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Operation Manual / Technical Information
Rain sensor
WLA 331
Table of contents:
Technical function description
Operating/control and display elements
Connection to control units
Settings
Technical data
UK
+44 (0) 1536 614 070
US
+1 650 360 5414
Other markets +45 4567 0300
WLA 331 install 2205-EN
©2005, 2022 WindowMaster A/S ®WindowMaster is a registered trademark used under licence by WindowMaster International A/S
WindowMaster Intenational A/S, Skelsteder 13, DK-2950 Vedbæk
info.uk@windowmaster.com
info.us@windowmaster.com
info@windowmaster.com
www.windowmaster.com
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Summary of Contents for Window Master WLA 331
- Page 1 Rauc h- und Wärm e- abz ugs anl agen www.windowmaster.com Other markets +45 4567 0300 info@windowmaster.com WLA 331 install 2205-EN ©2005, 2022 WindowMaster A/S ®WindowMaster is a registered trademark used under licence by WindowMaster International A/S WindowMaster Intenational A/S, Skelsteder 13, DK-2950 Vedbæk...
- Page 2 Technical function description – rain sensor WLA 331 Description: The rain sensor comprises a rain sensor surface. This sensor is used for the automatic control of smoke ventilation and comfort ventilation units. The rain sensor is equipped with a potential free change-over contact having a contact rating of 60V/2A.
- Page 3 Operation/control and display elements – rain sensor WLA 331 For assembly, remove plug connection from the cover. Do not mismate during assembly. AC/DC AC/DC Terminal 1 = Supply voltage AC/DC Terminal 2 = Supply voltage AC/DC Terminal 3 = Relay (arm)
- Page 4 Connection to control units – rain sensor WLA 331 Settings – rain sensor WLA 331 Various rain parameters and operating modes can be set by means of the installed DIP switches. DIP switch settings Test Operation Switch 1 Switch 2...
- Page 5 Only the supply voltage (terminals 1+2) for the sensor is monitored. The system will trip automatically in the event of a supply voltage failure. Technical data – rain sensor WLA 331 Display: Red steady light in the sensor LED = Sensor tripped by rain.