Section III - Installation
Quincy Compressor
15
8. Compressor cooling air inlet
9. Refrigerant dryer cooling air inlet
10. Connect condensate drain outlet to a sewer. It is recommended to provide a
funnel to allow visual inspection of the condensate flow. If the condensate piping
has been led outside the compressor room where it may be exposed to freezing
temperatures, the piping must be insulated. The condensate drain pipe from the
compressor to the sewer must not dip into the water of the sewer.
11. All piping to be connected free of stress.
Electrical connections
Attention
WARNING!
The electrical installation must correspond to the applicable codes. The mains supply
and earthing lines must be of suitable size.
The installation must be earthed and protected by fuses in each phase. Install an
isolating switch near the compressor.
Make sure that this switch is open to isolate the compressor from the mains before
carrying out any connection.
Supply cable
Consult section Cable size for the section of the power supply cable.
An electric cable is provided on the unit. Fit a suitable plug on the cable.
Plug in the cable.
Three voltage units
The compressors leave the factory wired for 230 V. If the compressor is to be used on
460 V, rewire the motor as follows:
1. Take all necessary precautions.
2. Change the connection in the motor terminal box according following instructions:
• For QOF 3 and QOF 5: