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GT20 Wire and Programming Manual
Rev 5-7-18
P/N C-00140
SECTION 10 .10: Check Connections
Note: A small white (m) and a small white (s) indicates: a missing connection.
Note: Both Operator Assemblies must be running off the same power circuit.
Note: Parameters: ILAuto, ILExit and ILNigt enable yo to configure the operating modes in which the Interlock system shall
be active.
1. Check the LCD Display on the Master GT20 Control to see if a small black (w) is visible on the first level (connection existing).
2. Transmit a Key (open) command to the exterior control (A) by applying a jumper to terminals 2 & 3:
X
The LCD will display a big black (W) (door is not closed).
X
While the Exterior door (A) is open, transmit a Key command to the Control for the Interior door (B). The Interior door
must not be able to open.
3. Transmit a Key command to the Interior Control (B):
X
On the Control display, a big black (W) appears when the Interior door is open.
X
While the interior door is Open (B), transmit a Key command to the Control of the Exterior door (A). The Exterior door
must not be able to open.
CHAPTER 11: RELAY PRINT
X
The Relay PCB Board is strictly used for monitoring purposes and is optional only. For example: Fire Alarm Systems, or
Security Alarm Systems.
X
The Relay PCB Board OUTPUTS information only.
X
NABCO does not install more than (1) Relay PCB Board.
X
The Relay PCB Board Address is (R0).
•
If (2) Relay PCB Boards were installed onto the GT20 Control the second Relay PCB Board would be addressed
as R1.
X
The status of the Door Panel during Real Time is displayed within the Diagnostic Menu.
X
Values for Elements (RC 01...RC 04) can be changed within the Configuration Menu.
X
The Relay PCB Board (RO) must be installed before the Configuration Menu can display the Elements/Values or the
Diagnostic Menu can display the Status of the Door Panel.
SECTION 11 .1: Install the Relay PCB Board .
DN 1264
Female Connector
GT20 Control
Relay PCB Board
(4x) M3 x 12 Stand
Off Torx Screw
(4x) M3 x 5 Torx Screw
M3 x 5 Torx Screw
Figure 7
Relay PCB
Shut Breaker OFF . Failure to do so may result in serious personal or fatal injury . When
uncertain whether power supply is disconnected, always verify using a voltmeter .
DANGER
