Emerson Dixell iProChill IPC115D Application Manual page 178

Support/boiler/anti-freeze
Support/boiler/anti-freeze
Pump/and water evaporator
and condenser
Compressors
Pump down solenoid valve
10.12 EVAPORATOR SIDE FLOW SWITCH ALARM (DIFFERENTIAL PRESSURE SWITCH)
Alarm code
Display in keyboard
Cause of activation
Reset
Reset
Icon
Action
Regulators
Alarm
Reverse valve
Recovery valve
Free-cooling on/off valve
Anti-freeze/Support/boiler
Auxiliary relay
Supply ventilation
Condensation ventilation
Evaporator water pump
Evaporator water pump
Condenser water pump
Compressors
Pump down solenoid valve
1592025050 iProChill v2.5 10D00 AG v1.3 GB 18.02.2016.docx
If air/air unit off otherwise follows its regulation
With DI alarm activated
They follow their regulation
Off
Off
AEFL (Evaporator side flow switch alarm)
Plant side flow AL
Detect DI configured as Evaporator flow switch (DI type=3).
If pumps are not managed (PA01=0), when DI active, alarm occur.
If pumps are managed and polarity check not required (AL20=1), after a delay
of AL16 from pump start-up, if DI keeps active for AL18, alarm occur.
If pumps are managed and polarity check required (AL20≠1), after a delay of
AL16 from pump start-up, if DI still keeps the same status as that when pump
not working for AL18, alarm occur.
DI not active. If pumps are managed, wait for time AL19 after DI deactivate.
Automatic – it becomes manual if this alarm active for time AL17 (reset
procedure in functions menu)
flashing
Alarm (DO type=162) + buzzer relays only activated if the flow switch alarm is
activated in normal working phase
Relay + buzzer only activated if the flow switch alarm is activated in normal
working phase
It follows its regulation
It follows its regulation
It follows its regulation
Off
It follows its regulation
Off
It follows its regulation
With PA1=1 always on; off when the alarm becomes manual reset
With PA1=2 follows its regulation; off when the alarm becomes manual reset
It follows its regulation
Off
Off
iProCHILL
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