12
4.5 WIRING OF THE OPERA OPERATOR
Do NOT connect any accessory controls until the limit switch adjustments have been completed and the
operator is functioning properly.
Refer to the electrical diagrams on pages 24, the wiring specifications in TABLE 2 and the terminal input
connections of Figure 19.
WARNING
EXERCISE CAUTION WHEN OPERATING MACHINE. THE DRIVE CHAIN AND LIMIT CHAIN, WHEN
EXPOSED AND TURNING, COULD CAUSE SEVERE INJURY.
NOTE: Wiring diagrams are found inside the control box cover. If the diagram is faded or damaged, call
the factory for a replacement. DO NOT INSTALL ANY WIRING OR ATTEMPT TO RUN THIS
OPERATOR WITHOUT CONSULTING THE WIRING DIAGRAM.
Main Power Supply
Power to the operator is of the permanent connection type. Connect according to local electrical code.
Ground the unit using the ground lug inside the control box.
IMPORTANT:
Be aware of the dimension of the power supply cables pipe (BX for ex.) It must not limit the
controlbox movement to access the mechanical reduction parts. It is recommended
to add 7 or 8 inches
For single-phase operators, connect the power supply to terminals L (line) and N (neutral) on the main
terminal strip.
Figure 13
Power supply connection
WARNING
GROUND THE UNIT CORRECTLY USING THE COPPER GROUND LUG LOCATED INSIDE THE
OPERATOR CONTROL BOX.
Note: All other connections on the terminal strip (1 to 9) are low voltage class II 24 VAC.
1. External interlock between terminals 1 and 2. A jumper is factory installed between these
two terminals. If an external interlock is used (such as interlocking between two doors),
remove the jumper between 1 and 2 and wire the interlock between these two terminals.
Figure 14
External interlock
Jumper
Interlock Device With
Normally Close Contact
Single
phase power
supply
Ground
