48
Installation and Servicing
SECTION 3 - SERVICING
3.20 DHW FLOW TURBINE SENSOR REPLACEMENT
1.
Refer to Section 3.8.
2.
Drain the DHW system. Refer to
Section 3.19.
3.
Pull off the electrical connection.
4.
Using a suitable tool, lift and
remove the retaining clip.
5.
Use the clip to ease the turbine
sensor from its housing.
6.
Re-assemble in reverse order.
7.
Check operation of the boiler.
Refer to Sections 2.24 & 2.25.
1.
Refer to Section 3.8.
2.
Drain the heating system. Refer to Section
3.21.
3.
Remove the boiler front (See Section 3.8),
lower the control panel and remove the
control box cover.
4.
Ensuring there is no pressure in the system
unclip the C clip from the flow manifold port
and remove the capillary connection together
with ‘o’ ring.
5.
Releasing the two retaining clips on the
pressure gauge ease the pressure gauge
through the front of the control panel.
6.
Fit the new pressure gauge from the front of
the control panel ensuring correct orientation.
Locate push fit connection into port ensuring
‘o’ ring in place and secure with the C clip.
7.
Refill the boiler. Refer to Section 2.16.
8.
Check that the boiler operates in both DHW &
CH modes.
3.21 PRESSURE GAUGE REPLACEMENT
SER
VICING