Powermaster Safety Gate UL 991 ユーザーズマニュアル

 

3 

 

Automatic gate operators provide convenience and security to 
users. However, because these machines can produce high 
levels of force, it is important that all gate operator system 
designers, installers, and end users be aware of the potential 
hazards associated with improperly designed, installed, or 
maintained systems.  Keep in mind that the gate operator is a 
component part of a total gate operating system. 

The following information contains various safety precautions 
and warnings

 

for the system designer, installer and end user.  

These instructions provide an overview of the importance of 
safe design, installation, and use. 

Warnings are identified with the 

▲

 symbol.  This symbol will 

identify some of the conditions that can result in serious injury or 
death.  Take time to carefully read and follow these precautions 
and other important information provided to help ensure safe 
system design, installation and use. 

▲  WARNING

   

Gate operators are only one part of a 

.  It is the 

responsibility of purchaser, designer, and installer to ensure 
that the total system is safe for its intended use. All 
secondary entrapment safety devices must be 
RECOGNIZED by U/L to ensure the safety of the complete 
operating system. 
 

 

4 

 

A vehicular gate operator (or system) intended for use in 

a home of one to four single-family dwellings, or a garage or 
parking area associated therewith. 

 

 

A vehicular gate operator (or system) intended for use in a 

commercial location or building such as a multifamily housing 
unit (five or more single family units), hotel, garages, retail store 
or other building servicing the general public.