Carrier 40MB C Series Service Manual page 37

3) Pull out all the
connection wires to other
parts, then the PCB can
be replaced.
4) There are 2 buckles
fixing the PCB. To draw
out the PCB, you should
open them.
6 Remove the 1) Open the grille
electronic
control box
2) Remove the electronic
control box cover
3) Pull out all the plugs or
connectors connected to
the electronic control
box
4) Remove the electronic
control box
Remove the 2 screws to
disassemble the electronic
control box
7 Remover 1) Repeat the operation of
the fan No.5
wheel 2) Remove the ventilation
ring
Release the 4 screws to
disassemble it.
RY2
Pump
Water lever
Power Input
Repeat the operation of step1 of No.1(No need
to take down the panel)
Repeat the operation of step 2 of No.5
37
Indoor fan
Temp. sensors
Swing motor
Display board
2 screws
4 screws