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O
perating the Boiler 47
Setting the Burner-On Temperature
Display
Description
Burner-on te
m
perature (°C)
During space heating, the boiler turns on the burner when
the space heating supply te
m
perature is below the burner-on
te
m
perature.
Burner-On Temperature Range
Range
Remarks
1–30°C
Default: 3°C
Setting the Supply Absolute MAX Temperature
Display
Description
Supply absolute
M
AX set point
(°C)
This
m
enu can be used to change the
m
axi
m
u
m
supply
te
m
perature range in Supply Control
m
ode. When Custo
m
m
ode is configured in
O
utdoor Reset Control
m
ode, changes to
the supply te
m
perature are based on the supply absolute
M
AX
te
m
perature range.
Supply Absolute MAX Temperature Range
Range
Remarks
[
MI
N set point + 20°C] – 90°C
Default: 90°C
Setting the DHW Wait Time
Display
Description
DHW wait ti
m
e (
m
in)
The DHW wait ti
m
e is the duration that the boiler
m
aintains the
DHW supply
m
ode after a DHW de
m
and. With the DHW wait
ti
m
e enabled, a faster DHW supply
m
ay be available when there
is a subse
q
uent DHW de
m
and. The boiler switches the 3-way
valve to space heating
m
ode when the set ti
m
e elapses.
Ɣ
Default: 5
m
inutes
Ɣ
Range: 0–20
m
inutes
Note
When a call for space heating occurs si
m
ultaneously
with a DHW de
m
and, the 3-way valve will
i
mm
ediately switch to space heating
m
ode at the end
of the DHW de
m
and.
Setting the Burner-Off Temperature
Display
Description
Burner-off te
m
perature (°C)
During space heating, the boiler turns off the burner when the
space heating supply te
m
perature
m
eets or exceeds the burner-
off te
m
perature.
Burner-Off Temperature Range
Range
Remarks
0–30°C
Default: 2°C
Summary of Contents for NCB-24LDWE
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