Domus SCF100-S Installation Instructions Download Page 2

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Sapphire Range SCF100

Centrifugal Fans 

These high quality extractor fans are designed to provide effective ventilation. To achieve this, please read these 

instructions carefully BEFORE installing the fan unit. Failure to comply with these instructions could reduce both the 

life and performance of the product and may invalidate the warranty. 

This product is suitable for use with up to a maximum of 6.0m of ducting. 

This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or 

mental capabilities or lack of experience and knowledge if they have been given supervision or instruction 

concerning use of the appliance in a safe way and understand the hazards involved. Children shall not play with the 

appliance. Cleaning and user maintenance shall not be made by children without supervision. 

IMPORTANT NOTE:

 Before commencing any work read the following instructions carefully and ensure you have the 

necessary competency to complete the work safely. 

WARNING: ISOLATE ELECTRICITY SUPPLY BEFORE STARTING WORK 

Installation

1. Select a suitable position for the fan that keeps the duct as short and as straight as possible (ideally on the

ceiling or on a wall within 400mm of the ceiling).

2. Cut a hole in the wall to suit the outside diameter of the ducting or wall-liner. Install the duct or wall-liner taking

care to seal at both ends between it and the wall using proprietary waterproof mastic. If required, connect further

ducting to the wall-liner, sealing between each joint or fitting.

3. Remove the front cover of the fan by pulling straight off the fan body (Diagram 1).

Diagram 1 

           Diagram 2 

4. Remove the four Posidriv screws retaining the body moulding and lift off (Diagrams 2).

5. Locate the fan back-plate into the wall-liner/duct and mark the four retaining screw positions (Diagram 3). Fit

screw anchors suitable for the wall construction.

6. Install the fan taking care to pass the supply cable through the cable entry point in the fan back-plate moulding

(Diagram 3).

Diagram 3

7. Complete the wiring by following the relevant wiring diagram on the following page (Diagram 4).

8. Reassemble the fan body and front cover using these instructions in reverse order.

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Wiring Instructions: 

It is recommended that the fans are connected into the lighting circuit, with double pole isolation (3mm minimum 

contact separation) provided before the room light switch and suitably fused, in accordance with the latest edition of 

the IEE Wiring Regulations. 

Wall mounted fans for fixed wiring should be connected to the power supply through a cable with solid conductors of 

1.0mm² or 1.5mm². 

ONLY SCF100LV SELV MODELS ARE SUITABLE FOR SHOWER CUBICLES OR ZONES 1 & 2  

(IN THIS RANGE)

WARNING: ISOLATE ELECTRICITY SUPPLY BEFORE STARTING WORK 

IF IN ANY DOUBT CONSULT A QUALIFIED ELECTRICIAN 

SL or T 

= 230Vac Switched Live

 L 

= 230Vac Permanent Live

 N 

= Neutral 

SCF100-S

SCF100-HPC (auto humidity only)

SCF100-T

SCF100-HPC (optional timer operation)

Diagram 4

V E N T I L A T I O N

V E N T I L A T I O N

LAB1108R    Issue 2     09/17

LAB1108R    Issue 2     09/17

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