Bristan CAP BID C 설치 지침 및 사용자 설명서 - 페이지 5
{카테고리_이름} Bristan CAP BID C에 대한 설치 지침 및 사용자 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. Bristan CAP BID C 12 페이지.
페이지 인쇄4. Installation Requirements & Notes
4. Installation Requirements & Notes
4. Installation Requirements & Notes
4. Installation Requirements & Notes
These fittings need to be installed in
These fittings need to be installed in
These fittings need to be installed in
These fittings need to be installed in
accordance with the following Installation
accordance with the following Installation
accordance with the following Installation
accordance with the following Installation
Requirements and Notes (IRN) to ensure
Requirements and Notes (IRN) to ensure
Requirements and Notes (IRN) to ensure
Requirements and Notes (IRN) to ensure
they meet the requirements of the Water
they meet the requirements of the Water
they meet the requirements of the Water
they meet the requirements of the Water
Supply (Water Fittings) Regulations 1999
Supply (Water Fittings) Regulations 1999
Supply (Water Fittings) Regulations 1999
Supply (Water Fittings) Regulations 1999
and the Scottish Byelaws 2004.
and the Scottish Byelaws 2004.
and the Scottish Byelaws 2004.
and the Scottish Byelaws 2004.
IRN R001: See text of entry for Installation
IRN R001:
IRN R001:
IRN R001:
Requirements or Notes.
IRN R006: This tap or combination tap
IRN R006:
IRN R006:
IRN R006:
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: - - - - Schedule 2
IRN R010:
IRN R010:
IRN R010:
Schedule 2– – – – 15 (1) :
Schedule 2
Schedule 2
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
valve
valve
valve
backflow prevention device shall be fitted
immediately upstream of both hot and cold
water inlets.
IRN R040: - - - - Schedule 2
IRN R040:
IRN R040:
IRN R040:
Schedule 2
Schedule 2- - - - 15 (1):
Schedule 2
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.
If the fitting cannot be installed as
indicated in the table opposite it shall be
installed as either a a a a or b b b b below:
a: a: a: a: with an approved double check valve
assembly or some other no less
effective backflow prevention device
immediately upstream of the inlet.
15 (1) : Water
15 (1) :
15 (1) :
'Listed' single check
'Listed' single check
'Listed' single check
15 (1): The
15 (1):
15 (1):
b: b: b: 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.
Size of tap or
Size of tap or
Size of tap or
Size of tap or
combination fitting.
combination fitting.
combination fitting.
combination fitting.
1. Not exceeding 1/2
in
2. 2. 2. 2. Exceeding 1/2 in
but not exceeding
3/4 in
3. 3. 3. 3. Exceeding 3/4 in
Vertical distance
Vertical distance
Vertical distance
Vertical distance
of outlet above
of outlet above
of outlet above
of outlet above
spill- - - - over level.
spill
spill
spill
over level.
over level.
over level.
20mm
25mm
70mm
05