GEA Grasso - Key Assignment

OPERATING INSTRUCTIONS
CO
2
/NH
3
CASCADE UNIT
250 - 1000 KW
_551511_om_kas_gbr_1_.doc 25
2.2.3.1 Key assignment
[Chapter 1.2.1. in user manual]
Key Function
Go to the menu item described
+
Back to previous display
Move to next display
+
Switch on the compressor unit, start enabled
Start 1st compressor (Press key for 5 sec. in operation mode ”Manual”)
Increase capacity of 1st compressor (in case of manual capacity control only)
Start 2nd compressor (Press key for 5 sec. in operation mode ”Manual”)
Increase capacity of 2nd compressor (in case of manual capacity control only)
without function
+
Call up display of actual values
Call up alarm signals
Lamp test
Switch off the compressor unit, start disabled
Stop 1st compressor (Press key for 5 sec. in operation mode ”Manual”)
Reduce capacity of 1st compressor (in case of manual capacity control only)
Stop 2nd compressor (Press key for 5 sec. in operation mode ”Manual”)
Reduce capacity of 2nd compressor (in case of manual capacity control only)
without function
+
Call up controls – settings
Call up operating mode setting