DV51 DV51CH
INSTRUCTION MANUAL
COMMISSIONING THE SYSTEM
The Building Regulations 2010, Statutory Instrument Part 9,
paragraph 42, imposes a requirement that testing and reporting of
mechanical ventilation performance is conducted in accordance
with an approved procedure .
Compliance with this requirement by an assessed and registered
“Competent Person” should follow a “Best Practice” process and
adopt air flow measurement, Method A - The Unconditional Method
- using a suitable UKAS certified measuring instrument. Generically
referred to as a “Zero Pressure Air Flow Meter” or “Powered Flow
Meter” .
Further information on this method is detailed in NHBC Building
Regulations Guidance Note G272a 10/13 and BSRIA “A Guide to
Measuring Air Flow Rates” document BG46/2015
WARRANTY
Applicable to units installed and used within the United Kingdom .
Airflow Developments Ltd guarantees the DV51 / DV51CH Adroit
unit for 5 YEARS from date of purchase against faulty material or
workmanship . Motors are only covered for 1 YEAR from date of
purchase against faulty material or workmanship .
In the event of any defective parts being found, Airflow
Developments Ltd reserve the right to repair, or at our discretion,
replace without charge provided that the unit:
• Has been installed and used in accordance with the fitting and
wiring instructions supplied with each unit .
• Has not been connected to an unsuitable electrical supply .
• Has not been subjected to misuse, neglect or damage .
• Has not been modified or repaired by any person not authorised
by Airflow Developments Ltd.
• Has been installed in accordance with latest Building Regulations
and IEEE wiring regulations by a recognised competent installer .
Airflow Developments Ltd shall not be liable for any loss, injury
or other consequential damage, in the event of a failure of the
equipment or arising from, or in connection with, the equipment
excepting only that nothing in this condition shall be construed as to
exclude or restrict liability or negligence .
This warranty does not in any way affect any statutory or other
consumer rights .
E-mail: info@airflow.com
Telephone: +44 (0) 1494 525252
airflow.com
©
Airflow Developments Limited. Airflow
Developments Limited reserve the right, in the
interests of continuous development, to alter
specifications without prior notice. All orders
are accepted subject to our conditions of sale
which are available on request
Certificate No. EMS 569454
BS EN 1SO 14001 : 2015
Certificate No. FM 00152
BS EN 1SO 9001 : 2015
Airflow Developments Limited
Aidelle House, Lancaster Road,
Cressex Business Park,
High Wycombe, Buckinghamshire,
United Kingdom, HP12 3QP
Call: 01494 560800
Visit: airflow.com
80000981
- Issue 1 02/20
