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Installation Instructions
Silavent Sapphire Range
GTF150 Energy Efficient Axial Wall Fans
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Silavent Sapphire | Green Line
GTF150 Energy Efficient Axial Wall Fans
These high quality bathroom and toilet 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 1.5m of ducting.
This fan 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 wall position for the fan that keeps the duct as short and as straight as possible (ideally 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
3. Remove the front cover of the fan by pulling the fan back-plate straight off (Diagram 1)
Diagram 1 Diagram 2 Diagram 3
4. Position the fan in the duct and mark the four retaining screw positions through the backplate. Fit screw anchors
suitable for the wall construction
5. Remove the central terminal cover by first removing the central Posidriv® retaining screw (Diagram 2)
6. Unclip and remove the fan wall-mounting plate (Diagram 3)
Diagram 4
7. Complete the wiring by following the relevant wiring diagram on the following page (for cable entry detail see
Diagram 4)
8. Reassemble using these instructions in reverse
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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 GTF100LV 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 = 230 Vac Switched Live L = 230 Vac Permanent Live N = Neutral
Diagram 5
GTF150-S
GTF150-PC
Diagram 6
GTF150-T
GTF150-H
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Range:
GTF150-S Standard
GTF150-PC Pull-cord switch
GTF150-T Overrun timer
GTF150-H Humidistat and optional overrun timer
Operation:
Overrun timer adjustment – models fitted with overrun timers only
Before making any adjustments, isolate the fan from the power supply. Remove the cover of the fan and adjust the
timer accordingly.
Humidity adjustment – humidistat models only
Before making any adjustments, isolate the fan from the power supply. Remove the cover of the fan and adjust the
humidity sensor accordingly.
Performance: 60 l/s at 0 Pa – 50 Pa at 0 l/s
Rating: 230V 50Hz 29W IPX4 SFP 0.48W/l/s
This product is double insulated and does not require an earth conductor.
Maximum room temperature 40ºC.
Contact address:
Polypipe Ventilation
Sandall Stones Road
Kirk Sandall Industrial Estate
Kirk Sandall, Doncaster
DN3 1QR
Tel: +44 (0)3443 715523
Fax: +44 (0)3443 715524
International Tel: +44 (0)1302 348878
International Fax: +44 (0)1302 348879
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