Danfoss ADAP-KOOL AK-PC 781, Руководство пользователя, Страница: 6 / 14

6 Menu operation RC8CE202 © Danfoss 03/2013 AK-PC 781 Version 4.1x
Setpoint °C Setting of required suction pressure in °C
Min.Reference °C Min. permissible suction pressure reference
Max.Reference °C Max. permissible suction pressure reference
Night offset K Displacement value for suction pressure in connection with an active night
setback signal (set in Kelvin)
++Zone delay s Time delay between step cut-ins in the regulation band over the “+Zone band”
Set in seconds
+Zone delay s Time delay between step cut-ins in the regulation band over the neutral zone
Set in seconds
+Zone band K Regulation band over the neutral zone
Neutral zone K Neutral zone for suction pressure
-Zone band K Regulation band under the neutral zone
-Zone delay s Time delay between step cut-outs in the regulation band under the neutral zone
Set in seconds
--Zone delay s Time delay between step cut-outs in the regulation band under the “-Zone band”
Set in seconds.
Kp Po Ampliflication factor for P0 regulation
VSD Min. speed Hz Minimum allowed speed before stop of Variable Speed drive (Low load condition)
VSD Start speed Hz Minimum speed for start of Variable speed drive (Must be set higher than
“VSD Min. Speed Hz”)
VSD Max. speed Hz Highest permissible speed for the compressor motor
Sd max. limit °C Alarm at too high Sd
Sd comp. alarm delay Time delay for Sd alarm
P0 min. limit °C Alarm at too low P0
P0 max. alarm °C Alarm at too high P0
P0 max. delay m Time delay for P0 alarm
SH min. alarm K Alarm at too low superheat
SH max. alarm K Alarm at too high superheat
SH alarm delay m Time delay for SH alarm
Load shed limit 1 Set max capacity limit for load shed input 1
Load shed limit 2 Set max capacity limit for load shed input 2
MT release delay s Time delay on output signal ”Comp. release” on MT controller
MT request delay s Time delay on input signal for ”Comp. request” on MT controller
LT request delay s Time delay on output signal ”Comp. request” on LT controller
LT release delay s Time delay on input signal for ”Comp. release” on LT controller
Po pump down Select if a pump down function on the last compressor is requested
Po pump down limit °C Set the actual pump down limit for the last compressor
Initial start time The time after start-up where the cut-in capacity is limited to the first compressor step.
Safety restart time Time delay before restart of compressors
Suction compressor status
Measurements AK error When “ON”, the controller is in alarm condition.
Comp. ctrl. temp °C Actual temperature for control sensor (Po or S4)
Comp. ctrl. ref. °C Actual reference temp. for compressor capacity
(incl. external reference signal, if any)
Compressor cap. % Cut-in compressor capacity in % (of total capacity)
Request Comp. Cap % Reference for compressor capacity (deviations may be due to time delays)
P0 °C Suction pressure in °C. (Measured with the pressure transmitter)
Ss Suction gas °C Actual suction gas temperature
Cond. ctrl. temp °C Actual temperature for control sensor (Pc or S7)
Cond. ctrl. ref. °C Actual reference temp. for condenser capacity
(incl. external contributions, if any)
Cond. cap. % Cut-in condenser capacity in % (of total capacity)
Request Cond. cap % Reference for condenser capacity
Pc Bar Condensing pressure (measured with the pressure transmitter)
Tc °C Condensing pressure in °C. (measured with the pressure transmitter)
Gc status Actual gas cooler operation:
0=Off. 1=Standby. 2=Max COP operation. 3=Heat recovery. 4=Extra capacity.
5=Manual control.
Pgc Bar Actual gas cooler pressure