Start-up sequence
Unit power supply ON
Yes / No
1
Oil sump heater in operation for at least 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
if remote On-Off:
set dip-switch S5-3 on ON
9
if units in modular configuration (cascade)
set dip-switch S12-2 on ON
set unit address via ENC4
10 Make sure that the refrigerant is free of bubbles by means of the sight glass (if present).
11 check of all fan operating
12 measure of return and supply water temperature
13 super-heating and sub-cooling measure
14 check no anomalous vibrations are present
15 set-point personalization
16 scheduling customisation
17 complete and available unit documentation
24
4 221 546 / 00
CoMMISSIonInG
