IOM / ROOF-TOP FLEXY™ Series - Page 73
Faulty Pump
The internal protection of the water pump motor acts directly on the pump contactor. This
information is transmitted to the CLIMATIC via an auxiliary contact of the contactor.
If the CLIMATIC gives the pump the order to operate and if 5 seconds later the auxiliary
contact remains open, the safety system is activated and stops the pump.
The safety system is immediately automatically locked out. In this case, manual resetting is
obligatory.
Note: This error is also displayed in the event of a "shunt" of the auxiliary contact of the
contactor.
Sensor Status
Room temperature sensor missing or faulty.
Room relative humidity sensor missing or faulty
Outside air temperature sensor faulty
Outside relative humidity sensor faulty
Supply Air temperature sensor faulty
Temperature sensor on cold water loop faulty
Temperature sensor on condensor water outlet faulty.
NOTE :
Missing or faulty room, supply air or outside air temperature sensors can affect the
overall control system. A safety device will be activated and all equipment except for
the ventilation will cut out. Failure of the other sensors will only stop the equipment
involved.
Faulty inter card link
The inter card link is faulty or missing.
Faulty blower fan
The fan contactor is not connected although the CLIMATIC requests it.
- The thermostat fire safety mechanism, or the fire insertion, is open.
- The internal protection of the blower fan motor is open.
The fire detector and the fan motor internal protection act 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 unit.
The safety system is immediately automatically locked out. In this case, manual
resetting is obligatory.
If a unit is fitted with an all-or-nothing servomotor-powered damper, the detection
time extends to 2 minutes. (Flexy only)
Note: This error is also displayed in the event of a "shunt" of the auxiliary contact of
the contactor.
Faulty ventilation, condensor circuit 1 or 2
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.
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SAFETY AND ERROR CODESSAFETY AND ERROR CODES
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