By RF100 are you meaning the ACT Single Pole
- 20A, 120 VAC Feed Thru Relay? If so, do
you have the black wire connected to the Hot
wire from the panel, the white wire connected
to the common neutral wire and the blue wire
connected to the load? This module is no
longer in production, but he instructions for
this module can be found on ACT's website:
http://www.act-solutions.com/pdfs/PCCInst/rf100.pdf