
Simply Silent
Installation and Maintenance Instructions
C4SR (078339) Standard
C4TSR (078346) Timer
C4PSR (078353) Pull Cord
C4HTSR (078360) Humidistat, Timer
100mm Contour Fan
TM
Do read the entire instruction leaflet before commencing installation.
Do install each fan with a means for disconnection in all poles in the fixed wiring.
Do make sure the mains supply is switched off before attempting to make electrical connections or carry out any
maintenance or cleaning.
Please leave this leaflet with the fan for the benefit of the user.

This appliance can be used by children aged from 8 years
This appliance is intended for connection to fixed wiring.
Check that the electrical rating shown on each fan matches the mains supply.
THE APPLIANCE IS DOUBLE INSULATED AND DOES NOT REQUIRE AN EARTH CONNECTION.
All installations must be supervised by a qualified electrician. Installations and wiring must conform
to current IEE Regulations (UK), local or appropriate regulations (other countries).
All Xpelair Simply SilentTM Contour AC fans have the following features:
Two speed extraction (Selectable at installation)
Built-in back draught shutter
Replaceable Baffle. Fans are supplied with the Square Baffle fitted. This can be exchanged
with the spare Round Baffle supplied within the pack.
and above and persons with reduced physical, sensory
capabilities or lack of experience and knowledge if they have
been given supervision or instruction concerning the use of
the appliance in a safe way and understand the hazards
involved. Children shall not play with the appliance.
Cleaning and maintenance of the appliance shall not be
made by children.
C4SR - Operate the fan using an on/off switch (not supplied).
C4PSR - Operate the fan using an integral pull-cord.
C4TSR* - Built-in timer operates fan for a preset delay from 30 seconds to 30 minutes.
C4HTSR* - Operates when triggered automatically by the integral humidity sensor, or by using an external
on/off switch (not supplied).
In automatic mode: the built-in timer automatically operates the fan for a pre-set delay time from
30 seconds to 30 minutes once humidity drops below the pre-set Relative Humidity (RH) value.
External operation: When switched off using the external on/off switch the fan continues to run for
the preset delay from 30 seconds to 30 minutes.
* Factory settings: Timer 15 minutes, RH 75%

Back plate fixing positions
Wall tube quickfix clamps
Depress Cover Latch with tool &
remove Cover and Baffle Complete
Factory settings: Timer 15 minutes, RH 75%
Front Cover and duct breakouts