LG LS-H096QNA0 Service Manual Download Page 60 | Manualshive

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-60-

Heat Pump Model
• HVB TYPE

VN

2

10K

-

6

0.001uF

Q03T

A104S

C104S

50V

5V

R09H

BD

A104S

Q01T

5V

1K

C104S

Q02T

5V

CN-TELE

C01D

100uF/25V

1N4148

50V

D01T

Q04T

0.001uF

C01T

8

4

LM358

OP-AMP

+

5

TX

5V

C06H

0.1uF/50V

R01T

1K

C02T

RX

CST-3.58M

OSC02B

10uF

100

50V

ZD02H~ZD03H

5.1V, 1/2W

R03A

4.7K

R02A

C08H

7

50V

0.1uF

0.15uF

63V

C01A

RST

R01A

1K

+

C11H

ZD03H

TRANS

KIA7036P

IC01A

1

2

3

5V

T1

0.1uF

C02X

DSO

Q2

Q3

Q0

DE

VDD

18

51K

R17H

15

Q1

D2

NC

X2

D3

DV

12

13

14

VSS

D0

NC

OE

10

11

D1

100K

EST

VREF

X1

GS

VP

RI

R01X

17

16

1

5

8

9

6

4

7

50V

3

0.1uF/50V

C02H

ZNR01

BSP351L

R15H

CN-PHONE

R18H

R19H 2.7 1/2W

2.7 1/2W

C05H

100V

0.01uF

G6A-234P,5V

RY-HOOK HR93F,5V

R12H

1K

5V

ZD04H~ZD05H

3.9V, 1/2W

1uF DC250V

C01H

ZD05H

ZD04H

R01H 6.2K/1W

RST

100K

R07H

DE

BD

Q02M

R03H

7.5K

1/4W

6.2K

R02H

C03H 22uF

50V
+

ZD01H

1.5KE56A

R14H

R13H

750

270

ZD02H

KTC2016

5V

R05H

27

Q03M 2222A

2

27

3

PC01H

1

R04H

4.7K

4

R06H

TLP621BL

63V

100K

R16H

Q01M C3198Y

R01M 4.7K

C09H 1uF

+

1N4004

D01M

1N4004

D01H~D04H

5V

1uF

16V

MICOM

16

OSC2

15

OSC1

14

RA1

18

17

RA0

4

5

VSS

MCLR

3

T0CLK

1

RA2

RA3

2

PIC16C54CR

RB4

9

5V

IC-DTMF

(ST9170)

HT9170B

RB3

13

6

RB0

RB5

10

RB6

11

12

8

7

RB2

RB1

RB7

VDD

2K

R08H

OP1

OP2

10K

10K

DE

DSO

5V

R01B

1M

TX

RX

CST-4.00MGW

OSC01B

Q0

Q3

Q2

Q1

50V

C01X

0.01uF

C04H

5V

7

8

10

11

9

15

16

17

12

14

13

24

23

18

21

19

20

22

63

2

3

1

64

4

6

5

57

58

62

60

61

59

31

29

30

26

27

28

25

42

41

39

38

40

32

34

33

37

35

36

50

52

51

55

54

53

56

49

47

48

46

43

45

44

PK

16

UPD780023AGC-C

ZBF503D

ZD02D

BZX55C11

VOLTAGE GND

DISPLAY

KID65004AF

220 1/8W

R11H~R17H

HVB

104

SW(FORCE)

