JL-428 Conduit Wire-In Digital Photocontrol (Zero cross +FCC)
Product Summary
The photocontrol JL-428 series is applicable to control the passage lighting and doorway
lighting automatically in accordance with the ambient lighting level.
This product is designed with electronic circuits with MCU incorporated. Its quicker response with time delay of 5 seconds offers easy-to-test feature while avoidingredundancy operation due to spotlight or lightening during night time. Especially, it supports midnight sleeping and reburning before dawn.
Optional Z version has zero-cross technology built-in for longer work life, while conforms FCC regulations.
Further, JL-428 provides surge protection feature up to 235J/5000A
Disconnect power, remove junction box cover, place the photocontrol in knockout hole and fasten with locknut. Wire according to the diagram in right hand.Do not install the photocontrol with the Photocell facing artificial or reflected light. This will cause the unit to cycle on and off
Initial Testing
It is normal for the SWITCH to take few seconds to turn off when first installed.
To test “turn on” during daytime, cover its eye with opaque material.
Do not cover with finger because light traveling through fingers may be great enough to