116
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.
– This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabi-
lities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of
the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play
with the appliance.
LIGHTING AND OPERATION
BOILER IGNITION (fig. 24)
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 and move the
main switch of the system to “ON”.
When fuel is fed to the boiler, a sequence of
checks will be carried out and the display
shows the normal condition of the functio-
ning, always indicating the pressure of the
system. If the blue luminous bar is on, this
indicates the presence of voltage.
N.B.: To the first pressure the keys of the
controls (2) the display is illuminated, to
the successive pressure the operation
modality is active.
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.
2
Fig. 24
APRE
OPEN
Summary of Contents for MURELLE HM
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