RECEIVER

Vout

A

3

R11H

OPERATION

LED1

1

2

Vcc

GND

C01A

SLEEP

LED2

LED3

TIMER

OUTDOOR

LED4

BC

4

R17H

R12H

R14H

R15H

R16H

R13H

AC PART

5V

C08D

103

25V

C09D

10V SD

220

+

R02D

1/6W

20K

DC LOW

S78DL05L 1W

I

IC04D

7805

O

12V

C07D

103

25V

L1

330

C06D

25V SD

KID65004AF

9

2

2

22

Force

12V

HVB OUT

1

1

1

1

2

1

3

2

2

1

2

3

3

2

2

3

1

1

CN-12V

CN-CONT

1

1

1

3

2

Option

CN-HVB

1

3

2

20K 2012

R11H~R14H

C02L

10V

220uF SD

+

5V

receiver

4

7

7

8

7

6

5

4

3

7

8

7

6

5

4

3

3

5

6

7

8

7

8

CN-DISP2

5

3

4

7

6

5

6

2

3

4

1

1

5

6

2

3

4

4

2

3

1

6

5

2

3

1

4

CN-DISP1

5

6

5V

Q12G

Q11G

KRA107S

KRA107S

KRA107S

Q13G

5V

R13H

OJ1H

R11H

R12H

OJ2H

OJ3H

5

6

7

8

A2

4

A1

A0

3

2

1

G

WP

SDA

SCL

Vcc

EEPROM

R14H

CAT24WC01J

5V

2012

20K

R02P

2012

R01P

20K

OJ4H

Force

1

8

IC01G

5V

5V

6

5

7

4

3

2

Vdd0

Vss0

C04C

103

R02F

20K

V

d

1

d

A

NEC

STEPPING MOTOR

(UP/DOWN)

9

DC PART

BL

PK

5

4

RD

1

OR

YL

2

3

5

CN-U/D

4

1

2

3

INDOOR FAN

12V

HVB OUT

COMP

7

5

6

4

1

IC01M

8

2

3

1

STEPPING MOTOR

2

2

BL

(LEFT/RIGHT)

Option

TERMINAL BOARD

+

SD01D

STO2D-200

TNY266P

VOLTAGE GND

DC HIGH

IC02D

TLP421(V4 BL)

DC HIGH

VOLTAGE GND

4

3

1

2

472M

C05D

C02D

50V

104

5

4

EN

1

BP

D

2

S

RY-4WAY

681

C03D

470/35V/SD

UG2D

D07D

39

R03D

1/6W

C04D

+

8

1

CN-ACDC2

CN-ACDC

5V

6

3

10V/SD

220uF

7

2

C02C

12V

INT

RY-COMP

SMPS

RY-FAN

4

5

5

4

2

7

3

6

300K

1/4W

R04D

27k

VOLTAGE GND

TLP421(V4 BL)

450V/SD

C01D

+

IC01D

4.7uF

INT

IC03D

DC LOW

3216

D08D

LL4148

VOLTAGE GND

1/6W

1

2

4

DC HIGH

3

300K

R06D

1/4W

NTC SCK-102

12V

INDOOR FAN

1

8

12V

12V

R05D

1N4007

D05D

5V

IN4007

D01A

D01C

IN4007

1K

R01E

1%

F1

OR1H

10nH

L2

Med

OR5H

OR6H

Hi

5V

F2

OR2H

O/L

OR3H

Low

OR4H

5V

R25H

12.1K, 1%

R26H

R21H

INT

4WAY

5V

FAN

COMP

R24H

R23H

R22H

R21H~R26H

5V

Vss1

X1

X2

AVref

AVdd

RESET

A

V

s

s

103

C03C

INT0

INT1

Z

B

Q01C

CRTL8.00MSOT

CSTS0800MG03-T2

OSC01B

5V

1M

R01B

KTC3198-Y

2SC5343

CN-TH

INDOOR FAN

12V

10K

R05H

6.2K

R04H

1%

12.1K

R02H

5V

2

2

11

3

3

4

4

3.6V

R06D

56K

R02A,20K

0.01

50V

3

C01A

1

2

INT

5V

IC01A

S7136

KIA7036P

R02L,1K

R01L 5.1K

C01L

R02E,20

12K

R07D

680pF/50V

PKM13EPY-4002

receiver

5V

BZ01E

5V

G5N-1A(G5NB-1A)

RY-4WAY

G5N-1A(G5NB-1A)

