Connecting the dryer transformer (option T2) for models equipped with a refrigerated dryer only
Power for the refrigeration dryer (if one is present) is provided by a transformer.
The pimary winding of the dryer transformer is not connected. The refrigerated dryer will not run
without connecting the control transformer according to the power supply.
Do only use terminal 0V—208V—230V—460V (primary side of the transformer) for changing
the main voltage connection. Do not change the terminal 0V—230V. This terminal is readily
wired.
➤ Open the control cabinet and connect the transformer in accordance with the electrical dia‐
gram.
6.6 Options
6.6.1 Option H1
Anchoring the machine
➤ Use appropriate fixing bolts to anchor the machine.
Further information Details of the fixing holes are contained in the dimensional drawing in chapter 13.3.
6.6.2 Option W1
Connecting the external heat recovery system
An unsuitable heat exchanger or incorrect installation may influence the cooling oil circuit
within the compressor. Damage to the machine will follow.
➤ Consult KAESER on a suitable heat exchanger and have an authorized KAESER service rep‐
resentative do the installation.
6
Installation
6.6
Options
9_5875 33 USE
Operator Manual Screw Compressor
SM Tri-Voltage, SIGMA CONTROL 2
39