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To modify the wiring for an operating voltage of 208 V or 460 V, compressor main cubicle and transformer
dryer cubicle should be rewired as described below:
Required modifications in the compressor cubicle:
Step
1
2
3
4
5
6
7
To adjust the motor overload (FM1) setting, simply rotate the adjustment screw (1) on the front of the overload
relay to the required setting (see table below).
128
Action
Adjust the motor overload (FM1) setting.
Rewire the control transformer (T1).
Replace the control fuses (F1) with the 10.3 x 38 mm 2 A or 4 A fuses provided (see
further).
Modify the motor terminal bridge configuration in the main cubicle for the desired voltage.
Replace the voltage sticker by the appropriate voltage sticker provided.
On FF units, replace the power fuses (F10 in the main cubicle) with the CC type 6 A fuses
provided.
Modify the power transformer terminal bridge configuration in the transformer cubicle for
the desired voltage.
Instruction book
2920 7090 51
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