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Mounting the fan in the hole
Fig. C
If working above ground floor level, appropriate safety
precautions must be observed.
Remove the Back Draught Shutter/Grille Assembly, by pressing
the release catches located on the sides of the unit with a
6mm screwdriver or coin, whilst pulling the grille forward.
If fixing with ladder strips
1. Hold up the outer grille to the outside of the wall or
window so that the hole in the outer grille is aligned
with the hole in the wall or window.
2. If wiring from the rear, remove the fans terminal cover
and rear entry knockout. Feed the cable through the
top cable entry.
2b. If wiring from above, remove fans terminal cover and feed
the cable through the top cable entry.
3. Hold the fan assembly to the inside of the wall or window
and guide the ladder strips from the outer grille through
the slots in the fan assembly.
4. Insert the slotted screws into the pockets around the
ladder strip slots.
5. Tighten the screws carefully to make a good seal.
Do not over tighten the screws.
6. Trim the ladder strips back to the required length,
if necessary remove any sharp edges.
If using screw fixings
1. Hold the outer grille up to the outside of the wall so
that the hole in the outer grille is aligned with the hole
in the wall.
2. Mark the positions of the fixing holes in the top right
and bottom left corners.
3. Drill the holes and insert anchor fixings to suit the wall.
4. Screw the outer grille securely in place and fit screw
caps in place. Do not over tighten screws.
5. Insert the two screw covers in the two fixing holes in
the outer grille.
6a. If wiring from the rear, remove the fans terminal cover,
and rear entry knockout. Feed the cable through
the knockout.
6b. If wiring from above, remove the fans terminal cover
and feed the cable through the top cable entry.
7. Hold the fan assembly to the inside of the wall so that
the spigot is inserted into the wall duct.
8. Mark the position of the two fixing holes in the top left
and bottom right corners.
9. Remove the fan assembly, drill the holes and insert
anchor fixings appropriate to the type of wall.
10. Reposition the cable and fan assembly as before,
and screw securely in place. Do not over tighten screws.
Note: For particularly difficult installations, it is possible
to secure the fan with a combination of screw and ladder
strip fixings.
Wire the electrical connection
1. Wire the switch cable into the terminal connections shown:
l Fig.E1 for GX6/GXC6/GXC6T.
l Fig.E2 for GX6T/GX6HT.
l Fig.E3 for GXHT2.
2. If the fan is wired from above, ensure the outer sheath
of cable is retained in the labyrinth (see Fig.C).
3. Refit and secure terminal cover.
4. Refit the back draught shutter/grille assembly by sliding
the grille back over the release catches, the catches will
locate and secure the grille.
5. Switch off the mains electricity supply and remove fuses.
6. Connect the cable from the isolation switch to the
electrical supply wiring.
7. Replace the fuses and switch on the mains electrical supply.
For fixed wiring circuits the protective fuse for the
appliances must not exceed 5A.
Note: If using an external boost switch for the GX6HT2
(see Fig.E3), cut off the pull cord after ensuring that it is in
the 'off' position. This switch must be marked with suitable
markings to indicate speed control.
Operating the Fan
l These fans are single speed, except the GX6HT2 which
is two speed, and all are non reversible (extract only).
l 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 (except GXC6 model).
For Australia Only: WARNING –
Children should not play with the
appliance. Young children and
the infirm should be supervised.
GX6
l The fan is operated by a remote switch.
GXC6
l The fan is operated by an integral pull cord.
l To switch on, pull down the cord and then release it.
l Repeat to switch off.
GXC6T
l The fan is operated by an integral pull cord.
l To switch on, pull down the cord and then release it.
l Repeat to switch off.
l The integral timer provides an adjustable overrun period
after the fan has been switched off.
GX6T
l The fan is operated by a remote switch. The fan indicator
light shows when it is switched on.
l An integral timer provides an adjustable overrun period
after the fan is switched off.
GX6HT
Condensation operation
l The fan operates automatically if the relative humidity
is above the set level.
l The integral timer provides an adjustable overrun period
after the relative humidity level has fallen.
Switched operation
l A manual operation remote switch starts the fan. The fan
indicator light shows when it is switched on.
l The integral timer provides an adjustable overrun period
after the fan has been switched off.
