User Guide

Working with the Fan
If wiring to an existing installation
isolate mains supply and remove
applicable fuses prior to any
electrical procedure.
If the fan is already installed.
1. Ensure the power supply is isolated.
2. Disconnect the mains connections from the
fan’s terminal socket or from the terminal
block.
3. Remove the existing wiring and make it safe.
If the fan is not already installed.
1. Check that the fan electrical rating matches
the power supply.
2. Mount the fans in accordance with the
instructions supplied.
3. Route the four core cable from the controller
position to each fan.
4. Route the three core cable from controller
position to the isolator position.
If recess mounting
1. Make a hole in the wall big enough to take
the Wall Box.
2. Insert suitable glands into the knockouts.
3. Feed both cables through these glands.
4. Fix the Wall Box to the wall. Ensure that the
flange of the mounting frame fits flush to the
finished surface of the wall (Refer diagram F3.
5. Re-connect the earth lead to the Wall Box.
Mounting the Sensors
Using the two clips supplied, mount the
temperature sensors horizontally, without
touching the walls or ceiling.
Mount the sensor with the 10m cable in the
high level position.
Mount the sensor with the 1m cable in the
low level position suitably protected.
Install the cables in closed conduits, leaving
the other ends ready to wire into the
controller.
Wire the Controller electrical connections
1. Mount the Isolation Switch in accordance
with the manufacturers instructions.
2. Wire the Controller to the Isolation Switch and
to the Fan as shown in the appropriate
diagram F1.
3. Connect the sensor cables to the high and
low sensor terminals.
4. Connect any remaining fans in parallel.
5. Refit Mounting Frame to Metal Wall Box.
6. Refit the Fascia to the Mounting Frame.
7. Refit the Screw Covers.
Mounting the Controller
Remove the Cover and Mounting Frame.
1. Detach the Fascia from the Mounting Frame
by removing the screw covers and two
screws (Refer to Fig. 2a & b).
2. Detach mounting Frame from the Wall Box by
removing the two screws (Refer to Fig. 2c).
3. Lift the Wall Box away from the Plastic
Surround.
4. Check that the electrical rating shown inside
the controller matches the power supply.
5. Disconnect the earth wire from the Wall Box.
6. Make cable entry holes in the plastic and
metal boxes by removing suitable knockouts
(Refer to Fig. 1).
Mounting the Wall Box
Eye protection must be worn during
all drilling and chiselling operations.
Check there are no buried Pipes or
Cables in the wall or obstructions on
the outside e.g. Electricity, Gas,
Water.
If surface mounting
1. Insert suitable glands into the knockouts.
2. Feed both cables through the glands.
3. Fix the Wall Box and Plastic Surround to the
wall, using the mounting holes provided.
4. Re-connect the earth lead to the Wall Box.
F1
EN
N
L
NF
LF
LR
LF LR
LOW
HIGH
LN
2
5
6
3
4
1
FUSE 6.3 AMP F RATED