Air Conditioner Service Manual

Multi Inverter Air Conditioner

Indoor/Outdoor Units Disassembly Manual

Multi-Zone Free Match

Outdoor Unit Disassembly

Outdoor Unit Model Numbers: YN020GLSI24M2G | YN030GLSI24M3G | YN040GLSI24M4G | YN050GLSI24M5G

Steps	Description
Before disassembly	Prepare the unit for disassembly.
1: Remove the PCB cover, valve cover, and top cover	A. Unfix 1 [screw] on the PCB cover, then remove the cover from the unit. Unfix 1 [screw] on the valve cover, then take it out. B. Unfix the [screws] on the top, left, and right plates, then take off the top cover.
2. Disassemble the fan guard and front panel	A. Remove the grille [screws] from the front panel, then take out the grille. B. 1). Unfix the [screws] on the front panel of the fan guard. 2). Separate the ODU middle plate and base plate. Lift the front panel so you can take it out from the unit.
3. Disassemble the left and right plate	A. Unfix the [screws] on the right plate, electric box assembly, valve plate, and base plate. Then remove the right plate. B. Unfix the [screws] on the left plate, base plate, and condenser plate. Then take out the left plate.
4. Disassemble the axis fan blade	A. Unscrew the fan blade [nut]. Remove the blade.
5. Disassemble the electric box	A. Unfix the [screws] on the electric box and motor supporter. Loosen the wiring [clamp], then take out the control box.
6. Remove the noise cotton	A. Take the noise cotton out.
7. Disassemble the separate plate	A. Unfix the [screw] on the separate plate and unit, then take it out.
8. Disassemble the 2-way and 3-way valve	A. Unfix the [screws] on the valve plate and base. Take out the 2-way and 3-way valve by welding. Note: 1). Welding can only occur while there is no gas in the unit. 2). Pay attention to the fire to prevent any injury.
9. Disassemble the 4-way valve assembly	A. Remove the 4-way valve from the system by welding. Ensure there is no damage to the compressor, nameplate, etc.
10. Disassemble the compressor	A. Unscrew the [nuts] and remove the compressor.
11. Remove the fan motor and fan supporter	A. Unfix the [screws] on the fan motor and supporter, then remove the supporter of the base plate. Note: Pay attention to the motor wiring. It can't be taken out by force.

Indoor Unit Disassembly - Ceiling Cassette

Indoor Unit Model Numbers: CT009GLSILCFHG | CT012GLSILCFHG | CT018GLSILCFHG | CT024GLSILSFHG

Steps	Description
Before disassembly	Prepare the unit for disassembly.
1. Remove the seal plate and drain spout	A. Disassemble the seal plate. B. Remove the drain spout.
2. Remove the front and rear fascia assembly	Unfix the [screws] and [hooks] on the base plate, as well as the front and rear panel assembly. Remove the front and rear fascia assembly from the unit.
3. Dismantle the base assembly	Remove the chassis components by unfixing the [screws] between the base foam part, evaporator fix plate, and base assembly.
4. Remove the base foam assembly	Remove the base foam assembly.
5. Dismantle the water pump assembly	Dismantle the water pump assembly. Take out the water pump in the same direction shown in the photo.
6. Dismantle the evaporator assembly	Dismantle the evaporator assembly. Take out the evaporator in the same direction shown in the photo.
7. Remove the evaporator fixing plates	Remove the evaporator fixing plates in the same direction as shown in the photo.
8. Disassemble the DC motor	Disassemble the DC motor.
9. Remove the centrifugal fan	Remove the centrifugal fan.
10. Remove the panel assembly	Unfix the [screws] on the panel and drainage assembly. Remove the panel assembly.
11. Remove the USB/wireless network module	Unfix the [screws] on the USB/wireless network module and air guide part. Remove the module.
12. Remove the electric box assembly	Unfix the [screws] on the electric control box, water tray assembly, and air guide in the direction shown in the photo. Remove the electric control box assembly.
13. Disassemble the air guide parts	Unfix the [screws] on the guide parts and water tray. Remove the air guide parts.

