Quietside QS09-VP115 User manual

QS09-VJ115

QS12-VJ115

QS09-VP115

QS12-VP115

(Refrigerant R410A)

Model:

Service Manual

Table of Contents

Part

Ⅰ

: Technical Information

................................................. 1

1. Summary

........................................................................................................................ 1

2. Specications

............................................................................................................ 2

2.1 Specication Sheet ............................................................................................................. 2

2.2 Operation Characteristic Curve .......................................................................................... 4

2.3 Capacity Variation Ratio According to Temperature ........................................................... 4

2.4 Noise Curve ........................................................................................................................ 5

2.5 Cooling and Heating Data Sheet in Rated Frequency ....................................................... 5

3. Outline Dimension Diagram

.......................................................................... 6

3.1 Indoor Unit .......................................................................................................................... 6

3.2 Outdoor Unit ....................................................................................................................... 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

........................................................................................ 13

6.1 Remote Controller Introduction ....................................................................................... 13

6.2 Brief Description of Modes and Functions ........................................................................ 17

Part

Ⅱ

: Installation and Maintenance

..................... 22

7. Notes for Installation and Maintenance

............................................ 22

8. Installation

.................................................................................................................. 24

8.1 Installation Dimension Diagram ........................................................................................ 24

8.2 Installation Parts-checking .............................................................................................. 26

8.3 Selection of Installation Location ...................................................................................... 26

8.4 Requirements Forelectric Connection .............................................................................. 26

Service Manual

8.5 Installation of Indoor Unit .................................................................................................. 26

8.6 Installation of Outdoor Unit ............................................................................................... 29

8.7 Vacuum Pumping and Leak Detection ............................................................................. 30

8.8 Check after Installation and Test operation ...................................................................... 30

9. Maintenance

.............................................................................................................. 31

9.1 Troubleshooting for Normal Malfunction ........................................................................... 31

9.2 Error Code List ................................................................................................................. 35

9.3 Troubleshooting for Main Malfunction .............................................................................. 42

10. Exploded View and Parts List

................................................................ 50

10.1 Indoor Unit ...................................................................................................................... 50

10.2 Outdoor Unit ................................................................................................................... 52

11. Removal Procedure

......................................................................................... 56

11.1 Removal Procedure of Indoor Unit ................................................................................. 56

11.2 Removal Procedure of Outdoor Unit .............................................................................. 59

Appendix:

.......................................................................................................................... 67

Appendix 1: Reference Sheet of Celsius and Fahrenheit ...................................................... 67

Appendix 2: Conguration of Connection Pipe ....................................................................... 67

Appendix 3: Pipe Expanding Method ..................................................................................... 68

Appendix 4: List of Resistance for Ambient Temperature Sensor .......................................... 69

1

Technical Information

Service Manual

1. Summary

Indoor Unit:

Outdoor Unit:

Part

Ⅰ

: Technical Information

QS09-VJ115

QS12-VJ115

QS09-VP115

QS12-VP115

Remote Controller:

YB1FAF

ON/ OFF

MOD E

FAN

CLO CK TIM ER ON

X-F AN TEMP

TIM ER OF F

TURB O SLEE P LIG HT

2

Technical Information

Service Manual

2. Specications

2.1 Specication Sheet

Model

QS09-VJ115

QS09-VP115

QS12-VJ115

QS12-VP115

Product Code CB16300021_K90639 CB16300041_K90639

Power

Supply

Rated Voltage V~ 115 115

Rated Frequency Hz 60 60

Phases 1 1

Power Supply Mode Outdoor Outdoor

Cooling Capacity(Min~Max) Btu/h 9000(4436~11997) 12000(4500~13999)

Heating Capacity(Min~Max) Btu/h 9500(3412~12488) 13000(3753~14498)

Cooling Power Input(Min~Max) W 660(120~1300) 1000(120~1450)

Heating Power Input(Min~Max) W 700(220~1350) 1200(220~1500)

