Fail Safe/Fail Secure Operation; Hold Open Timer - Viking Q-4 Installation Instructions Class Ii, Class Iii, And Class Iv Heavy-Duty Commercial Vehicular Slide Ga

SPECIAL FEATURES SPECIAL FEATURES
Fail Safe/Fail Secure Operation
The gate operator contains a unique design that allows the user to move the gate
manually in case of power failure.
Fail Safe:
By moving the Brake Handle to the
Released positon:
The gate can be moved manually
with a relatively low amount of
force during a power failure
Fail Secure:
By moving the Brake Lever to the
Engaged postion:
The gate can not be moved during
a power failure.
1
Connection Location
Hold Open Timer
Radio Station
N.O.
The Hold Open Timer function holds the gate at
COM
the open position for a predetermined amount
of time, prior to closing automatically.
N.C.
Set the Timer to the desired time, from 1 to
60 seconds.
If this feature is not needed, turn the Trim
Pot clockwise to the "off" position.
Note: The Hold Open Timer affects the "radio
receiver command" and the sequence of
Motor Sensor
operation for the gate (see page 24).
Low Battery
Power
28
Charger
Mag.
Lock
Radio UL
Rec. Sensor
Brake in Engaged
Position
Loop Connector
1
1sec
Safety Center
TECHNICAL SUPPORT 1 800 908 0884
Loop Loop
Brake in Released
Position
Open Commands
off 60sec
Open
30sec
Hold Open
Timer
Limit
MAX min.
0
1.5
Obstruction
Overlap Delay
Sensor
Guard Station
Stop Close
Limit
3
25