Nabco GT20 User Manual

Rev. 8-29-17 Part #C-00170
www.NabcoEntrances.com GT20 Swing Door Owners Manual
5 of 10
7.2.2 Presence Sensor
Presence Sensors detect both moving and non-moving objects in the path of the door and signal the Control Unit accordingly.
NABCO Entrances utilizes infrared technology in its presence sensors.
7.2.3 Moon/Presence Sensor
Motion/Presence Sensors provide motion detection, and pedestrain safety.
SECTION 7.3: Sensor Malfuncons
Some (not all) Common cause examples for Sensor Malfunctions

X 
X 

Refl ec ve S cker
Trolley Bed
DN 1568

X Steam
X Exhaust fume
X Insects
X Heavy rain
X Heavy snow
DN 1572

X Strong direct Sunlight
X 
X 
X 
X 
DN 1570
Pool of water located within Presence Detection Zone
DN 1571
An object placed within the Presence Detection Zone that may be moving
within the detection zone (like due to wind).
DN 1573

Nabco GT20 Specifications

General

Brand	Nabco
Model	GT20
Category	Door Opening System
Language	English