Champion R30D Operation Maintenance Manual & Parts List page 9

INSTALLATION (CONT'D)
ELECTRICAL POWER SUPPLY
It is essential that the power supply and the supply wiring are adequately sized and that the voltage
corresponds to the unit specifications. Branch circuit protection must be provided at installation as specified
in the National Electrical Code.
All wiring should be performed by a licensed electrician or electrical contractor. Wiring must meet
applicable codes for area of installation. The table gives recommended wire sizes based on the 1999
NEC.
Values in ( ) for Duplex Unit w/one incoming power line to both motors.
All models require a properly sized magnetic starter as specified in the National Electric Code (NEC).
See Figure 1-1 for simplex wiring diagram and Figure 1-2 for duplex wiring diagram.
If ordered with a factory mounted magnetic starter, compressor is wired at factory. It is necessary only to bring
lines from a properly sized disconnect switch to the magnetic starter mounted on the unit.
304CAS546-A
(Ref. Drawing)
Figure 1-1 Simplex Wiring Diagram
WIRE SIZE (AWG) - 75°C COPPER - 30°C AMBIENT
MOTOR
HP
200/208V
7-1/2 8 (6)
10 8 (4)
15 6 (2)
3 PHASE
230V 460V
10 (6) 14 (10)
8 (4) 12 (8)
6 (3) 10 (6)
312CAD546-B
(Ref. Drawing)
Figure 1-2 Duplex Wiring Diagram
9
575V
14 (10)
14 (10)
10 (8)