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GT20 Wire and Programming Manual www.NabcoEntrances.com
P/N C-00140 Rev 5-7-18
CHAPTER 1: WARNING LABELS
Warning labels are universal and used to alert an individual of potential harm to one’s self or to others. The following warning labels
are listed in a hierarchy order that denes the most potential danger rst, and the least potential danger last. Please refer to this page in
the event that a warning label is displayed within this manual and further denition needs to be explained.
Indicates potenally dangerous situaons Danger is used when there is a hazardous situaon
where there is a high probability of severe injury or death It should not be considered for
property damage unless personal injury risk is present
Indicates a hazardous situaon which has some probability of severe injury It should not
be considered for property damage unless personal injury risk is present
Indicates a hazardous situaon which may result in a minor injury Cauon should not be used
when there is a possibility of serious injury Cauon should not be considered for property
damage accidents unless a personal injury risk is present
Aenon: A situaon where material could be damaged or the funcon impaired
Notice: Indicates a statement of company policy as the message relates to the personal safety or protection
of property. Notice should not be used when there is a hazardous situation or personal risk.
Note: Indicates important informaon that provides further instrucon.
CHAPTER 2: GENERAL SAFETY RECOMMENDATIONS
Do not install, operate or service this product unless you have read and understand the General
Safety Recommendaons, Warning Labels, contained in this manual Failure to do so may result
in bodily injury, or property damage
Read, study and understand the installaon and operang instrucons contained in, or
referenced in this manual before operang If you do not understand the instrucon, ask a
qualied technician Failure to do so may result in bodily injury, or property damage and will
nullify all warranes
The GT20 Swing Door Operator Assembly must not be mounted within locaons presenng
explosion hazards The presence of ammable gases or smoke represents a considerable
safety hazard
Disconnect all power to the juncon box prior to making any electrical connecons Failure to
do so may result in seriouc personal or fatal injury When uncertain whether power supply is
disconnected, always verify using a voltmeter
Do not place nger or uninsulated tools inside the electrical controller Touching wires or other
parts inside the enclosure may cause electrical shock, serious injury or death
According UL 325 84, Do Not mount Operator onto ammable surfaces!
The Ground wire from the Opus Control 120 VAC Harness, and the Incoming 120 VAC Ground
wire must be connected to the Ground screw located within the Swing door Header
If the door appears broken or does not seem to work correctly, it should be immediately
removed from service unl repairs can be carried out or a qualied service technician is
contacted for correcve acon
Notice: This manual, the owner’s manual and all other associated manuals must be given to and retained
by the purchasing facility or end user.
Notice: Wiring must meet all local, state, federal or other governing agency codes.