250V/T2A

RY-FAN

TRAICS

SM1L43

TVR10561

47nM/275V/435D

C02J

METAL FILM

METAL FILM

100nM/275V/436D

C01J

3

3

4

4

ZNR01J

R04J 560 1/4W

12V

INDOOR FAN

D01B

IN4007

D01D

IN4007

5

TLP762JF

2

3

IC01J

NF01J

15mH/1A

4

FUSE

T1

100,1/2W

R02J

T2

TR01J

1

1/2W

680

R03J

8

11

13

6

G4A-1A-E-LG

RY-COMP

12

9

6

15

2

CN-TAB1

1

3

1

4

1

1

1

C03J

METAL FILM

100nF/275V/436D

120, 1/2W

R01J

RY-COMP

ZNR02J

TVR10561

2

12V

1

CN-MOTOR

3

2

3

2

RY-COMP

12V

3

1

4

5

SH-CAPACITOR

INDOOR

MOTOR

FAN

ROOM-TH

PIPE-TH

+

1

2

3

3.6V

4-WAY

COMPRESSOR

2(N)

2

L

N

1

1(L)

1

50/60Hz

AC220~240V

3

4

4

5

FAN MOTOR

OUTDOOR

Q03T

A104S

Q02T

C104S

8

9

4WAY

FAN

6

5

7

34

2

11

10

15

14

13

12

12V

IC02M

KID65004AF

CN-L/R

1

1

OR

4

5

4

5

RD

3

3

YL

C03T

102

R01T

1K

5V

Q04T

C104S

Q01T

A104S

102

C02T

5V

104

C01T

D01T

1N4148

2

1

2

1

3

3

CN-TEL

5V

TELE (OPTION)

1

2

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Summary of Contents for LS-H096QNA0

Page 1: ...MANUAL ONLY FOR AUTHORIZED SERVICE PERSONNEL MODEL LS Q076ABL BBG BEL ABG LS Q096ABL BBG BEL AEL LS Q096ACG ADG ADL BDL LS Q096AHG ABG ABM AEM LS Q096BAG BDG LS Q096ACL AAG LS Q082BAG BAM LS Q082AAL ACG ACL ACM LS H096QNA0 LS Q096BEG WEBSITE http biz LGservice com E MAIL http www LGEservice com techsup html ...

Page 2: ... 12 Wiring Diagram 13 Operation Details 14 Display Function 21 Self diagnosis Function 21 Installation 22 Operation 33 Disassembly of the parts Indoor Unit 35 2 way 3 way Valve 38 Cycle Troubleshooting Guide 45 Electronic Parts Troubleshooting Guide 46 Electronic Control Device 53 Schematic Diagram 56 Exploded View and Replacement Parts List 61 2 ...

Page 3: ...lter B 1 Auto Swing Plasma Filter C 2 Telephone LED Display D 3 Telephone LCD Display E 4 Auto Swing Plasma Filter Telephone LCD F 5 Low Ambient Ambient change G 6 Plasma Filter Low Ambient Ambient change H 7 Internet J 8 Auto Swing Plasma Filter Oxygen Generator K 9 Auto Swing Soft Start L Z Auto Swing Star Rating M Y Auto Swing Star Rating Plasma Filter N X Auto Swing Soft Start Star Rating P W ...

Page 4: ...ooling Heating Capacity Ex 09 9 000 Btu h 6 Electric Range 1 9 1 115V 60Hz A 220V 50Hz 3Phase A Z 2 220V 60Hz B 208 230V 60Hz 3Phase 3 208 230V 60Hz C 575V 50Hz 3Phase 5 200 220V 50Hz D 440 460 60Hz 3Phase 6 220 240V 50Hz E 265V 60Hz 7 110V 50 60Hz F 200V 50 60Hz 8 380 415V 50Hz 9 380 415V 60Hz 7 Chassis A Z Name of Chassis of Unit Ex LSN SN Chassis 8 Look A Z Look Color Artcool Model 9 10 Functio...

Page 5: ...witched to intermittent or irregular operation The fan speed is automatically switched from high to low speed The louver can be set at the desired position or swing up and down automatically Indoor Unit Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature control Starting Current Control Time Delay Safety Control Indoor Fan Speed Control Operation indication Lamps LE...

Page 6: ... HIGH Cooling Operation Mode Heating Operation Mode Auto Operation Mode Fan Operation Mode Horizontal Airflow Direction Control Button Optional Room Temperature Display Setting the Time or Timer PLASMA Optional ON OFF SET PLASMA CANCEL Fan Speed Selection Low Med High CHAOS High 39 C Low 11 C OFF ON OFF ON Cancel Sleep Mode Timer ON or Timer OFF 1 2 3 4 5 6 7 Off Timer Fan Operates without cooling...

