8
3. Connect the controller to one indoor unit main control board using 4-conductor shielded 18 GA
cable. Connect to terminals 12V,COM,HA,HB on the back of the controller.
Figure 6. Insert Controller into Back Cover
4. Insert the controller into the bottom snap joints of the back cover at an angle. See Figure 6.
Figure 5. Connect Cabling
HA HB
12V
COM
HA
HB
COM
P12V Q