Lennox Wired Controller Installation And Operation Instructions Manual page 4

1. Connect controller to indoor unit main control board by inserting the plug of the
5-conductor cable into the socket provided at the indoor unit
2. Remove the cover from the wall plate using a flat-head screwdriver. See figure 2.
3. Mount the wall plate as appropriate for your application. See figure 3.
NOTE – Provide for future maintenance by allowing enough slack in the wiring to
allow the controller to be removed from the wall if needed.
5-conductor wire
Figure 1. Wiring Connections
Slots
Figure 2. Remove cover from wall plate.
5-conductor wire
4
Indoor unit
display board