3
5
Refer to Section
3.2
Refer to Section
3.3
Refer to Section
2.18
48
Installation and Servicing
Section 3 - Servicing
SER
VICING
Refer to Section
3.8
Refer to Section
3.5
1. Drain the DHW system.
2. Pull off the electrical connection.
3. Using a suitable tool, lift and remove the retaining clip.
4. Use the clip to ease the turbine sensor from its housing.
5. Reassemble with new sensor.
6. Check that the boiler operates in both DHW & CH
modes. Check for leaks.
Refer to Section
3.21
3.20 DHW FLOW TURBINE SENSOR REPLACEMENT
2
3
4
3.21 PRESSURE GAUGE REPLACEMENT
1. Drain the boiler.
2. Remove the boiler front (see section 3.2), lower the
control panel and remove the control box cover.
3. Ensuring there is no pressure in the system unclip the
‘C’ clip from the flow pipe port and remove the capillary
connection together with ‘O’ ring.
4. Releasing the two retaining clips on the pressure gauge
ease the pressure gauge through the front of the control
panel.
5. Fit the new pressure gauge from the front of the lower
control panel ensuring correct orientation. Locate push fit
connection into flow pipe ensuring ‘O’ ring in place and
secure with the ‘C’ clip.
6. Refill the boiler.
