Rev. H 02-2021
41
MTEC.5800.GB-H-1 Operation and maintenance manual SHA series English
SHA
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(1)
In order to carry out operations on the refrigerant, it is necessary to observe the European Regulation 517_2014,
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-
tionary refrigeration, air conditioning and heat pump equipment”.
7.4.1 Electrical system and adjustment
Action to be performed
Frequency
Monthly
Every
2 months
Every
6 months
Every
year
Every
5 years
As neces-
sary
Check that the unit works properly and that there are no active warnings
X
Visually inspect the unit
X
Check noise and vibration level of the unit
X
Check operation of safety features and of interblocks
X
Check the unit’s performance
X
Check the current draws of the different parts (compressors, fans, pumps, etc.)
X
Check the supply voltage of the unit
X
Check tightness of cables in their clamps
X
Check the integrity of the insulating coating of power cables
X
Check the conditions and functioning of the counters
X
Check functioning of the microprocessor and of the display
X
Clean the electrical and electronic components of any dust
X
Check functioning and calibration of probes and transducers
X
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Action to be performed
Frequency
Monthly
Every
2 months
Every
6 months
Every
year
Every
5 years
As neces-
sary
Visually inspect the coil
X
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X
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X
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(2)
(if present)
X
Check noise and vibration level of the fans
X
Check the supply voltage of the fans
X
Check the fans’ electrical connections
X
Check functioning and calibration of the fans’ speed adjustment system (if
present
)
X
Check air presence in the hydraulic circuit
X
Check color of moisture indicator on liquid line
X
Check for freon leaks
(1)
X
(2)
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