102
ES
PT
GB
USER INSTRUCTIONS
WARNINGS
– In case of fault and/or incorrect equipment operation, deactivate it, without making any repairs or taking any direct
action. Apply only to qualified technical personnel.
– Boiler installation and any other assistance and/or maintenance activity must be carried out by qualified personnel
persuant to Standard CEI 64-8. Under no circumstances, the devices sealed by the manufacturer can be tampered
with.
– It is absolutely prohibited to block the intake grilles and the aeration opening of the room where the equipment is
installed.
– The manufacturer shall not be held liable for any damage caused by improper use of the appliance.
LIGHTING AND OPERATION
BOILER IGNITION
(fig. 25)
The first ignition of the boiler must be car-
ried out by qualified technical personnel.
Successively, if it is necessary to start up
the boiler again, adhere strictly to the fol-
lowing instructions: open the gas tap to
allow the flow of the fuel.
Move the main switch of the system to
“ON”. When fuel is fed t o the boiler, a
sequence of checks will be carried out and
the display shows the normal condition of
the functioning, always indicating the pres-
sure of the system. If the blue luminous bar
is on, this indicates the presence of voltage.
Winter
Press the key
of the controls (pos. 2)
to activate the winter mode functioning
(heating and D.H.W.). The display will be as
shown in the figure.
Summer
Press the key
of the controls (pos. 2)
to activate the summer mode functioning
(only the production D.H.W.). The display will
be as shown in the figure.
APRE
2
Fig. 25
OPEN
Summary of Contents for Murelle 20 BFT
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