Cooling Current Input A 16 17.5

Heating Current Input A 16.5 18

Rated Input W 1350 1500

Rated Current A 16.5 18

Air Flow Volume (SH/H/M/L) CFM 300/277/253/218 330/294/253/218

Dehumidifying Volume Pint/h 1.69 2.96

EER (Btu/h)/W 13.64 12

COP (Btu/h)/W 13.57 10.83

SEER 22 20

HSPF 9.8 9.6

Application Area m

2

12-18 16-24

Indoor Unit

Indoor Unit Model QS09-VJ115 QS12-VJ115

Indoor Unit Product Code CB163N0021_K90639 CB163N0041_K90639

Indoor Unit Fan Type Cross-ow Cross-ow

Indoor Unit Fan Diameter Length(DXL) inch Φ3 5/8X25 2/5 Φ3 5/8X25 2/5

Cooling Speed (SH/H/M/L) r/min 1260/1070/900/730 1290/1070/900/690

Heating Speed (SH/H/M/L) r/min 1280/1050/980/920 1280/1050/980/920

Indoor Unit Fan Motor Power Output W 20 20

Indoor Unit Fan Motor RLA A 0.38 0.38

Indoor Unit Fan Motor Capacitor μF 4 4

Heater Power Input W / /

Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube

Evaporator Pipe Diameter inch 0.28 0.28

Evaporator Row-n Gap inch 2-1/16 2-1/16

Evaporator Coil Length (LXDXW) inch 25 2/5X1X10 1/2 25 2/5X1X10 1/2

Swing Motor Model MP24AA MP24AA

Swing Motor Power Output W 2.4 2.4

Fuse Current A 3.15 3.15

Sound Pressure Level (SH/H/M/L) dB (A) 38/34/30/26 40/36/32/26

Sound Power Level (SH/H/M/L) dB (A) 48/44/40/36 50/46/42/36

Dimension (WXHXD) inch 33 1/4X10 5/6X7 33 1/4X10 5/6X7

Dimension of Carton Box (LXWXH) inch 36X10X14 36X10X14

Dimension of Package (LXWXH) inch 36 1/7X 10 1/6X14 4/7 36 1/7X 10 1/6X14 4/7

Indoor Unit Net Weight lb 22.1 22.1

Indoor Unit Gross Weight lb 28.7 28.7

3

Technical Information

Service Manual

The above data is subject to change without notice; please refer to the nameplate of the unit.

Outdoor Unit

Outdoor Unit Model QS09-VP115 QS12-VP115

Outdoor Unit Product Code CB190W0041_K90639 CB190W0061_K90639

Compressor Manufacturer

ZHUHAI LANDA

COMPRESSOR CO., LTD

ZHUHAI LANDA

COMPRESSOR CO., LTD

Compressor Model QXA-A091zE190 QXA-A091zE190

Compressor Oil FVC68D/RB68EP FVC68D/RB68EP

Compressor Type Rotary Rotary

Compressor LRA. A / /

Compressor RLA A 16.03 17.53

Compressor Power Input W 980 980

Compressor Overload Protector 1NT11L-6233 1NT11L-6233

Throttling Method Electron expansion valve Electron expansion valve

Set Temperature Range °F 61~86 61~86

Cooling Operation Ambient Temperature

Range

°F 55~115 55~115

Heating Operation Ambient Temperature

Range

°F 5~75 5~75

Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube

Condenser Pipe Diameter inch Φ3/8 Φ3/8

Condenser Rows-n Gap inch 2-1/16 2-1/16

Condenser Coil Length (LXDXW) inch 29 2/5X1 3/4X20 29 2/5X1 3/4X22

Outdoor Unit Fan Motor Speed rpm 900 900

Outdoor Unit Fan Motor Power Output W 30 30

Outdoor Unit Fan Motor RLA A 0.17 0.17

Outdoor Unit Fan Motor Capacitor μF / /

Outdoor Unit Air Flow Volume CFM 1059 1177

Outdoor Unit Fan Type Axial-ow Axial-ow

Outdoor Unit Fan Diameter inch 15 3/4 15 3/4

Defrosting Method Automatic Defrosting Automatic Defrosting

Climate Type T1 T1

Isolation I I

Moisture Protection IP24 IP24

Permissible Excessive Operating

Pressure for the Discharge Side

MPa 4.3 4.3

Permissible Excessive Operating

Pressure for the Suction Side

MPa 2.5 2.5

Sound Pressure Level (H/M/L) dB (A) 53/50/46 55/53/49

Sound Power Level (H/M/L) dB (A) 63/60/56 65/63/59

Dimension (WXHXD) inch 33 2/5X21 1/4X12 3/5 33 2/5X23 1/3X12 3/5

Dimension of Carton Box (LXWXH) inch 34 4/7X14 1/6X22 5/6 34 4/7X14 1/6X24 4/5

Dimension of Package (LXWXH) inch 34 2/3X14 2/7X23 3/7 34 2/3X14 2/7X25 2/5

Outdoor Unit Net Weight lb 72.8 75

Outdoor Unit Gross Weight lb 81.6 83.8

Refrigerant R410A R410A

Refrigerant Charge oz 42.3 45.8

Connection

Pipe

Connection Pipe Length ft 25 25

Connection Pipe Gas Additional Charge oz/ft. 0.22 0.22

Outer Diameter Liquid Pipe inch 1/4" 1/4"

