Carel FLSTDMFC0A, Manual

Page: 34 / 56

FLSTDMFC0A pCO² refrigeration system
cod. Carel +030221991 rel. 1.0 dated 27/07/01
28
This screen is displayed only if Proportional band control is set for the compressors
Type of control: (P) Proportional or (P+I) Proportional plus integral.
If P+I is used, the integration time needs to be set
Compressor start mode (see paragraph 3.3)
CppCppCpp= switch on one compressor completely at a time
CCCppppppp= first all the compressors then all the capacity-control steps
Compressor stop mode (see paragraph 3.3)
ppCppCppC= switch off one compressor completely before moving to the following comp.
ppppppCCC= switch off all the capacity-control steps, then the compressors;
configures whether the capacity-control step solenoids are:
normally energised (NORMALLY CLOSED)
normally de-energised (NORMALLY OPEN)
Sets the minimum opening threshold for the inverter configured
the screen is displayed only if the inverters are enabled
In the event of a probe b1 (inlet) broken or not connected alarm (AL38),
forces a number of compressors on (controlled in any case by the individual alarms
and by the general pressure switches)
Enable FIFO rotation (first on - first off)
for the fans
Type of control used for fan management:
Proportional band or Dead zone
In the event of a probe b2 (outlet) broken or not connected alarm (AL38),
forces a number of fans on (controlled in any case by the individual alarms
and by the general pressure switches)
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These parameters are displayed only if dead zone control is set for the compressors
Time between compressor start requests
Time between compressor stop requests
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