8
1 OPERATING THE MURELLE ADVANCED HE ErP
1.1
Control panel
2
1
Fig. 1
1
FUNCTIONAL BUTTONS
y
Press for more than one second and release to step
through the operating modes (Stand-by – Summer –
Winter).Also use this key to reset a resettable lockout.
r
During normal operation, pressing the button displays
the domestic hot water set point which can be between
10 and 60°C. In "parameter setting", the engineer can
scroll through the parameter index (decreasing) by
pressing this button.
t
During normal operation, pressing the button displays
the heating set point which can be between 20 and
80°C. In "parameter setting", the engineer can scroll
through the parameter index (increasing) by pressing
this button.
<
During normal operation, pressing this button allows
the user to reduce the heating or DHW set point on the
basis of the selection made previously. In "parameter
setting/display", the engineer can modify the
parameter setting or value (decreasing) by pressing
this button.
>
During normal operation, pressing this button allows
the user to increase the heating or DHW set point
on the basis of the selection made previously. In
"parameter setting/display", the engineer can modify
the parameter setting or value (increasing) by pressing
this button.
c
Programming connector cover plug.
NB:
pressing any one of these buttons for more than 30
seconds generates a fault on the display without preventing
boiler operation.The warning disappears when the button is
released.
2
DISPLAY
l
“SUMMER”. This symbol appears when the boiler is
operating in "Summer" mode or if only the domestic
hot water mode is enabled via the remote control. If the
symbols
l
and
n
are flashing, this indicates that
the chimney sweep function is active.
n
“WINTER”. This symbol appears when the boiler is
operating in "Winter" mode or if both the domestic hot
water and heating modes are enabled via the remote
control. With the remote control, if no operating modes
have been enabled both symbols
l
and
n
will be
off.
d
“RESET REQUIRED”. The message indicates that after
having corrected the problem, normal boiler operation
can be restored by pressing the button
y
.
r
“DOMESTIC HOT WATER”. This symbol is present during
a DHW request or during the "chimney sweep function"
It flashes during the selection of the domestic hot
water set point.
t
“HEATING”
. This symbol lights up during heating
operation or during the "chimney sweep function It
flashes during the selection of the heating set point.
f
“LOCKOUT” DUE TO NO FLAME
.
F
“FLAME LIT”
.
v
“POWER LEVEL”. This indicates the power level at which
the boiler is operating.
p
“PARAMETER”. This indicates when the engineer is in
parameter setting/display, or "info" or "counter", or in
"activated alarms" (history).
A
“ALARM”. This indicates that a fault has occurred.
The number specifies the cause which generated the
alarm.
z
“CHIMNEY SWEEP”
. This indicates that the "chimney
sweep function" has been activated.
e
“EXTERNAL SENSOR”. This indicates that the external
sensor has been installed and that the boiler is working
on a sliding temperature.
a
“HEATING SYSTEM PRESSURE”. Display of heating
system pressure.