Outer Diameter Gas Pipe inch 3/8" 3/8"

Max Distance Height ft 32.8 32.8

Max Distance Length ft 49.2 65.6

4

Technical Information

Service Manual

2.2 Operation Characteristic Curve

2.3 Capacity Variation Ratio According to Temperature

Cooling: Heating:

0 10 20 30 40 50 60 70 90 0 10 20 30 40 50 60 70 80 90 100 120

80

25.0

22.5

20.0

17.5

15.0

12.5

10.0

7.5

5.0

2.5

0

Compressor speed (rps)

25.0

22.5

20.0

17.5

15.0

12.5

10.0

7.5

5.0

2.5

0

Compressor speed (rps)

110

0 10 20 30 40 50 60 70 90 0 10 20 30 40 50 60 70 80 90 100 120

80

25.0

22.5

20.0

17.5

15.0

12.5

10.0

7.5

5.0

2.5

0

Compressor speed (rps)

Current (A)

25.0

22.5

20.0

17.5

15.0

12.5

10.0

7.5

5.0

2.5

0

Compressor speed (rps)

:

110

90

80

120

110

100

40

60

80

Capacity ratio (%)

20

0

Outdoor temp. (˚F)

70

Conditions

Indoor: DB70°F/WB60°F

Outdoor: DB47°F/WB43°F

Indoor air flow: TURBO

Pipe length: 25 ft.

Conditions

Indoor: DB70°F/WB60°F

Outdoor: DB47°F/WB43°F

Indoor air flow: TURBO

Pipe length: 25 ft.

Conditions

Indoor: DB80°F/WB67°F

Outdoor: DB95°F/WB75°F

Indoor air flow: TURBO

Pipe length: 25 ft.

Conditions

Indoor: DB80°F/WB67°F

Outdoor: DB95°F/WB75°F

Indoor air flow: TURBO

Pipe length: 25 ft.

Conditions

Indoor: DB80°F/WB67°F

Indoor air flow: TURBO

Pipe length: 25 ft.

90 91 93 95 97 99 100 102 104 106 108 109 111 113 115

Conditions

Indoor: DB70°F

Indoor air flow: TURBO

Pipe length: 25 ft.

19 23 32 41 50

Cooling: Heating:

0 10 20 30 40 50 60 70 90 0 10 20 30 40 50 60 70 80 90 100 120

80

25.0

22.5

20.0

17.5

15.0

12.5

10.0

7.5

5.0

2.5

0

Compressor speed (rps)

25.0

22.5

20.0

17.5

15.0

12.5

10.0

7.5

5.0

2.5

0

Compressor speed (rps)

110

0 10 20 30 40 50 60 70 90 0 10 20 30 40 50 60 70 80 90 100 120

80

25.0

22.5

20.0

17.5

15.0

12.5

10.0

7.5

5.0

2.5

0

Compressor speed (rps)

Current (A)

25.0

22.5

20.0

17.5

15.0

12.5

10.0

7.5

5.0

2.5

0

Compressor speed (rps)

:

110

90

80

120

110

100

40

60

80

Capacity ratio (%)

20

0

Outdoor temp. (˚F)

70

Conditions

Indoor: DB70°F/WB60°F

Outdoor: DB47°F/WB43°F

Indoor air flow: TURBO

Pipe length: 25 ft.

Conditions

Indoor: DB70°F/WB60°F

Outdoor: DB47°F/WB43°F

Indoor air flow: TURBO

Pipe length: 25 ft.

Conditions

Indoor: DB80°F/WB67°F

Outdoor: DB95°F/WB75°F

Indoor air flow: TURBO

Pipe length: 25 ft.

Conditions

Indoor: DB80°F/WB67°F

Outdoor: DB95°F/WB75°F

Indoor air flow: TURBO

Pipe length: 25 ft.

Conditions

Indoor: DB80°F/WB67°F

Indoor air flow: TURBO

Pipe length: 25 ft.

90 91 93 95 97 99 100 102 104 106 108 109 111 113 115

Conditions

Indoor: DB70°F

Indoor air flow: TURBO

Pipe length: 25 ft.

