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System Control - ACVMax: 660Y2800 • C
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APPLIANCE DESCRIPTION AND OPERATION
CH & DHW Settings / Heating Settings (Cont’d)
Heating Settings
Outdoor Curve / Warmest Day
18°C
CH2/CV2 Circuit
Enabled
CH2 Max. Setpoint
60°C
CH2 Min. Setpoint
27°C
Warm Weather Shutdown
Off
Circulation Pump Permanent
Disabled
Heating Settings
CH2/CV2 Circuit
Enabled
CH2 Max. Setpoint
60°C
CH2 Min. Setpoint
27°C
Warm Weather Shutdown
Off
Circulation Pump Permanent
Disabled
CH Post Pump Time
5 min
CH Post
Pump Time
5 min
Off
30 min
CH Post Pump Time
sets how long the central heating circulators will continue to op-
erate at the completion of a heating call. Refer to “Pumps” on page 32 to know which
pumps will continue to operate. Any call during the CH Post Pump Time will be ignored
until the post pump has completed. The CH Post Pump Time feature allows the heat re-
maining in the boiler at the completion of a call to be sent to the heating system, which
will improve the overall efficiency of the system.
Press the
LEFT
or
RIGHT
buttons to adjust the CH Post Pump Time then press the
OK
button to store the setting.
Default: 5 min
Heating Settings
CH2 Max. Setpoint
60°C
CH2 Min. Setpoint
27°C
Warm Weather Shutdown
Off
Circulation Pump Permanent
Disabled
CH Post Pump Time
5 min
Freeze Protection
Enabled
Freeze Protection
Enabled
Disabled
The
Freeze Protection
menu allows the feature to be enabled and disabled. The built-in frost
protection mechanism activates the system pumps as soon as the flow temperature [NTC1
probe] drops below 7°C. As soon as the flow temperature is at 5°C, the burner starts up until the
flow temperature rises above 15°C. The pumps continue to run for around 10 minutes.
Press the
UP
or
DOWN
buttons to select Enabled or Disabled then press the
OK
button to
store the setting.
•
Enabled
– The Frost Protection feature protects the installation from freezing at a prede-
termined system flow temperature.
•
Disabled
– The Frost Protection feature is disabled. Only the pumps operate.
Default: Enabled
Heating Settings
CH2 Min. Setpoint
27°C
Warm Weather Shutdown
Off
Circulation Pump Permanent
Disabled
CH Post Pump Time
5 min
Freeze Protection
Enabled
Frost Protection Setpoint
-30°C
Frost Protection
Setpoint
-30°C
-30°C
10°C
Frost Protection Setpoint
allows to define the outside air temperature at which the an-
ti-freeze function is activated (only available if an outdoor temperature sensor is connected).
The pumps are activated when the outside temperature drops below the threshold defined
in this menu.
Press the
LEFT
or
RIGHT
buttons to adjust the Freeze temperature Setpoint then press
the
OK
button to store the setting.
In order to enable the Prestige boiler to protect the whole system against freezing, all
the valves of the radiators and the convectors should be completely open.
Default: -30°C