Using Fibaro Dimmer 2 for Two Way Switching

Wiring of two switches in different locations to control a light is called two way switch configuration.
A single Fibaro dimmer 2 (FGD-212) could be wired to form a two way switch configuration.

Fibaro Two Way Switch with Push Buttons (Momentary Switches):

The below figure shows the wiring diagram of a Fibaro Dimmer 2 in two way configuration with push buttons.

Parameters Configuration for Fibaro Dimmer 2:

The following parameters has to be set:
1- Set Parameter 20 to 0 - keep as default to work with momentary switch
2- Set Parameter 26 to 0 - keep as default

Fibaro Two Way Switch with Toggle Switch:

The below figure shows the wiring diagram of a Fibaro Dimmer 2 in two way configuration with toggle switches.

Parameters Configuration for Fibaro Dimmer 2:

The following parameters has to be set:

 1- Setting Parameter 20 to 1 - enables the dimmer to work with a toggle switch                                                     

2-Setting Parameter 26 to 1 - enables the dimmers S2 switch to also control the dimmer

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