Baxi Combi 130 HE Installation And Servicing Instructions page 38

Fig. 70
Plate Heat
Plate Heat Exchanger
Exchanger Cover
Fig. 71
Clip
Inline Electrical
Connection
DHW Inlet
Connection
38
Supplied By www.heating spares.co Tel. 0161 620 6677
Plate Heat Exchanger
Securing Screws
'O' Rings
Flow Switch
Manifold to Pump
Clip
Fig. 72
13.0 Changing Components
13.14 DHW Plate Heat Exchanger
1. Drain the boiler
(see Section 13.1 paragraph 2 & 3).
2. Remove the four screws securing the plate
heat exchanger to the manifolds (Fig. 70).
NOTE: Ensure nuts are not dislodged from the
manifolds.
3. Remove the plate heat exchanger cover
(Fig. 71)
4. Remove the 'O' rings from the manifolds and
replace with new 'O' rings (Fig. 71).
5. Taking care not to displace the 'O' rings fit the
new plate heat exchanger ensuring the nuts are
retained in the manifolds.
6. Refit the plate heat exchanger cover.
13.15 DHW Flow Switch (Fig. 72)
1. Drain the boiler
(see Section 13.1 paragraph 2 & 3).
2. Remove the DHW plate heat exchanger (see
section 13.14).
3. Disconnect the inline electrical connection.
4. Remove the clip at right hand side of the flow
switch.
5. Undo the DHW inlet connection.
6. Remove the flow switch assembly and undo
the second clip.
7. Fit the new flow switch and reassemble in
reverse order.
8. Ensure that both clips are fully inserted from
the front.
9. Fit the DHW plate heat exchanger.