Operating the Boiler 47
Setting the DHW Max Heat Capacity
Display
Description
DHW max heat capacity (%)
This menu is used to configure the desired DHW capacity. When
the boiler operates in the Normal mode, the max DHW capacity
is limited to the set value (%).
DHW Max Heat Capacity Setting Range
Range
Remarks
[DHW Min Heat Capacity set
point + 20%] – 100%
Default: 100%
Setting the DHW Min Heat Capacity
Display
Description
DHW min heat capacity (%)
This menu is used to configure the desired DHW capacity. When
the boiler operates in the Normal mode, the min DHW capacity
is limited to the set value (%).
DHW Min Heat Capacity Setting Range
Range
Remarks
DHW Min Heat Capacity –
[DHW Max Heat Capacity set
point - 20%]
Default: DHW Min Heat
Capacity (%)
Setting the Anti-fast Cycling Time
Display
Description
Anti-fast cycling time (min)
The anti-fast cycling time is the duration that the boiler stops
its space heating operation when the space heating supply or
return temperatures reach the set values for boiler operation
stop temperatures. The boiler will not resume space heating
until the duration elapses, even when the space heating supply
or return temperatures return to within the set ranges.
●
Default: 3 minutes
●
Range: 0–20 minutes
Setting the Pump Overrun Time
Display
Description
Pump overrun time (min)
The pump overrun time is the duration the circulation pump
continues to run between the space heating supply or return
temperature reaching the set point and the burner turning off. If
the space heating supply or return temperature remains outside
of the boiler operation temperature range for a set period, the
pump stops for 10 mins, runs again for 5 mins, and then repeats
the cycle.
●
Default: 40 minutes
●
Range: 3–40 minutes
