Installing a Polarity Guard in your Ericofon
 

  1. Remove the backing from the double sided tape on the guard and push it up a short ways into the neck of the Ericofon.
  2. Locate the four consecutive terminals 3-L1-L2-6.
  3. Remove the wires and lightning arrestor from these terminals.
  4. On terminal 3 install the green wire from the polarity guard and the green wire coming from the lower circuit board of the Ericofon.
  5. On terminal L1 install the white wire from the polarity guard and the red wire coming from the lower circuit board of the Ericofon.
  6. On terminal L2 install the black wire coming from the front of the top circuit board of the Ericofon, the black wire from the polarity guard, and the green line cord wire.
  7. On terminal 6 install the white/brown wire coming from the upper circuit board of the Ericofon, the yellow wire from the polarity guard and the red line cord wire.