Page 7: ... LOW HIGH Cooling Operation Mode Heating Operation Mode Auto Operation Mode Air Circulation Horizontal Airflow Direction Control Button Optional Room Temperature Checking Setting the Time or Timer PLASMA Optional Fan Speed Selection Low Med High ON OFF CANCEL SET 2nd F High 39 C Low 11 C OFF ON OFF ON Cancel Sleep Mode Timer ON or Timer OFF 1 2 3 4 5 6 7 Off Timer Fan Operates without cooling or h...

Page 8: ...300 1 0 1 0 1 0 1 0 1 0 1Ø 220 240V 50Hz 1Ø 220 240V 50Hz 1Ø 220 240V 50Hz 1Ø 220V 60Hz 1Ø 220 240V 50Hz 5 9 6 6 6 6 20 20 25 20 25 34 36 36 36 36 48 48 48 48 48 660 900 900 650 950 640 870 860 3 0 4 0 3 9 3 0 4 2 2 9 3 8 3 8 10 6 10 10 10 9 5 3 3 3 13 2 8 5 5 7 5 7 7 6 8 4 14 14 5 14 5 18 7 13 6 824 x 260 x 155 824 x 260 x 155 824 x 260 x 155 824 x 260 x 155 824 x 260 x 155 525 x 564 x 265 525 x ...

Page 9: ... 9 Installation plate D H W MODEL DIM Unit W mm 824 H mm 260 D mm 155 All Models Dimensions 1 Indoor Unit ...

Page 10: ... 10 2 Outdoor Unit W L2 L3 L1 D H L4 L5 Gas side 3 way valve Liquid side 2 way valve MODEL DIM unit W mm 564 H mm 525 D mm 265 L1 mm 294 L2 mm 66 L3 mm 374 L4 mm 17 L5 mm 270 7K Heat Pump 9K Cooling ...

Page 11: ... 11 3 Outdoor Unit W L2 L3 L1 D H L4 L5 Gas side 3 way valve Liquid side 2 way valve MODEL 9K Heat Pump DIM unit W mm 770 H mm 540 D mm 245 L1 mm 285 L2 mm 65 L3 mm 518 L4 mm 10 L5 mm 100 ...

Page 12: ...XCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER HEAT EXCHANGE CONDENSER COMPRESSOR COMPRESSOR ACCUMU LATOR GAS SIDE GAS SIDE VALVE LIQUID SIDE LIQUID SIDE VALVE CAPILLARY TUBE CAPILLARY TUBE CHECK VALVE Heating Model only COOLING HEATING REVERSING VALVE Heating Model Only 1 Cooling Only Models 2 Cooling Heating Models ...

Page 13: ... BLOCK CN MOTOR THERMISTOR STEP MOTOR CN ACDC1 CN ACDC2 CN TH CN U D CN L R CN HVB CN 12V CN DISP DISPLAY PWB ASM P No 3854A20238J CN CONT TRIAC AC PWB ASM DC PWB ASM CN TAB RY COMP TO OUTDOOR UNIT INDOOR WIRING DIAGRAM 4 3 1 L BR BR BL GN YL 2 N FUSE 250V T2A STEP MOTOR H V ASM S W1 S W2 AIR CLEAN PLASMA GN YL GN YL MOTOR OR RD BK BK BK BK BK BK BK BK BK POWER GN YL GN YL BR BK Plained BL WH Ribb...

Page 14: ...r ON while in timer mode on off OFF when timer mode is completed or canceled Defrost Indicator OFF except when hot start during heating mode operation or while in defrost control Cooling Mode Operation When the intake air temperature reaches 0 5 C below the setting temp the compressor and the outdoor fan stop When it reaches 0 5 C above the setting temp they start to operate again Compressor ON Te...

