11.0 Servicing the Boiler
27
11 .1
Annual Servicing
1. For reasons of safety and economy, it is
recommended that the boiler is serviced annually.
Servicing must be performed by a competent
person.
2. After servicing, complete the relevant section of
the “Benchmark” Installation, Commissioning and
Service Record Log Book. This should be in the
possession of the user.
3. Ensure that the boiler is cool.
4.
Ensure that both the gas and electrical
supplies to the boiler are isolated.
5. Slacken the screws securing the facia panel.
Lift the outercase panel so that its securing tabs
are clear of the facia. Remove the panel (Fig. 38).
6 Remove the facia securing screws and hinge
the panel down.
7. Remove the screws (2 on 12e, 18e, 24e - 4 on
28e) securing the inner door panel. Lift the panel
slightly to disengage it from the studs on top of
the case (Fig. 39).
8. Note the positions of the two sensing tubes on
the outlet elbow and three wires on the fan motor
and remove them (Fig. 40).
9. Slacken the screws on the outlet sealing collar.
Ease the collar upwards as far as possible
(Fig. 40).
10. Remove the four screws securing the
combustion box door and remove the door
(Fig. 39).
Fan Wires
Fan
Sensing
Tubes
Outlet Sealing
Collar
Combustion
Box Door
Inner Door
Panel
Case Front Panel
Ease Outlet Sealing
Collar Upwards
Fig. 38
Facia Panel
Securing Screws
Fig. 41
Fig. 40
Inner Door
Panel
Combustion
Box Door
12e,18e & 24e models
28e models
Summary of Contents for Performa System 12e
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