Gree GWH24YE-S6DBA2A/I User manual

Service Manual
Models: GWH18YE-S6DBA2A
GWH24YE-S6DBA2A
(RefrigerantR32)
GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI

Service Manual
Table of Contents
Part I : Technical Information...............................................................................................1
1. Summary..................................................................................................................................................... 1
2. Specifications...................................................................................................................................... 2
2.1 Specification Sheet....................................................................................................................................... 2
2.2 Operation Characteristic C urve ..................................................................................................................4
2.3 Capacity Variation Ratio According to Tem perature..............................................................................4
2.4 Cooling and Heating Data Sheet in Rated Frequency ......................................................................... 5
2.5 Noise Curve.................................................................................................................................................... 5
3. Outline Dimension Diagram.........................................................6
3.1 Indoor Unit...................................................................................................................................................... 6
3.2 Outdoor U nit................................................................................................................................................... 7
4. Refrigerant System Diagram.............................................................................................8
5. Electrical Part....................................................................................................................................... 9
5.1 Wiring Diagram.............................................................................................................................................. 9
5.2 PCB Printed Diagram ..................................................................................................................................11
6. Function and Control...................................................................14
6.1 Remote Controller Introduction .............................................................................................................. 14
6.2 Operation of Smart Control (Smart Phone, Tablet PC) For G ree.....................................................19
6.3 Operation of Smart Control (Smart Phone, Tablet PC) .....................................................................33
6.4 Brief Description of Modes and Functions.............................................................................................46
Part II : Installation and Maintenance......................................... 51
7. Notes for Installation and Maintenance............................................................. 51
8. Installation............................................................................................................................................. 55
8.1 Installation Dimension Diagram............................................................................................................... 55
8.2 Installation Parts-checking ...................................................................................................................... 57
8.3 Selection of Installation Location............................................................................................................. 57
8.4 Electric Connection Requirement............................................................................................................57
8.5 Installation of Indoor Unit...........................................................................................................................57
8.6 Installation of Outdoor U nit....................................................................................................................... 60
8.7 Vacuum Pumping and Leak D etection................................................................................................... 61
8.8 Check after Installation and Test O peration..........................................................................................61
0 Table of Contents

Service Manual
9. Maintenance...................................................................................62
9.1 Error Code L is t.............................................................................................................................................. 62
9.2 Procedure of Troubleshooting....................................................................................................................69
9.3 Maintenance Method for Normal Malfunction......................................................................................... 83
10. Exploded View and Parts List
................................................... 85
10.1 Indoor U nit....................................................................................................................................................85
10.2 Outdoor U nit.................................................................................................................................................87
11. Removal Procedure.................................................................... 89
11.1 Removal Procedure of Indoor U n it......................................................................................................... 89
11.2 Removal Procedure of Outdoor U n it......................................................................................................94
Appendix:...................................................................................................................................................... io o
Appendix 1: Reference Sheet of Celsius and Fahrenheit........................................................................ 100
Appendix 2: Configuration of Connection Pipe............................................................................................100
Appendix 3: Pipe Expanding M ethod.............................................................................................................101
Appendix 4: List of Resistance for Temperature Sensor...........................................................................102
Table of Contents %

Service Manual
Part I : Technical Information
1. Summary
Indo or Unit:
GWH18YE-S6DBA2A/I
GWH24YE-S6DBA2A/I
O utdo or Unit:
GWH18YE-S6DBA2A/O
GWH24YE-S6DBA2A/O
Rem ote C ontroller:
YAG1FB
Technical Information %1

