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10.6.2 Setting the Central Heating Operation
To set the boiler's central heating operation, press the Menu
button (
), and then select "2. Central Htg Operation".
Press the Up button (
) or the Down button (
between the list items or to increase/decrease setting values.
Press the OK button (
) to select an item or to confirm after
making changes.
Press the Back button (
) to return to the previous screen or
menu.
Item
1. Central Htg ON/ OFF
1-1 CH Set Temp
2. OTC ON/OFF
2-1 K-Factor*
) to switch
Description
Enable or disable central
heating operation.
Setting range: Enable/Disable
●
Default: Enable
●
Set the central heating target
temperature (°C)
Setting range for central
●
heating supply water: 40°C
(Absolute MIN) – 90°C
(Absolute MAX)
Setting range for central
●
heating return water: 30°C
(Absolute MIN) – 65°C
(Absolute MAX)
Default: 60°C
●
This option is available only
when "1. Central Htg ON/OFF" is
set to "Enable".
Enable or disable the outdoor
temperature compensation
control option.
K-Factor for the central heating
Item
3. WWSD Temp
4. WWSD On Diff
5. Central Htg Control
6. CH Heat Demand
* When the boiler is connected to an outdoor temperature sensor
(optional), functioning may be activated according to outdoor
temperature conditions and K-factor values using the parameters.
The graph shows how the set temperature is determined.
K-factor values can be set using the front panel.
Outdoor Temperature Compensation
4 3.5 3
90
80
70
60
50
50
40
30
20
20
15
10
5
Outdoor Temperature (ºC)
If there is an input from the outdoor temperature sensor, OTC
(Outdoor Temperature Compensation) control will be enabled
automatically. Also, if there is no input from the outdoor
temperature sensor, OTC control will be disabled automatically.
Description
Set the Warm Weather Shut-
down temperature.
Setting range: 10°C – 40°C
●
Default: OFF
●
Set the differential temperature
to deactivate the Warm
Weather Shutdown.
Setting range: 1°C – 20°C
●
Default: 3°C
●
Select the heating control type.
1: Supply Temperature
2: Return Temperature
Default: Supply Temperature
●
Set the heat demand control
type for Navien Thermostat,
OpenTherm, CH Thermostat
and Switched Live.
Default: Navien Thermostat
●
2.5
2
0
-10 -15 -20 -25
-5
Operating the Boiler
1.5
1.2
1
0.6
0.2
45
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