring procedure.
2. If any of the original wire supplied with this unit must be replaced, it must be replaced with wiring material of the same
gauge size and temperture rating.
3. The installation of this heater kit may require a change in the blower speed. See Installation Instructions for details.
4. Use copper conductors with minimum temperature rating of 60C for supply connections.
Legend
Field Wiring
Factory Wiring:
Low Voltage
High Voltage
PLUG HOUSING, 6 PIN
SEQUENCER
PLUG HOUSING, 3 PIN
CAP HOUSING, 3 PIN
L1 T1
L2
L3
T2
T3
CONTACTORCIRCUIT
BREAKER
LIMITLIMIT
RED
BLACK
WHITE
GRAY
RED
WHITE
BLACK
BLACK
WHITE WHITE WHITE
BK W/WH
BK W/WH
RD W/BK
RD W/BK
YE W/BK
YE W/BK
BLACK
RED
YELLOW
BLACK
RED
YELLOW
L1
L2
L3
UNIT TERMINAL
BLOCK
GND
123
1
2
3
4
5
6
M1 M2
M3 M4
12
12
123
710099A