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Table of Contents
Summary of Contents for MS Electronics WMPD3
- Page 1 WMPD3 WMPAD3 energy saving controls WMPAD3-L Product Guide Wall Mounted Presence/Absence Detectors 3-wire versions Presence Detector WMPD3 Presence/Absence Detector WMPAD3 with LED indicator WMPAD3-L today, tomorrow and in the future mselectronics.co.uk Issue 1.0...
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Page 2: Product Overview
Figure 1b WMPAD3 • The WMPD3 Presence Detector offers fully-automatic operation, switching on the load upon detection of motion, and switching off when the area has been unoccupied for the set period. -
Page 3: Electrical Requirements
Electrical Requirements Before attempting to install the unit, ensure that the intended load and wiring arrangement comply with the following requirements. Figure 2 shows a typical wiring example. • 3-wire (live/neutral + volt-free switch) connection: The unit requires a permanent live/neutral connection, and as such is not suitable for replacing an existing light switch with no neutral conductor at the switch location. - Page 4 Lux Level thumbwheel. As well as aiding location of the unit in darkness (when used in Absence Mode), it can be used to check that the Lux Level setting is appropriate. The electrical supply to the unit MUST be isolated before making adjustments. WMPD3 · WMPAD3 · WMPAD3-L...
- Page 5 Operation The diagrams below illustrate the sequence of operation, according to the model and operating mode of the unit. WMPD3 only WMPAD3(-L) Presence Mode WMPAD3(-L) Absence Mode Operation Notes • After establishing the mains supply to the unit, the PIR sensor requires approx. 1 minute to stabilise before motion detection is possible.
- Page 6 When using the override button to switch the load off, the load will remain WMPAD3(-L) powered if the other unit is still in the ‘ON’ state. Figure 4 Typical wiring schematic for two units Figure 5 Typical ceiling rose plan WMPD3 · WMPAD3 · WMPAD3-L...
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Page 7: Fault Finding
Fault Finding Ensure the electrical supply to the unit is isolated before making any adjustments. Load will not switch on a) Unit is not powered • Ensure the unit is correctly connected to an active mains supply. b) Load is not connected correctly •... - Page 8 Product Warranty MS Electronics guarantees all their products against manufacturing defects for 5 years from the purchase date. If your product is found to be faulty, MS Electronics will, at their discretion, repair or replace the product free of charge.
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