Installation - Elec Heating User guide
16
Figure 7. Wiring Diagram 18 kw, 1-Stage, 480 VAC
NOTES:
1. 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.
2. The installation of this heater kit may require a change in the blower speed. See Installation Instructions for details.
3. Use copper conductors with minimum temperature rating of 60C for supply connections.
Legend
Field Wiring
Factory Wiring:
Low Voltage
High Voltage
L1
L2
L3
UNIT TERMINAL
BLOCK
GND
L1 T1
L2
L3
T2
T3
CONTACTOR
PLUG HOUSING, 6 PIN
SEQUENCER
PLUG HOUSING, 3 PIN
CAP HOUSING, 3 PIN
LIMITLIMITLIMIT
WHITE
BLACK
BLACK
WHITEWHITE WHITE WHITERED
BLACK
WHITE
GRAY
RED
BK W/WH
BK W/WHBK W/WH
YE W/BK
YE W/BK
RD W/BK
RD W/BK
BK W/WHBK W/WH
BK W/WH
RD W/BK
YE W/BK
123
12
12
12
M1 M2
M3 M4
1
2
3
4
5
6
123
710101A