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Service Manual 18K 24 23 25 31 26 28 27 29 30 32 33 34 3 4 5 6 7 10 12 8 11 14 15 1 2 The component is only for rererence;please refer to the actual product 79 Installation and Maintenance 22 21 20 19 18 17 16 13 9
NO. Description 1 Front Panel Assy 2 Front grill 3 Front Panel 4 Axial Flow Fan 5 Drainage hole Cap 6 Chassis Sub-assy 7 Drainage Joint 8 Compressor and Fittings 9 Compressor Gasket 10 4-Way Valve 11 4-Way Valve Assy 12 Capillary Tube 13 Capillary Tube assy 14 Right Side Plate Assy 15 Valve Support 16 Cut-off valve 1/2(N) 17 Cut-off valve 1/4(N) 18 Valve Support Block 19 Valve Cover 20 handle 21 Sensor Insert 22 Temp Sensor Sleeving 23 Condenser Assy 24 Clapboard Sub-Assy 25 Motor Support Sub 26 Top Cover Sub-Assy 27 Left Side Plate 28 Terminal Board 29 Electric Box Cover 30 Main Board 31 Radiator 32 Electric Box Assy 33 Electric Box 34 Brushless DC Motor Some models may not contain some parts, please refer to the actual product. 80 Installation and Maintenance Service Manual
Service Manual 21/24K 16 17 18 19 20 21 22 23 24 25 26 11 1 2 3 4 5 6 7 8 9 10 The component is only for rererence;please refer to the actual product 81 Installation and Maintenance 15 14 13 12
NO. Description 1 Front Grill 2 Front Panel 3 Axial Flow Fan 4 Chassis Sub-assy 5 Compressor and Fittings 6 Electronic Expansion Valve 7 Right Side Plate 8 Valve Support 9 Cut-off valve 1/4(N) 10 Cut-off valve 5/8(N) 11 Valve Cover 12 Handle 13 Terminal Board 14 4-Way Valve Assy 15 Condenser Assy 16 Clapboard Assy 17 Motor Support 18 Brushless DC Motor 19 Top Cover Assy 20 Left Side Plate 21 Condenser Left Border Plate 22 Electric Box Assy 23 Radiator 24 Electric Box 25 Main Board 26 Electric Box Cover Some models may not contain some parts, please refer to the actual product. 82 Installation and Maintenance Service Manual
Service Manual 28K 27 28 30 31 32 34 33 35 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 The component is only for rererence;please refer to the actual product 83 Installation and Maintenance 29 26 24 23 22 21 20 19 18 17 16
NO. Description 1 Front Grill 2 Cabinet 3 Axial Flow Fan 4 Brushless DC Motor 5 Chassis Sub-assy 6 Drainage hole Cap 7 Drainage Joint 8 Cushioned Nut 9 Clap Board Assy 10 Compressor and Fittings 11 4-Way Valve Assy 12 Right Side Plate Assy 13 Valve Support Sub 14 Cut-off Valve 15 Back Cover Nut 16 Cut-off valve 1/4(N) 17 Back Cover Nut 18 Valve Cover 19 Union Nut 20 Union Nut 21 Handle 22 Supporter 23 Valve Support Block 24 Rear Grill 25 Electronic expansion valve member 26 Temperature Sensor 27 Condenser Assy 28 Electric Box Cover 29 Tube Clip 30 Main Board 31 Electric box 32 Top Cover-assy 33 Motherboard radiator 34 Motor Support Sub-Assy 35 Left Side Plate Some models may not contain some parts, please refer to the actual product. 84 Installation and Maintenance Service Manual
Service Manual
11. Removal Procedure
11.1 Removal Procedure of Indoor Unit
Caution: discharge the refrigerant
completely before removal.
Step
Procedure
Before disassemble
Turn off the air conditioner and disconnect the
power before disassemble the air conditioner.
1. Remove filter
Hold the handle on the filter, pull it upwards to let
the clasp at the top part of the filter loose, push it
forwards and then the filter can be pulled out.
2.Remove upper and lower guide louver
Push out the plug pin on upper and lower guide louver,
Bend the guide louver with hand and then separate
the guide louver from the crank shaft of step motor to
remove it.
85
Installation and Maintenance
Filter
Handle
Guide LouverService Manual
11. Removal Procedure
Step
Procedure
3.Remove panel
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 fixing the display on the panel
before removing the panel.
4.Remove electric box cover 2
Remove the screws on the electric box cover 2 to
remove the electric box cover 2.
5.Remove front case sub-assy
a
Remove the screws fixing 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.
b
Loosen the clasps at left, middle and right sides of front
case. Life the front case sub-assy upwards to remove it.
86
Installation and Maintenance
Panel rotation
Panel
Display
Screws
Screw
Electric box cover 2
Screws
Screw caps
Front case
sub-assy
Screws
Left clasp
Middle clasp
Right claspService Manual
11. Removal Procedure
Step
Procedure
6.Remove electric box assy
a
Remove the screw fixing electric box assy.
①Cut off the wire binder and pull out the
indoor tube temperature sensor.
②Screw off one grounding screw.
③Remove the wiring terminals of motor, cold
plasma generator and stepping motor.
④Remove the electric box assy.
⑤Screw off the screws that are locking each.
b
Twist off the screws that are locking the wire clip and
loosen the power cord. Remove the wiring terminal
of power cord. Lift up the main board and take it off.
C
Instruction:Some wiring terminal of this products
is with lock catch and other devices.The pulling
method is as below:
1.Remove the soft sheath for some terminals at first,
hold the circlip and then pull out the terminals,
2.Pull out the holder for some terminals at
first(holder is not available for some wiring terminal).
hold the connector and then pull the terminal.
87
Installation and Maintenance
Step motor
Electric box assy
Indoor tube
temperature sensor
Screws
Main board
Wiring terminal
of motor
Wire binder
Wiring terminal
of cold plasma
generator
Grounding
screw
Wiring terminal
of stepping motor
Power cord
Screw
Wire clip
Circlip
Holder
Connector
Soft sheath