Supplied By www.heating spares.co Tel. 0161 620 6677
31
SECTION 8
WIRING DIAGRAMS
Fig. 35
8.1
IMPORTANT
The Eclipse boiler utilises 24V switching. Any
external controls that are directly connected
to the boiler must be suitable for 24V
applications and shall be voltage free. Under
no circumstances should a 230V supply be
connected to plug M4.
8.2
INSTALLATION OF VOKERA TIMECLOCK
(part no. 201 or 202)
●
Isolate the appliance from the electrical supply
and remove the casing as described in 4.8.1.
●
Gain access to the electrical input board as
detailed in 4.8.2.
●
Remove the square blanking plate from the
clock aperture of the control panel.
●
Insert the clock bezel (supplied with boiler) into
the aperture and secure in place with the 2
locking tabs.
●
Connect the wires to the clock as shown in
fig.35.
●
Mount the clock to the clock bezel using the
screws provided.
●
Remove the factory fitted link between terminals
2 & 3 on plug M4.
●
Connect the clock wires to the electrical input
board as shown in fig. 35.
●
Replace the input board cover and appliance
casing once the clock installation has been
completed.
8.3
EXTERNAL CONTROLS IMPORTANT (see 8.1)
If additional or alternative controls are required,
they must be connected to the boiler as shown in
figure 35A or 35C.
NOTE
Guidance on the recommended practice for the
installation of external controls, can be found in
CHeSS – HC1/HC2 (
www.energy-efficiency.gov.uk)
.
Fig. 35C
red/white
b
lue
white
red/b
lac
k
clock
1
2
3 4
5
Electrical input board
24V room
thermostat
Fig. 35A
