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! Caution:
Always turn off power breakers when working with high voltage. DO NOT
connect the "Power Harness" to the Control Board until the electrical installation is
complete and ready for verification. To reduce the risk of electric shock, this equipment
(external plug-in transformer) has a grounding type Plug, that has a third (grounding) pin. This
plug will only fit into a grounding type outlet. If the plug does not fit into the outlet, contact a
qualified electrician to install the proper outlet. Do not change the plug in any way.
High Voltage Supply Option
STEP 1
Optional EMI Board and Toroidal
Transformer:
a. Mount the optional EMI Board and
Toroidal Transformer to the ECU
Cabinet with the provided hardware.
STEP 2
! WARNING:
SINGLE PHASE AC ONLY
At the "EMI Board":
a. Set the "Voltage Selector" according to the supply voltage
(115V or 230V).
b. Connect the incoming power wires to the terminals as shown
in the illustration.
c. Ground the ECU cabinet according to local code or
guidelines.
d. Turn on the main facility breaker and verify that all three (3)
Status LEDs are illuminated on the EMI Board.
STEP 3
At the Control Board:
a. Reinstall the Control Board Mounting Plate with the Control
Board.
b. Connect the black outbound wires from the Toroidal
Transformer to the Green and White "AC" wires of the
"Power Harness". Polarity is not important. Verify the
"POWER" LED is illuminated solid.
c. Reconnect all other harnesses.
Tips for proper ground installation:
To minimize the effects caused by lightning, follow these
guidelines:
• Use a ground rod to provide a ground reference.
• Consult your city code and be aware of underground
services in the site of the gate operator to prevent
inconveniences.
• Always use a single bonding point for grounding.
• All ground wires must be as short and as thick as possible.
• Prevent unnecessary turns or loops in all ground wires.
VIKING TECHNICAL SUPPORT 1.800.908.0884
ELECTRICAL INSTALLATION
Close
Close
Stop
Stop
Siren
Siren
+
+
Aux.
Aux.
Magnetic Lock
Magnetic Lock
Guard Station
Guard Station
Pwr
Pwr
+ -
+ -
2a
2b
4A
4A
Siren
Siren
+
+
Aux.
Aux.
Pwr
Pwr
+ -
+ -
Speed
Speed
Overlap
Overlap
ODS
ODS
3
3
Normal
Normal
Max
Max
Min
Min
6
6
0
0
100
100
0
0
Open
Open
UL
UL
Radio
Radio
Center
Center
ReOpen
ReOpen
Loop
Loop
Sens
Sens
Rec.
Rec.
Sens
Sens
Loop Connector
Loop Connector
Radio Station
Radio Station
3b
AC
AC
AC
AC
AC
AC
AC
AC
+
+
+
+
Bat
Bat
-
-
Bat
Bat
+
+
DC IN
DC IN
-
-
-
-
4A
4A
15A
15A
+
+
DC IN
DC IN
-
-
Speed
Speed
Overlap
Overlap
ODS
ODS
Timer
Timer
Normal
Normal
3
3
15A
15A
Max
Max
Min
Min
6
6
0
0
100
100
0
0
60
60
Off
Off
Master
Master
Limit Open
Limit Open
Close
Close
Stop
Stop
Open
Open
Limit Close
Limit Close
Center
Center
ReOpen
ReOpen
UL
UL
Radio
Radio
Slave
Slave
Loop
Loop
Sens
Sens
Rec.
Rec.
Sens
Sens
Power
Power
Limit Open
Limit Open
Low Bat
Low Bat
Limit Close
Limit Close
Magnetic Lock
Magnetic Lock
Guard Station
Guard Station
Loop Connector
Loop Connector
Radio Station
Radio Station
Master
Master
Slave
Slave
Timer
Timer
60
60
Off
Off
Master
Master
Limit Open
Limit Open
Limit Close
Limit Close
Slave
Slave
Power
Power
Limit Open
Limit Open
Low Bat
Low Bat
Limit Close
Limit Close
Master
Master
Slave
Slave
Ground Rod
1 9
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