Service Manual
2. Specifications
2.1 Specification Sheet
Model GW H18YE-S6DBA2A GWH24YE-S6DBA2A
Product Code CB466000400 CB466000300
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50/60 50/60
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity W 5300 7000
Heating Capacity W 5570 7000
Cooling Power Input W 1320 1840
Heating Power Input W 1320 1750
Cooling Power Current A 5.9 11
Heating Power Current A 5.9 10.76
Rated Input W 3300 3700
Rated Current A / /
Air Flow Volume(SH/H/M/L/SL) m3/h 1200/1150/950/780/- 1250/1100/950/850/-
Dehumidifying Volume L/h 1.8 2
EER W/W 4.02 3.8
COP W/W 4.22 4
SEER W/W 6.6 6.5
HSPF W/W / /
Application Area m2 23-34 32-50
Model of indoor unit GWH18YE-S6DBA2A/I GWH24YE-S6DBA2A/I
Indoor Unit Product Code CB466N00400 CB466N00300
Fan Type Cross-flow Cross-flow
Diameter Length(DXL) mm 0108X830 0106X890
Fan Motor Cooling Speed r/min 1200/1150/1100/1000/900/850/800/600 1250/1100/1000/950/900/850/800/600
Fan Motor Heating Speed r/min 1250/1150/1100/1000/900/850/800/- 1400/1250/1100/1050/1000/900/850/-
Output of Fan Motor W 60 70
Fan Motor RLA A 0.24 0.38
Fan Motor Capacitor pF / /
Input of Heater W / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Indoor Unit Pipe Diameter mm 0 7 0 7
Row-fin Gap mm 2-1.4 2-1.5
Coil Length (LXDXW) mm 845X25.4X342.9 845X25.4X381
Swing Motor Model MP35CP/MP24HF MP35CJ
Output of Swing Motor W 2.5/1.5 2.5
Fuse A 3.15 3.15
Sound Pressure Level (SH/H/M/L/SL) dB (A) 48/45/43/40/37/35/33 50/46/43/41/39/37/35/27
Sound Power Level (SH/H/M/L/SL) dB (A) 60/57/55/52/49/47/45 64/60/57/55/53/51/49/41
Dimension (WXHXD) mm 1101X327X249 1101X327X249
Dimension of Carton Box (LXWXH) mm 1164X402X339 1164X402X339
Dimension of Package (LXWXH) mm 1167X405X354 1167X405X354
Net Weight kg 16.5 16.5
Gross Weight kg 20 20
20 Technical Information

Service Manual
Model of Outdoor Unit GWH18YE-S6DBA2A/O(LCLH) GW H24YE-S6DBA2A/O(LCLH)
Outdoor Unit Product Code CB466W00400 CB466W00300
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR
CO., LTD
ZHUHAI LANDA COMPRESSOR
CO., LTD
Compressor Model QXFT-D20zF030 QXFT-D20zF030
Compressor Oil FW68DA FW68DA
Compressor Type Rotary Rotary
L.R.A. A 30 30
Compressor RLA A 10.5 16
Compressor Power Input W 2260 2050
Overload Protector / /
Throttling Method Electron expansion valve Electron expansion valve
Operation Temp oC 16~30 16~30
Ambient Temp (Cooling) oC -18~52 -18~52
Ambient Temp (Heating) oC -30~24 -30~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm 07 07
Rows-fin Gap mm 2-1.4 3-1.5
Coil Length (LXDXW) mm 945X38.1X748 994X57.1X748
Fan Motor Speed rpm 820 820
Output of Fan Motor W 90 90
Outdoor Unit Fan Motor RLA A 0.65 0.65
Fan Motor Capacitor pF / /
Air Flow Volume of Outdoor Unit m3/h 4000 4000
Fan Type Axial-flow Axial-flow
Fan Diameter mm 0550 0550
Defrosting Method Automatic Defrosting Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
Permissible Excessive Operating MPa 4.3 4.3
Pressure for the Discharge Side
Permissible Excessive Operating MPa 2.5 2.5
Pressure for the Suction Side
Sound Pressure Level (H/M/L) dB (A) 56/-/- 56/-/-
Sound Power Level (H/M/L) dB (A) 63/-/- 66/-/-
Dimension (WXHXD) mm 1000X790X427 1000X790X427
Dimension of Carton Box (LXWXH) mm 1080X485X840 1080X485X840
Dimension of Package (LXWXH) mm 1083X488X855 1083X488X855
Net Weight kg 64 65
Gross Weight kg 69 70
Refrigerant R32 R32
Refrigerant Charge kg 1.5 2.0
Length m 5 7.5
Gas Additional Charge g/m 40 50
Connection
Pipe
Outer Diameter Liquid Pipe mm 06 06
Outer Diameter Gas Pipe mm 0 16 016
Max Distance Height m 20 30
Max Distance Length m 40 50
Note: The connection pipe applies metric diameter.
The above data is subject to change without notice; please refer to the nameplate of the unit.
Technical Information %
3

