Summer Mode; Setting Summer Mode; Continuous Summer Mode - IVT 495 TWIN Manual To Installation, Commissioning And Maintenance

Setting summer mode

You can specify at which outdoor temperature you
want the heating to stop. Factory setting is 17°C.
1. Press the right button once and the text Set the
house heating here appears on the display.
2. Press the right button once again and the text
Heat more/less range 0-10 appears on the
display.
3. Turn the dial clockwise until Setting summer
mode appears on the display.
4. Press the right button once and the text Set
value: appears on the display.
5. Press the right button (Adjust), the display
now shows the previously set value. Turn the
dial until the required value has been set.
6. Press the right button when the required value
has been set (Save). The value is now saved.
Press the left button to return to the main
menu.

Continuous summer mode

To obtain continuous summer mode first carry out
steps 1-5 above. Then turn the dial to increase the
temperature to 30°C and four dashes on the
second line will indicate that house heating has
been switched off. Press the right button (Save).
Return to the main menu by pressing the left
button repeatedly. Turn the dial one step to access
the info menu. The info menu now shows House
heating off.
Repeat the above to connect the heating again and
set the temperature at which the heating season
should start, normally 17°C.

Summer mode

NOTE: To prevent repeated switching between heating
mode and summer mode (between day and night) the tran-
sition from winter mode to summer mode is delayed by one
hour and from summer mode to winter mode by six hours.
Set the house
heating here
Heat more/less
range 0-10
Setting
summer mode
Set value:
Return
IIIIIIII I I I I I I
Cancel
IIIIIIII I I I I I I
Cancel
House heating off
17
1
1.1
1.14
17,0
Adjust
17,0 Save
IIII Save
IVT 495 TWIN 9518799
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