RS.8D.M1.22 AK2-SC 255 Reference Manual 21
The fields and their contents are as follows:
No. of compressors (0 to 9)
Proof type (List box:) The means by which proof of compressor
operation is monitored.
None: No proof
OI: A digital input (on-off input) is used for proof.
CT: A current transformer is used for proof.
Bitzer: Proof is obtained from a Bitzer electronic
module.
Reset Bitzer with RO (List box: Yes, No) Whether or not Bitzer compres-
sors are reset by a digital output (relay output).
Compressor size (1 to 500) The capacity of the compressor.
No. of unloaders (0 to 4) The number of compressor unloader stages.
Unloader capacity % (1 field per unloader: 0-99) The percent of capacity
shed by the respective unloader.
Inverter control (List box:) Type of variable speed control.
None: No inverter control
VO: An inverter is controlled by an analog output
(variable output).
VLT: A Danfoss VLT adjustable frequency drive is
used.
Inverter min. speed (1.0 to 150.0) The minimum percentage of rated
speed at which the inverter will run the compressor.
Inverter max speed (1.0 to 150.0) The maximum percentage of rated
speed at which the inverter will run the compressor.
RPM at max speed (1 to 9999) The RPM that will be displayed at maxi-
mum percentage.
Inverter max resets (0 to 10) The number of resets after which the
inverter will be put in override.
Inverter proof delay (0-99) The number of seconds without proof that must
elapse before an inverter reset occurs.
Min time between resets (0 to 99) The number of seconds that must elapse
before second and subsequent inverter resets.
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