Page 15: ...rry out defrost control or not and the time of defrost control are determined according to the following conditions 1 While in heating mode operation the maximum of the indoor pipe temperature is measured and it is com pared with the present indoor pipe temperature to get the difference of the indoor pipe temperatures the maximum temperature of indoor pipe the present temperature of indoor pipe ac...

Page 16: ...oor fan is operated for 15 seconds Then an operation mode is selected according to the intake air temp at that moment as follows 24 C Inatake Air Temp Fuzzy Operation for Cooling 21 C Inatake Air Temp 24 C Fuzzy Operation for Dehumidification Inatake Air Temp 21 C Fuzzy Operation for Heating If any of the operation modes among cooling dehumidification heating mode operations is carried out for 10 ...

Page 17: ...d by Fuzzy rule when the intake air temp is 3 C or more above the setting temp the compressor is turned off When below the setting temp the compressor is turned on Compressor ON Temp Setting Temp Compressor OFF Temp Setting Temp 3 C At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 20 C Intake Air Temp Intake Ai...

Page 18: ... cannot be input While in cooling mode operation 30 min later since the start of the sleep timer the setting temperature increases by 1 C After another 30 min elapse it increases by 1 C again When the sleep timer mode is input while in cooling cycle mode the airflow speed of the indoor fan is set to the low When the sleep timer mode is input while in heating cycle mode the airflow speed of the ind...

Page 19: ...s pressed If you want to stop operation re press the button While in forced operation the key input by the remote control has no effect and the buzzer sounds 10 times to indicate the forced operation Test operation During the TEST OPERATION the unit operates in cooling mode at high speed fan regardless of room tem perature and resets in 18 1 minutes During test operation if remote controller signa...

Page 20: ...pipe from frosting When the indoor pipe temp is 7 C or higher after 3 min pause of the compressor the compressor and the outdoor fan is turned on according to the condition of the room temperature Buzzer Sounding Operation When the appliance operation key is input by the remote control the short beep beep sounds When the appliance pause key is input by the remote control the long beep sounds When ...

Page 21: ... Indoor Thermistor assembly check SVC check point 1 Heating Model 2 Cooling Model Cooling Soft Dry Fan Heating Cooling Soft Dry Fan Sleep Mode Sleep Mode Timer Mode Timer Mode Hot start Defrost PLASMA Mode PLASMA Mode Operation Indicator Timer Indicator Sleep Timer Indicator Defrost Indicator PLASMA Indicator Operation Indicator Timer Indicator Sleep Timer Indicator Compressor Indicator PLASMA Ind...

Page 22: ... noise and vibration are minimum Select a place so that the warm air and noise from the air conditioner do not disturb neighbors 2 Piping length and elevation Installation 1 Installation of indoor Outdoor unit 22 More than A More than B More than 2 3m More than B More than 10 cm More than 10 cm More than 70 cm Install the indoor unit on the wall where the height from the floors more than 2 3 meter...

Page 23: ... the walls typi cally Drilling the hole through the wall for piping connections must be done safely 4 Drill a hole in the wall Drill the piping hole with a ø70mm hole core drill Drill the piping hole at either the right or the left with the hole slightly slanted to the outdoor side Installation Plate Type A screw 5 7mm 3 16 5 16 Indoor WALL Outdoor Installation plate Ø70mm Left rear piping Right r...

Page 24: ...bing 3 Putting nut on Remove flare nuts attached to indoor and outdoor unit then put them on pipe tube having completed burr removal not possible to put them on after flaring work 4 Flaring work Firmly hold copper pipe in a die in the dimension shown in the table above Carry out flaring work using flaring tool as shown below 5 Check Compare the flared work with figure below If flare is noted to be...

Page 25: ...al so that dripping from sweating condensation will not damage furniture or floors Foamed polyethylene or equivalent is recommended 4 Indoor unit installation Hook the indoor unit onto the upper portion of the installation plate Engage the two hooks of the rear top of the indoor unit with the upper edge of the instal lation plate Ensure that the hooks are properly seat ed on the installation plate...

