4
URINAL PLUMBING ARRANGEMENTS
There are 2 common methods for plumbing a urinal flushing systems, these are detailed here.
mains
water
supply
For Box rim
type urinal
A7001AA - Mains
A7002AA - Link
For standard urinal with
standard spreader use
A7001AA - Mains
or
A7002AA - Link
solenoid
valve
solenoid
valve
sensor
box rim
urinal
1
sensor
DC Interrupter
standard
urinal
2
6
3
SUPPLY CONDITIONS
Maximum static pressure 10 bar. This product is intended to be supplied with cold water only.
3.1
Water regulations
3.2
Categories of risk
The fittings covered by this installation and maintenance instruction should be installed in
accordance with the water regulations published in 1999*, therefore Armitage Shanks would
strongly recommend that these fittings are installed by a professional installer
*A guide to the Water Supply (Water Fittings) Regulations 1999 and the Water Byelaws 2000, Scotland is published by WRAS (Water
Regulations Advisory Scheme) Fern Close, Pen-y-Fan Industrial Estate, Oakdale, Newport, NP11 3EH.
ISBN 0-9539708-0-9
MAX.
P
bar
MIN.
6,0
1,0
Urinals are considered to be a fluid category 5 risk which represent a serious hazard if the fluid were to
find its way back into the supply pipe. For that reason standard urinal bowls that are used with mains wa
-
ter supply must use a DC pipe interrupter between solenoid valve and spreader as shown in section 4.
The box rim urinal has an integrated AB airgap to EN1717 which is suitable protection for category 5
risk. When this products is used in conjunction with a box rim urinal a DC pipe interrupter is not required.
