Technical data

6
[*5] Set CH Times
The central heating on and off times are adjusted using this menu point. There are three ON times and three OFF
times per day.
There are two sub-menus in this menu.
a) Day required
b) On and Off times for central heating
With the menu item [Set CH Times] displayed, press the menu/reset once and [Monday] appears in the display. One
can move between the days using the ‘+’ and/or ‘-’ buttons. When the required day is reached, the time program for
that day may be entered by pressing the menu/reset button once. [COPY ...>...] now appears on the display. Press
the ‘+’ button once to move to the first switching time [SWITCH ON 1]. Press the Menu/Reset button once, the hour
value flashes and may be adjusted using the ‘+’ and/or ‘+’ buttons. Press the menu button once more. The minute
value now flashes. This may now be adjusted using the ‘+’ and/or ‘-’ buttons. When adjustments have been made,
press the menu/reset once again and the new switching time is saved. Use the ‘+’ and/or ‘-’ buttons to move
between the switching times for the day which you are adjusting. If no switching times are required then use the
value 00:00. When adjustments for the day are completed, repeatedly press the ‘+’ button until [BACK] is displayed
and then press menu/reset once. The next day will be displayed. Perform all of the adjustments required for each
day and then press the ‘+’ button until [BACK] appears.
Press the Menu/Reset button once to exit CH times. The next menu item [Set HW Times] will now be displayed.
Note: It is also possible to copy a complete switching programme for one day to the next day by using the [Copy]
menu item. When [COPY] is displayed press the menu/reset button once. This copies one days programme to the
next day. The display will show the next day in sequence once the copy operation is completed.
[*6] Set HW Times
The hot water heating on and off times are adjusted using this menu point. There are three ON times and three OFF
times per day. The programming procedure for this is the same as for menu point [*5].
[*7] Set MV Times
When a mixing valve circuit is used for a low temperature circuit (e.g. underfloor heating circuit) , this menu point is
available. The mixing valve on and off times are adjusted using this menu point. There are three ON times and three
OFF times per day. The programming procedure for this is the same as for menu point [*5].
[*8] Setback
This menu point may be used to set the temperature to be maintained during the off periods. It may be set at any
value up to 10°C below the day temperature.
[*9] Holiday
This may be used to overide all of the time programmes for a fixed number of days. The room temperature setpoint
will be reduced to the level set using the ‘SETBACK’ menu point and the domestic water temperature setpoint will be
20°C.
[*10] Install
Configuration of the boiler and the setting of operating parameters is carried out using this menu point. This will
generally be done when the boiler is first commissioned. Great care should be taken when altering these parameters
as the adjustments can greatly affect the boiler performance.
To access the configuration level in the Pop Up menu, enter the code (21) in menu point [*10]. This is done using the
“+” and/or “-” buttons and then pressing the Menu/Reset button. A range of parameter settings then becomes available.
These are described in the Commissioning section of this manual.
[*11] Back
Press the Menu/Reset button to exit the Pop-Up menu.
1.0 user instructions for
the micromat boiler