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About

A wall mounted, sensor operated trip and run hands free tap or wave on/wave off that is  
installed onto sinks and basins. Available with spout (TW-WMSXXX) or as is (AESW).

The Britex Sensor flow electronic tap is a wall mounted, sensor operated hands free tap that  
is installed onto sinks & basins. It operates by sensing an object, usually a hand, passing within 
around 7cm of the front of the sensor unit. It uses a beam of invisible infra red light which, if 
reflected from an object back to the sensor, will operate the unit.  

The wall mounted plastic sensor kit consists of a sensor unit similar in appearance to a normal 
power point (115W x 75H x25D), a solenoic valve and a plug pack. The stainless steel sensor has 
the electronics mounted to stainless steel plate most installation problems are 
caused through damaging the unit at installation time or the selection of an inappropriate  
installation location, so select the location carefully and take care with the installation.

Australia’s Finest Stainless | britex.com.au

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Fig 1: AESW Product Diagram 

Functions of the switches

Australia’s Finest Stainless | britex.com.au

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 115 

 75 

 50 Min Clearance 

 75 Minimum Clearance 

 25 Min 

Plaster Wall Bracket

 34 

1/2" BSP

1/2" BSP

Socket

 68 

 75 

 58 

 87 

240v 50Hz

 57 

Flow

 115 

 75 

 50 Min Clearance 

 75 Minimum Clearance 

 25 Min 

Plaster Wall Bracket

 34 

1/2" BSP

1/2" BSP

Socket

 68 

 75 

 58 

 87 

240v 50Hz

 57 

Flow

 115 

 75 

 50 Min Clearance 

 75 Minimum Clearance 

 25 Min 

Plaster Wall Bracket

 34 

1/2" BSP

1/2" BSP

Socket

 68 

 75 

 58 

 87 

240v 50Hz

 57 

Flow

Please note this item is pre programmed to trip and run setting  

as per these notes. Wave on/ Wave off models are special order. 

The unit can be conveniently viewed as shown here:

The function block is programmed to operate as a hands in front, trip & run ( or a special order: 
wave on, wave off type) hands free tap. The unit has on the printed circuit assemble 6 miniature 
switches. Setting these switches determines the type of operation the tap takes on.

I R 

Proximity 

Detector

Programmable

Function Block

Solenoid Valve 

Control Block

Switch 1 & 2. These switches directly effect the power 
of the IR Led & therefore the sensing range of the unit. 

ATTENTION: THIS UNIT IS PRESET TO  
MEDIUM LOW SENSITIVITY TO RUN 
FOR 12 SECONDS. DO NOT ATTEMPT TO 
CHANGE SETTINGS WITHOUT READING 
AND FULLY UNDERSTANDING THESE  
INSTRUCTIONS

* Setting Pre-selected

Switch 3. This switch selects the type of operation 
the unit takes on when configured as a wall mounted 
sensor tap i.e. Sw6 is set to off. Sw3 Off means the 
unit will operate as a Wave On, Wave Off unit, Sw On 
means the unit will operate as a Trip & Run unit. Please 
note that this only holds true if Sw6 is set to off.

Switches 4 & 5. These switches select one of four  
pre-set dead man timeout periods for the units,  
depending if it is operating as a Trip & Run or  
Wave On, Wave Off unit, that is, how long the trap  
will continue to run if held in the operated state,  
e.g. not waved off & left running.

* Setting Pre-selected

Switch 6. Closing this switch causes the unit to operate 
as a hands in front type unit. Sw3, together with Sw4  
& Sw5 then serve only to select the dead man time  
out period of the tap as detailed above eg. all 3 switches 
closed give a time of 15 secs, all open 30 secs, etc. 
Once Sw6 is closed, Sw3 does not change the  
operation of the tap.

Pipe Flush Option: 

Units may be optionally programmed to provide a pipe 
flush option. This allows a tap to run for an extended 
pre-programmed period, up to 255 seconds to flush pipes 
etc. If available this function is called up by waving a hand 
past the units 4 times at 1 second intervals, within a 5 
second period.

Flexibility:

 This is a much more flexible & capable design 

able to cater within reason with requests for special  
operating requirements & features. 

Electrical Specifications:

Supply voltage 24VACStandby power consumption,  
solenoid valve not operated: 150mWatts
Power Consumption: Depends on the solenoid valve  
connected to the unit up to 16watts 
Solenoid valve: 24VAC up to 16watts

 

Sw1

Sw2

Sensing Range

Off

Off

Low

On*

Off*

Medium Low*

Off

On

Medium High

On

On

High

Sw3

Sw4

Sw5

Sw6 Wave  
On/Off

Trip & Run

Off

Off

Off

30 Sec

N/A

Off

Off

On

45 Sec

N/A

Off 

On

Off

60 Sec 

N/A

Off

On

On

75 Sec

N/A

On

Off

Off

OFF

6 Sec

On

Off

On

OFF

9 Sec

On*

On*

Off*

OFF*

12 Sec*

On

On

On

OFF

15 Sec

These times are:

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