7.3.3
Connecting the domestic hot water circuit
The dielectric unions are provided in the documentation bag.
1. A dielectric union must be connected using hemp fibre or pipe joint
compound, between the hot water outlet (red collar) of the domestic
hot water tank and the pipework to avoid any corrosion at the union.
2. A dielectric union must be connected using hemp fibre or pipe joint
compound, between the cold water inlet (blue collar) of the domestic
hot water tank and the pipework to avoid any corrosion at the union.
3. Mount a domestic water thermostatic mixer valve (not provided) on the
domestic hot water tank outlet:
France: the thermostatic mixer valve is mandatory.
Other countries: the thermostatic mixer valve is recommended.
7.4
Connecting the refrigeration connections
To allow exchanges between the domestic hot water tank and the outdoor
unit, 2 refrigerant connections must be made: send and return.
Pursuant to directive L. 517/2014, the installation of equipment must be
done by a certified operator whenever the refrigerant load is in excess of
two kilograms or when a refrigerant connection is necessary (the case with
split systems, even when fitted with a quick coupling device).
Fig.40
MW-2000623-1
3/8’
1/4’
3/8’
1/4’
1
2
2
7
3/8" fitting
supplied on the outdoor unit
supplied in the documentation bag
1/4" fitting
supplied on the outdoor unit
supplied on the domestic hot water tank
1. Partially unscrew the 3/8” adaptor on the domestic hot water tank.
If no release noise can be heard, return the product to the after-
sales service.
Fig.39
MW-2000403-3
1
2
7 Installation
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