Page 26: ...r where they fit into the rear piping housing section 1 Route the indoor tubing and the drain hose to the required piping hole position 2 Insert the piping drain hose and the connecting cable into the piping hole For left rear piping mm inch kg m Ø6 35 1 4 1 8 Ø9 52 3 8 4 2 Ø12 7 1 2 5 5 Ø15 88 5 8 6 6 Ø19 05 3 4 6 6 Outside diameter Torque Wrench Indoor unit tubing Open end wrench fixed Connectio...

Page 27: ...nch When extending the drain hose at the indoor unit install the drain pipe 7 Wrap the insulation material around the con necting portion Overlap the connection pipe heat insulation and the indoor unit pipe heat insulation material Bind them together with vinyl tape so that there is no gap Wrap the area which accommodates the rear piping housing section with vinyl tape mm inch kg m Ø6 35 1 4 1 8 Ø...

Page 28: ... the installation plate until the hooks engage into their slots clicking sound 3 Connection of the pipes Outdoor 1 Align the center of the pipings and sufficiently tighten the flare nut by hand 2 Finally tighten the flare nut with torque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench mm inch kg m Ø...

Page 29: ...k 38k 0 75 1 0 1 5 2 5 2 5 5 5 Unit A Indoor Indoor Indoor Indoor Outdoor Outdoor CableType B H05VV F H05VV F H05VV F H05VV F H05RN F H05RN F NORMAL CROSS SECTIONAL AREA 5k 9k 12k 14k 18k 24k 28k 0 75 1 0 1 5 2 5 Cable Type B H07RN F H07RN F H07RN F H07RN F NORMAL CROSS SECTIONAL AREA Grade 30k 32k 36k 38k 0 75 0 75 Cable Type B H07RN F H07RN F NORMAL CROSS SECTIONAL AREA Grade mm2 mm2 mm2 The pow...

Page 30: ...he screw which fasten the wiring in the casing of electrical fittings are liable to come loose from vibrations to which the unit is subjected during the course of transportation Check them and make sure that they are all tightly fastened If they are loose it could cause burn out of the wires 3 Specification of power source 4 Confirm that electrical capacity is sufficient 5 See to that the starting...

Page 31: ...the ground Secure the drain hose appropriately 2 In cases where the outdoor unit is installed below the indoor unit perform the following Tape the piping drain hose and connecting cable from down to up Secure the tapped piping along the exterior wall using saddle or equivalent 3 In cases where the Outdoor unit is installed above the Indoor unit perform the following Tape the piping and connecting ...

Page 32: ... or Heating 4 For reference the gas side pressure of optimum con dition is as below Cooling NOTE If the actual pressure is higher than shown the system is most likely over charged and charge should be removed If the actual pressure are lower than shown the system is most likely undercharged and charge should be added The air conditioner is now ready for use Bolt Tubing connection Discharge tempera...

Page 33: ...r when the desired time is obtained and to cancel the Timer operation SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation AIR CIRCULATION BUTTON Used to circulate the room air without cooling or heat ing ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature PLASMA OPTION Used to start or stop the plasma purification function RESET BUTTON Used prior to resetting time or after...

Page 34: ...the time TIMER SET CANCEL BUTTON Used to set the timer when the desired time is obtained and to cancel the Timer operation SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation AIR CIRCULATION BUTTON Used to circulate the room air without cooling or heating ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature PLASMA OPTIONAL Used to start or stop the plasma purification funct...

Page 35: ...discharge louver to open position horizontally by finger pressure Remove the securing screws To remove the Grille pull the lower left and right side of the grille toward you slightly tilted and lift it straight upward 1 Before removing the control box be sure to take out the wire screwed at the other end Display P C B Conductor Step Motor Conductor Earth Conductor Motor Conductor Sensor Conductor ...

Page 36: ... To remove the Discharge Grille Unhook the discharge grille and pull the dis charge grille out from the chassis carefully 4 To remove the Evaporator Remove 3 screws securing the evaporator at the left 2EA in the Eva Holder at the right 1EA Caution label When repair do not damage the Caution label Caution label ...

Page 37: ...emove 2 securing screw Pull the motor cover out from the chassis carefully 6 To remove the Cross Flow Fan Loosen the screw securing the cross flow fan to the fan motor do not remove Lift up the right side of the cross flow fan and the fan motor separate the fan motor from the cross flow fan Remove the left end of the cross flow fan from the self aligning bearing Motor cover ...

