Quincy Compressor QED 650, Instruction And Maintenance Manual, Page: 86 / 99

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
Procedure for
controller
as shown
Step Action
1 At least 10 minutes before starting, the main supply to the dryer must be switched on to
initialize the
controller
and flow switch.
2 Press start button (14).
• Three-phase 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.
Instruction book
2920 1818 00 85