X5 Room temperature sensor, evaporator, pressure
switch
X6 Control panel connection
X7 Hydraulic back-up control terminal board
X8 Control terminal board
X-B1 Electrical back-up control terminal board
X-
HC
Tariff information input (off-peak/peak rate). Allows
automation of domestic hot water production de
pending on the setting of the peak/off-peak rate in
put.
5.11 Filling the thermodynamic water heater
1. Turn on a hot water tap.
2. Open the cold water tap located on the safety unit. Ensure that the
drain valve on the unit is properly closed.
3. When the water flows out from the hot water tap, the appliance is
full.
Close the hot water tap.
Fig.34
MW
-1
0
0
0
5
9
3
-2
5 Installation
40
300026515 - v09 - 25072017