Current(A)
Service Manual
2.2 Operation Characteristic Curve
0 20 40 60 80 100 120 0 20 40 60 80 100 120
Compressor Frequency(Hz) Compressor Frequency(Hz)
2.3 Capacity Variation Ratio According to Temperature
C ooling Heating
110
100
90
IS 80
o
TO
S_
'Ô
S. 70
re
60
50
21 23 25 27 29 31 33 35 37 39 41 43 4 5 4 7 49 51 53
Outdoor temp. (°C)
-
X\
-
Condition
Indoor:DB 27°C WB19°C
Indoor air flow: Super High
Pipe length:5 or 7.5m
Outdoor temp(°C)
40 Technical Information

Service Manual
2.4 Cooling and Heating Data Sheet in Rated Frequency
C oolin g:
Rated cooling
condition(°C)
(DB/WB) Model
Pressure of gas pipe
connecting indoor and
outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger
Fan speed of
indoor unit
Fan speed of
outdoor unit
Compressor
frequency
(Hz)
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
27/19 35/24 18K 0.9 to 1.1 12 to 14 75 to 37 Super High High 52
27/19 35/24 24K 0.9 to 1.1 12 to 14 75 to 37 Super High High 72
H eatin g:
Rated heating
condition(°C)
(DB/WB) Model
Pressure of gas pipe
connecting indoor and
outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger
Fan speed of
indoor unit
Fan speed of
outdoor unit
Compressor
frequency
(Hz)
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
20/- 7/6 18K 2.8 to 3.0 70 to 35 2 to 4 Super High High 65
20/- 7/6 24K 2.8 to 3.0 70 to 35 2 to 4 Super High High 77
Instru ctio n:
T1: Inlet and outlet pipe temperature of evaporator
T2: Inlet and outlet pipe temperature of condenser
P: Pressure at the side of big valve
Connection pipe length: 5 or 7.5m.
2.5 Noise Curve
Super
High
Middle Middle
High Middle
High Low Low Super Low
60
58
<
m
T3
56
54
e
0
752
50
48
46
Hea ting --------
-------
N - Ctsoling
20 30 40 50 60 70 80 90 100
Compressor frequency(Hz)
Indoor fan motor rotating speed
Technical Information % 5

Service Manual
3. Outline Dimension Diagram
3.1 indoor Unit
W
218 685 198
Unit:mm
Model W H D
18/24K 1101 327 249
60 Technical Information

Service Manual
Technical Information %7

Service Manual
4. Refrigerant System Diagram
INDOOR UNIT OUTDOOR UNIT
Connection pipe specification:
Liquid pipe:1/4"(6mm )
Gas pipe: 5/8" (16mm)
0 Technical Information

Service Manual
5. Electrical Part
5.1 Wiring Diagram
•Instruction
Symbol Symbol Color Symbol Symbol Color Symbol Name
WH White GN Green CAP Jumper cap
YE Yellow BN Brown COMP Compressor
RD Red BU Blue ©Grounding wire
YEGN Yellow/Green BK Black / /
Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model.
• Indoor Unit
I— Q £
О
S C C
О Z
О LU
C Z C O
£3l (OPTIONAL)
= 3 WIRED
i - g RECEIVER AND CONTROLLER
DISPLAY BOARD i - ^ n
(OPTIONAL)
WIFI MODULE
в
RT1
в
RT2
AP1
AP4
J
з s a Е Й
T-SENSOR DISP1 DISP2 COM-MANUAL WIFI
CAP
JUMP
AP2
MAIN BOARD
DC-MOTOR SWING-UD
M1
SWING-LR
N
COM-OUT
AC-L
PE
HEALTH-L HEALTH-N
(5) ( “i )
LJ LJ
UP-DOWN LEFT-RIGHT
STEPPING STEPPING
MOTOR MOTOR
T
V
RD
T
V
ви
COLD PLASMA
GENERATOR
------------ Aw arn in g -------------
Please don't touch any
electronic component or
terminal when the machine
is running,stopping or has
been powered off for less
than 3 minutes to prevent
electric shock !
L1
L1
TT
.BU
BK
BN
TERMINAL
BLOCK
BU
YEGN
YEGN
N(1)
BK
BN
YEGN
XT1 CABLE
CC
О
О
О
I __ _
-» à Q P E
EVAPORATOR
INDOOR UNIT
6QQQQ7QQQ338
Technical Information %е

