Instruction Book
9828 0934 73
101
5
Operating instructions
5.1 Warnings
Safety precautions
The operator must apply all relevant safety precautions, including those mentioned in this manual.
Altitude operation
Consult your supplier if operating above 3000 m (9843 ft).
5.2 Initial start-up
Procedure for regulator as shown
Step
Action
1
At least 10 minutes before starting, the main supply to the dryer must be switched on to
initialize the regulator and flow switch.
2
Press start button (14).
•
Three-phase fix speed units are provided with a phase sequence relay. When the
dryer compressor motor does not start, switch off the voltage and reverse two
incoming electric lines.
Check the rotation direction of the fan motor(s). The correct rotation direction is indicated
by an arrow next to each fan. If incorrect, switch off the voltage and reverse two of the
three phase connections.
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