19 23 32 41 50

Cooling: Heating:

0 10 20 30 40 50 60 70 90 0 10 20 30 40 50 60 70 80 90 100 120

80

25.0

22.5

20.0

17.5

15.0

12.5

10.0

7.5

5.0

2.5

0

Compressor speed (rps)

25.0

22.5

20.0

17.5

15.0

12.5

10.0

7.5

5.0

2.5

0

Compressor speed (rps)

110

0 10 20 30 40 50 60 70 90 0 10 20 30 40 50 60 70 80 90 100 120

80

25.0

22.5

20.0

17.5

15.0

12.5

10.0

7.5

5.0

2.5

0

Compressor speed (rps)

Current (A)

25.0

22.5

20.0

17.5

15.0

12.5

10.0

7.5

5.0

2.5

0

Compressor speed (rps)

:

110

90

80

120

110

100

40

60

80

Capacity ratio (%)

20

0

Outdoor temp. (˚F)

70

Conditions

Indoor: DB70°F/WB60°F

Outdoor: DB47°F/WB43°F

Indoor air flow: TURBO

Pipe length: 25 ft.

Conditions

Indoor: DB70°F/WB60°F

Outdoor: DB47°F/WB43°F

Indoor air flow: TURBO

Pipe length: 25 ft.

Conditions

Indoor: DB80°F/WB67°F

Outdoor: DB95°F/WB75°F

Indoor air flow: TURBO

Pipe length: 25 ft.

Conditions

Indoor: DB80°F/WB67°F

Outdoor: DB95°F/WB75°F

Indoor air flow: TURBO

Pipe length: 25 ft.

Conditions

Indoor: DB80°F/WB67°F

Indoor air flow: TURBO

Pipe length: 25 ft.

90 91 93 95 97 99 100 102 104 106 108 109 111 113 115

Conditions

Indoor: DB70°F

Indoor air flow: TURBO

Pipe length: 25 ft.

19 23 32 41 50

QS09-VJ115 QS09-VP115

QS12-VJ115 QS12-VP115

5

Technical Information

Service Manual

2.5 Cooling and Heating Data Sheet in Rated Frequency

2.4 Noise Curve

Cooling:

Rated cooling

condition(°F) (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

revolution

Indoor Outdoor P (MPa) T1 (°F) T2 (°F)

80/67 95/-

QS09-VJ115

QS09-VP115

0.8 ~ 1.1

12 to 15 65 to 38

TURBO High

Rated

QS12-VJ115

QS12-VP115

11 to 14 64 to 37 Rated

Instruction:

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:25 ft.

Heating:

Rated cooling

condition(°F) (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

revolution

Indoor Outdoor P (MPa) T1 (°F) T2 (°F)

67/60 47/43

QS09-VJ115

QS09-VP115

2.8 ~ 3.2

35 to 63 2 to 5

TURBO High

Rated

QS12-VJ115

QS12-VP115

35 to 65 2 to 5 Rated

40

30

20

Indoor side noise when blowing

Outdoor side noise

Indoor fan motor rotating speed

Low Middle High

Compressor frequency/Hz

35

25

Turbo

QS09-VJ115

QS12-VJ115

Noise/dB(A)

80 1006040200

70

60

50

40

30

45

QS09-VP115

QS12-VP115

6

Technical Information

Service Manual

3. Outline Dimension Diagram

3.1 Indoor Unit

Unit:inch

33 1/4"

5 1/8" 21 1/3"

2 5/7"

4 7/8"

2 1/6"2 1/6"

6 4/5"

10 5/6"

7"

7

Technical Information

Service Manual

21 1/4"

30 5/9"

10 1/8"

W D

11 1/4"

H

3.2 Outdoor Unit

Unit:inch

Model W H D

QS09-VP115 33 2/5" 21 1/4" 12 3/5"

QS12-VP115 33 2/5" 23 1/3" 12 3/5"

8

Technical Information

Service Manual

4. Refrigerant System Diagram

Connection pipe specication:

Liquid : 1/4" (6 mm) Gas : 3/8" (9.52mm)

Indoor unit

Outdoor unit

Indoor unit

Outdoor unit

COOLING

HEATING

Accumlator

4-Way valve

COOLING

Discharge

Suction

Discharge

Suction

Heat

exchanger

(evaporator)

Heat

exchanger

(evaporator)

Heat

exchanger

(condenser)

Heat

exchanger

(condenser)

Valve

Liquid pipe

side

Gas pipe

side

Liquid pipe

side

Gas pipe

side

Compressor

Strainer

Electron

expansion

valve

Strainer

Electron

expansion

valve

9

Technical Information

Service Manual

5. Electrical Part

5.1 Wiring Diagram

● Indoor Unit

●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 / /

VT Violet OG Orange / /

Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model.

