lift-master sw420 用户手册

© 2004, The Chamberlain Group, Inc.

All Rights Reserved

WARNING: All controls that are to be used 
to operate the gate system, MUST be 
installed where the user cannot come into 
contact with the gate while operating the 
controls.  Also, always install the controls 
where the user has full view of gate 
operation.

* All inputs are normally open and 
momentary, except the stop (N.C.). The 
following instructions are based upon 
UL325,  and include recommendations for 
significant increase in safety.

* We strongly recommend that you follow 
the UL guidelines presented throughout the 
manual.  Installation device instructions - 
always follow the instructions provided by 
the manufacturer when installing and 
adjusting any control device.  If these 
instructions are contrary to the advice given 
here, call for assistance.

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OPEN

CLO

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