Gardner Denver L160 110A V2, User Manual

Page: 36 / 72

6 Commissioning and operation
36 / 72 America January 2017
1
Place a suitable ladder next to the compressor
and climb up.
2
Check the direction of rotation.
The rotational direction arrow is visible through
the protective cover.
3
If the direction of rotation is incorrect: Switch off
the compressor.
4
Switch off the main disconnect switch.
5
Correct the direction of rotation. Change the
rotating field on the compressor.
Start-up temperature safety device
The compressor does not start up at ambient
temperatures less than + 2 °C / 36 °F.
6.2 Normal operation
Electronic controls
Fig. 6-4: Control panel
[1] Touchscreen Display
[2] Start button < I >
[3] Stop button < O >
[4] red LED
flashing slowly: Warning or maintenance
flashing rapidly: Fault
[5] yellow LED
flashing slowly: Maintenance necessary
[6] green LED
lit up permanentaly: System in operation
flashing: Sytem in standby
[7] Pushbutton <Emergency-stop>
DANGER
Risk of injury
When the compressor is in standby
mode, the green LED flashes, and the
compressor can start automatically at
any time.
➯
Do not perform any work on the
compressor when the green LED is
blinking.
Switching on
1
Press start button < I > on the control panel.
– The compressor switches on.
– The compressor runs automatically
(automatic mode). See the sequence
description in the "Sequence" section of the
chapter "Structure and function."
Operating states
During automatic mode, the compressor can be in
one of the following operating states:
Ready to start (Standby) [Ready to start]
Loaded operation [On-Load]
Partial load operation (on-load operation at
reduced speed only RS compressors ) [On-
Load]
Idle [Off-Load]
Observations during operations
During operation the compressor must be
regularly checked to ensure leak-tightness of
the oil circuit. With water-cooled systems, this
inspection is extended to the cooling water circuit.
Condensate Drain
The condensate drain on the aftercooler is
actuated via sensor control.
Switching off
1
Press stop button < O > on the control panel.
– The compressor continues running for 30
seconds (soft stop).
Emergency stop
The emergency stop button can be used to bring
the compressor to a safe condition in dangerous
situations.
Emergency stop buttons are mounted:
•
On the control panel of the compressor
•
Optionally in a pedestal (control console)
Using the emergency stop
1
Press the <E-stop> button.
The compressor is brought to a safe condition.
2 Correct the fault that was the reason for the
emergency stop.
See the “fault correction” chapter.