CONFIDENTIAL - This document is the property of K.T.C. S.r.l. and cannot be reproduced or issued to third parties without written
authorization. K.T.C. shall safeguard its rights to the full extent of the law.
USER MANUAL AND INSTALLATION
COD. 091052 - REV. 07 - DATE 11/2016
Pag.27 di 45
7
FIRST START
First start of compressor (operational test)
After following all steps of assembly of the compressor shown in Chapter 4, you can proceed with
the operation of preparing the compressor for the first start.
ATTENTION!
In this compressor is NOT PRESENT a control device that ensures the correct
rotation of the screw
.
If the supply phases are correctly positioned the compressor will start as indicated on the arrow on
the body of the screw as shown in Figure 10. (
Check with motor fan
)
If the phases of the supply line are positioned INCORRECTLY, the inverse rotation
will damage the airend.
Swap the connections of two phases of power line and restart the compressor.
Figure 10
ATTENTION!
The reverse rotation of the screw from the direction of the arrow shown on the body
(see figure 10) may damage the screw!
ATTENTION!
In case of replacement of the electric motor, at the time of restart is absolutely
necessary to visually check the direction of rotation of the screw unit.
ATTENTION!
It's absolutely necessary to strictly follow the SAFETY PRECAUTIONS on the use
of the machine.