7
user’ manual
Setting the Mechanical Clock
General layout
The Mechanical clock covers a 24 hour period. Each tappet repre
-
sents 15 minutes
A
. An overide switch is located on the clock
B
.
To set the time
To set the time of day, grasp the outer edge of the dial and turn
slowly clockwise until the correct time is lined up with the arrow
C
.
To set the “On” and “O” times
The clock uses a 24 hour system. e.g. 8 = 8:00 am and 18 = 6:00
pm “ON” periods are set by sliding all tappets between the “ON”
time and the “OFF” time to the outer edge of the dial. The tappets
remaining at the centre of the dial are the “OFF” periods.
For operation
Put the selector switch
B
to the
symbol to control the central
heating by the clock. Put the switch
B
to
I
to select permanent
operation or to
0
to turn the central heating o permanently.
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I
A
B
C
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