
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
Control panel
Description
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
For water-cooled versions: Open the water inlet and outlet valves (customer's
installation).
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.
For air-cooled versions: 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 1992 00
99
Summary of Contents for QED-1250
Page 2: ......
Page 6: ...8 2 AIR DRYER DATA 108 9 Pressure equipment directives 112 Instruction book 4 2920 1992 00 ...
Page 15: ...Position of components Air cooled dryer Water cooled dryer Instruction book 2920 1992 00 13 ...
Page 17: ...Connections Rear view of Air cooled dryer Instruction book 2920 1992 00 15 ...
Page 31: ...Electrical diagram air cooled QED 1800 ES870 Instruction book 2920 1992 00 29 ...
Page 32: ...Electrical diagram air cooled QED 2100 ES1010 Instruction book 30 2920 1992 00 ...
Page 36: ...Electric cubicle air cooled QED 2100 ES1010 380 V and 460 V Instruction book 34 2920 1992 00 ...
Page 86: ...Dimension drawing air cooled QED 1600 ES760 Instruction book 84 2920 1992 00 ...
Page 87: ...Dimension drawing air cooled QED 1800 ES870 Instruction book 2920 1992 00 85 ...
Page 88: ...Dimension drawing air cooled QED 2100 ES1010 Instruction book 86 2920 1992 00 ...
Page 89: ...Dimension drawing water cooled QED 1250 ES610 Instruction book 2920 1992 00 87 ...
Page 90: ...Dimension drawing water cooled QED 1600 ES760 Instruction book 88 2920 1992 00 ...
Page 91: ...Dimension drawing water cooled QED 1800 ES870 Instruction book 2920 1992 00 89 ...
Page 95: ...Installation proposal water cooled dryer Instruction book 2920 1992 00 93 ...
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