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6. Insert four screw covers (packed separately) in the fixing holes in the Inner Grille. When
removing the covers, place a 3mm blade electrician’s screwdriver into the slot and lever off the
cover.
7. Switch off the mains electrical supply and remove fuses.
8. Connect the cable from isolation switch to the electrical supply wiring.
9. Replace the fuses, and switch on the mains electrical supply.
For fixed wiring circuits the protective fuse for the appliance must not exceed 5A.
9. Operating the fan
Switch operated:
• To switch on and off, use the switch on the wall or ceiling.
Controller operated (PX9/12 only):
• Refer to the instructions for the controller.
• The shutters have a time delay of up to 1 minute on opening, and up to 3 minutes on closing.
Activated by operation of the switch, the delay ensures quiet operation.
For Australia only:
WARNING – Children should not play with the appliance. Young children and the infirm
should be supervised
Trickle ventilation
Trickle ventilation is equivalent to that provided by an air brick or similar device.
1. Remove the Inner grille and back draught shutter (see ‘Mounting the fan in the hole ’ section).
To allow trickle ventilation (PX6):
2. HOLD THE SHUTTER VANES FULLY OPEN.
3. Push down firmly on the trickle vent catch until it clicks into position then release the shutter
vanes. (See Fig.F1).
To allow trickle ventilation (PX9/12):
2. Release the Shutter Return Spring as shown in Fig. F2
3. Re-Position the Shutter Return Spring into the L-shaped slot.
4. Raise the operating Bar to latch into position.
To fully close the shutters and stop any back draught (PX6)
5. Pull the trickle vent catch towards you until it clicks into position.
6. Refit the Inner grille and back draught shutter, ensuring that the actuator lever is in the “fully
down” position.
To fully close the shutters and stop any back draught
(PX9/12)
5. Unlatch the Shutter Return Spring and re-position into short slot.
6. Refit the Backdraught Shutter and Inner Grille.
Maintenance
NOTE: A QUALIFIED ELECTRICIAN MUST CARRY OUT ALL CLEANING.
1
.
Before cleaning, isolate the fan completely from the mains supply. Allow 3 minutes for
the impeller to stop and the powered shutter to close.
2. Remove the inner grille and back -draught shutter (see section 6)
WARNING: Fan will still operate when the inner grille is removed.
To remove the impeller (PX6):
3. Unscrew the central screw and remove it together with the washer, Place screw and washer to
one side G1 (9).
To remove the impeller (PX9/12):
3. Remove the impeller by unscrewing the knob at the front of the impeller anticlockwise.
4. Clean the back draught shutter, inner grille and impeller by immersing in warm soapy water.
Dry thoroughly.
Do not immerse the fan in water or other liquids to clean any other parts of the f an.
To refit the impeller (PX6):
5. Refit the impeller and replace the screw and washer ensuring that they are securely fitted.
To refit the impeller (PX9/12):
5. Refit the impeller by locating it over the motor shaft and aligning the arrow on the impelle r
with the white dot on the motor. Make sure the impeller is seated correctly.
6. Refit the knob making sure the ratchet at the rear of the knob is fully engaged.
7. Refit the back draught shutter and inner grille assembly and secure with the 2 fixing scre ws.
Do not overtighten the screws.
8.
Refit the screw covers.
NOTE: THE FAN WILL CONTINUE TO OPERATE WITH THE INNER GRILLE
ASSEMBLY REMOVED, HENCE IT MUST BE ISOLATED COMPLETELY FROM
THE MAINS BEFORE ANY WORK IS CARRIED OUT.
• Never use strong solvents to clean the fan.
• Apart from cleaning, no other maintenance is required.
Components
1. Inner Grille 8. Screws (M4 x 10mm long)
2. Fan assembly 9. Impeller screw
3. Fan mounting box 10. Screws (No.8 x 55mm long)
4. Trickle vent catch 11. Selector switch
5. Back draught shutter 12. Customer connector
6. Terminal cover 13. Shutter return spring
7. Rating Plate 14. Operating bar.
B1
B2
B3
A
PX6
PX9
PX12
4
5
PX6
F2
F1 E
C D
1. 2.