Operating the Boiler 49
Setting the Return Absolute MIN Temperature
Display
Description
Return absolute MIN set point
(°C)
This menu can be used to change the minimum return
temperature range in Return Control mode. When Custom
mode is configured in Outdoor Reset Control mode, changes to
the return temperature are based on the return absolute MIN
temperature range.
Return Absolute MIN Temperature Range
Range
Remarks
20°C – [MAX set point - 10°C]
Default: 30°C
Low Burning Time
Display
Description
Low burning time during initial
heating.
This menu may be used to set the low burning time during
initial heating.
●
Default: 1 min
●
Range: 0–20 min
Burning Acceleration Time
Display
Description
Burning acceleration time to CH
Max during initial heating.
This menu may be used to set the burning acceleration time.
●
Default: 3 min
●
Range: 0–20 min
Setting the Supply Absolute MIN Temperature
Display
Description
Supply absolute Min set point
(°C)
This menu can be used to change the minimum supply
temperature range in Supply Control mode. When Custom
mode is configured in Outdoor Reset Control mode, changes to
the supply temperature are based on the supply absolute MIN
temperature range.
Supply Absolute MIN Temperature Range
Range
Remarks
25°C – [MAX set point - 20°C]
Default: 40°C
Setting the Return Absolute MAX Temperature
Display
Description
Return absolute MAX set point
(°C)
This menu can be used to change the maximum return
temperature range in Return Control mode. When Custom
mode is configured in Outdoor Reset Control mode, changes to
the return temperature are based on the return absolute MAX
temperature range.
Return Absolute MAX Temperature Range
Range
Remarks
[MIN set point + 10°C] – 70°C
Default: 65°C