L-OUT

L1

0 0

RT1 RT2

M2

JUMP

CAP

TEM.SENSOR

ROOM

TUBE

TEM.SENSOR

FAN MOTOR

SWING MOTOR(U.D)

AP2

SWING-UD

K4

TUBEROOM

AC-L

PG

PGF

TR_OUT

TR_IN

TC

TRANSFORMER

13

DISPLAY

AP1

CN1

CN2

DISP2

DISP1

M1

GG

XT

W4 BU

W3 BN

N(1)

OUTDOOR UNIT

2

3

COM-OUT

W1 YEGN

YEGN

N

W5 BK

3

2

N(1)

XT1

TERMINAL

BLOCK

W2

I

II

ELECTRIC BOX

EVAPORATOR

10

Technical Information

Service Manual

● Outdoor Unit

These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit.

SAT

L3L3

CN2

HEAT1

HEAT -N

HEAT2

θ

RT3

RT2

θ

RT1

θ

TUBE

TEM.SENSOR

EXHAUST

OUTROOM

TEM.SENSOR

N

HEATER

(CHASSIS)

(COMP)

HEATER

W5

W6

W7

W11 WH

W12 RD

W2 BU

W1 BN

W4 BK

W9 YEGN

L1

G

L4

W13 YEGN

L

N

2

3

N(1)

L

POWER

2

3

N(1)

INDOOR

UNIT

TERMINAL

BLOCK

W19 RD

W14 BU

AC-L3

AC-L2

AC-N4

AC-N3

AC-N5 AC-L4AC-L2

W16 BN

W17 WH

W15 BU W18 OG

G

L2 L2 L2

G

CN1

EKV

COMU

AC-N2

4V

AC-L1

AC-N

RD

YE

BU

FAN MOTOR

W8 YEGN

COMP

W10 RD

W3 YEGN

AP1

W

V

U

V

W

E

U

OVERHEAT

E

OFAN

4YV

XT

3

4

E

2

1

FILTER

XT1

1

2

1

2

C3

C4

EH2

EH1

M

COMP

11

Technical Information

Service Manual

5.2 PCB Printed Diagram

● Top view

Indoor unit

● Bottom view

1 Neutral wire interface

2 Transformer input

3 PG motor interface

4

Neutral and live wire communication

interface

5 Auto button

6 PG motor feedback interface

7 Up&down swing interface

8 Jumper cap

9

Indoor ambient temp. sensor

interface

10 Tube temp. sensor interface

11 Display interface

12 Live wire interface

13 Transformer output

1 2

3

4

5 6 7

13

12

8

9

10

11

12

Technical Information

Service Manual

1 2 3 4 5 6

7

8

9

11 10

● Top view

Outdoor unit

● Bottom view

1 Port of DC fan motor 4

Port of compressor

electric heating band

7

Port of power supply

neutral wire

10

Port of electric expansion

valve

2 Port of AC fan motor 5

Port of compressor

electric heating band

8 Port of earthing wire 11 Port of compressor output

3 Port of DC fan motor 6

Port of power supply

neutral wire

9

Port of communication

wire

/ /

13

Technical Information

Service Manual

6. Function and Control

6.1 Remote Controller Introduction

Buttons on Remote Controller

Introduction

for Icons on Display Screen

Introduction for Buttons on Remote Controller

ON/OFF Button

2

3

1

5

6

4

8

9

7

11

12

10

MODE Button

+/- Button

FAN Button

TIMER ON/TIMER-OFF Button

X-FAN Button

TEMP Button

LIGHT Button

SLEEP Button

CLOCK Button

TURBO Button

Button

2

6

8

3

9

10

7

5

12

11

4

1

Auto mode

Cool mode

Heat mode

Fan mode

Dry mode

Clock

Light

Child lock

TIMER ON/TIMER OFF

Up&down swing

:Indoor ambient temp.

:Set temp.

:Outdoor ambient temp.

Sleep mode

Set temperature

Send signal

Turbo mode

Set time

X-fan mode

Set fan speed

Operation mode

Temp. display type

1. ON/OFF Button

Press this button can turn on or turn off the air conditioner. After turning on the air conditioner, operation indicator " " on indoor

unit’s display is ON (green indicator. The colour is different for different models), and indoor unit will give out a sound.

2. MODE Button

Press this button to select your required operation mode.

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.

AUTO COOL DRY FAN HEAT

14

Technical Information

Service Manual

4. FAN Button

Pressing this button can set fan speed circularly as: auto (AUTO), low( ) ,medium( ),high( ).

