CLIVET WDAT-iZ4, Manual For Installation, Use And Maintenance

Page: 23 / 72

23
6 START-UP
Preliminary checks
Unit OFF power supply
Yes / No
1 safe access
2
suitable frame to withstand unit weight + people weight
3 functional clearances
4 air flow: correct return and supply (no bypass, no stratification)
5
considered level to be reachable by snow
6
considered main winds
7
lack of chimneys/corrosive atmospheres/pollutants
8 structure integrity
9 fans run freely
10 unit on vibration isolators
11 unit input water shut-off valves for cleaning
12 vibration dampeners on hydraulic connections
13 expansion tank (recommended volume = 10% system content)
14 minimum system water content
15 clean system
16 loaded possible glycol so corrosion inhibitor
17 system under pr vented
18 refrigerant circuit visual check
19 earthing connection
20 power supply features
21 remote On-Off