Preliminary checks
Yes / No
1
The flooring must be able to support the weight of the unit when full with water (see
dimensional)
2 Unit installed inside, in a vertical position and sheltered from freezing temperatures.
3
The site location must be free from any corrosive elements in the atmosphere such as sulfur,
fluorine, and chlorine and dust in excessive quantities.
4
Sufficient air flow for the unit to function.
The unit must be located in a space >15m³, and must have unrestricted air flow.
The unit cannot be placed into any type of closet or small enclosure.
5 Sufficient room to maintenance the unit.
6 All piping properly installed and free of leaks.
7 Filter for water coming from water mains present and accessible for maintenance
8 Condensate drain pipe connected and conveyed to an adequate drain, protected from frost
9 DHW safety valve pipe connected and conveyed to an adequate drain, protected from frost
10 Water temperature limit valve or mixer tap (recommended) installed per manufacturer’s instructions.
11 Hydraulic system filled, pressurised and drained
12
Sufficient inlet water pressure, between 1,5 Bar ~ 6,5 Bar (0,15 MPa ~ 0,65 MPa) (
≥
1,5Bar)
(
≥
0,15MPa)
13 Expansion tank checked / filled with nitrogen
14 The unit and electrical system are properly grounded.
15 Present overload protection / differential switch.
16
Power supply and connections cables comply with national standards and the requirements of this
manual.
17 Power supply voltage within the limits: 220-240Vac
18
The external air temperature within the limits: above -7ºC and below 43ºC
If the externalair temperature falls outside these upper and lower limits the electrical elements will
be activated to meet the hot water demand
9
START-UP
19
Is the pressure relief valve present? Is the setting correct?
20
Joints Diélectriques présents ?