Vent-Axia Silhouette 100B Assembly instructions

Installation and Wiring Instructions
Stock Ref. N°
45 40 55A (100B)
45 40 59A (150X)
45 40 56A (100T)
45 40 60A (150XT)
45 40 57A (100H)
45 40 61A (150XH)
45 40 58A (100TM)
PLEASE READ INSTRUCTIONS IN CONJUNCTION WITH ILLUSTRATIONS.
PLEASE SAVE THESE INSTRUCTIONS.
Silhouette
IPX4
220-240V~50Hz
Vent-
CE:

2
Installation and Wiring Instructions for the Silhouette Range of Extractor Fans.
IMPORTANT:
READ THESE INSTRUCTIONS
BEFORE COMMENCING THE
INSTALLATION
DO NOT install this product in areas where the following may be present or occur:
•Excessive oil or a grease laden atmosphere.
•Corrosive or flammable gases, liquids or vapours.
• Ambient temperatures higher than 40°C or less than –5°C.
• Possible obstructions which would hinder the access or removal of the Fan.
SAFETY AND GUIDANCE NOTES
A. All wiring to be in accordance with the current I.E.E. Regulations, or the appropriate
standards of your country and MUST be installed by a suitably qualified person.
B. The Fan should be provided with a local isolator switch capable of disconnecting all poles,
having a contact separation of at least 3mm.
C. Ensure that the mains supply (Voltage, Frequency, and Phase) complies with the rating
label.
D. The Fan should only be used in conjunction with the appropriate Vent-Axia products.
E. The fan should only be used in conjunction with fixed wiring.
F. When the Fan is used to remove air from a room containing a fuel-burning appliance,
ensure that the air replacement is adequate for both the fan and the fuel-burning appliance.
G. The Fan should not be used where it is liable to be subject to direct water spray for
prolonged periods of time.
H. Where ducted Fans are used to handle moisture-laden air, a condensation trap should be
fitted. Horizontal ducts should be arranged to slope slightly downwards away from the Fan.
I. This appliance is not intended for use by persons (including children) with reduced physical,
sensory or mental capabilities, or lack of experience and knowledge, unless they have
been given supervision or instruction concerning use of the appliance by a person
responsible for their safety.
J. Children should be supervised to ensure that they do not play with the appliance.
K. Stationary appliances not fitted with means for disconnection from the supply mains having
a contact separation in all poles that provide full disconnection under over voltage category
III, the instructions state that means for disconnection must be incorporated in the fixed
wiring in accordance with the wiring rules.
DESCRIPTION
The Silhouette 100mm fan is an axial extraction fan suitable for domestic bathrooms
and W.C’s. The Silhouette 150mm fan is an axial extraction fan suitable for domestic
kitchens and utility rooms. They are available as wall or panel mounted models with
shutter timer, humidity and PIR combinations.
ACCESSORIES (not supplied)
WALL FITTING KIT
A range of 100mm and 150mm wall kits are
available for installing into most walls using
telescopic liners supplied.
White Brown
100 254102 254100
140/150 140902A 140903A
Stock Reference

3
A. INSTALLATION
IMPORTANT: The fan should only be used in conjunction with fixed wiring.
PANEL/CEILING MOUNTING
1. For panel/ceiling mounting the fan should be installed into a closed duct system
of at least 1.2m long or protected by an exterior air grille that must comply with
the standard requirements of your country to prevent access to the fans
impeller.
2. Cut a 105mm diameter hole for 100mm fans or a 155mm diameter hole for
150mm fans.
3. Loosen the screw at the bottom of the grille and remove the front grille. Mark
the screw centres through the holes in the fan back plate. Drill, plug and screw
into position.
4. Replace the grille and tighten the retaining screw.
5. After installation, ensure impeller rotates freely and the shutters can open.
WALL MOUNTING
1. For wall mounting either cut a 115mm diameter hole for 100mm fans or a
170mm diameter hole for 150mm fans, through the wall and insert the wall
sleeve. Slope the sleeve slightly downwards away from the fan. Cut to length
and cement both ends into position flush with the wall faces.
2. Loosen the screw in the bottom of the grille and remove the front grille. Mark
the screw centres through the holes in the fan back plate. Drill, plug and screw
into position. Fix exterior grille into position with the louvres positioned
downwards. (Note:- The grille must comply with the standard
requirements of your country to prevent access to the fans impeller. The wall kit
used in this installation should provide a minimum ducting length of 60mm from
the fans back plate to the inside of the external grille).
3. Replace the grille and tighten the retaining screw.
4. After installation, ensure impeller rotates freely and the shutters can open.
B. WIRING.
WARNING: THE FAN AND ANCILLARY CONTROL EQUIPMENT MUST
BE ISOLATED FROM THE POWER SUPPLY DURING THE
INSTALLATION / OR MAINTENANCE.
IMPORTANT
•The fan should only be used in conjunction with fixed wiring.
•The cross - sectional area of supply cord used should be ranged from 1 -
1.5mm2.
•Cable entry can only be made from the rear of the fan.
•The extraction fan is suitable for connection to 220-240V 50Hz supply.
•The fan is a class ll double insulated product and MUST NOT be earthed.