Service Manual
• Outdoor Unit
GWH18YE-S6DBA2A/O
------A W A R N I N G ------
Please d o n 't touch any
te rm in a l when th e voltage
o f term inal P(DC+) and
N(DC-) a t AP1 is higher
than 30V to prevent the
ris k o f e le c tr ic shock ! [>|<]
3 Ö S S B S B U(BU)V(YE)W(RD)
MANUAL CN12 0VC_C0MP
AP1
PRINTED CIRCUIT BOARD
INDC2
600007000844 Note: Motor ground
on ly applie s to the
iron s h e ll motor.
GWH24YE-S6DBA2A/O
----- A W A R N I N G ------
Please don’ t touch any
te rm in a l when the v o ltag e
o f te rm in a l P(DC+) and
N(DC-) a t AP1 is higher
than 30V to p revent the
ris k o f e le c tr ic shock !
CO
z
LU UJ
CÛ CO O CO
o
Q£ CL
CO
z
I— UJ
CO CO
< Û.
I s
X UJ
CO
CN z
UJ UJ
CÛ CO
COMP.
PE
RT2 RT3
kk
15K 50K
BK
T_SENS0R
COM INNER
R T 4 f
m
WH
3 g g g g U(BU)V(YE)W(RD)
SENS0R2 CN12 0VC_C0MP
AP1
P R I N T E D C I R C U IT B OA RD
4WAY FA(Red) FA2(White)
600007000800
FAN MOTOR y^P E
Note: Motor ground
on ly a p p lie s to th e
iro n s h e ll motor.
H4YVF
4-WAY
VALVE
ELECTRONIC ELECTRONIC
EXPANSION EXPANSION
VALVE A VALVE B
These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit.
10 • • • « • Technical Information

Service Manual
5.2 PCB Printed Diagram
• Top view
1 2 16 3 18 4
No. Name
1 Neutral wire
2 Needle stand for indoor fan
3 Auto button
4 Up&down swing motor
5 left&right swing motor
6 Interface of temperature sensor
7Terminal for display board
connection
8 Terminal of jum per cap
9 Communication wire
10 Connect earthing wire(only for
the mode with this function)
11 Fuse
12 Live wire interface
13 Interface of health function
neutral wire
14 Interface of health function live
wire
15 Detecting plate(WIFI )
16 Connect earthing wire(only for
the mode with this function)
17 W ired c o n tro lle r (o nly fo r the
mode with this function)
18 Interface of gate control (only
for the mode with this function)
Technical Information %11

Service Manual
18K
• Top view
11
1Terminal of compressor
wire
2Terminal of low pressure
protection
3Terminal of compressor
overload protection
4T e rm in a l o f o u td o o r
temperature sensor
5 Terminal of outdoor fan
6 Terminal of 4-way valve
7C o m m u n ic a tio n w ire
with indoor unit
8 Power supply live wire
9 Earthing wire
10 Pow er su p p ly neutral
wire
11 PFC induction wire
lOcQ '
10
• Bottom view
o
1
o
n
u
□
u « I I I I I I I
Ö € = □ • f f l M M im e u b I
l u Mil ^
Q
o
o
o
RS3 1
-------------
T
^ j É | | 0 n n
T n _m |J C P n n f i S ^ ____ I
qOJ D
7
12 0 Technical Information

Service Manual
24K
• Top view
10
11
12
13
14
No. Name
1 Interface of compressor
2Interface of temperature
sensor
3T e rm in a l o f c o m p re s s o r
overload protection
4L o w -te m p e ra tu re co olin g
sensor
5 Cooling A valve
6 Cooling B valve
7 Interface of outdoor motor
8 Interface of 2-way valve
9 Interface of 4-way valve
10 Term inal of chassis electric
heating
11 C o m m u n ic a tio n w ire w ith
indoor unit
12 Live wire interface of power
cord
13 Earthing wire interface of cold
plasma
14 Neutral wire interface of
power cord
• Bottom view
Technical Information %13