Note:

● Under AUTO speed, fan motor will adjust the fan speed (high, medium or low speed) according to ambient temperature.

● Fan speed under dry mode is low speed.

● When selecting auto mode, air conditioner will operate automatically according to exfactory setting. Set temperature can’t be adjusted

and will not be displayed as well. Press“FAN” button can adjust fan speed. Press " " button can adjust fan blowing angle.

● When selecting cool mode, air conditioner will operate under cool mode. Cool indicator " " on indoor unit is ON. Press “+” or “-“

button to adjust set temperature. Press “FAN”button to adjust fan speed. Press " " button to adjust fan blowing angle.

● When selecting dry mode, the air conditioner operates at low speed under dry mode. Dry indicator " " on indoor unit is ON. Under dry

mode, fan speed can’t be adjusted. Press " " button to adjust fan blowing angle.

● When selecting fan mode, the air conditioner will only blow fan, no cooling and noheating.All mode indicators on indoor display are

off,Press “FAN” button to adjust fan speed. Press " " button to adjust fan blowing angle.

● When selecting heating mode, the air conditioner operates under heat mode. Heat indicator " " on indoor unit is ON. Press “+” or “-“

button to adjust set temperature Press “FAN” button to adjust fan speed. Press " " button to adjust fan blowing angle.(Cooling only unit

won’t receive heating mode signal. If setting heat mode with remote

controller, press ON/OFF button can’t start up the unit).

Note:

● For preventing cold air, after starting up heating mode, indoor unit will delay 1~5 minutes to blow air (actual delay time is depend on

indoor ambient temperature).

● Set temperature range from remote controller: 16~30

℃

; Fan speed: auto, low speed,medium speed, high speed.

3. “+” or“-” Button

● Press “+” or “-“ button once increase or decrease set temperature 1

℃

.Holding "+" or "-" button, 2s later, set temperature on remote

controller will change quickly. On releasing button after setting is nished, temperature indicator on indoor unit will change accordingly.

(Temperature can’t be adjusted under auto mode)

● When setting TIMER ON, TIMER OFF or CLOCK, press “+” or “-“ button to adjust time.(Refer to CLOCK, TIMER ON, TIMER

OFF

buttons)

6. CLOCK Button

Press this button to set clock time. " " icon on remote controller will blink. Pess "+" or "-" button within 5s to set clock time. Each

pressing of "+" or "-" button, clock time will increase or decrease 1 minute. If hold "+" or "-" button, 2s later, time will change quickly.

Release this button when reaching your required time. Press “CLOCK" button to conrm the time. " " icon stops blinking.

Note:

● Clock time adopts 24-hour mode.

● The interval between two operation can’t exceeds 5s. Otherwise, remote controller will quit setting status. Operation for TIMER

ON/TIMER OFF is the same.

7. TIMER-ON/TIMER-OFF Button

● TIMER ON button

TIMER ON button

“TIMER ON” button can set the time for timer on. After pressing this button, " " icon disappears and the word “ON" on remote

5. Button

Press this button can select up&down swing angle. Fan blow angle can be selectedcircularly as below:

● When selecting " " , air conditioner is blowing fan automatically. Horizontal louver will automatically swing up & down at

maximum angle.

● When selecting "

、、、、

", air conditioner is blowing fan at fixed position. Horizontal louver will stop at the fixed

position.

● When selecting "

、、

”, air conditioner is blowing fan at xed angle. Horizontal louver will send air at the xed angle.

● Hold " " button above 2s to set your required swing angle. When reaching your

required angle, release the button.

Note:

"

、、

" may not be available. When air conditioner receives this signal, the air conditioner will blow fan automatically.

Auto

(horizontal louvers

stops at current position)

no display

15

Technical Information

Service Manual

controller blinks. Press "+" or "-"button to adjust TIMER ON setting. After each pressing "+" or "-"button, TIMER ON setting will increase

or decrease 1min. Hold "+" or "-"button, 2s later, the time will change quickly

until reaching your required time. Press “ TIMER ON”to conrm it. The word “ON" will stop blinking. " " icon resumes displaying.

Cancel TIMER ON: Under the condition that TIMER ON is started up, press “TIMER ON” button to cancel it.

● TIMER OFF button

"TIMER OFF" button can set the time for timer off. After pressing this button, " " icon disappears and the word "OFF" on remote

controller blinks. Press "+" or "-" button to adjust TIMER OFF setting. After each pressing "+" or "-" button, TIMER OFF setting will

increase or decrease 1min. Hold "+" or "-" button, 2s later, the time will change

quickly until reaching your required time. Press "TIMER OFF"word "OFF" will stop blinking. " " icon resumes displaying.