Page 38: ... gauge Open Open Open with charging cylinder Open Open Open with charging cylinder Open Open Open Open Works Shipping Air purging Installation Operation Pumping down Transfering Evacuation Servicing Gas charging Servicing Pressure check Servicing Gas releasing Servicing 1 2 3 4 5 6 Valve cap Open position Closed position Pin Service port Service port cap To outdoor unit Flare nut To piping connect...

Page 39: ... hexagonal wrench to press the valve core pin discharge for three seconds and then wait for one minute Repeat this three times 5 Use torque wrench to tighten the service port nut to a torque of 1 8kg cm 6 Set the 3 way valve to the back seat 7 Mount the valve stem nuts to the 2 way and 3 way valves 8 Check for gas leakage At this time especially check for gas leakage from the 2 way and 3 way valve...

Page 40: ... hose Open the low pressure valve on the charge set slightly to air purge from the charge hose 5 Set the 2 way valve to the closed position 6 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 1kg cm2 g 7 Immediately set the 3 way valve to the closed position Do this quickly so that the gauge ends up indi cating 3 to 5kg cm2 g 8 Disconnect the charge set and moun...

Page 41: ... on the 2 way valve 4 Check for gas leakage Check the flare connections for gas leakage 5 Discharge the refrigerant Close the valve on the gas cylinder and dis charge the refrigerant until the gauge indicates 3 to 5 kg cm2 g 6 Disconnect the charge set and the gas cylin der and set the 2 way and 3 way valves to the open position Be sure to use a hexagonal wrench to operate the valve stems 7 Mount ...

Page 42: ...and discharge the refrigerant until the gauge indicates 0 kg cm2 G If there is no air in the refrigerant cycle the pressure when the air conditioner is not run ning is higher than 1 kg cm2 G discharge the refrigerant until the gauge indicates 0 5 to 1 kg cm2 G if this is the case it will not be neces sary to apply a evacuatin Discharge the refrigerant gradually if it is dis charged too suddenly th...

Page 43: ...or less 3 Close the valve Lo side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approxima tely 5 minutes after turning off the vacuum pump 4 Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil becomes dirty or depleted replenish as needed Lo Open Open Vacuum pump 2 Way valve Outdoor unit Liquid side Indoor unit Gas sid...

Page 44: ... 150g each time while operating the air conditioner in the cooling cycle however one time is not suffi cient wait approximately 1 minute and then repeat the procedure pumping down pin 4 Immediately disconnect the charge hose from the 3 way valve s service port Stopping partway will allow the gas to be dis charged If the system has been charged with liquid refrigerant while operating the air condit...

Page 45: ... air humidity When the room air humidity is relativery higher temperature difference is smaller When the room air humidity is relatively lower tem perature difference is larger 2 Check temperature and pressure of refrigeration cycle Notice 1 The suction pressure is usually 4 5 6 0 kg cm2 G Cooling at normal condition 2 The temperature can be measured by attaching the thermometer to the low pressur...

Page 46: ...tor ZNR01J Check the connection housing for contacting Connector related to CN TAB1 RY COMP NO 3 Connector related to CN MOTOR Connector contacting of Outdoor Fan Compressor Display PWB Assembly Check Check each load Indoor Outdoor Fan Motor Com pressor Stepping Motor and contacting condition of related connector Main PCB Board Operation Check Items SMPS Transformer Indoor unit Input Voltage Outpu...

Page 47: ...tery Check the contact of CN DISP1 connector When the compressor stopped Indoor Fan is driven by a low speed At this point the wind speed is not controlled by the remote controller When operated in the Sleeping Mode the wind speed is set to the low speed by force Check Display PWB Assembly Voltage between CN DISP1 DC 5V Check the connecting circuit between the remote controller MICOM No R17 2Ω IR ...

Page 48: ...sor Outdoor Fan is stopped Check the related circuit of RY FAN Check the indoor temperature sensor is disconnected or not About 10kΩ at 25 C Turn off Main Power Check the electrical wiring diagram of outdoor side Check the abnormal condition for the component of Compressor Out door Fan Motor Check the open or short of conmecting wires between indoor and outdoor Check Relay RY COMP for driving comp...

