slimline RV Air Conditioner Instruction Manual

RV Air Conditioner
Instruction Manual

Service Manual

Above data is subject to change without notice.

Installation and Maintenance

Removal Procedure

11.1 Removal Procedure of Indoor Unit
GRH085DA-K3NA1A/I GRH120DA-K3NA1A/I

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Remove 4 screws on panel, disassemble the butted terminal, separate panel and installation plate, and  then remove the panel.
2. Remove installation plate|
Remove screws fixing the pressing plate, and then remove the press plate.
Remove 4 bolts fixing the installation plate with wrench, and then remove the installation plate.
3. Remove knob, air vent cover 1 and air vent cover 2 sub-assy|
Loosen the clasps on knob, and then remove knob, air vent cover 1 and air vent cover 2.
4. Remove left and right filters sub-assy|
Remove left and right filters sub-assy directly.
5. Remove guide rail of filter|
Remove screws fixing the guide rail of filter, and then remove the guide rail of filter.
6. Remove display board sub-assy|
Remove screws fixing the display box sub-assy, and then remove the display box sub-assy cover.
Remove screws fixing the detecting plate, and then remove the detecting plate.
Remove 6 screws fixing the display board, pull out the motor terminal and then remove the display board.
7.Remove display board|
Remove screws fixing the display board and then remove the display board.
Remove the LED light board from the display board.
8. Remove swing motor assy|
Remove screws fixing the swing motor assy,
and then remove the swing motor assy.
9. Remove damper sub-assy|
Remove the damper sub-assy directly.
10. Remove horizontal louver sub-assy|
Remove horizontal louver sub-assy directly.

GRH085DA-K3NA2B/I GRH120DA-K3NA2B/I

grille](https://manuals.plus/wp-content/uploads/2023/07/slimline-RV-Air- Conditioner-grille.png)
Press both ends of air-outlet grille to unlock the door switch and then remove the air-in grille and the  filter.
2. Remove front panel sub-assy|
Loose 4 screws at both ends and then remove the panel sub-assy downwards.
3. Remove air duct sub-assy|
 Loose 4 bolts as shown in the figure and then remove the air duct sub-assy downwards.
4. Remove base plate and the middle air-outlet panel|
Loose 2 screws at both ends; loose 7 clasps at both sides and then separate the base plate and the middle  air-outlet panel.
5. Remove detecting board|
Loose 1 screw on the top; remove the detecting board.
6. Remove display board|
Loose 2 screws as shown in the figure and the remove the display board.
7.Remove display module|
Loose 1 screw as shown in the figure, and rotate the display module in clockwise direction to remove it.
8. Remove air-outlet frame sub-assy|
Loose 9 clasps as shown in the figure and then remove the air-outlet frame sub-assy outwards.
    9. Remove guide louver and shaft of guide louver|
 Loose the middle clasp, remove the horizontal louver outwards and then remove the shaft of horizontal  louver at both ends.

11.2 Removal Procedure of Outdoor Unit

case](https://manuals.plus/wp-content/uploads/2023/07/slimline-RV-Air- Conditioner-case.png)
Press the tool which is suitable for the size of clasp center hole into about 3mm from the center point  fixing outer case clasp; pluck out the clasp forcibly; remove screws fixing outer case.
(Note: when pressing the tool into the center of the clasp fixing outer case, the clasp may be locked if the  tool is pressed too deeply)
Hold the handle at the rear part of outer case; push the outer case frontward after lifting the outer case;  then remove the outer case.
3. Remove plastic box (electric box)|
Lift the plastic box upwards to remove it.
4. Remove foam sub-assy|
Remove screws fixing the foam sub-assy and then remove the foam sub-assy.
5. Remove top cover (dark grey)|
Remove screws fixing the top cover and then remove the top cover.
(Note: Before removing the top cover, please remove screws of wire clip fixing the power cordand connection wire between boards; remove the wire clip; cut off each wire binder and then remove the  conductive wire from the wire groove)

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