Reply 51 - 71 - 101
Table. 1
Heating temperature adjustment
DHW temperature adjustment (with optional hot
water tank installed)
Summer/Winter changeover
Eco/Comfort selection (with optional hot water tank
installed)
Sliding Temperature
Water system pressure adjustment
The filling pressure with the system cold must be approx. 1.0 bar. If the system pressure falls to values below minimum,
the boiler card will activate fault F37 (fig. 14). Flashing of the arrows (details 18 and 24 - fig. 1) together with the error
code indicates which boiler shell is in fault status.
A
Once the system pressure is restored, the boiler will activate the 120-second air venting cycle indicated on the
display by FH.
EN
Adjustment can be made from the Remote Timer Control menu and the boiler
control panel.
Adjustment can be made from the Remote Timer Control menu and the boiler
control panel.
Summer mode has priority over a possible Remote Timer Control heating
demand.
On disabling DHW from the Remote Timer Control menu, the boiler selects
the Economy mode. In this condition, the button
the boiler panel is disabled.
On enabling DHW from the Remote Timer Control menu, the boiler selects
the Comfort mode. In this condition it is possible select one of the two modes
with the button
Both the Remote Timer Control and the boiler card manage Sliding Tempera-
ture adjustment: of the two, the Sliding Temperature of the boiler card has pri-
ority.
eco
reset
comfort
fig. 14 - System low pressure fault
cod. 3540H322 - 09/2008 (Rev. 01)
(detail 7 - fig. 1).
(detail 7 - fig. 1) on
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