OPERATING INSTRUCTIONS
CO
2
/NH
3
CASCADE UNIT
250 - 1000 KW
24 _551511_om_kas_gbr_1_.doc
2.2.2 Lamps/ Push buttons
[Chapter 1.1.2. in user manual]
White indicator light (Running)
This indicator lamp flashes slowly when the compressor unit is in the “Ready“ state.
Yellow indicator light (Warning)
This lamp flashes if an operating condition reaches a preset value (Warning /Pre-alarm).
Red indicator light (Alarm)
This lamp flashes if an operating condition exceeds its permitted value, the machine shuts down on alarm.
Emergency Stop button
This red button can be used to switch the compressor unit off at any time in case of an emergency. The operator
terminal controls remain functional.
2.2.3 Operator terminal
[Chapter 1.2. in user manual]
The operator terminal is the interface between the operator and the control unit.
All switching, operating and control actions are carried out via this operator terminal.
fig. 22: GSC operator terminal
System LED’s
A
B Function keys
C soft keys
D CPU operating mode setting
E digital keybord
F cursor keys
G System keys
System keys LED‘s
H