Page 74 - IOM / ROOF-TOP FLEXY™ Series
The safety system is immediately automatically locked out. In this case, manual
resetting is obligatory.
Faulty ventilation, condensor circuit 3 or 4..
The fan contactor is not connected although the CLIMATIC requests it.
The fan motor internal protection acts directly on the fan motor contactor. This
information is transmitted to the CLIMATIC via an auxiliary contact of the contactor.
If the CLIMATIC gives the order to operate to the fan and if the auxiliary contact is
still open 5 seconds later, the fan safety system is activated and stops the condensor
fan and the compressors concerned.
The safety system is immediately automatically setpoint. In this case, manual resetting
is obligatory.
Customer error
A fault has been detected, external to the unit.
Water leak
If the contact of the water leak detection card is closed for more than 30 seconds,
the safety system is activated.
WATER HEAT EXCHANGER OUTLET TEMPERATURE SAFETY SYSTEM.
Condensor Water Temperature Too Low
If the temperature of the water loop is less than or equal to the preset setpoint [C85]
during the operation of one of the compressors, the condensor safety mechanism is
applied. The compressors are stopped.
This safety mechanism automatically cuts out if the loop temperature exceeds 4°C
from this setpoint.
It is also automatically locked out after 3 failures within a day. In this case, manual
resetting is obligatory. The counter is reset to zero every evening at 20:00 if its value
does not exceed 3 failures.
Condensor Water Temperature Too High
the temperature of the water loop is greater than or equal to the preset setpoint
[C86] during the operation of one of the compressors, the condensor safety
mechanism is applied. The compressors are stopped.
This safety mechanism automatically cuts out if the loop temperature is less than
4°C from this setpoint.
It is also automaticallylocked out after 3 failures within a day. In this case, manual
resetting is obligatory. The counter is reset to zero every evening at 20:00 if its value
does not exceed 3 failures.
Faulty Water Flow
If the contact of the water flow controller is open for more than 20 seconds, the
condensor safety mechanism is applied. The compressors are stopped.
This safety mechanism automatically cuts out if the loop temperature is less than
4°C from this setpoint.
It is also automatically locked out after 3 failures within a day. In this case, manual
resetting is obligatory. The meter is reset to zero every evening at 20:00 if its value
does not exceed 3 failures.
Error: Smoke
If the contact closes due to the smoke detector card, the smoke safety mechanism
is activated. The unit is completely shut down and the fresh air louver is set to the
fresh air position.
This safety mechanism is automaticallylocked out. In this case, manual resetting is
obligatory.
SAFETY AND ERROR CODESSAFETY AND ERROR CODES
SAFETY AND ERROR CODESSAFETY AND ERROR CODES
SAFETY AND ERROR CODES
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