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> High Frequency Converters
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> Watt stopper daylighting controller #ls-101
Watt stopper daylighting controller #ls-101
1. The light level controller shall be capable of detecting changes in lighting levels.
2. The light level controller shall utilize an internal photocell that measures light in a 100 degree angle cutting the unwanted light from bright sources outside of this cone.
3. The light level controller shall be capable of controlling any type of lighting through use of power packs. Light level controller shall operate from a 24 volts DC power supply; current draw is 22 milliamps.
4. The LS-101 light level controller shall be capable of turning lighting on and off for a single zone and has a light sensors over 1 to 1400fc.
5. The light level controller shall have an adjustable deadband feature with 25%, 50%, 75% or 100% in relation to the setpoints. This prevents lighting from cycling when lighting goes on and off and from minor changes due to cloud cover.
6. The light level controller shall have an adjustable time delay range of 3, 10, 15 or 30 minutes. This will prevent cycling on partly cloudy days and is necessary with HID lighting.
7. The LS-101 shall provide a connection for an optional low voltage, normally open momentary contact watt switch override.
8. The LS-101 provides a hold on while occupied feature that prohibits high levels from turning OFF the controlled lights as long as the space remains occupied.
9. The LS-101 has an ON Setpoint range from 1-850fc and when the daylight drops below that setpoint for 20 seconds the electric lights will be turned ON.
10. The LS-101 has a microprocessor that allows the photosensor to respond with precision to deliver the desired intensity of electric lighting for the space.
11. The light level controller has a LED status indicator making it easy to identify if the device has been forced on or off by an override switch or if the device is in test mode.
12. The LS-101 has a threaded nipple that mounts on a ceiling tile and for more challenging applications such as a side wall or hard rock ceiling the nipple pops off and the LS-101 can be screwed down.
13. The LS-101 is a sleek, low profile device, its round form blends in to any ceiling and has a removable cover that will integrate to the architecture.
