Connect Transformer To Control Board - Chamberlain LA400 Owner's Manual

WIRING
» CONNECT TRANSFORMER TO CONTROL BOARD

CONNECT TRANSFORMER TO CONTROL BOARD

NOTE: All power wiring should be on a dedicated circuit, calculated using NEC
guidelines. Local codes and conditions must be reviewed for suitability of wire
installation.
EXTERNAL RECEPTACLE
1
The transformer can be plugged into a receptacle external to the control box.
2
Run low voltage wire between the transformer and control box.
NOTE: The transformer must be located in a dry location that is protected
from weather conditions, such as inside the house or garage.
This will create more space in the standard control box for accessories.
OR
INTERNAL RECEPTACLE
1
Connect 120 Vac directly to the control box and plug the transformer into the
receptacle inside the control box.
Control Box
Control Box
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Operator
2
1
Transformer
1
Dedicated
Outlet
Circuit Panel
27
Transformer