68
Installation and Maintenance
Service Manual
a
b
Open the front panel; separate the panel 
rotation shaft from the groove fixing the 
front panel and then removes the front 
panel.
Note:
The display of some models is fixed on 
the panel; unscrew the screws fi xing the 
display on the panel before removing the 
panel.
Remove the screws on the electric box 
cover 2 to remove the electric box cover 2..
Electric box cover 2
Screws
Panel
 Front panel
Panel rotation
Groove 
3. Remove panel
4. Remove electric box cover 2
Front case 
sub-assy
Front case 
sub-assy
Left clasp
Middle clasp
Right clasp
Screw caps
Screws
Remove the screws fi xing front case.
Note:
1.Open the screw caps before removing 
the screws around the air outlet.
2.The quantity of screws fixing the front 
case sub-assy is different for different 
models.
Loosen the clasps at left, middle and right 
sides of front case. Life the front case 
sub-assy upwards to remove it.
5. Remove front case sub-assy
ProcedureSteps