ACV International
34
6.3
Shutting down
CAUTION
Drain the appliance and the installation if mains power
has been interrupted and ther is apossibility of
freezing.
1.
Set the divider valve in the manual position.
2.
Drain the appliance at het filling/drain tap.
3.
Drain the installation at the lowest point.
6.3.1
Frost protection
•
To avoid freezing of the condensate drain pipe the appliance must be installed in a
frost-free area.
•
To avoid freezing of the appliance it is equipped with frost protection. If the
temperature of the geat exchanger becomes too low, the burner switches on until
the temperature of the heat exchanger is sufficient. If there is a possibility of the
installation (or part of it) freezing, an (external) frost thermostat must be installed at
the coldest point of the return pipe. This must be connected in accordance with the
wiring diagram. (See section 10.2.)
Note
If an (external) frost thermostat has been fittted to the installation and connected to
the appliance, this will not be active when the appliance is switched off at the
operating panel (
-
on service
display).