Service Manual
6. Function and Control
6.1 Remote Controller Introduction
Buttons on Remote Controller
L I Q
(before opening cover)
0 ON/OFF button
FAN button
MODE button
+/- button
(after opening cover)
ON/OFF button
FAN button
O MODE button
+/- button
@ TURBO button
0 ~ button
^1 button
@ CLOCK button
@ TIMER ON/
TIMER OFF button
® TEMP button
0 # ■ /£ button
® I FEEL button
© LICbHT button
® X-FAN button
(EG QUIET" button
(H> SLEEP button
Introduction for Icons on Display Screen
I feel -
Quiet-
Operation mode
Auto mode -
Cool mode -
Dry mode
Fan mode-
t Heat mode — m
Clock-
Sleep mode-
Light -
vjfi
A
^AUTO (D ^ Ô -
*? H H m
0'|QP.O'PHOUR
i D Q - O O o n o f f
-V -
----------Set fan sp^ejesd
---------- Turbo mode
----------Send signal
---------- Healtay mode
----------Scavenging functions
----------8"C(46<Sefeating function
--------- Set temperature
This is a general remote controller. Some
■ models fave this functio n while some do
not. Please refer to tfe actual models.
--------- X-FAN functicn
Set time
---------- TIMER ON /TIMER OFF
f t : Set temp.
Temp. display type
Child lock
■ Up & down swing
"Left & right swing
0 « : Outdoor ambient temp.
Q : Indoor ambient temp. i
Introduction for Buttons on Remote Controller
Note:
• After putting through the power, the air conditioner will give out a sound.Operation indictor " (^) " is ON (red indicator). After that, you can
operate the air conditioner by using remote controller.
• Under on status, pressing the button on the remote controller, the signal icon " ^ " on the display of remote controller will blink once and
the air conditioner will give out a “de” sound, which means the signal has been sent to the air conditioner.
• Under off status, set temperature and clock icon will be displayed on the display of remote controller (If tim er on, tim er off and light
functions are set, the corresponding icons will be displayed on the display of remote controller at the same time); Under on status, the
display will show the corresponding set function icons.
1. ON/OFF button
Press this button, the unit will be turned on, press it once more, the unit will be turned off. Sleep function will be canceled, while unit off.
14 0 # # • • • Technical Information

