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VLC-3 rev.04
VLC-3
ALL WIRING MUST BE DONE BY AN AUTHORIZED ELEC-
TRICIAN AND MUST COMPLY WITH APPLICABLE
CODES, LAWS AND REGULATIONS. BE SURE POWER IS
OFF BEFORE DOING ANY WIRING TO AVOID ELECTRI-
CAL SHOCKS AND EQUIPMENT DAMAGE.
4. CONNECTIONS
To connect the controller, refer to the wiring diagram enclosed with this
user's manual.
Set the voltage switch to the appropriate voltage.
Use the electrical knockouts provided at the bottom of the enclo-
sure. Do not make additional holes in the enclosure, particularly on
the top of the enclosure when using a computer communications
module.
Two types of alarms are currently available on the market. The first
type is activated when current is cut off at the source; the other is
activated when current is supplied to the input. Use the NC terminal
for an alarm of the first type; otherwise use the NO terminal.
!
WARNING
Voltage Selector
1
1
