KGL Operating Manual – VS 3010 BS
2018-07-02
/
119 178
7.2 Service Mode
After selection of the pack controller
(menu 8), all compressors and fan outputs are reset step
Service Mode
by step.
Then all controller functions are inactive so that each digital and analogue output can be set manually. The
controller registers the
by the entry of a message in the log memory. Forwarding is performed
Service Mode
according to priority selection.
In the
the switching commands to the relays or the specifications to the analogue
service mode
outputs (voltage 0..10 V or current 4..20 mA) are performed immediately!
The digital and analogue inputs (motor overload cut-out, oil pressure difference switch, pressure
transmitter etc.) are not taken into account.
7.3 Display of the operating states
Some rows of the display have additional symbols for the operating states of the system before the measured
value. The following additional symbols are displayed.
Display of the suction pressure trend:
Shows whether compressor capacity stages should be loaded, unloaded or not switched after expiry of
the delay times.
t 0_Actual X -20 °C
LP_Actual X 2.34 b
↓
+ Compressor capacity stages are loaded.
= No switching of compressor capacity stages will be performed. LP_Actual in neutral zone.
- Compressor capacity stages will be unloaded.
Note: NZ/2 only with step control
Display of the high-pressure trend:
Shows whether fan capacity stages should be loaded, unloaded or not switched after expiry of the delay
times.
tc_Actual X 30 °C
HP_Actual X 15.45 b
↓
+ Fan capacity stages will be loaded.
= No switching of fan capacity stages will be performed. HP_Actual in neutral zone.
- Fan capacity stages will be unloaded.