Indoor Unit Disassembly - Ductable Concealed

Indoor Unit Model Numbers: RT009GLSILCFHG | RT012GLSILCFHG | RT018GLSILCFHG | RT024GLSILSFHG

Steps	Description
Before disassembly	Prepare the unit for disassembly.
1. Disassemble the filter assembly	A. Disassemble the filter assembly. B. Remove the filter.
2. Disassemble the base part and air return plate	A. Remove the base part by unfixing the [screws] on the left and right side panels, as well as the center partition. B. Remove the [screws] between the air return plate, left side plate, and electric control box. Then remove the air return plate. C. Remove the wireless network fixing cover and take out the USB connection cable.
3. Disassemble the front panel assembly	Unfix the [screws] on the front panel, then remove the assembly.
4. Remove the electrical box cover and hooks	A. Unfix the [screws] on the electrical box cover, then remove the cover. B. Unfix the [screws] on the hooks, then remove the hooks.
5. Remove the electric control box assembly	Unfix the [screws] on the electric control box, then remove the electric control box.
6. Remove the water tray assembly	A. Remove the base plate. B. Lift the drain nozzles up on both sides to take out the water tray.
7. Disassemble the right side plate and drainage mounting assembly	A. Unfix the [screws] between the right side plate, evaporator end plate, top plate, and drain mounting assembly. Then remove the right side plate. B. Remove the drain nozzle on the drain mounting assembly, then take out the assembly.
8. Remove the water pump assembly, evaporator module, and left side panel	A. Unfix the [screws] on the water pump assembly and center divider. Then remove the water pump assembly. B. Unfix the [screws] on the evaporator module and left side panel assembly. Then take out the left side panel. C. Unfix the [screws] on the left side panel, top panel, and center partition. Remove the left side panel.
9. Remove the centrifugal fan volute assembly and DC motor	Remove the motor limit [clasp], then take the volute assembly and DC motor out in the direction shown in the photo.
10. Remove the center divider assembly	Unfix the [screws] on the center divider assembly and top cover. Remove the center divider.

Indoor Unit Disassembly - Floor-Ceiling Flex

Indoor Unit Model Numbers: UT018GLSILCFHG | UT024GLSILSFHG

Steps	Description
Before disassembly	Prepare the unit for disassembly.
1. Remove the front grille	A. Remove the [screws] by pushing the [buckles] in the direction as shown in the photo. B. Open the grille. Then remove the grille from the back [snap hook].
2. Dismantle the left and right side plate	Unfix the [screws] as shown in the photo. Remove the left and right side blocks from the [snap hooks].
3. Remove the electronic control box assembly	Unfix the [screws] as shown in the photo. Then remove the electronic control cover plate.
4. Remove the front panel assembly	Unfix the [screws] on the front panel. Then remove the panel assembly.
5. Remove the water tray	Take out the water tray.
6. Remove the evaporator assembly	Take out the evaporator.
7. Remove the display panel and vane assembly	Take out the display panel and vane assembly.
8. Remove the volute parts	Remove the volute parts.
9. Disassemble the centrifugal fan	Take out the centrifugal fan.
10. Disassemble the fan motor	Remove the fan motor.

Indoor Unit Disassembly - Wall Mounted

Steps	Description
Before disassembly	Prepare the unit for disassembly.
1. Disassemble the front panel, display board, and wireless network module	A. Open the front panel. B. Remove 1 [screw], then take the display box out from the panel. C. Release the panel axis, which is shown in red [arrows], out from middle frame and take the panel out. D. Unscrew and remove the wireless network module from the middle frame.
2. Remove the louver	Unlock the louver [lockers] ([clip]). Bend the louver slightly by hand and remove it from the middle frame and stepping motor.
3. Remove the electric control box cover	Unfix 1 [screw] on the electric box cover, then remove the cover.
4. Remove the filter	Push the filter slightly upwards. You can take the filter out from the unit.
5. Disassemble the middle frame	A. Open the screw cover and unfix the [screw] with a cross screwdriver. B. Remove the middle frame by loosening the [clasps] of the unit base. Take out the frame.
6. Disassemble the electric control box	A. Remove the RT and IPT from the evaporator. B. Unscrew all the earth ground wirings on the evaporator. C. Take all the connectors out from the PCB. D. Unfix 1 [screw] from the control box of the unit base frame. Remove the control box from the unit. Note: The picture on the right is for your reference only. The wiring connection for the exact model may be slightly different.
7. Remove the pipe cover	Loosen the lower edge of the pipe cover from the base frame, then remove the cover from the unit.
8. Disassemble the evaporator	A. Unfix 2 [screws] on the left side. B. Unfix 2 [screws] on the right side of the motor cover/right support plate. C. Take the evaporator out from the unit by uplifting the input/output pipes slightly.
9. Remove the motor cover	Unfix 4 [screws] on the motor cover of the base frame.
10. Disassemble the fan motor and fan blade	A. Lift the fan blade and fan motor. Take out the base frame. B. Unfix 1 [screw] on the axis of the fan motor, then you can separate the fan blade and fan motor.

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