Electrical Parts - Lennox MCA Series Service Manual

Step 11. Pull out the panel frame while pushing the hook
through a clearance between the panel frame
and the heat exchanger.
Step 12. Release the 5 hooks of the vertical blades, then
pull the vertical blades rightward and remove it.
Step 13. Remove 1 screw of the display board.
Step 14. Rotate the display board in the direction shown in
the right picture.

18.1.2. Electrical Parts

NOTE: When handling electrical parts use anti-static
gloves.
NOTE: Remove the front panel (see Step 1 on page 32)
before disassembling electrical parts.
Step 1. Cut the ribbon by a shear, then pull out the coil
temperature sensor (T2).
Step 2. Remove one fixing screw of the electronic
control box and two screws used for the ground
connection.
Step 3. An upward force is maintained until the cover of
electronic control box is removed.
34
Ribbons T2 Sensor