7
8
9
screw
screw
screw
screw
nut
Disassemble top duct motor
(1)Disassemble fan (top); unscrew 
the nut of fan and remove the gasket to
remove the fan.  
(2)Disassemble motor: after disassemble
 fan as the diagram shown, unscrew
the 4 screws of motor to remove the motor.  
 fan
Disassemble electric heating 
subassembly (not valid for cooling uni
t)
(1)Disassemble electric heating shell:
unscrew the 4 screws of electric heating
shell, then it can be separated from top
duct subassembly. 
(2)Disassemble: unscrew the 4 screws of
electric heating subassembly to remove
the electric heating subassembly
step motor
Disassemble protection grill nets
(1)Disassemble step motor: unscrew the 2
screws of step motor to remove the step 
motor.