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26
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 terminals
4 & 6 of the appliance terminal strip.
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 appliance terminal strip 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.
7.12.7 FAULT FINDING TEST ‘4’
TEST 4
SPARK
YES
IGNITION
FAULT
AT ELECTRODE
FINISH
REPLACE
PCB
YES
NO
ARE
YES
NO
ELECTRODE
& LEAD OK
NO
AT GAS VALVE
24 VAC
YES
AT TERMINALS
24 VAC
11 & 12 OF
PLUG X2
CONTINUITY
CHECK
NO
REPLACE
PCB
DOES
BURNER
LIGHT
YES
NO
REPLACE &
RESTART TEST
DOES
BURNER
STAY LIT
YES
NO
NO
YES
IS IONISATION
VOLTAGE
ABOVE
2,0 Vdc
REPLACE
PCB
SILICONE PIPE &
NOZZLE, VALVE
CHECK: GAS
REGULATOR
SUPPLY,
OK?
REPLACE
YES
NO
GAS VALVE
RECTIFY &
RESTART TEST
IONISATION CHECK: Terminal 5 on plug X2 to Earth
ELECTRODE & LEAD,
CHECK:
SPARK GAP,
EARTH
CONNECTION
OK?
YES
NO
RECTIFY &
RESTART TEST
REPLACE
PCB
SECTION 8
WIRING DIAGRAMS
●
Connect the wires to the clock as shown in fig. 34.
●
Mount the clock to the clock bezel using the
screws provided.
●
Remove the factory fitted link between terminals
4 & 6 of the appliance terminal strip.
●
Connect the clock wires to the appliance terminal
strip as shown in fig. 34.
●
Replace the input board cover and appliance casing
once the clock installation has been completed.
8.3
EXTERNAL CONTROLS IMPORTANT (see 8.1)
Vokera recommend the use of the “S” plan system
of controls (see fig. 34B). However the “Y” plan
system of controls can be adapted for use with
the Eclipse by means of a relay (see fig.34A).
NOTE
Guidance on the recommended practice for the
installation of external controls, can be found in
CHeSS – HC1/HC2 (
www.energy-efficiency.gov.uk)
.