User manual

1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009
Pg.64/114
39 MESSAGES - ALARM CODES
the alarm codes are defined by letters and numbers:.
Alarm typology:
• A = alarm of the unit
• b = alarm of the circuit
• C = alarm of the compressor
39.1 AP1 - AP2 - AP3 - AP4 - AP5 - AP6 - AP7 - AP8 PROBE FAILURE
Label on the display AP1 = PB1 probe alarm…AP6 = PB6 regulator probe alarm
AP7 keyboard N° 1 probe alarm
AP8 keyboard N° 2 probe alarm
Reason
Probe configured but the read-out is not in the range
Reset
Probe not configured or probe in the right range
Restart
Automatic
Icon
blinking
Action
Alarm Relay + and buzzer on
39.2 AEFL: EVAPORATOR FLOW ALARM (DIFFERENTIAL PRESSURE SWITCH)
Label on the display
AEFL evaporator flow alarm
Origin
Digital input active for the time set in AL22.
The alarm is not detected for AL20 time starting from water pump activation
Reset
Digital input not active for AL23 time
Restart Automatic if the digital input is active for less time than AL21 (AL21 starts when AL22 time is
expired)
Manual if the digital input is active for more time than AL21 (Reset procedure in Menu function).
Icon
Blinking
Action
Alarm Relay + and buzzer on only during normal running conditions.
39.3 ACFL: CONDENSER FLOW ALARM (DIFFERENTIAL PRESSURE SWITCH)
Label on the display
ACFL condenser flow alarm
Origin
Digital input active for the time set in AL18.
The alarm is not detected for AL16 time starting from water pump activation
Reset
Digital input not active for the time AL19.
Restart Automatic if the digital input is active for less time than AL17 (AL17 starts when AL18 time is
expired)
Manual if the digital input is active for more time than AL17 (Reset procedure in Menu function).
Icon
Blinking
Action
Alarm Relay + and buzzer on only during normal running conditions.
ATTENTION
The alarm relay and the buzzer are activated only if the alarm appears during normal running conditions.
NOTE ABOUT THE FLOW ALARM
CO15 / CO20=0 Water pump not enabled.
The alarm is managed only if one digital input is configured as flow switch, the restart is always automatic.
CO15 / CO20=1/3/4/6 Water pump with continuous control.
The alarm is managed only if one digital input is configured as flow switch, the restart is always automatic in stand–by or remote
OFF ( pump off); it becomes manual after AL17/AL21 time.
In chiller or heat pump only. During the functioning of the unit any flow alarm stop the loads described in the table, the water pump
follow its regulation algorithm and is turned off after AL17/AL21 time.
CO15 / CO20=2/5 Compressor on – pump on
The alarm is managed only if one digital input is configured as flow switch, the restart is always automatic in stand–by or remote
OFF ( pump off); it becomes manual after AL17/AL21 time.
During the functioning of the unit any flow alarm stop the loads described in the table, the water pump follow its regulation algorithm and
is turned off, after AL17/AL21 time it is completely locked.
MANUAL RESTART OF THE FLOW ALARM
After AL17/AL21 time it is necessary to enter the function Menu to reset the alarm itself. The alarm message DOES NOT DISAPPEAR if
the alarm condition is still on.
AL16/AL20 Alarm flow delay after on pump.
When the water pump starts, the alarm is not detected for AL16/AL20 time.