Product Manual

Table Of Contents
Modifications to the compressor cubicle:
Step Action
1 Adjust the motor overload (FM1) setting.
2 Control transformer (T1) – Move the primary connection from 230V to the desired voltage.
3 Replace the control fuses (F1) 10.3 x 38mm with the ones provided (see further).
Use 1A fuses for 460V or 2A for 208V
On FF units, replace the power fuses (F4) with the CC type provided.
Use 6A for 460V, and 15A for 208V.
4 Modify the motor terminal bridge configuration in the cubicle (X2). See further for details.
5 Replace the voltage sticker by the appropriate voltage sticker provided.
6 Modify the transformer terminal (X5) wire configuration for the desired voltage.
Motor overload relay (FM1) setting:
Rotate the adjustment screw (1) on the front of the relay to the required value.
Adjustment screw of the motor overload
Motor overload (FM1) settings 7.5 kW 11 kW 15 kW
10 hp 15 hp 20 hp
208 V 36.3 48 33.2
230 V (Standard factory setting) 34.3 45 30
460 V 16.9 22.5 15
Control transformer (T1):
Move the wire to the terminal marked with the desired voltage (208 V, 230 V or 460 V).
Transformer T1
Fuses F1 – F4:
The fuses are supplied with the compressor.
Instruction book
48 2920 7191 00