User manual

1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009
39.34 C1TR - C2TR COMPRESSOR OVERLOAD ALARM
Label on the display C1tr (Compressor #1 overload alarm) -…C2tr (Compressor #1 overload alarm 2)
Origin
With active digital input
The alarm is not detected for AL24 time delay after the compressor activation
Reset
When the digital input is not active
Restart
Manual after AL25 events/hour, to reset the alarm enter the function menu under cOtr
Icon
Blinking
Action
Alarm relay + buzzer ON
Compressor involved
If AL27=0 or 1: OFF
Compressor not involved
If AL27=0: it follows its regulation. If AL27=1: OFF
ATTENTION
The parameter AL27 determines the functioning of the overload alarm of the compressors.
If AL27 = 0 single compressor locked when its digital input protection is active, on the display the corresponding alarm message.
If AL27 = 1 all the circuit of the compressor is locked when one digital input protection is active, on the display the corresponding alarm
message.
39.35 B1DF – B2DF DEFROST ALARM
Label on the display b1dF (Defrost alarm of the circuit #1)
b2dF (Defrost alarm of the circuit #2)
Origin Only in defrost if dF01 = 1,3 (defrost by temperature/pressure or external contact): when the
defrost ends after the DF05 timeout.
Reset
 Stand - by or remote ON-OFF
 Next defrost ends for temperature/pressure
Restart
Automatic if next defrost ends for temperature/pressure, otherwise manual.
Icon
Blinking
Action
Alarm relay + buzzer OFF
39.36 B1CU – B2CU UNLOADING: HIGH CONDENSING TEMPERATURE / PRESSURE IN
CHILLER
Label on the display b1CU (unloading high temperature from condenser of the circuit # 1)
b2CU (unloading high temperature from condenser of the circuit # 2)
Origin
When the temperature/pressure of condenser probe control is higher then CO41
Reset
 When the temperature/pressure of the condenser probe is lower than CO41 – CO42
 maximum unloading working time CO45
Restart
Automatic
Icon
Action
Alarm relay + buzzer OFF
39.37 B1CU – B2CU: UNLOADING: LOW CONDENSING TEMPERATURE / PRESSURE IN HEAT
PUMP
Label on the display b1CU (unloading message from condenser #1)
b2CU (unloading message from condenser #2)
Origin During normal running condition when the temperature/pressure of evaporator/condenser probe is
lower than < CO43 setpoint
Reset  when the temperature/pressure of evaporator/condenser probe value is higher than CO43 +
CO44
 maximum unloading working time CO45
Restart
Automatic
Icon
Action
Alarm relay + buzzer OFF