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5.1 SETTING THE MECHANICAL CLOCK
The Vokera mechanical time clock can automati-
cally switch your boiler on and off at the same
time every day of the week. The minimum ’on’ or
‘off’ period can be as little as 15 minutes.
The outer clock face consists of 96 black pins.
Each pin represents a time period of fifteen min-
utes. When a pin is pushed towards the outside of
the clock face, the time clock is in an ‘on’ posi-
tion, consequently when it is pushed towards the
inner part of the clock face it is in an ‘off’ position.
5.1.1 SETTING THE ‘ON’ & ‘OFF’ TIMES
Push the necessary amount of pins towards the
outer clock face for the time period that you want
the boiler to be ‘on’ (for example if you wanted
the boiler to be on between 4.00PM and 8.00PM,
push out the 16 pins located between 16 and 20
on the clock face).
5.1.2 SETTING THE ‘TIME OF DAY’
Grasp the outer clock face and turn clock-wise
until the correct ‘time of day’ is opposite the black
pointer.
5.1.3 SELECTOR SWITCH
The time clock has a three-position switch. This
switch over-rides the timed settings (‘on’ & ‘off’
times) of the clock.
5.2 SETTING THE DIGITAL CLOCK
The Vokera digital time clock will automatically
switch your boiler on and off. It has a total of twenty
different switching commands, consisting of ten
‘on’ commands and ten ‘off’ commands.
Each ‘on’ or ‘off’ command can be used to switch
the boiler ‘on’ or ‘off’ at the same time:
● Every day of the week
● Monday to Saturday
● Monday to Friday
● Saturday and Sunday
● Any particular day
VOKERA TIME CLOCK
Example
Group of days On Off Commands
used
Mon. to Fri. 06.00 09.00 2
Mon. to Fri. 16.00 21.00 2
Sat. & Sun. 08.30 10.30 2
Sat. & Sun. 17.00 23.00 2
Total 8 used
Commands ‘free’ 12 unused
Selector Switch
I= boiler “on” continously
= boiler working via time
clock
0= boiler “off” continously
“Correct time” Pointer
Vokera 24 Hour Mechanical Clock
5.2.1 BEFORE PROGRAMMING
Gently press and release the ‘Res.’ button with a
pencil or similar, this will clear the memory of all
information. This should only be done when you
want to change or insert a complete new pro-
gramme.
5.2.2 SETTING THE TIME OF DAY
The ‘real time’ clock has to be set to the actual
day of the week and time of day, to do this:
● Press and hold the button (see fig 2).
● Press the ‘Day’ button until the actual day shows
in the display (1= Monday, 2= Tuesday, 3=
Wednesday, etc.).
● If setting the clock during ‘British summertime’
press the ‘+/-1h’ button once (use a pencil or
similar).
● Press the ‘h’ button until the actual hour is shown
in the display.
● Press the ‘m’ button until the actual minutes
are showing in the display.
● Now release the button.
● The ‘:’ symbol between the hours and minutes
display will start to flash, this indicates that the
clock is now keeping time (see fig. 3).
Fig. 2 Fig. 3
Select button
British Summer-
time Button
Hour Button
Minute Button
Display
Day button
Clock button
Programme
button
Reset
button
Vokera Digital Time Clock
Fig. 1
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