Ariston Type C - Fitting the Mechanical and Digital Time Clocks

28
13. Electrical connections (continued)
13.1 Fitting the Digital Programmer
The boiler is supplied with a factory fitted mechanical time clock, to
f
it the optional digital programmer it is necessary to proceed as
follows; (this should only be carried out by a competent engineer)
- Isolate the electrical supply to the appliance;
-
Remove the front panel as described in Section 18.1.1;
- Remove the mechanical clock on the right hand side (Fig. 31)
a
nd pull out the 4 wires (Fig. 32);
NOTE: THE WIRES MAY BE TUCKED BEHIND THE ELECTRICAL COVER.
- Connect the clock wires as follows;
ME
CHANICAL
MO
DEL
(Fig. 33)
Red Wire - Contact 1
B
lack Wire - Contact 2
Black Wire - Contact 3
Grey Wire - Contact 5
NO
TE
: TH
E TWO BLACK WIRES ON
CO
NTACTS
2 & 3 C
AN BE REVERSED
DIGITAL MODEL (Fig. 34)
Red Wire - Contact 1
Black Wire - Contact 2
Grey Wire - Contact 3
NO
TE
: SE
COND
BL
ACK
WI
RE
IS NOT CONNECTED.
- Push the clock back into the panel and refit the casing
panel (Fig. 35).
5
4
3
2
1
G
B
R
Fig. 31
Fig. 32
Fig. 33
Fig. 34
Fig. 35