Chamberlain B2212T Installation Manual - English - Page 30

Step 15 Connect Power, Option B - Pre-wired Installation

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Installation STEP 14 Wire the Safety Reversing Sensors (continued) OPTION B - PRE-WIRED INSTALLATION 1. Cut the sensor wires, making sure there is enough wire to reach the pre-installed wires from the wall. 2. Separate the sensor wires and strip insulation from each end. Choose two of the pre-installed wires and strip insulation from each end. Choose the same color pre-installed wires for each sensor. 3. Connect the pre-installed wires to the sensor wires with wire nuts making sure the colors correspond for each sensor. 4. At the garage door opener, strip the end of the wires previously connected to the sensors. Twist the like-colored wires together. 5. Using a screwdriver, push in the terminal tabs, and insert the wire color connected to the sensor's white wire into the white terminal. Insert the other wire color connected to the sensor's white/black wire into the grey terminal. 1 Pre-installed 2 wires Safety reversing sensor wires 3 Safety reversing sensor wires White White/Black 4 Pre-installed wires 5 Yellow Purple 7/16" (11 mm) 7/16" (11 mm) Wire nuts (not provided) Pre-installed wires Yellow (for example) Purple (for example) Purple Yellow 30

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30
Installation
STEP 14 Wire the Safety Reversing Sensors (continued)
OPTION B - PRE-WIRED INSTALLATION
1.
Cut the sensor wires, making sure there is enough wire to reach the pre-installed wires from the wall.
2.
Separate the sensor wires and strip insulation from each end. Choose two of the pre-installed wires
and strip insulation from each end. Choose the same color pre-installed wires for each sensor.
3.
Connect the pre-installed wires to the sensor wires with wire nuts making sure the colors correspond
for each sensor.
4.
At the garage door opener, strip the end of the wires previously connected to the sensors. Twist the
like-colored wires together.
5.
Using a screwdriver, push in the terminal tabs, and insert the wire color connected to the sensor's
white wire into the white terminal. Insert the other wire color connected to the sensor's white/black wire
into the grey terminal.
Safety reversing sensor wires
White
White/Black
Yellow (for example)
Purple (for example)
Wire nuts (not provided)
Pre-installed wires
Safety reversing
sensor wires
1
3
4
7/16" (11 mm)
2
5
Purple
Yellow
Pre-installed
wires
Pre-installed wires
7/16" (11 mm)
Yellow
Purple