16. Water Diverting Valve.
Refer to Figs. 30,33.
Check that the electricity supply to the appliance is turned off.
Drain the central heating and domestic hot water circuits as
described in Sections 16.3, a and b.
Hinge down the facia panel into the Servicing Position as
described in Section 15.3, c.
Remove the bottom panel, filling loop, water to water heat
exchanger and micro switch assembly as described in Section
15.3, d, and Sections 16.3, 15,18 and 21.
Pull off the support plate locating the water diverting valve to the
central heating plastic flow manifold on the left hand side of the
appliance.
Remove the wire clip securing the copper by-pass pipe to the
flow manifold.
Retain the support and plate and wire clip.
Carefully ease the by-pass pipe out of the manifold and allow the
pipe to swing forwards to clear the manifold connection.
Remove the screw securing the bracket, located at the right hand
end of the water diverting valve, to the appliance casing.
Remove the four screws located at the left hand side securing
plastic manifold to the appliance.
Remove the water diverting valve and plastic manifold assembly
clear of the appliance.
Ease the water diverting valve out of the plastic manifold.
Remove the securing bracket from the valve and the water filter
from the valve cold water inlet.
Retain the plastic manifold, fixing screws, support bracket and
water filter.
Discard the water diverting valve.
Reassemble the original support bracket, water filter and new
‘O’ ring seals to the replacement valve.
Lubricate the ‘O’ ring seal and push the plastic flow manifold
onto the valve.
Reassemble the water diverting valve and plastic manifold
assembly to the appliance in the reverse order.
Ensure all ‘O’ ring seals and fibre washers are renewed and
replaced correctly and the ‘O’ rings are lubricated.
Reassemble the appliance in the reverse order.
Open the valves and fill and re-pressurise the system as
described in Section 13.2.
22
Fig. 31. Circulating pump
Expansion vessel
Unscrew union fittings
Allen screws (4)
remove if changing
pump head only
Pump head
Pump
Electrical
connection
cover
Unscrew union
fitting
Fig. 32. Expansion Vessel
Strap
Cut
Support bar
Fig.33. Water Diverting Valve and Micro
Switch Assembly.
To remove plastic flow manifold
unscrew four screws
Copper by-pass
pipe
Remove wire
clip
Central heating
plastic flow
flow
Pull off support
plate
Drain tap C.H.
flow
Remove water diverting
valve and plastic manifold
assembly from appliance
before separating
Pull off circlip
to remove
micro switch
assembly
Securing bracket
remove screw
Water diverting valve
micro switch assembly
DHW Sensor
Summary of Contents for 24CDi BF
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