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Chamberlain HD520EV User Manual

Chamberlain HD520EV
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24
Installation
STEP 14 Wire the Safety Reversing Sensors
If your garage already has wires installed for the safetyreversing sensors, proceed to page 25.
HARDWARE
Ins
ulated Staple
(Not Shown)
OPTION A INSTALLATION WITHOUT PRE-WIRING
1. Run the wire from both sensors to the garage door opener.Attach the wire to the wall and ceiling
with the staples.
2. Strip 7/16 inch (11 mm) ofinsulation from each setof wires.Separate the wires. Twistthe white
wires together. Twistthe white/black wires together.
3. Insertthe white wires into the white terminal on the garage door opener.Insert the white/black
wires into the grey terminal on the garage door opener.To insert or remove the wires from the
terminal, push in the tab with a screwdriver tip.
Staple
7/16" (11 mm)
WHITE
WHITE
GREY
RED
1
2
3

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Chamberlain HD520EV Specifications

General IconGeneral
BrandChamberlain
ModelHD520EV
CategoryGarage Door Opener
LanguageEnglish

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