8
8.
TIME CLOCK
1. General layout
The mechanical clock covers a 24 hour period. Each tappet
represents 15 minutes
A (Fig 8.1)
. An override switch is located on
the clock
B (Fig 8.1)
.
2. 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
(Fig. 8.1)
.
3. To Set the "On" and "Off" times
The clock uses a 24hours 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.
4. 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 off permanently.
11
22
33
44
55
66
77
88
9 9
10 10
11 11
12 12
13 13
14 14
15 15
16 16
17 17
18 18
1919
2020
2121
22
22
23
23
24
24
99
66
12
12
I
A
C
B
8.1
Setting the Mechanical Clock
F
IG
. 8.1
