Liftmaster Chamberlain 41A5530 Surge Suppressor Kit

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Help, Troubleshooting, and Instructions

Liftmaster Help, Troubleshooting, and Instructions

For all Liftmaster, Sears Craftsman, and Chamberlain brand CHAIN DRIVE garage door openers that use screw terminal connections.

Wiring Instructions:

Attach MOV (Metal Oxide Varistor) wires directly to motor unit terminals 2 & 3 (white & black) located on the receiver logic board.

Note: Units with quick connect terminals, both bell wires must be twisted or connected together and reinserted using only one hole leaving the second hole for MOV wire.

Route green ground wire to the chassis top. Attach wire to chassis with the self threading screw, using the existing hold as illustrated.

Note: Screw drive units with side access door, attach to the chassis hanging brackets with hardware provided.

Note: This product will not protect receiver logic board or safety sensors from nearby electric storms or lightning strikes, but from power surges caused by those elements.