CYFAN-C EXTRACT FANS
INSTALLATION AND MAINTENANCE
9
10. 05. 17. Leaflet Number 691500
SECTION 3.0
FITTING THE PRODUCT
WINDOW MOUNTING
3.11 Fitting the window kit cont.
3.
Back draught Shutters (see fig 2 and fig 19. are clipped into Inner
clamp and the spring is fitted in the lower position.
4.
Position the assembly on the outside of the glass. If only one
person is installing the fan it may be helpful to tape the assembly
to the outside glass at this stage during installation as all fixings
and assembly are completed from inside.
5.
Working from inside the room with the clamp. Position this inner
clamp over the hole in the glass and and line up the 4 mounting
holes.
6.
Select appropriate screws from the screws kit supplied for
mounting into different thicknesses of glass, see table below.
Should the screws foul on the back of the grille during
installation replace with the next size down. There are 2 long and
2 short screws for each thickness of glass, the shorter screws are
at the top.
7.
Using four screws locate with the screw bosses in the outer
assembly, draw the inner and outer assemblies together.
Remove any tape supporting the outer assembly and continue to
draw the units together until the ‘O’ ring is compressed on the
window. Note: do not over tighten the fixing screws as this may
distort the assembly.
8.
Wire unit in accordance with the appropriate wiring diagram.
A cable clamp is provided inside the case. Note: the remaining
installation procedures for Window Mounting are as the
description in section 3.10.
Window mounting Screws
Window thickness
Screw size
2 off
4mm - 11mm
No8 x1” CSK HD
2 off
No8 x1-1/2” CSK HD
2 off
12mm - 21mm
No8 x1-1/2” CSK HD
2 off
No8 x1-3/4” CSK HD
2 off
22mm - 32mm
No8 x1-3/4” CSK HD
2 off
No8 x2-1/4” CSK HD
Fig 19. Spring assembly. (Also see fig 2).
Backdraught
Shutter x 2
Spring
Inner Clamp
Window Cover and
Outside Clamp Assembly
Window Inside Clamp
Backdraught Shutter x 2
Spring
Fan Skirt and
Body Assembly
180394 Pan Head Screws x 4
Window Screw
short x 2
Window 4mm to 32mm thick glass
cut 125mm dia. hole for fan
Cable entry
Window Screw long x 2
Fig 20. Window mounting using the optional window mounting kit. The window kit is designed for mounting the unit into windows
4mm to 32mm thick using a 125mm dia. hole in the glass.