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detection of water. The sensor is made from a strip 

of cloth that contains metal threads. If the material 

becomes wet or damp, the leak detector will set off 

an alarm and transmit a signal to the master unit, 

which shuts off the water.

Example of leak detector installation in a kitchen cup-

board.

Loosen the cover on the leak detector by unscrew-

ing the four screws. Install two AA 1.5V alkaline 

batteries if an external power supply or bus com-

munication are not used. Alternatively, an external 

power supply adapter can be connected to a DC 

connector. See under Accessories.

NOTE!

When a leak detector is connected by bus 

communication or an external 5V DC current, 

no batteries should be used.
Only alkaline batteries should be used with 

the product, not rechargeable batteries.

The built-in temperature monitoring can be deac-

tivated by moving the DIP switch to ON. This 

function is normally always activated. If the leak 

detector is connected using bus cable, communi-

cation and power are supplied via the bus cable. 

Connect the bus cable to D and -. The cable should 

be twinned type, 2 x 0.5 mm

2

.

+  D  -

 

D  -

 

Terminal on the leak detector for bus communication.

Place the leak detector at a suitable height from 

the floor so the sensor cable can reach down to its 

location. The detector should be easy to access for 

changing batteries and to reset any alarms that are 

indicated with a sound and diode lights. Secure 

the leak detector with suitable screws. Connect 

the sensor to the leak detector.

Starting the system

Power up the master unit and other units with 

either battery power or an external power source.

Programming

If the system is connected using bus communica-

tion, no programming is required. If the units are 

supplied with battery or external power, wireless 

communication must be established with the mas-

ter unit as below.

Leak detector

To programme the leak detector, simultaneously 

press the Open and Timer keys on the master unit 

for 2 seconds (until radio symbol begins flashing). 

Then press the red button on the underside of the 

leak detector for 2 seconds (until right diode flashes 

green). If programming is successful, the right 

diode will show a green light for a few seconds.

Programming the leak detector.

Installation guide | LK Water Safety System WSS PIR

EN.40.C.9.1911

Summary of Contents for WSS PIR

Page 1: ...s etc A leak detector can also be fitted where there is a risk of leaks The system is developed to be user friendly and reliable System description The LK Water Safety System WSS PIR consists of a master unit a PIR motion detector and two electric valves Additional motion and leak detectors can be added to the system When the PIR sensor detects motion it gives a signal to the master unit which ope...

Page 2: ... per form a pressure test at 1 43 x estimated pressure i e 14 3 bar and inspect all new joints Installing the master unit Position the master unit close to the electric valves The cables are about 0 8 m long and can be extended up to 3 m using the same cable area 2 x 0 5 mm2 Fit the antenna included in the socket on top of the master unit Attach the master unit to the wall using suitable screws in...

Page 3: ...the required number of holes in the rub ber gasket for cable penetration Use the cable ties supplied for strain relief Secure the cable tie in the hole pattern in the black rubber gasket Replace the cover Screw the cover back onto the main unit Ensure the flexible cable is not twisted When all of the units to be connected with bus communication have been connected connect the master unit s network...

Page 4: ...e to D and The cable should be twinned type 2 x 0 5 mm2 D D Terminal on the leak detector for bus communication Place the leak detector at a suitable height from the floor so the sensor cable can reach down to its location The detector should be easy to access for changing batteries and to reset any alarms that are indicated with a sound and diode lights Secure the leak detector with suitable scre...

Page 5: ... seconds to reset the alarm Operating instructions Installing a LK Water Safety System reduces the risk of water damage in a property The system is controlled and monitored by the master unit A leak detector and PIR sensor are connected to the master unit Keys There are three keys on the master unit used for controlling the system When a key is pressed it will light up or flash Water open Open Ind...

Page 6: ...ity In the event of an alarm If an alarm occurs identify which unit it is for and the cause A alarms Reset the leak detector s water alarm by pressing the red key on the underside of the leak detector The sensor may also need to be dried or the alarm will recur Cut off a temperature alarm by pressing the red key on the underside of the leak detector The diode stops flashing when the temperature ri...

Page 7: ...e or the Quick Guide Removing units from the system If removing a unit from the system the system will have to be reset Refer to Resetting the System The relevant units can then be reprogrammed Resetting the system Reset the system to default settings on the master unit as follows 1 Disconnect power to the master unit 2 Press the Timer key 3 Reconnect the power at the same time as hold ing down th...

Page 8: ...very installation should therefore be tested indi vidually Environment LK Systems is affiliated with El Kretsen for collect ing and recycling electronics and batteries Used batteries should be sorted as batteries or small bat teries and deposited for battery recycling When the system has reached the end of its life it should be sorted as electronics or other electronics and deposited with a recycl...

Page 9: ...ensor WSS RSK 188 25 44 LK Sensor with branch cable WSS RSK 188 22 22 LK Branch Cable WSS RSK 188 22 23 LK Extension Cable WSS RSK 188 22 88 LK Bracket WSS Manifold Cabinet UNI RSK 188 22 21 LK Rail WSS Manifold Cabinet UNI RSK 188 23 21 LK Systems AB Box 66 161 26 Bromma Sweden www lksystems se en Installation guide LK Water Safety System WSS PIR EN 40 C 9 1911 ...

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