Cancel TIMER OFF. Under the condition that TIMER OFF is started up, press “TIMER OFF” button to cancel it.

Note:

● Under on and off status, you can set TIMER OFF or TIMER on simultaneously.

● Before setting TIMER ON or TIMER OFF, please adjust the clock time.

● After starting up TIMER ON or TIMER OFF, set the constant circulating valid. After that, air conditioner will be turned on or turned off

according to setting time. ON/OFF button has no effect on setting. If you don’t need this function, please use remote controller to cancel

it.

8. X-FAN Button

Press this button under cool and dry mode to start up x-fan function, and " " icon on remote controller will be displayed. Press this

button again to cancel x-fan function, and " "icon will disappear.

Note:

● When x-fan function is started up, if the air conditioner is turned off, indoor fan will still operate at low speed for a while to blow the

residual water inside the air duct.

● During x-fan operation, press X-FAN button to turn off x-fan function. Indoor fan will stop operation immediately.

9. TEMP Button

By pressing this button, you can see indoor set temperature, indoor ambient temperature or outdoor ambient temperature on indoor

unit’s display. The setting on remote controlleris selected circularly as below:

When selecting " " or no display with remote controller, temperature indicator on indoor unit displays set temperature;

When selecting " " with remote controller, temperature indicator on indoor unit displays indoor ambient temperature;

When selecting " " with remote controller, temperature indicator on indoor unit displays outdoor ambient temperature.

Note:

● Outdoor temperature display is not available for some models. At that time, indoor unit

receives" " signal, while it displays indoor set temperature.

● It’s defaulted to display set temperature when turning on the unit.There is no display in the remote controller.

● Only for the models whose indoor unit has dual-8 display

10. TURBO Button

Under COOL or HEAT mode, press this button to turn to quick COOL or quick HEAT mode. " " icon is displayed on remote

controller. Press this button again to exit turbo function and " " icon will disappear.

11. SLEEP Button

Under COOL or HEAT mode, press this button to start up sleep function. " " icon is displayed on remote controller. Press this

button again to cancel sleep function and " " icon will disappear.

12. LIGHT Button

Press this button to turn off display light on indoor unit. " " icon on remote controller disappears. Press this button again to turn

on display light. " " icon is displayed.

Child lock function:

Press "+"and "-" simultaneously to turn on or turn off child lock function. When child lock function is on, " " icon is displayed on

remote controller. If you operate the remote controller, it won’t send signal.

Temperature display switchover function:

Under OFF status, press "-" and "MODE" buttons simultaneously to switch temperature display between

℃

and

℉

.

no display

Function Introduction for Combination Buttons

16

Technical Information

Service Manual

Note:

● During operation, point the remote control signal sender at the receiving window

on indoor unit.

● The distance between signal sender and receiving window should be no more than

8m, and there should be no obstacles between them.

● Signal may be interfered easily in the room where there is fluorescent lamp or

wireless telephone; remote controller should be close to indoor unit during operation.

● Replace new batteries of the same model when replacement is required.

● When you don’t use remote controller for a long time, please take out the batteries.

● If the display on remote controller is fuzzy or there’s no display, please replace

batteries.

Signal sender

Battery

Cover of

battery box

Remove

Reinstall

If remote controller is lost or damaged, please use auxiliary button to turn on or turn

off the air conditioner. The operation in details are as below: As shown in the g.

Open panel, press aux. button to turn on or turn off the air conditioner. When the air

conditioner is turned on, it will operate under auto mode.

Emergency Operation

Emergency operation

switch

Panel

1. After putting through the power, press “ON/OFF” button on remote controller to turn on

the air conditioner.

2. Press "MODE" button to select your required mode:AUTO,COOL,DRY,FAN,HEAT.

3. Press “+” or “-“ button to set your required temperature. (Temperature can’t be

adjusted under auto mode).

4. Press ‘FAN” button to set your required fan speed: auto, low, medium and high speed.

5. Press " " button to select fan blowing angle.

1.Press the back side of remote controller marked with“ ”as shown in the g, and then push out the cover

of battery box along the arrow direction.

2. Replace two 7# (AAA 1.5V) dry batteries, and make sure the position of “+” polar and “-“ polar are correct.

3. Reinstall the cover of battery box.

Operation Guide

Replacement of Batteries in Remote Controller

2

3

5

4

1

17

Technical Information

Service Manual

1.Temperature Parameters

◆

Indoor preset temperature (Tpreset)

◆

Indoor ambient temperature (Tamb.)

