Electrical Power Supply - Ingersoll Rand CCE10 Manuel De Maintenance

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.
COPPER CONDUCTOR - 75°C TEMP. RATING - 30° AMBIENT
MOTOR
HP 200/208V
1 14 (14)
3 14 (10)
5 10 ( 8)
Valves in ( ) for duplex unit with 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.
WIRE SIZE (AWG)
3 PHASE
230V 460V
14 (14) 14 (14)
14 (12) 14 (14)
12 ( 8) 14 (12)
300CHS546-A
(Ref. Drawing)
Figure 1-1 Simplex Wiring Diagram
IF3266 Rev A Page 9
1 PHASE
575V 115V 208V
14 (14) 10 ( 8) 14 (10)
14 (14) 8 ( 4) 10 ( 8)
14 (12) -----
230V
14 (12)
10 ( 8)
8 ( 6) 8 ( 6)
301CHS546-A
(Ref. Drawing)