EQKC COMBI COOLER
FläktGroup
DC_8931GB 20180202_R0
We reserve the right to make changes without prior notice
Installation and maintenance instructions
12
OPERATIONAL AND ALARM INFORMATION
Display message Explanation
* 3-Fase Alarm *
Alarm from the phase break relay,
phase sequence fault relay
* Low Water Flow *
Water flow in the brine circuit too
low.
* Cooler stopped *
(Interlocked)
Cooler and CP51 interlocked by the
fan/outdoor temperature sensor.*
* Start up delay *
Wait (s) 120
Start delay 2 minutes so the unit
damper has time to open.
1=Alarm Q1 / Term.
KM1’s Motor protection or
Thermistor has tripped.
2=Alarm Q2 / Term.
KM2’s Motor protection or
Thermistor has tripped.
1=Alarm HP push
ESC
KM1’s High pressure switch 1
has tripped.
2=Alarm HP push
ESC
KM2’s High pressure switch 2
has tripped.
1=Alarm Low press.
KM1’s Low pressure switch
has tripped.
2=Alarm Low
Press.
KM2’s Low pressure switch
has tripped.
1=WaterTemp
Alarm
Ouput Temp. circuit 1 is less
than 3 °C. Reset the alarm relay
2=WaterTemp
Alarm
Ouput Temp. circuit 2 is less
than 3 °C. Reset the alarm relay
1=WatTemp Stop
300
KM1 stopped for 5 min. if the temp.
in circuit 1 is less than 4 °C.
2=WatTemp Stop
300
KM2 stopped for 5 min. if the temp.
in circuit 2 is less than 4 °C.
1=Capacity Alarm
KM1’s Capacity switch has tripped.
Alarm locked for 1 min.
2=Capacity Alarm KM2’s Capacity switch has tripped.
1=Capac. Stop :600 KM1 stopped for 10 min.
2=Capac. Stop :600 KM2 stopped for 10 min.
1=Blocked (s) :180
Stage 1 blocked for 3 mins. during
down regulation from stage 3.
2=Blocked (s) :180
Stage 2 blocked for 3 mins. during
down regulation from stage 3.
1=Wait (s) :300
Start delay of stage 1 for 5 min.
2=Wait (s) :300
Start delay of stage 2 for 5 min.
3=Wait (s) :300
Start delay of stage 3 for 5 min.
1=Run
KM1 in operation.
2=Run
KM2 in operation.
* An external start signal to the cooling unit also starts/
stops CP52. When stopping, the pump runs for a further
2 minutes before it stops. The pump is also exercised
daily between 12:00-12:02.