◆补偿温度（T 补）

2.Basic Functions

Once the unit energized,the compressor shall never be restarted except 3mins interval at least.For the rst energization,if the unit is at off

status before power failure, the compressor can be restarted without 3-min delay. But if the unit is at ON status before power failure, the

compressor shall be restarted with 3mins delay. Once the compressor is started up, the compressor won’t stop running within 6mins with

the change of room temperature.

(1)Cooling Mode

1. Under this mode, fan and swing function will be operating under setting mode, and temperature setting range is 61~86°F.

2. When outdoor unit is with malfunction or stop operation because of malfunction, indoor unit will keep its original operation status and

display the malfunction.

3. When 0°F≤(setting temperature-ambient temperature)<3.6°F, if indoor fan speed is at high level, it will turn to medium level (when

compressor is operating); if indoor fan speed is at ultra high level, it will not turn to other fan speed; when (ambient temperature-setting

temperature)≥1.8°F, the fan speed will resume to setting value.

(2) Dry Mode

1. Under this mode, fan will operate as low fan speed and swing at setting status, temperature setting range is 61~86°F.

2. When outdoor unit is with malfunction or stop operation because of malfunction, indoor unit will keep its original operation status and dis-

play the malfunction.

(3) Heating Mode

1. Heating Conditions and Process

When the unit is powered on and is under heating mode, IDU will turn to anti cold wind function; when the unit is powered off and the in-

door fan had ever turned on, the unit will turn to blowing residual heat.

2. When the compressor is running (doesn’t include entering each malfunction and protection):

a. When Toutdoor amblent≥68°F, if the indoor fan speed is low or medium, the fan speed will switch to high speed;if the fan speed is high

or turbo, the fan speed will not change.

b. When Toutdoor amblent≤64°F, the fan speed will turn back to set fan speed;

c. When 64°F<Toutdoor ambient<68°F, the unit will run in present fan speed (set fan speed or high fan speed); but if the unit quits anti cold

wind for the rst time in heating mode, the unit will run in set fan speed.

3.Defrosting

When there’s too much frost on outdoor condenser, the complete unit will enter into defrosting automatically to assure the best heating ef-

fect. During defrosting process, the heating indicator is on for 10s and off for 0.5s.

4.Blow Residual Heat

When heating temperature reaches to the temperature point of stop operation, compressor and outdoor fan will stop operation. The hori-

zontal louver rotates to the defaulted position in cooling mode. Indoor fan will stop operation after operating at set fan speed for 60s.

When the unit operates in heating or auto heating mode, compressor is started up and the unit will stop operation after indoor fan starts

operation. Compressor and outdoor fan stop operation. The horizontal louver will rotate to the position of breeze (defaulted position in cool-

ing). The unit will stop operation after indoor fan operates at low fan speed for 10s.

If the indoor fan stops due to blocking of PG motor, the louvers stop at the position when the unit stops. (If the unit stops for other

malfunction,the vertical louvers turn to cooling position 2) Indoor fan runs in set fan speed for 60s and then stops.

5.Cold Air Prevention

After the compressor starts, the indoor unit and louvers run in the mode below:

①

When Tindoor ambient<75°F: if Ttube≤104°F, the indoor fan doesn’t run and then the indoor fan runs in low fan speed after 2min. In

2min, if Ttube>104°F, the indoor fan will also run in low fan speed; after running in low speed for 1min, the indoor fan will turn to run in set

fan speed. In 1 minute of low fan speed or in 2 minute that the indoor fan doesn’t run, if Ttube>108°F, the indoor fan will turn to run in set

fan speed.

②

When Tindoor ambient≥75°F: if Ttube≤108°F, the indoor fan runs in low fan speed and then the indoor fan runs in set fan speed after

1min. In 1min of running in low fan speed, if Ttube>108°F, the indoor fan will turn to run in set fan speed.

Note: Tindoor ambient in

①

and

②

means at the beginning of heating mode, the indoor ambient temperature before starting up the com-

pressor, or after quitting defrosting, the indoor ambient temperature before clearing the defrosting symbol.

(4) Fan Mode

In fan mode, indoor fan operates at set fan speed, while compressor and outdoor fan all stop operation.

In fan mode, the temperature setting range is 61~86°F. Display is displaying operation icon and set temperature.

(5) Auto Mode

In auto mode, the system will select the operation mode (cooling, hearing of fan mode) according to the change of ambient temperature

automatically. The display displays operation icon, actual operation mode and set temperature. 30s will be delayed for protection during

6.2 Brief Description of Modes and Functions

●Indoor Unit

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