E-
46
DHW tank (Continued)
Power connection
Water circuit connection
1. Connect the water inlet and water outlet.
2. Connect the hot and cold water supply tubes.
3. Connect the pressure relief valve (field supply, opening pressure maximum 10 bar) and drain.
It is important that the 3-way valve is fitted correctly:
When the 3-way valve is idle (not activated) the space heating circuit should be selected,
when the 3-way valve is activated the sanitary heating circuit should be selected.
Note
F1 F2
N
L
N
L
N
L
1 phase 230V~
Earth
Communication cable
between indoor and
outdoor units
Power cable
Earth cable
(U-Trap)
1 phase
230V~
1 phase
230V~
DHW Tank
Hydro unit
Communication
cable
Circuit breaker
NH080PHXEAHydro unit_IM_E 32659-1.indd 46
2010-07-28 ソタネト 8:59:55