16
√
Preliminary checks
1
Are the functional spaces of the internal unit and the external unit being observed ?
2
Is the section of the cooling lines correct ? Have the supplied sealing couplings been used ?
3
Does the equivalent length of the refrigerant piping exceed 3 or
≤
30m?
4
Is the height different of the refrigerant piping below 25m?
5
Have emptying and additional load been carried out ? Was there a visual check for oil / leaks ?
6
Water features are suitable? The hydraulic system has been cleaned?
7
Is the water filter from the waterworks inlet correctly installed ?
8
Is the system filter on the supply correctly installed?
9
Are the inlet and outlet of the water lines correct ?
10
Is there a non-return valve on the DHW recirculation line?
11
Present safety valve on the DHW side?
12
Present expansion vessel on the DHW side?
13
Has the compressor support bracket been removed?
14
Does the system contain the minimum required amount of water?
15
Are the anti-vibration joints on the hydraulic connections present ?
16
Was the system loaded, placed under pressure and was the air let out ?
17
Have you verified the expansion tank charge ?
18
Was the condensate produced by the external unit drained correctly ? Can it freeze ?
19
Have the electrical connections to the external unit been made ?
20
Earthing connection? Is the power supply correct ?
Is the available power supply sufficient ?
21
Are the system temperature and the room temperature with the operating limits ?
22
Is the screed
“
dry
” ?
(only in presence of radiant panels)
23
Has the carter resistance been charged for at least 8 hours ?
24
Select keyboard language
25
Set date and time
26
Sanitary water and system personalisation
27
Compile documentation
Rapid guide
