41A5530 MOV Lightning/Power Surge Suppressor Kit for Chamberlain Circuit Boards and Safety Beams. (MOV – Metal Oxide Varistor)
41A5530 will protect the safety sensors and logic boards from electrical storms and power surges.Use before a lightning strike or power surge occurs. 41A5530 will decrease that chances of power surge or lightning strike shorting the receiver logic board for Chamberlain Liftmaster machines.
- Attach MOV 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 dor, attach to the chassis hanging brackets with hardware provided.
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