Technical data

1592022750 Quick reference guide IC 200CX Rel. 1.1 25/05/2009
Pag. 26/58
Pg.26/58
12 TABLE OF THE OUTPUT STATUS IN ALARM CONDITION
The alarm codes are made of letters and numbers to define the different typologies:.
12.1 ALARM: “A” TYPE AND STATUS OF THE LOADS IN CASE OF ALARM
Alarm Code Alarm description Compressor Anti
freeze
heaters
Boiler
Support
heaters
Evap.
Pump.
Supply
fan
Condenser
Pump
Ventilaz.
cond.
Cir1 Cir2
Auxiliary
relay
ALti
Low air temperature of the evaporator inlet
(air / air unit) Alarm
AEFL
Evaporator flow alarm
Yes
Yes
(boiler)
Yes (3)
Yes
ACFL
Condenser flow alarm Yes
Yes (3)
Yes
AtSF
Fan supply overload alarm Yes Yes Yes Yes
AEUn
Unloading signalling from high temp of.
evaporator water
AELt
Low temperature of the evaporator inlet in
Heat Pump mode
Yes
Aedt
Differential temperature alarm (between
temperature inlet and outlet)
Yes
AtE1
Water pump overload alarm evaporator 1
Yes (4)
Yes
(boiler)
(5)
Yes Yes
AtE2
Water pump overload alarm support
evaporator 2
Yes (4)
Yes
(boiler)
Yes Yes