OPERA
Adjustments from remote timer control
If the boiler is connected to the Remote Timer Control (optional), the previously described adjustments are
A
managed as described in table 1.
Table 1
Heating temperature adjustment
DHW temperature adjustment (with
optional hot water tank installed)
Summer/Winter Switchover
Eco/Comfort selection (with optional
hot water tank installed)
Sliding Temperature
System water 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 37
and the number of the module (fig. 32).
Once the system pressure is restored, the
A
boiler will activate the 300-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 request.
On disabling DHW from the Remote Timer Control menu, the boiler selects Economy mode.
In this condition, the button detail 10 - fig. 1 on the boiler panel, is disabled.
By enabling DHW from the Remote Timer Control menu, the boiler selects Comfort mode. In
this condition, use the button detail 10 - fig. 1 on the boiler panel to select one of the two
modes.
Both the Remote Timer Control and the boiler card manage the Sliding Temperature adjust-
ment: between the two, the Sliding Temperature of the boiler card has priority.
fig. 32- Module 1 insufficient system pressure fault
cod. 3541R964 - Rev. 01 - 02/2022
Nr:37
Src:1
149