9 - MAINTENANCE
Electric fans
Check:
the fans and the relative protection gridsare well fixed
the fan bearings (evident by noise and anomalous vibrations)
the terminal protection covers are closed and the cable
holders are properly positioned.
Refrigerant leak detector
Option
For specific information refer to the component manufacturer's
manual..
Maintenance
The inspection must be carried out by qualified service
personnel.
Check the correct operation of the LEDs.
Check the correct functioning of the buzzer and relay.
Check the signal transmission to the central BMS / controller,
if connected.
The sensor must be calibrated or replaced every 12 months.
Failure to carry out this operation can cause incorrect
readings and in case of leak high concentrations can be
reached: FIRE RISK with A2L refrigerants (eg R32 and
R1234ze)
To recalibrate the sensor: see SERVICE MANUAL.
To replace the sensor: contact After-Sales Service.
The sensors have an average life of 2 to 5 years, depending on
the type, after which they must be replaced.
Sensors must be checked after exposure to significant gas
concentrations, which can reduce sensor life and / or reduce
sensitivity.
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