Navien LCB700-21RS, Installation & Operation Manual

Page: 59 / 96

Operating the Boiler 59
11.4.5 Setting the Schedule Programming
Operation
To set the boiler’s schedule programming operation, press the
Menu button (
), and then select “5. Schedule Programming”.
Rotate the Command dial ( ) to switch between the list items
or to increase/decrease setting values. Press the Command dial
(
) to select an item or to confirm after making changes.
Item Description
1. CH_Schedule Set the central heating weekly timer.
2. DHW_Schedule
Set the DHW tank (System/Regular)
or DHW PreHeat (Combi) Weekly
Timer.
3. Schedule Check Check the weekly schedule.
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 or DHW modes.
System/Regular Models - Central Heating or DHW Mode
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.
Rotate the Command dial ( ) to switch between the list items
or to increase/decrease setting values. Press the Command dial
(
) to select an item or to confirm after making changes.
Press the Back button ( ) to return to the previous screen or
menu.
System/Regular Models
Item Description
1. DHW ON/OFF Set the DHW operation.
2. DHW Supply Set
Temp
Set the DHW tank supply water
temperature.
Ɣ
Setting range: 40 – 85°C
Ɣ
Default: 85°C
3. DHW Call Signal
Select a device for sensing the DHW
demand.
1. DHW Thermostat
2. Wiring Centre: This option is
available only when CH Demand is
set to Navien Thermostat.
Combi Models
Item Description
1. DHW ON/OFF Set the DHW operation.
2. DHW Supply Set
Temp
Set the DHW tank supply water
temperature.
Ɣ
Setting range: 40 – 85°C
Ɣ
Default: 85°C
3. DHW Set Temp
Set the DHW temperature.
Ɣ
Setting range: 30 – 60°C
Ɣ
Default: 50°C
* DHW Priority Time refers to the time duration that the boiler will give
priority to DHW over central heating (Combi boiler only).