System Details 29
Item
Description
3. WWSD Temp
Set the Warm Weather Shut-
down temperature.
●
Setting range: 10°C – 40°C
●
Default: OFF
4. WWSD On Diff
Set the differential temperature
to deactivate the Warm
Weather Shutdown.
●
Setting range: 1°C – 20°C
●
Default: 3°C
5. Central Htg Control
Select the heating control type.
1: Supply Temperature
2: Return Temperature
●
Default: Supply Temperature
6. CH Heat Demand
Set the heat demand control
type for Navien Thermostat,
OpenTherm, CH Thermostat
and Switched Live.
●
Default: Navien Thermostat
7. CH Schedule
Set the central heating weekly
timer.
Note
To select this option,
you must set up the
Time settings in the
Configuration menu.
If you select an item, you can
select the certain day to schedule
the central heating modes.
Note
The schedule settings
and checking function
cannot be used when
the Heat Demand
function is set to
Navien Thermostat.
Item
Description
1. 7 Day
Schedule a command for
each day of the week.
2. 5 +
2 Day
Schedule a command for
weekday and weekend.
3. 5 + 1 +
1 Day
Schedule a command
for weekdays, Saturdays,
and Sundays.
4. OFF
(Not Used)
Disable the schedule
function.
* 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.
4.4.7.2 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 (
) to switch
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
Description
1. Central Htg ON/ OFF
Enable or disable central
heating operation.
●
Setting range: Enable/Disable
●
Default: Enable
1-1 CH Set Temp
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”.
2. OTC ON/OFF
Enable or disable the outdoor
temperature compensation
control option.
2-1 K-Factor*
K-Factor for the central heating
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