Service Manual
2. FAN button
Press this button, Auto, Low, Medium-low, Medium, Medium-high, High speed can be circularly selected. After powered on, Auto fan speed
is default. Under DRY mode, Low fan speed only can be set up.
- a t u o Note: It's Low fan speed
under Dry mode.
.«ill l l
^ Low fan Medium-low fan . l l Medium fan Medium-high fan I I I High fan
3. MODE button
Press this button, Auto, Cool, Dry, Fan, Heat mode can be selected circularly. Auto mode is default while power on. Under Auto mode, the
temperature will not be displayed;Under Heat mode, the initial value is 28°C( 82°F);Under other modes, the initial value is 25°C(77°F).
— G — A -
&*
(only for cooling and heating unit.
As for cooling only unit, it won't
have any action when it receives
a u t o c o o l d r y % FAN HEAT
4. +/- button
• Presetting temperature can be increased.
Press this button,the temperature can be set up, continuously press this button and hold for two seconds, the relative contents can quickly
change,until unhold this button and send the order that the °C(°F) signal will be displayed all the time.The temperature adjustment is
unavilable under the Auto mode, but the order can be sent by if pressing this button.Temperature of Celsius degree setting:16-30;for
Fahrenheit degree setting:61-86.
• Presetting temperature can be decreased.
Press this button, the temperature can be set up, continuously press this button and hold for two seconds, the relative contents can quickly
change,until unhold this button and send the order that the°C(°F) signal will be displayed all the time.The temperature adjustment is
unavailable under the Auto mode,but the order can be sent by if pressing this button.
5. TURBO button
Under Cool or Heat mode,press this button can turn on or turn off the Turbo function.After the Turbo function turned on, the signal of Turbo
will display. The signal will be automatically cancelled if changing the mode or fan speed.
6. •'777- button
Press this button to set left & right swing angle cycling as below:
'/ i\ s ' ~ r i ^ | \
off" - '
7. ^1 button
Press this button to set swing angle,which circularly changes as below:
^1 * \ * " \ I
O FF -*-^1
This remote controller is universal. If it receives threes kinds of follow ing status,the swing angle will remain origial.
If guide louver is stopped when it is swinging up and down,it will remain its present position.
indicates guide louver swings back and forth in the five places,as shown in the figure.
8. CLOCK button
Press this button, the clock can be set up,signal 0 blink and display.Within 5 seconds, the value can be adjusted by pressing + or - button,
if continuously press this button for 2 seconds above,in every 0.5 seconds, the value on ten place of Minute will be increased I.During
blinking,repress the Clock button or Confirm button,signal © will be constantly d i splayed and it denotes the setting succeeded. After
powered on, 12:00 is defaulted to display and signal © will be displayed. I F there is signal © be displayed that denotes the current time
value is Clock value, otherwise is Timer value.
9. TIMER ON/TIMER OFF button
• Timer On setting: Signal “ON”will blink and display,signal © will conceal,the nu merical section will become the tim er on setting status.
During 5 seconds blink,by pressing + or - button to adjust the time value of numerical section,every press of that button,the value will be
increased or decreased 1 minute.Hold pressing + or - button,2 seconds later,it quickly change,the way of change is: During the initial 2.5
seconds,ten numbers change in the one place of minute,then the one place is constant,ten numbers change in the ten splace of minute at
2.5 seconds speed and carry. During 5s blink,press the Timer button,the tim er setting succeeds.The Timer On has been set up,repress the
timer button,theTimer On will be canceled. Before setting theTimer,please adjust the Clock to the current actual time.
• One press this key to enter into TIMER OFF setup, in which case the TIMER OFF icon will blink. The method of setting is the sameas for
TIMER ON.
Technical Information %15

