Start-up sequence
Unit power supply ON
Before powering the unit carry out a leak test with suitable instrumentation
Yes / No
1
compressor carter resistances operating at least since 8 hours
2
off-load voltage measure
3
phase sequence check
4
pump manual start-up and flow check
5
refrigeration circuit shut-off valves opening (if applicable)
6
unit ON
7
load voltage measure
8
verify the lack of bubbles in the liquid light (if applicable)
9
check of all fan operating
10
measure of return and supply water temperature
11
super-heating and sub-cooling measure
12
check no anomalous vibrations are present
13
set-point personalization
14
scheduling customisation
15
complete and available unit documentation
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