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PROBLEMS
SOLUTIONS
The unit does not operate and there is no display on the CPU card
*+ + *
D15
D16
CIAT
01350 CULOZ
FRENCH TRADEMARK
"
D
The fuse of the card is out of order (F1). Fuse located behind the
supply connector (J4).
Type of fuse => 5 x 20 1A delayed
D
The card is not supplied with electricity or the voltage is too low, check
the presence of 230V between J4.2 and J4.3.
D
Measure the voltages between ref. 0 and +5, then between 0 and +NR,
then contact your After Sales Department.
The CLIMBOX control does not work
D
Check that parameter P.04 is on 0 and that P.15 is on 1
D
Check that the AQUACIAT phase is connected to the ClimBox 2 phase
D
The lights D21 and D22 are indicators of communication with the Clim-
Box 2, check their state and contact the After-Sales department. (the dis-
play lights are off if there is no dialogue)
When starting one of the heating components, the card displays ”INIT”
D
The voltage drops too much when starting. Check the installation elec-
trical components supply cable section, circuit breaker, etc.)
%&" ' %&
"
Cooling test
Date
time
Suction pressure
Bar
Compressor
Suction temperature
°
C
Compressor
Condensing pressure
Bar
Condensing temperature
°
C
Gas inlet temperature
Bar
Exchange coil
Liquid outlet temperature
°
C
Exchange coil
Air inlet temperature
°
C
Air outlet temperature
°
C
Water inlet temperature
°
C
Plate heat
Water outlet temperature
°
C
Plate heat
exchanger
Liquid inlet temperature
°
C
Gas leaving temperature
°
C
Nominal voltage
V
Voltage at terminals
V
Current drawn by compressor
A
Current drawn by fan motor
A
Anti-frost activating temperature
(water brazed plates exchanger protection)
°
C
Check mechanical conditions : pipework...
Check tightness of electrical connections
Clean direct expansion coil
Check control settings
Water differential pressostat
(
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