8
Alpha CombiMax 350 and 600
4.3
CONVERT THE BOILER FOR FITTING THE COMBIMAX - Figs. 3, 4, 5 and 6
The boiler may be converted before or after mounting it onto the
wall as described below.
When mounting the boiler onto the wall follow the installation
instructions supplied with the boiler.
Note: Do not connect the pipework, electrical mains supply or
fit the flue until the CombiMax has been fitted.
1.
Lower the front cover and loosen the two fixing screws
securing the control panel as shown in Fig. 3.
2.
Remove the left hand side panel of the boiler by removing
the top and two bottom screws as shown in Fig. 3.
Fig. 4
4.
Modify the differential pressure sensor (see Figs. 5
and 6) as follows:-
a.
Unscrew fitting 'A' and discard the components A,
B and C as shown in Fig. 5.
Fig. 5 - Differential pressure sensor BEFORE modification
b.
Screw fitting 'D' (supplied in the conversion kit) into
the sensor body as shown in Fig. 6.
Fig. 6 - Differential pressure sensor AFTER modification
5.
Re-assemble the differential pressure sensor into the boiler in reverse order.
Note: After converting the boiler, fit the label supplied in the conversion kit to the inside of the hinged cover so that it can be
seen when the cover is lowered.
Restrictor
Filter
Differential
pressure sensor
C
B
A
D
Fig. 3
3.
Remove the differential pressure sensor from the boiler using
the spanner provided as follows:-
Disconnect the two flow sensing pipes from the right hand
manifold, then unscrew and remove the end fitting containing
the filter/restrictor as shown in Fig. 4.