Installation Requirements - Bristan QD 1/2 C Installation Instructions & User Manual

Installation Requirements

IMPORTANT - PLEASE READ
This/these fitting/fittings needs/need to
be installed in accordance with the
following Installation Requirements and
Notes (IRN) to ensure they meet the
requirements of the Water Supply (Water
Fittings) Regulations 1999 and the
Scottish Byelaws 2004.
IRN R001 - QD ½ C, QD ¾ C, QD SMBAS C,
QD EBAS C, QD EBASNW C, QD TBAS C, QD
BF C, QD BSM C
See text of entry for Installation
Requirements or Notes.
IRN R005 - QD BF C, QD BSM C
This tap or combination tap assembly has a
Type AUK2 air gap and is therefore only
suitable for installation in domestic premises
or in other premises to protect against a
backflow risk up to a Fluid Category 3, unless
additional backflow protection for the higher
risk is included in the installation.
IRN R006 - QD ½ C, QD ¾ C, QD SMBAS C,
QD EBAS C, QD EBASNW C, QD TBAS C
This tap or combination tap assembly has a
Type AUK3 air gap and is therefore for
installation in any premises to protect against
a backflow risk up to a Fluid Category 5.
IRN R010 – QD SMBAS C, QD EBAS C, QD
EBASNW C, QD TBAS C, QD BF C
Schedule 2-15 (1)
Water supplies shall be a reasonably
balanced pressures from a common source
(e.g. hot and cold supplies both from the
same storage or both from a supply pipe).
Where the fitting is supplied from
unbalanced supplies (e.g. hot and cold
supplies from separate sources) a 'Listed'
single check valve or some other no less
effective backflow prevention device shall
be fitted immediately upstream of both hot
and cold water inlets.
04
IRN R030 - QD BSM C - Schedule 2-15 (1)
Multiple inlet fittings installed in domestic
premises or in other premises to protect
against a backflow risk up to a Fluid
Category 3, incorporating a self cancelling
diverter acceptable as a backflow
prevention device (HC) and having an
AUK2 or AUK3 air gap, shall be installed
in accordance with IRN R010.
Multiple inlet fittings installed in premises
other than domestic to protect against a
backflow risk up to a Fluid Category 5,
incorporating a self cancelling diverter
acceptable as a backflow prevention
device (HC only) and having an AUK2 or
AUK3 air gap, shall be installed in
accordance with IRN R010. Alternatively
the fitting shall be supplied in accordance
with IRN R040 unless the shower head is
constrained above the spill-over lever of
the bath, wash basin or shower tray.
IRN R070 – QD BID C
The water supply (Water Fittings)
Regulations 1999 and the Water Bylaws
2000, Scotland preclude the
connection of rim feed ascending spray
type bidets with hand – held spray
attachments directly to any supply
pipe.
Continued overleaf.