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10.3 Table of general maintenance jobs
For periodic maintenance of the elements of the refrigeration circuit, as well as for checking its correct operation, refer to the
manual of the condensing unit connected to the unit.
Check any alarms.
Check that the setpoint air flow rate and relative stability have been
reached.
Check the values read by temperature and humidity probes.
Remove and wash the filters, including the filter of the electrical panel fan.
Check the absolute and pocket filters for clogging and schedule
replacement where necessary.
Check that the pressure transducer connection tubes are intact.
Check that the germicidal lamps are working properly.
Inspect R32 sensor
General cleaning of air-handling units, thermoventilator units and air
extractors.
Replace the filters (when deteriorated).
Check correct operation of the humidifier, where fitted.
Check and fine-tune the damper servos.
Checking the earth connection.
Tighten the electrical connections and replace any worn and damaged
cables.
Check wear of electrical panel elements including ventilation fan.
Check the unit power supply voltages.
Check fan power supply voltage and absorption.
Correct operation of the refrigeration circuit in accordance with the
specifications of the external condensing unit (refer to condensing unit
manual).
Cleaning the finned surfaces of the heat exchange barriers with
compressed air and a mechanical brush.
Clean the external condensing unit coil (see condensing unit manual).
Clean the heat exchange surfaces.
Check the tension of the rotary recovery unit belt and tighten it if
necessary.
Installation, use and maintenance manual
OPERATIONS
FREQUENCY
Every
15
1
day
days
months
months
3
6
12
months
months
98
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