Technical data

24
Linea 24 & 28
8.9 Flue Fan
Part No. 24-5910 28-5911
8.9.1 Remove room sealed front cover plate (8.5)
and front of combustion chamber (8.6.3).
8.9.2 Loosen maintenance clip securing screws
(see fig. 31) and slide upwards to clear joint.
8.9.3 Remove silicone pipes from nozzles on inner
flue bend
8.9.4 Remove 5 flue hood retaining screws (see fig.
31).
NOTE: When removing the two side screws
the two air baffle plates can be removed.
8.9.5 Carefully slide flue hood forward disconnecting
electrical leads on fan in the process.
8.9.6 Unscrew 4 screws securing fan to flue hood
and remove fan. Transfer aluminium
manifold (two screws) to new fan.
8.9.7 Reassemble in reverse order, replacing cen-
tre hood screw first.
8.10 Flue Pressure Differential Switch
Part No 24&28-9232
Refer to Fig. 31
8.10.1 Gain general access as 8.4
8.10.2 Remove room sealed cover (8.5)
8.10.3 Remove 2 screws holding pressure differen-
tial switch to the combustion chamber.
8.10.4 Pull off tab connectors and remove pressure
switch, disconnecting the air pressure pipes in
the process.
8.10.5 Reassemble in reverse order.
See fig. 41&43 for correct fitting of electrical
connections. When reconnecting the pres-
sure pipes the upper nozzle on the inner flue
bend connects to:
The front nozzle of the pressure differential
switch.
8.11 Combustion Chamber Insulation Boards
8.11.1 Gain general access as 8.4
8.11.2 Remove room sealed front cover 8.5
Remove front of combustion chamber 8.6.3.
Remove Main Heat Exchanger 8.8.
8.11.3 To remove side combustion chamber insula-
tion boards, gently prise upwards and pull out.
8.11.4 To remove rear board, gently prise upwards
and pull out.
8.11.5 Fourth panel (front) is replaced complete with
combustion chamber front panel.
Fig. 31
Hood
Retaining
Screws
Air
baffle
plate
Maintenance clip
Pressure
differential switch
Air
tubes
Air
baffle
plate