15
7- START-UP
Preliminary checks
Checks with machine in OFF, before start-up .
For details refer to the various chapters in the manual.
Start-up sequence
Machine start-up operations.
For details refer to the various chapters in the manual.
√
Unit OFF power supply
•
safe access
•
functional spaces
•
integrity of structure
•
unit on anti-vibration devices
•
air filters present and clean
•
completed idraulic system
•
cooling circuit visual control
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earth connection
•
unit powered by fixed network or by electrogen group
•
electric connections by customer
√
unit ON power supply
•
Powered unit
•
compressor carter heaters ON from at least 8 hours
•
phases sequence control
•
vacuum voltage measurement
•
unit ON
•
load voltage measurement and absorptions
•
treated air flow rate measurement
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supply, return and outdoor air temperature measurement
•
subcooling and overheating measurement
•
no anomalous vibrations check
•
set-point customisation
•
available machine documentation