WALL MOUNTED
In the chosen position (as high on the wall as possible) cut a hole through the wall to take a
100mm duct for the fan discharge. This should slope downwards towards the outside to
allow for condensation drainage.
When this is done, position the building-in frame with the discharge outlet at the top right
over the duct hole. Mark around the frame and cut an aperture to take the frame and fan. It
is important that the front edge of the frame is flush with the surface of the wall.
If fitting in a solid wall the aperture should be at least 115mm deep. If installing in a cavity
wall with loose thermal insulation you will need to make a cavity liner.
When all the cutting is done, grout the frame into position making sure that the front edge of
the frame is flush with the wall. When the frame is in position, fit the discharge duct into
position from the outside and trim to length. Before grouting into position, seal the duct to
the building-in frame spigot. When duct is in position fit discharge grille (ANC 413D).
While fitting the building-in frame, provision must be made for the power supply cable.
Relevant wiring diagrams are on pages 9/10.
To fit the fan, first remove the front cover, this is retained by a screw on the bottom edge.
Enter the electrical contact pins and discharge into their sockets and push gently into
position. Retain fan with the four 6mm screws supplied. Refit front cover.
CEILING MOUNTED
Select a suitable position on ceiling for fan. Ensure that the chosen position is between and
square to the roof joists. Using the building-in frame as a template, mark and cut out the
square hole to fit the frame into. Cut and fit two noggins to fit between the joists. Position them
alongside the frame aperture so they will support the frame when it is in position. Fit the frame
into position ensuring the front edge is flush with the ceiling surface. Secure firmly by screwing
through the holes in the side of the frame into the joists or noggins.
The discharge from the fan may be ducted through a roof cowl or through the eaves. If ducting
through a cowl, provision must be made for condensation drainage. A condensation trap can
be made from flexible ducting as illustrated or you may use a purpose made product (ANC
582A).
If discharge is to exit through the eaves, the duct must slope downwards towards the outside
to allow for condensation drainage. To ensure maximum efficiency from the fan, flexible ducting
and bends must be kept to a minimum.
Please refer to pages 9/10 for relevant wiring diagrams.
To fit the fan first remove the front cover. This is retained by a screw on the bottom edge. Enter
the electrical contact pins and discharge into their sockets and push gently into position.
Retain fan with the four 6mm screws supplied and refit the front cover.
Installation using building-in frame
May 905B
(24 pages)
(58 pages)
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