36
11.0
Changing Components - Page 35
11.9 Fan
(Fig. 70 & 71)
1. From outside remove the terminal guard and fan box
cover.
2. Undo the screw holding the fan outlet plenum to the fan
box. Manouvro the plenum from the box taking care not to
damage the rear gasket (Fig. 70a). Note the position of the
three wires to the fan and remove them. Disconnect the
sensing tube from the fan.
3. Rotate the complete fan approximately 20º anti-clockwise
to disengage it from the fan box. Lift the fan clear of the box.
4. Fit the new fan and reassemble in reverse order. When
reassembling, ensure that the rear gasket is in position
behind the plenum.
11.10
Air Pressure Switch
(Fig. 72)
1. From outside remove the fan box cover, 4 screws.
2. Remove the sensing tube from the fan. Undo the screws
holding the pressure switch bracket to the fan box. Pull the
bracket and switch from the box.
3. Note the position of the three wires to the pressure switch
and remove them. Undo the two screws retaining the switch
to the bracket and remove the switch.
4. Fit the new switch and connect the wires and sensing
tube as previously noted.
11.11
SolenoId Valve
(Fig. 73)
1. Remove the plug connecting the solenoid valve, noting
the position of the solenoid valve.
2. Undo the two union joints, one at each side of the valve
and remove the valve.
3. Renew the valve and reassemble in reverse order
ensuring it is fitted the correct way round and in the same
orientation as the original.
Summary of Contents for Belmont 2
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Page 11: ...11 4 0 Electrical Page 10 4 2 Schematic Wiring Diagram ...