Wahl Bach 18kW, Руководство пользователя, Страница: 20 / 28

20
DE GB
Final installation
• Open the cold water stop valve.
• Install the top of the housing.
• Insert the fixing screw at the bottom.
Commissioning
• Fill the device and vent it by opening a hot water tap connected to it.
• Only switch on the electrical supply once the device is clear of any
air.
• Check the operation of the device.
Frost
The device should be installed in a vertical position in a room protected
from frost and in the proximity of the water connections.
In case the room cannot be protected against frost, the device should
not be installed in this room. Should the device be installed in such a
room, the device should be emptied before the frost danger will occur.
Do not switch on if there is a possibility that the water in the device is
frozen.