VOKERA Eclipse 216 ESS Installation & Servicing Instructions Manual - page 17
Supplied By www.heating spares.co Tel. 0161 620 6677
15
the appliance, remove the appliance casing as
described in section 4.8.1. Drain the water content
from the appliance via the safety valve. Ensure
some water absorbent cloths are available to
catch any residual water that may drip from the
appliance or removed component. Undertake a
complete commissioning check as detailed in
section 5, after replacing any component.
ALWAYS TEST FOR GAS SOUNDNESS IF
ANY GAS CARRYING COMPONENTS HAVE
BEEN REMOVED OR DISTURBED.
6.5
PUMP HEAD (see fig. 18)
Carry out component removal procedure as de-
scribed in 6.4.
Using a 4mm Allen key or ‘T’ bar, unscrew and
remove the four Allen screws that hold the pump
in position, pull firmly on the pump head to release
it from the base. Disconnect the electrical leads.
Replace in the reverse order.
6.6
SAFETY VALVE (see fig. 19)
Carry out component removal procedure as de-
scribed in 6.4.
Disconnect the outlet pipe from the safety valve.
Remove safety valve locking screw from the
underside of the appliance manifold. Pull safety
valve free from manifold.
Replace in the reverse order.
6.7
AUTOMATIC AIR RELEASE VALVE (AAV)
Carry out component removal procedure as de-
scribed in 6.4.
Using a suitable pair of pump pliers, unscrew the
AAV from its position.
Replace in the reverse order.
Fig. 18
Fig. 19
6.8
PRESSURE GAUGE (see fig. 20)
Carry out component removal procedure as de-
scribed in 6.4.
Remove pressure gauge locking screw, located
on manifold, and withdraw the pressure gauge
pipe, locate the spring tabs on the pressure
gauge body, push and hold tabs in, to enable
extraction of the gauge from its location.
Replace in the reverse order.
6.9
NTC THERMISTORS (temperature sensors)
Carry out component removal procedure as de-
scribed in 6.4.
Flow & return sensors (see fig. 1 & 21)
Pull back protective boot and remove the 2 spade
connectors. Slacken and remove the 2 securing
screws.
Replace in the reverse order.
6.10
PRINTED CIRCUIT BOARD (PCB) (see fig. 22)
Carry out component removal procedure as de-
scribed in 6.4.
●
Locate and remove the 4 screws that secure
the PCB housing cover, then remove cover.
●
After carefully taking note of all wiring connections,
disconnect all wiring from the PCB.
●
Locate and remove the PCB housing securing
screws, remove PCB housing.
●
Remove the 4 screws that secure the
transformer to the PCB housing.
●
Locate and remove the 3 screws that secure
the PCB to the housing.
Replace in the reverse order.
Fig. 20
Fig. 21
Pressure gauge
connection
Locking screw
Manifold
Locking screw
Safety valve
Screw
Screw