Service Manual
10. TEMP button
Press this button, you can see indoor set temperature, indoor ambient tem perature or outdoor ambient tem perature on indoor unit's
display. The setting on remote controller is selected circularly as below:
controller, temperature indicator on indoor unit displays outdoor ambient temperature. 3s later it will return to the setting temprature or it
depends on the other received signal within 3s.
Attention: When displaying the outdoor ambient, the displaying range is 32-99°F and 0-60°C.When it goes beyond the range, it keeps the
threshold data (the smallest— 0°C or 32°F and the largest 99°F or 60°C).
Warm tips: When operating buttons on the cover please make sure the cover is cl osed completely.
11. - ^ / ^ b utton(T his fun c tio n is o n ly available fo r som e m odels)
Press this button to achieve the on and off of healthy and scavenging functions in operation status.Press this button for the first
time to start scavenging function;LCD displays“ ^ ”.Press the button for the second time to start healthy and scavenging functions
simultaneously;LCD displays“ ^ ”and “^ - ” .Press this button for the third time to quit healthy and scavenging functions simultaneously.
Press the button for the fourth time to start healthy function; LCD display“^ - ” .Press this button again to repeat the operation above.
12. I FEEL button
Press this button once, to turn on the I FEEL function, then the figure of "I FEEL" will be displayed, after every press of other function
button, every 200ms to send I FEEL once, after this function started,the remote control will send temperature to the main un it in every 10
minutes.When repress this button, this function will be turned off.
13. LIGHT button
Press this button at unit On or Off status,Light On and Light Off can be set up.After powered on, Light On is defaulted.
14. X-FAN button
Pressing X-FAN button in COOL or DRY mode,the icon ^ is displayed and the indoor fan will continue operation for 2 minutes in order
to dry the indoor unit even though you have turned off the unit.After energization, X-FAN OFF is defaulted.X-FAN is not available in
AUTO,FAN or HEAT mode.
15. QUIET button
Press this button,the Quiet status is under the Auto Quiet mode (display" ^ " and “Auto”signal ) and Quiet mode(display " £i)" singal) and
Quiet OFF(there is no signal of " £ }" displayed),after powered on,the Quiet OFF is defaulted. Under the Quiet mode (Display " "signal),
the fan speed is not available.
16. SLEEP button
• Press this button, can select Sleep 1 ( ), Sleep 2 ( ),Sleep 3 ( ) and cancel the Sleep, circulate between these, after
electrified, Sleep Cancel is defaulted.
•S leep 1 is Sleep mode 1, in Cool, Dehumidify modes: sleep status after run for one hour, the main unit setting temp erature will increase
1°C(1°F~2°F), 2 hours,setting temperature increased 2°C(3°F~4°F), the unit will run at this setting temperature; In Heat mo de: sleep status
after run for one hour, the setting temperature will decrease 1°C(1°F~2°F), 2 hours, setting temperature will decrease 2°C(3°F~4°F), then
the unit will run at this setting temperature.
•S leep 2 is sleep mode 2, that is air conditioner will run according to the presetting a group of sleep temperature curve.
In Cool mode:
(1) When setting the initial temperature 16~23°C(61°F~74°F), after turned on Sleep function, the temperature will be increased 1°C(1°F~2°F)
in every hour,after 3°C(5°F~6°F) the temperature will be maintained, after 7hours,the temperature will be decreased 1°C(1°F~2°F), after
that the unit will keep on running under this temperature;
(2) When setting the initial temperature 24~27°C(75°F~81°F), after turned on Sleep function, the temperature will be increased 1°C(1°F~2°F)
in every hour,after 2°C(3°F~4°F) the temperature will be maintained, after 7hours,the temperature will be decreased 1°C(1°F~2°F) , after
that the unit will keep on running under this temperature;
(3) When setting the initial temperature 28~29°C(82°F~85°F), after turned on Sleep function, the temperature will be increased 1°C(1°F~2°F)
in every hour, after 1°C(1°F~2°F) the temperature will be maintained, after 7hours,the temperature will be decreased 1°C(1°F~2°F) , after
that the unit will keep on running under this temperature;
(4) When setting the initial temperature 30°C(86°F), under this temperature setting, after 7hours, the temperature will be decreased
1°C(1°F~2°F), after that the unit will keep on running under this temperature;
In Heat mode:
(1) Under the initial presetting temperature 16°C(61°F), it will run under this setting temperature all along.
(2) Under the initial presetting temperature17~20°C(62°F~68°F), after Sleep function started up, the temperature will decrease 1°C(1°F~2°F)
in every hour, after 1°C(1°F~2°F) decreased, this temperature will be maintained.
(3) Under the initial presetting temperature 21~27°C(69°F~81°F), after Sleep function started up, the tem perature will decrease
1°C(1°F~2°F) in every hour,after 2°C(3°F~4°F) decreased, this temperature will be maintained.
(4) Under the initial presetting temperature 28~30°C(82°F~86°F), after Sleep function started up, the temperature will decrease
1°C(1°F~2°F) in every hour, after 3°C(5°F~6°F) decreased, this temperature will be maintained.
When selecting " 0 " with remote controller or no display, temperature indicator on indoor unit displays set temperature; When selecting
" {Tf " with remote controller,temperature indicator on indoor unit displays indoor ambient temperature; When selecting " Q i " with remote
16 0 Technical Information