4
1. Select and follow the appropriate wiring diagram. (Fig. 2,3 or 4)
2. Check all connections have been made correctly and ensure all terminal
connections and cable clamps are securely fastened.
3. Ensure the impeller rotates and is free from obstructions.
C. SETUP
WARNING: THE FAN AND ANCILLARY CONTROL EQUIPMENT MUST
BE ISOLATED FROM THE POWER SUPPLY DURING THE
INSTALLATION / OR MAINTENANCE.
SILHOUETTE 100B/150X
Single speed fan. Controlled by remote switch (e.g. light switch or auto sensor) Fig.2.
SILHOUETTE 100T/150XT
Single speed with overrun timer. The fan can be wired to a lighting circuit switch.
Fig.4. or wired for a basic on/off operation wire as Fig 3.
When switched ‘ON’, the fan will operate at full speed and will continue to run for a
pre-set time after the switch is turned ‘OFF’.
TIMER ADJUSTMENT
BEFORE ADJUSTING THE TIMER, SWITCH OFF THE MAINS SUPPLY.
TIMER SHOULD ONLY BE ADJUSTED BEFORE OR DURING
INSTALLATION.
1. Remove the fan grille. The controller is factory set at 15 minutes approx.
The overrun time period can be adjusted from 5-25 minutes by altering
the adjuster on the control PCB.
2. To REDUCE the operating time, use a small screwdriver to turn the
adjuster Fig.5. ANTI-CLOCKWISE.
3. To INCREASE the operating time, use a small screwdriver to turn the
adjuster Fig.5. CLOCKWISE.
4. Replace the fan grille.
SILHOUETTE 100H/150XH
The fan contains an integral humidity controller. In automatic mode the controller
switches the fan on at full speed when the room Relative Humidity (RH) reaches the
set-point. The fan will continue to run until the room RH falls below the set-point.
Fig 2 and 6.

5
HUMIDITY SET-POINT ADJUSTMENT
BEFORE ADJUSTING THE CONTROLLER, SWITCH OFF THE MAINS
SUPPLY. HUMIDISTAT SHOULD ONLY BE ADJUSTED BEFORE OR
DURING INSTALLATION.
1. Remove the fan grille. The controller is factory set to switch on at about
70% RH. The humidity set point can be adjusted from 65-95%RH by
altering the adjuster on the control PCB.
2. To LOWER the set-point use a small screwdriver to turn the adjuster
Fig.6. ANTI-CLOCKWISE. This makes the controller MORE sensitive.
3. To RAISE the set-point use a small screwdriver to turn the adjuster Fig.6.
CLOCKWISE. This makes the controller LESS sensitive.
4. Replace the fan grille.
NOTE! DO NOT TOUCH HUMIDITY SENSOR.
SILHOUETTE 100TM
Single speed with PIR (passive infra-red) detector and overrun timer. The fan starts
automatically when a movement is detected and will continue to operate for the set
overrun time period.
(See ‘Timer Adjustment’ section above) Fig. 2 and 5.
D. SERVICING AND MAINTENANCE.
WARNING: THE FAN AND ANCILLARY CONTROL EQUIPMENT MUST
BE ISOLATED FROM THE POWER SUPPLY DURING MAINTENANCE.
1. At intervals appropriate to the installation, the fan should be inspected and
cleaned to ensure there is no build up of dirt or other deposits.
2. Wipe the inlets and front face with a damp cloth until clean.
The fan has sealed for life bearings, which do not require lubrication.
Fig.1.

6
Fig.4
Fig.2
Fig.3
Timer model wired as a Basic version (link between L & LS enables fan to switch on or off when power is put onto the fan).
Fig.6.
Humidity
Adjustment
Fig.5.
Timer
Adjustment
abc
Head Office: Fleming Way, Crawley, West Sussex, RH10 9YX. Tel: [phone] Fax: [phone]
UK NATIONAL CALL CENTRE, Newton Road, Crawley, West Sussex, RH10 9JA
SALES ENQUIRIES: Tel: [phone] Fax: [phone]
TECHNICAL SUPPORT: Tel: [phone] Fax: [phone]
For details of the warranty and returns procedure please refer to www.vent-axia.com or write to Vent-Axia Ltd, Fleming Way, Crawley, RH10 9YX
439014H 0111
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