Holiday Mode; Schedule Timer; Service Menu - Mitsubishi Electric EHPT20Q-VM2EA Manual De Funcionamiento

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Customizing Settings for Your Home

Holiday Mode

Holiday mode can be used to keep the system running at lower fl ow
temperatures and thus reduced power usage whilst the property is unoccupied.
Holiday mode can run space heating on either fl ow temp, room temp, or
compensation curve heating and DHW all at reduced fl ow temperatures to
save energy if the occupier is absent.
From the main menu screen press button E. Be careful not to hold down button
E for too long as this will turn OFF the controller and system.
Once the holiday mode activation screen is displayed you can activate/
deactivate and select the duration that you would like holiday mode to run for.
● Press button F1 to activate or deactivate holiday mode.
● Use buttons F2, F3 and F4 to input the date which you would like holiday
mode to activate or deactivate holiday mode for space heating.
<Editing holiday mode>
Refer to the menu tree in "5.7 Main controller" of Installation Manual.
Should you require the Holiday mode settings e.g. the fl ow temp., room temp.
to be altered you should contact your installer.

Schedule timer

Scheduled timer can be set in two ways, for example; one for summer and
the other for winter. (Refer to as "Schedule 1" and "Schedule 2" respectively.)
Once the term (months) for the Schedule 2 is specifi ed, rest of the term will be
specifi ed as Schedule 1. In each Schedule, an operational pattern of modes
(Heating/ DHW) can be set. If no operational pattern is set for Schedule 2, only
the pattern for Schedule 1 will be valid. If Schedule 2 is set to full-year (i.e.
March to Feb.), only the operational pattern for Schedule 2 will be valid.
The schedule timer is activated or deactivated in the option screen. (See
'General Operation' section)
<Setting the Schedule period>
1. From the main settings menu use F2 and F3 to highlight the schedule icon
then press CONFIRM.
2. The Schedule period preview screen is displayed.
3. To change the Schedule period, press F4 button.
4. The time bar edit screen is displayed.
5. Use F2/F3 button to point at a starting month of the Schedule2, then press
CONFIRM.
6. Use F2/F3 button to point at an ending month of the Schedule2, then press
CONFIRM.
7. Press F4 to save settings.
<Setting the Schedule timer>
1. From the main settings menu use F2 and F3 to highlight the schedule icon
then press CONFIRM.
2. From the schedule 2 period preview screen use F1 and F2 to scroll through
the selecting each subtitle in turn by pressing CONFIRM.
3. The schedule timer sub menu will be displayed. The icons show the
following modes;
● Heating
● DHW
4. Use F2 and F3 buttons to move between mode icons press CONFIRM to be
shown the PREVIEW screen for each mode.
The preview screen allows you to view the current settings. In 2-zone heating operation,
press F1 to switch between Zone1 and Zone2. Days of the week are displayed across
the top of the screen. Where day appears underlined the settings are the same for all
those days underlined. Hours of the day and night are represented as a bar across the
main part of the screen. Where the bar is solid black, space heating and DHW (whichever
is selected) is allowed.
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5. In the preview menu screen press F4 button.
6. First select the days of the week you wish to schedule.
7. Press F2/F3 buttons to move between days and F1 to check or uncheck the
box.
8. When you have selected the days press CONFIRM.
9.The time bar edit screen will be displayed.
10. Use buttons F2/F3 to move to the point at which you do not want the
11. Use F3 button to set the required time of inactivity then press CONFIRM.
12. You can add up to 4 periods of inactivity within a 24 hour interval.
Schedule2 period preview screen
13. Press F4 to save settings.
When scheduling heating, button F1 changes the scheduled variable between time and
temperature. This enables a lower temperature to be set for a number of hours e.g. a
lower temperature may be required at night when the occupants are sleeping.
Note:
● The schedule timer for space heating and DHW are set in the same way.
However for DHW only time can be used as scheduling variable.
● A small rubbish bin character is also displayed choosing this icon will delete
the last unsaved action.
Schedule1 mode select screen
● It is necessary to use the SAVE function F4 button to save settings. CONFIRM
does not act as SAVE for this menu.

Service Menu

The service menu is password protected to prevent accidental changes being
made to the operation settings, by unauthorised / unqualifi ed persons.
Customizing Settings for Your Home
selected mode to be active press CONFIRM to start.
Preview screen
Day of week select screen
Time of period setting screen 1
Time of period setting screen 2
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