Technical information

22
2.14. FITTING THE DIGITAL CLOCK
The microGENUS HE boiler is supplied with a factory fitted
mechanical time clock. There is a digital clock available as an
optional extra (code: 706348).
To fit the digital clock it is necessary to proceed as follows:-
1. Remove the screws
A (FI
G
. 2.22) and lower the control panel;
2. Open the control panel (see Section 2.12);
3
. Remove the screws
D
1
t
o gain access to the mechanical time
clock (FI
G
. 2.25)
3. Unplug the electrical connection from the PCB D7 (FI
G
. 2.26)
and unscrew the four screws (FIG. 2.26);
4. Connect the wires supplied with the replacement clock kit to the
digital time clock as shown in
FI
G
. 2.27;
5
. Reassemble in reverse order.
NO
TE
:TH
E MECHANICAL CLOCK HAS FOUR WIRES
, T
HEREFORE THE
HARNESS WILL REQUIRE CHANGING ALSO
.
3
2
1
G
B
R
5
4
3
2
1
G
B
R
DIGITAL MECHANICAL
DIGITAL
MECHANICAL
D6
A
A
A
D1
D1
D1
D1
FIG. 2.22
FIG. 2.23
FIG. 2.24
FIG. 2.26
FIG. 2.27
D7
FIG. 2.25