SE Controls Stand Alone Rain Sensor Technical Information And Operating Instructions

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Stand Alone Rain Sensor

Technical Information and Operating Instructions

Introduction.

The stand alone rain sensor automatically detects

rain or snow fall and signals the ventilation

control system to close open vents.

The sensor is built into a plastic weatherproof

enclosure. The mounting bracket system has

been designed such that the sensor can be

mounted on to any suitable external façade of a

building and adjusted for optimum rain

detection.

For correct operation, the sensor requires a

24VAC/DC ± 20% power supply @ 55mA to power

the electronics and heater element. The signaling

to the ventilation control system is via volt free

contacts rated at 30VDC @ 1A resistive. The

sensor is NOT suitable for operation at 230VAC.

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Page 1 Stand Alone Rain Sensor Technical Information and Operating Instructions Introduction. The stand alone rain sensor automatically detects rain or snow fall and signals the ventilation control system to close open vents. The sensor is built into a plastic weatherproof enclosure. The mounting bracket system has been designed such that the sensor can be mounted on to any suitable external façade of a...
Page 2 SE Controls. SE Controls accepts no liability for failure to comply with the above statements or the installation and operation guidance in the following sections of this guide and reserves the right to invalidate the...
Page 3 The stand alone rain sensor assembly comes supplied in a polythene bag. 2.2 Mounting location The stand alone rain sensor should be mounted on an external façade of the building. It must be mounted in a location that is easily subjected to rainfall.
Page 4 2.4.2 Standard factory configuration The stand alone rain sensor is supplied from the factory pre-terminated with 3M of 4 core cable. These factory selected configurations and settings should be adequate for most installations. Colour Signal Connect To 24VDC/24VAC Black 0VDC/24VAC...
Page 5 Heater enable link 2.5 Sensitivity Adjustment The sensitivity of the rain sensor has been pre-set at the factory and does not normally require further adjustment. Notes. SE Controls Lancaster House, Wellington Crescent, Fradley Park, Lichfield, Staffs. WS13 8RZ Tel 01543 443060 www.secontrols.com...