GX6HT2
Condensation operation
l The fan operates automatically at low speed if the
relative humidity rises above the set level.
l The integral timer provides an adjustable overrun period
after the fan has been switched off.
Boost operation
l The integral pull cord switches the fan on to run at high
speed. The fan indicator light shows when high speed
has been selected.
l A remote switch may be used as an alternative to the pull
cord. If this is used, cut off the pull cord, after ensuring
that the pull cord switch is in the 'off' position.
GX6T/GXC6T/GX6HT
and GX6HT2 only
Before making any adjustments, isolate the fan completely
from the mains electricity supply.
Adjusting the timer overrun
The overrun timer is factory preset at approximately
20 minutes. The time is adjustable between approximately
2 to 20 minutes.
1. Remove the back draught shutter/grille assembly
(see 'Mounting the fan in the hole' section).
2. Turn the adjuster marked 'T' anticlockwise to reduce
the timer overrun (see Fig.H).
3. Turn the adjuster clockwise to increase the timer overrun
(see Fig.H).
4. Replace the back draught shutter/grille assembly
(see 'Mounting the fan in the hole' section).
Adjusting the humidistat setting
The internal humidity sensor is factory set at approximately
70%. The level is adjustable between approximately 50%
and 90% relative humidity.
Remove the back draught shutter/grille assembly
(see 'Mounting the fan in the hole' section).
Turn the adjuster marked 'H' anticlockwise to decrease the
relative humidity level of the room (see Fig. 1).
Turn the adjuster clockwise to increase the relative humidity
level of the room (see Fig.l).
Replace the back draught shutter/grille assembly
(see 'Mounting the fan in the hole' section).
Components Fig. D
Trickle ventilation is equivalent to that provided by an
airbrick or similar device.
1. Remove the back draught shutter/grille assembly
(see 'Mounting the fan in the hole' section).
To allow trickle ventilation
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.F item 6).
To fully close the shutters
and stop any back draught
4. Pull the trickle vent catch towards you until it clicks
into position.
5. Refit the back draught shutter/grille assembly, see
'Mounting the fan in the hole' section, ensuring that
the actuator lever is in the 'fully down' position.
Maintenance
A QUALIFIED ELECTRICIAN MUST CARRY OUT ALL CLEANING.
NOTE: THE FAN WILL CONTINUE TO OPERATE WITH THE
INNER GRILLE REMOVED HENCE IT MUST BE ISOLATED
COMPLETELY FROM THE MAINS BEFORE ANY WORK IS
CARRIED OUT.
1. Before cleaning, isolate the fan completely from
the mains electricity supply. Allow 3 minutes for the
impeller to stop rotating and the powered shutter
to close. (Cleaning on the GXC6 can begin once the
impeller has stopped rotating).
2. Remove the back draught shutter/grille assembly by
pressing the release catch located on the side of the unit
with a 6mm screwdriver or coin, whilst pulling the grille
forward. To remove the back draught shutter, lay face
down and pull shutter forwards see Fig.G1 and Fig.G2.
3. To remove the impeller. Unscrew the central screw
and remove it together with the washer. Place screw
and washer to one side.
4. To clean the impeller, either wipe it with a damp,
lint free cloth or wash it in warm soapy water.
Thoroughly dry the impeller and refit. Replace the
screw and washer ensuring that they are securely fitted.
5. Clean the back draught shutter/grille assembly and
impeller in warm soapy water. Do not use strong
detergents or chemical cleaners.
6. Thoroughly dry the back draught shutter/grille assembly
and refit by sliding the grille back over the release
catches, the catches will locate in and secure the grille
(see Fig.G3 and Fig.G4).
7. Do not immerse the fan in water or other liquids to clean
any other parts of the fan.
Never use strong solvents to clean the fan.
Apart from cleaning, no other maintenance is required.
Components Fig. D
1. Back draught shutter.
2. Fan assembly.
3. Outer grille.
4. Ladder strips.
5. Terminal cover.
6. Trickle vent catch.
7. Rear cable entry.
8. Top cable entry.
9. Rating plate.
10. Lugs for screw mounting.
11. Grille.
12. Screw hole caps.
13. Actuator lever.
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