USER MANUAL – Release 1.2 of 01/01/2010 Page 168 of 191
57.17 CIRCUIT BREAKER ALARM
C1tr (compressor n° 1 circuit breaker alarm) -…C16tr (compressor n° 16
circuit breaker alarm)
The alarm is not detected for AL27 on compressor switch-on
With ID active
The alarm is not detected with compressor off if AL30=0
Manual. If more than AL28 compressor interventions occur per hour. Enter the
functions menu to reset the alarm (see procedure in cOtr function functions
menu)
Alarm relay + buzzer activated
it follows its regulation
it follows its regulation
Free-cooling on/off valve
it follows its regulation
It follows its regulation
It follows its regulation
It follows its regulation
It follows its regulation
Support/boiler/anti-freeze
It follows/they follow its/their regulation
Pump/and water evaporator
and condenser
It follows its regulation
If Par. AL29 = 0 following their regulation
If Par. AL29 = 1 off
It switches-off if there is only 1 compressor per circuit, otherwise it follows its
regulation
AL27 Compressor 1 - 6 circuit breaker alarm delay on start-up
Allows to set a delay time when recognising the circuit breaker alarm on compressor start-up.
AL28 Maximum number of compressor 1 - 6 circuit breaker interventions per hour
It determines a maximum number of compressor circuit breaker alarm interventions per hour. When these
are exceeded the alarm passes from automatic to manual reset.
AL29 compressor circuit breaker alarm working
1= the compressor circuit breaker alarm only blocks the compressor of interest
2= the compressor circuit breaker alarm blocks the compressor of interest and all compressors present in
that circuit
SEE RESET PROCEDURE IN COMPRESSOR 1 - 6 CIRCUIT BREAKER FUNCTIONS MENU AFTER
AL28 INTERVENTIONS PER HOUR
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