Service Manual
•Sleep 3- the sleep curve setting under Sleep mode by DIY:
(1) Under Sleep 3 mode, press "Turbo" button for a long time, remote control enters into user individuation sleep setting status, at this
time, the time of remote control will display "Ih o u r ", the setting temperature "88" will display the corresponding temperature of last setting
sleep curve and blink (The first entering will display according to the initial curve setting value of original factory);
(2) Adjust "+" and "-" button, could change the corresponding setting temperature, after adjusted, press "Trubo "button for confirmation;
(3) At this time, Ih ou r will be automatically increased at the tim er postion on the remote control, (that are "2hours" or "3hours" or "8hours "),
the place of setting temperature "88" will display the corresponding temperature of last setting sleep curve and blink;
(4) Repeat the above step (2)~(3) operation, until 8hours temperature setting finished, sleep curve setting finished, at this time, the remote
control will resume the original tim er display;temperature display will resume to original setting temperature.
•S leep3- the sleep curve setting under Sleep mode by DIY could be inquired:
The user could accord to sleep curve setting method to inquire the presetting sleep curve, enter into user individuation sleep setting
status, but do not change the temperature, press "Turbo" button directly for confirmation.
Note: In the above presetting or enquiry procedure, if continuously within10s, there is no button pressed, the sleep curve setting status will
be automatically quit and resume to display the original displaying. In the presetting or enquiry procedure, press "ON/OFF" button, "Mode"
button, "Timer" button or "Sleep" button, the sleep curve setting or enquiry status will quit similarly.
17. A bo u t X-FAN fu n ctio n
This function indicates that moisture on evaporator of indoor unit will be blowed after the unit is stopped to avoid mould.
(1)Having set X-FAN function on: After turning off the unit by pressing ON/OFF button indoor fan will continue running for about 2 min. at
low speed. In this period, press X-FAN button to stop indoor fan directly.
(2)Having set X-FAN function off: After turning off the unit by pressing ON/OFF button, the complete unit will be off directly.
18. A bo u t AUTO RUN
When AUTO RUN mode is selected, the setting temperature will not be displayed on the LCD, the unit will be in accordance with the room
temp. automatically to select the suitable running method and to make ambient comfortable.
19. A bo u t tu rb o fu n c tion
If start this function, the unit will run at super-high fan speed to cool or heat quickly so that the ambient temp. approachs the preset temp.
as soon as possible.
20. A bo u t lock
Press + and - buttons simultaneously to lock or unlock the keyboard. If the remote controlleris locked, the icon ^ will be displayed on it, in
which case, press any button, the mark will flicker for three times. If the keyboard is unlocked, the mark will disappear.
21. A bo u t sw ing up and dow n
(1)Press swing up and down button continuously more than 2s,the main unit will swing back and forth from up to down, and then loosen
the button, the unit will stop swinging and present position of guide louver will be kept immediately.
(2)Under swing up and down mode, when the status is switched from off to ^1 , if press this button again 2s later, ^1 status will switch
to off status directly; if press this button again within 2s,the change of swing status will also depend on the circulation sequence stated
above.
22. A bo u t sw ing left and right
(1)Press swing left and right button continuously more than 2s,the main unit will swing back and forth from left to right, and then loosen the
button, the unit will stop swinging and present position of guide louver will be kept immediately.
(2)Under swing left and right mode, when the status is switched from off to , if press this button again 2s later, status will switch
to off status directly; if press this button again within 2s,the change of swing status will also depend on the circulation sequence stated
above.
23. A bo u t sw itch between Fahrenheit and C entigrade
Under status of unit off, press MODE and - buttons simultaneously to switch °C and °F.
24. C om bination o f " TEM P" and "C LO CK " b u tton s : A bo u t E nergy-saving F unction
Press “TEMP” and “CLOCK” simultaneously in COOL mode to start energy-saving function.Nixie tube on the remote controller displays “SE”.
Repeat the operation to quit the function.
25. C om bination o f " TEM P" and "C LO CK " b u tton s : A bo u t 8°C(46°F) Heating Function
Press “TEM P” and “CLOCK” simultaneously in HEAT mode to start 8°C(46°F) Heating Function.Nixie tube on the remote controller
displays" ® "and a selected temperature of “8°C” (46°F if Fahrenheit is adopted). Repeat the operation to quit the function.
26. A bo u t A u to Q uiet fun ction
When auto quiet function is selected:
(1)Under cooling mode: indoor fan operates at notch 4 speed. 10 minutes later or when indoor ambient temperature<28°C(82°F), indoor
fan will operate at notch 2 speed or quiet mode according to the comparison between indoor ambinet temperature and set temperature.
(2)Under heating mode: indoor fan operates at notch 3 speed or quiet mode according to the comparison between indoor ambient
temperature and set temperature.
(3)Under dry, fan mode: indoor fan operates at quiet mode.
(4)Under auto mode: the indoor fan operates at the auto quiet mode according to actual cooling, heating or fan mode.
27. A bo u t Sleep fun ctio n
Under the Fan and Auto mode, the Sleep function cannot be set up, under Dehumidify mode, only Sleep 1 can be selected.Select and
enter into any kind of Sleep mode, the Quiet function will be attached and stared, different Quiet status could be optional and turned off.
Technical Information %17