Vent-Axia SDX Series Assembly instructions
PLEASE READ INSTRUCTIONS IN CONJUNCTION WITH THE ILLUSTRATIONS.
PLEASE SAVE THESE INSTRUCTIONS
SDX
In-Line Centrifugal Duct Fans
Stock Ref. N°
SDX100C
SDX125C
SDX150C
SDX200C
SDX250C
SDX315C
SDX200HC
SDX250HC
SDX315HC
Installation and Wiring Instructions
220-240V~50Hz
2
Installation and Wiring Instructions for the
SDX IN-LINE CENTRIFUGAL DUCT FAN range.
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.
•Sudden ductwork bends or transformations close to 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 double pole isolator switch 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. It is recommended that the connection to the fan connecter terminals is made with flexible cable.
F. When the Fan is used to remove air from a room containing a fuel-burning appliance, precautions
must be taken to avoid back-flow of gases into the room from the open flue of gas or other 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. Young children should be supervised to ensure that they do not play with the appliance.
K. Note:- This is a class 1 appliance and MUST be earthed.
A. INSTALLATION.
The unit is designed as an in-line duct fan to be positioned between lengths of ducting. Short duct runs
terminating close to the fan (i.e. within 1.5m) must incorporate suitable guards unless the fan is mounted
higher than 2.1m above the floor. If flexible ducting is used it should be fully extended to obtain the best
results. Position the fan at the highest point on the system with both ducting runs sloping downwards
from this point. In circumstances where an excessive amount of moisture is present in the air then a
condensation trap should be installed. When siting the appliance ensure that there is sufficient space to
allow access for any servicing and maintenance.
Attaching the mounting foot
Fan mounting foot
Screw foot to fan as shown
Using the self drilling /
tapping screws provided. (A
pilot hole maybe required).
3
B. WIRING.
WARNING: THE FAN AND ANCILLARY CONTROL EQUIPMENT MUST BE ISOLATED
FROM THE POWER SUPPLY DURING THE INSTALLATION / OR MAINTENANCE.
THE SDX FANS ARE CLASS 1 AND MUST BE EARTHED.
1. Remove terminal box cover & put to one side.
2. Select and follow the wiring diagrams.
3. Check all connections have been made correctly and ensure all terminal connections and cable
clamps/glands are securely fastened.
4. The cable entry must be made using the knockouts provided.
5. Replace terminal box cover.
6. Ensure the impeller rotates and is free from obstructions
N~
EL
1 Phase Supply
(220-240V 50 Hz).
N
E
FAN TERMINALS
L
LN
Switched
spur
unit
230 Volt D.O.L. Starter
A suitable sized overload
relay must be fitted to
provide motor protection.
4
2
N.B. Links between
terminals 1 to A1 & 3 to 6,
must be fitted.
6
135
2395
96 24
A1
A2
E
N~ E
L
1 Phase Supply
(220-240V 50 Hz).
N
E
FAN TERMINALS
L
E
CAUTION: In order to avoid a hazard due to inadvertent resetting of the thermal cut-out, this appliance
must not be supplied through an external switching device, such as a timer, or connected to a circuit that
is regularly switched on and off by the utility.
C. OVER-HEATING PROTECTION.
The fan motor is fitted with Thermal Overload Protection. This will automatically switch the fan off in the
event of a fault condition. If this occurs isolate the fan, check for and remove any obstruction, leave for a
short time for the motor to cool before reconnecting. If this recurs, Isolate and call your service engineer.
4
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.
The SDX fans have sealed for life bearings, which do not require lubrication.
Head Office: Fleming Way, Crawley, West Sussex, RH10 9YX.
UK NATIONAL CALL CENTRE, Newton Road, Crawley, West Sussex, RH10 9JA
SALES ENQUIRIES: Tel: 0844 8560590 Fax: 01293 565169
TECHNICAL SUPPORT: Tel: 0844 8560594 Fax: 01293 539209
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
EU Authorised Representative: Vent-Axia Bedrijvenweg 17 7442 CX NijverdalNederland authorisedrep@vent-axia.nl
404861C 0221
The Guarantee
Applicable only to products installed and used in the United Kingdom. For details of guarantee outside
the United Kingdom contact your local supplier.
Vent-Axia guarantees its products for two years from date of purchase against faulty material or
workmanship. In the event of any part being found to be defective, the product will be repaired, or at
the Company’s option replaced, without charge, provided that the product:-
Has been installed and used in accordance with the instructions given with each unit.
Has not been connected to an unsuitable electricity supply. (The correct electricity supply
voltage is shown on the product rating label attached to the unit).
Has not been subjected to misuse, neglect or damage.
Has not been modified or repaired by any person not authorised by the company.
IF CLAIMING UNDER TERMS OF GUARANTEE
Please return the complete product, carriage paid to your original supplier or nearest Vent-Axia Centre,
by post or personal visit. Please ensure that it is adequately packed and accompanied by a letter
clearly marked “Guarantee Claim” stating the nature of the fault and providing evidence of date and
source of purchase.
The guarantee is offered to you as an extra benefit, and does not effect your legal rights
This manual suits for next models
9
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