49
EN
USING MIXED VERSION
WINTER
-The central heating circuit is working.
-The control box does not regulate, the
only key that works is the BOOST.
-The resistance does not work, it is off.
-The boiler regulates.
-The supply tap «
a»
must be open.
-The boiler return tap «
b»
must remain
open.
SUMMER
-The central heating circuit is not working..
-The control box recovers all its functions.
-The boiler does not regulate anymore.
-The resistance takes over from the boiler
that is cut.
-The supply tap «
a»
must be closed.
-The boiler return tap «
b»
must remain
open.
a
b
a
Supply tap to allow inlet of hot
water from the central heating.
This can be thermostatically
controlled or not depending on
your choice.
b
Boiler return tap to allow the hot
water to leave the central hea-
ting.
CLEANING THE FAN
Clean the air inlet and outlet grilles with a vacuum cleaner.
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Use
