
Start-up sequence
Unit power supply ON
Before powering the unit carry out a leak test with suitable instrumentation
6 - START-UP
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: no abnormal noises or vibrations
10 measure of return and supply water temperature
11 super-heating and sub-cooling measure
12
run tests in both heat and cool mode (only for heat pump units)
13 check no anomalous vibrations are present
14 set-point personalization
15 scheduling customisation
16
check that all panels are closed and fastened properly
17 complete and available unit documentation
Summary of Contents for WSAT-YSC4
Page 1: ...R32 M0T400002 01 09 21 MANUAL FOR INSTALLATION USE AND MAINTENANCE...
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Page 19: ...Connections performed by costumer 5 ELECTRICAL CONNECTIONS...
Page 37: ...7 CONTROL...
Page 39: ...7 CONTROL...
Page 40: ...7 CONTROL...
Page 55: ...10 ANTIVIBRATION MOUNTS 1 2 3 4 5 7 6 8...