E - Electric Cabling - Chicago Pneumatic CPF 175 Instruction Manual

E - Electric cabling

Each CP is wired for a pre-determined voltage, i.e. 460 V.
NEVER OPERATE THE CP COMPRESSORS AT A VOL-
TAGE OTHER THAN THE ONE SHOWN ON THE
ELECTRICAL CABINET.
NOTE
Equipment with 230 V star-delta starting: in accordance with decree
69164 in application of act 601375, this setup can only be supplied
if expressly requested by the customer.
Consequently, in the event of a change in voltage by the electricity
supplyer, we will under no circumstance be liable for the cost of
the modification.
WARNING
The electric motors are only guaranteed if the voltage at the motor
terminals doesn't exceed 10% of nominal voltage. The CP input
wiring must correspond to the following table:
Reference conditions:
• 460V tri, 60 Hz
• TNC setting
• Ambient temperature: 106°F
• Installation in cable troughs in the open air
• Maximum length: 32.8 ft
• Type of cables to be used: Cu-PVC
SAFETY REGULATIONS
It should be remembered that safety regulations require :
• An earth socket to be used.
• A manual isolating switch, cutting all three phases ; this switch
must be clearly visible near the CP unit.
• The electric current must be cut whenever maintenance work is
carried out on the machine (except for pressurized oil change)
NOTE
For variable speed machines see Chapter 6.
11/2008
Page 10
Chicago Pneumatic Compressors
62 305 799 65