Installation Requirements - Bristan Oval Tap Series Installation Instructions & User Manual

Installation Requirements

Installation Requirements
Installation Requirements Installation Requirements
IMPORTANT - - - - PLEASE READ IMPORTANT IMPORTANT IMPORTANT PLEASE READ PLEASE READ PLEASE READ
This/these fitting/fittings needs/need to be This/these fitting/fittings needs/need to be This/these fitting/fittings needs/need to be This/these fitting/fittings needs/need to be
installed in accordance with the following installed in accordance with the following installed in accordance with the following installed in accordance with the following
Installation Requirements and Notes (IRN) Installation Requirements and Notes (IRN)
Installation Requirements and Notes (IRN) Installation Requirements and Notes (IRN)
to ensure they meet the requirements of to ensure they meet the requirements of to ensure they meet the requirements of to ensure they meet the requirements of
the Water Supply (Water Fittings) the Water Supply (Water Fittings)
the Water Supply (Water Fittings) the Water Supply (Water Fittings)
Regulations 1999 and the Scottish Byelaws Regulations 1999 and the Scottish Byelaws Regulations 1999 and the Scottish Byelaws Regulations 1999 and the Scottish Byelaws
2004. 2004.
2004. 2004.
IRN R001 - - - - OL ½ C, OL ¾ C, OL EBASNW IRN R001 OL ½ C, OL ¾ C, OL EBASNW
IRN R001 IRN R001 OL ½ C, OL ¾ C, OL EBASNW OL ½ C, OL ¾ C, OL EBASNW
C, OL TBAS C, OL 1HBF C, OL BF C, OL C, OL TBAS C, OL 1HBF C, OL BF C, OL C, OL TBAS C, OL 1HBF C, OL BF C, OL C, OL TBAS C, OL 1HBF C, OL BF C, OL
BSM C BSM C
BSM C BSM C
See text of entry for Installation
Requirements or Notes.
IRN R006 - - - - OL ½ C, OL ¾ C, OL EBAS C, OL IRN R006 IRN R006 IRN R006 OL ½ C, OL ¾ C, OL EBAS C, OL OL ½ C, OL ¾ C, OL EBAS C, OL OL ½ C, OL ¾ C, OL EBAS C, OL
EBASNW C, OL TBAS C EBASNW C, OL TBAS C
EBASNW C, OL TBAS C EBASNW C, OL 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 installation in any premises to protect against
a backflow risk up to a Fluid Category 5.
IRN R010 IRN R010 IRN R010 - - - - OL EBAS C, OL EBASNW C, OL IRN R010 OL EBAS C, OL EBASNW C, OL OL EBAS C, OL EBASNW C, OL OL EBAS C, OL EBASNW C, OL
TBAS C, OL BF C TBAS C, OL BF C TBAS C, OL BF C TBAS C, OL BF C
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 valve
valve valve
prevention device shall be fitted immediately
upstream of both hot and cold water inlets.
IRN R040 IRN R040 IRN R040 IRN R040 – – – – OL BSM C OL BSM C OL BSM C OL BSM C
The fitting shall be installed so that its outlet
discharges above the spill-over level of any
fixed appliance as indicated below:-
For backflow protection in domestic or For backflow protection in domestic or
For backflow protection in domestic or For backflow protection in domestic or
installations up to, and including, Fluid installations up to, and including, Fluid installations up to, and including, Fluid installations up to, and including, Fluid
Category 3. Category 3.
Category 3. Category 3.
04
Schedule 2 Schedule 2- - - - 15 (1) Schedule 2 Schedule 2 15 (1) 15 (1) 15 (1)
'Listed' single check 'Listed' single check 'Listed' single check
1.
Size of tap or combination
fitting.
1. Not exceeding 1/2 in
2. Exceeding 1/2 in but not
exceeding 3/4 in
3. Exceeding 3/4 in
If the fitting cannot be installed as indicated
in the table it shall be installed:
a) with an approved double check valve
assembly or some other no less
effective backflow prevention device
immediately upstream of the inlet; or
b) so that it draws water by gravity only b) so that it draws water by gravity only
from a cistern, or cylinder having a
permanently open vent pipe, and the
distributing pipe supplies no other
fitting (other than draining tap) at a
lower level.
For backflow protection in premises or For backflow protection in premises or For backflow protection in premises or For backflow protection in premises or
installations up to, and including Fluid installations up to, and including Fluid installations up to, and including Fluid installations up to, and including Fluid
Category 5. Category 5.
Category 5. Category 5.
The vertical distance of the outlet above the
spill-over level shall be not less than 20mm
or twice the diameter of the inlet pipe to the
fitting, which ever is the greater.
If the fitting cannot be installed as indicated it
shall be installed with a backflow prevention
arrangement suitable for the Fluid Category.
IRN R070 – – – – OL BID C IRN R070 OL BID C
IRN R070 IRN R070 OL BID C OL 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.
2.
Vertical distance of outlet
above spill-over level.
20mm
25mm
70mm