H Language Selection; H Battery Replacement - Viessmann Dekamatik-M1 Operating Instructions Manual

4.4 Operating the Comfortrol Control Unit
Language selection
A
ANGUAGE/LANGUE
L
>ENGLISH: . . . . . . . . . . . . . . .
>FRANCAIS: . . . . . . . . . . . . . .
>BACK/RETOUR: . . . . . . . . .
Battery replacement
A
INFO
PLEASE CHANGE BATTERIES
HEATG. CONTRACTOR:
>ACKNOWLEDGE: . . . . . . . .
Changing the batteries
26
A
A
B
D
Two batteries are built into the rear of the
control unit.
"Fault" appears in the display when
batteries require replacement.
If the batteries are not replaced after a
period of time, fault indication disappears.
The display no longer activates when
. . . . i
operation is attempted by the user.
A
If you wish to adjust the language, open the
flip-down cover and follow this path through
the menu:
H SYSTEM
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
H FACTORY SETTING
. . . . . . . . . . . . . . . . . .
H LANGUAGE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
H select language
H Open flip-down cover.
H Replace batteries; follow these steps:
1. Turn on/off switch " " off and ensure
power supply to boiler room is
deactivated.
2. Remove control unit from the front panel
of the Dekamatik using a screw driver.
Use flat insertion slots (see page 25).
3. Remove battery enclosure from back of
control unit.
4. Replace batteries.
Ensure use of an alkaline battery, AAA
type.
Insert according to diagram.
5. Reinsert battery enclosure.
Reinstall control unit.
"D" button
"A" button
"C" button