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Technical data

Master unit

Power supply 12V 1A DC. 

Contact for sensor connection: 3.5 mm. 

Radio frequency: 433 MHz, bi-directional. 

2-wire bus communication. 

Temperature measurement: -10 - 55 °C. 

2 LK electric valves can be connected. 

2 LK Pressure Sensors 4-20mA can be connected. 

1 digital input. 

2 alarm outputs, max. resistive load 4A 250V AC. 

3 keys with 6 alarm indicators. 

Dimensions: 162 x 90 x 45 mm

PIR sensor

Power supply 12VDC.

Dimensions 105 x 61 x 44 mm.

Leak detector

Power supply 2 x AA alkaline batteries or 5V 100 

mA DC. 

Contact for sensor connection: 3.5 mm. 

Radio frequency: 433 MHz, bi-directional. 2-wire 

bus communication. 

Temperature measurement: -10 - 55 °C. DIP 

switch to shut off the temperature alarm. 

2 diodes for alarm indication and one buzzer. 

Dimensions: 137 x 62 x 28 mm.

Electric valve 

Pressure range: 0-10 bar. 

Temperature range: 0-80 °C. 

Connection: G15, G20 or G25. 

Power supply: 12V DC. 

Material: stainless steel SS304. 

Cable with snap connector fitted.

     

433 MHz

Comment 

Completely trouble-free operation cannot always 

be guaranteed with the technology available 

today that allows free use of the frequency band. 

Every 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 recycling centre. 

Guarantee 

LK Systems AB is responsible for faults in products 

that appear within two years from the delivery of 

the product to the buyer. If LK is responsible for 

the fault in the product, LK has the right to replace 

the product with either a new or repaired product. 

The liability period for replacement or repair of a 

product or spare part does not exceed the liability 

period for the original product. The seller is not 

responsible for faults resulting from accidents, 

incorrect assembly, incorrect installation, incorrect 

care, abuse or other irregular use. LK Systems AB 

is not liable for any form of loss or damage caused 

by a non-functioning product. Liability is strictly 

limited to replacement of the product. 

System approval 

LK Water Safety System WSS is tested and 

approved in accordance with SINTEF Technical 

Approval No. 20598.

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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