48 Operating the Boiler
Setting the Burner-On Temperature
Display
Description
Burner-on temperature (°C)
During space heating, the boiler turns on the burner when
the space heating supply temperature is below the burner-on
temperature.
Burner-On Temperature Range
Range
Remarks
1–30°C
Default: 3°C
Setting the Supply Absolute MAX Temperature
Display
Description
Supply absolute MAX set point
(°C)
This menu can be used to change the maximum 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 MAX
temperature range.
Supply Absolute MAX Temperature Range
Range
Remarks
[MIN set point + 20°C] – 90°C
Default: 90°C
Setting the DHW Wait Time
Display
Description
DHW wait time (min)
The DHW wait time is the duration that the boiler maintains the
DHW supply mode after a DHW demand. With the DHW wait
time enabled, a faster DHW supply may be available when there
is a subsequent DHW demand. The boiler switches the 3-way
valve to space heating mode when the set time elapses.
●
Default: 5 minutes
●
Range: 0–20 minutes
Note
When a call for space heating occurs simultaneously
with a DHW demand, the 3-way valve will
immediately switch to space heating mode at the end
of the DHW demand.
Setting the Burner-Off Temperature
Display
Description
Burner-off temperature (°C)
During space heating, the boiler turns off the burner when the
space heating supply temperature meets or exceeds the burner-
off temperature.
Burner-Off Temperature Range
Range
Remarks
0–30°C
Default: 2°C