
ALARM
If an alarm occurs, LED
shines red.
When one or more alarms are active, this is indicated
according to the following table. If more than one alarm
is active, the one with the highest priority is displayed.
LED indication
Cause / Action
The rotor is blocked. Wait or
release the rotor shaft.
Supply voltage too low.
Check the supply voltage.
Electrical fault. Check the
supply voltage or replace
the circulation pump.
Outline diagram
EXPLANATION
Heat pump
EB100
PCS 44
EP44
AXC module
AA25
Flow temperature sensor, cooling
BT64
Return line sensor, cooling
BT65
Circulation pump, cooling
GP10
Cooling shunt
QN18
Non-return valve
RM1
Designations in component locations according to
standard IEC 81346-1 and 81346-2.
-RM1
-AA25
-BT65
A
B
AB
-BT64 -QN18
-EB100
-EP44
-GP10
PCS 44 F-series | GB
84
F