Page 49: ...ircuit of indoor Fan Motor The pin NO 58 of Micom and the part for driving TRIAC the input and output signal of IC01M PIN NO 7 10 Check the pattern Check the TRIAC TRIAC Open Indoor Fan Motor never operate TRIAC short Indoor Fan Motor always operates in case of ON or OFF 4 When indoor Fan does not operate The voltage of PIN NO 1 orange and 3 yellow of CN MOTOR About AC 180V over About AC 50V over ...

Page 50: ...N U D Connector If there are no problems after above checks Confirm the assembly conditions that are catching and interfering parts in the rotation radial of the Vertical Louver 5 When Vertical Louver does not operate Check the operating circuit of the Vertical Louver Confirm that there is DC 12V between pin RED of CN U D and GND Confirm that there is a soldering short at following terminals Betwe...

Page 51: ...d or not about 10KΩ at 25 C Check the indoor pipe temperature is disconnected or not about 5KΩ at 25 C Turn ON Main Power Check the DC voltage on the PWB ASSEMBLY The details of check are as followings Check point Between Micom NO 59 and GND Between IC01M NO 11 and GND Comp ON DC 5V Below DC 1V Comp OFF DC 0V About DC 12V Check point Between Micom NO 51 and GND Between IC02M NO 11 and GND 4 way ON...

Page 52: ...in Power Check the electrical wiring diagram of outdoor side Check the abnormal condition for the component of Compressor Out door Fan Motor 4 way Check the open or short of connecting wires between indoor and outdoor ...

Page 53: ... 53 Electronic Control Device 1 MAIN P W B ASSEMBLY AC PART TOP VIEW BOTTOM VIEW 1 MAIN P W B ASM AC COOLING MODEL HEAT PUMP MODEL ...

Page 54: ... 54 2 MAIN P W B ASSEMBLY DC PART TOP VIEW BOTTOM VIEW TOP VIEW BOTTOM VIEW ...

Page 55: ... 55 3 DISPLAY ASSEMBLY 6871A20194 TOP VIEW BOTTOM VIEW BOTTOM VIEW 6871A30009 TOP VIEW BOTTOM VIEW 6871A20227 TOP VIEW ...

Page 56: ...Schematic Diagram TELEPHONE CONTROL MODEL ONLY 56 ...

Page 57: ... 57 Cooling Model LED TYPE ...

Page 58: ... 58 Cooling Model HVB TYPE PLASMA ...

Page 59: ...PROM Vcc SCL SDA WP G 1 2 3 A0 A1 4 A2 CAT24WC01J R14H R13H R12H 20K R01P 2012 R02P 20K 2012 OJ4H 5V 8 20K R02F 7 3 4 5 2 6 1 5V Vss0 Vdd0 C04C 103 A d 1 d V NEC TERMINAL BOARD STO2D 200 SD01D TNY266P DC HIGH VOLTAGE GND D 5 4 1 IC02D DC HIGH VOLTAGE GND TLP421 V4 BL C05D 472M 3 2 104 50V C02D EN 4 S 2 BP 1 D07D UG2D 470 35V SD C03D 681 RY 4WAY 1 6W R03D 39 C04D 1 8 5V CN ACDC CN ACDC2 INT 3 6 2 7...

Page 60: ...Q12G Q11G KRA107S KRA107S KRA107S Q13G 5V R13H OJ1H R11H R12H OJ2H OJ3H 5 6 7 8 A2 4 A1 A0 3 2 1 G WP SDA SCL Vcc EEPROM R14H CAT24WC01J 5V 2012 20K R02P 2012 R01P 20K OJ4H Force 1 8 IC01G 5V 5V 6 5 7 4 3 2 Vdd0 Vss0 C04C 103 R02F 20K V d 1 d A NEC STEPPING MOTOR UP DOWN 9 DC PART BL PK 5 4 RD 1 OR YL 2 3 5 CN U D 4 1 2 3 INDOOR FAN 12V HVB OUT COMP 7 5 6 4 1 IC01M 8 2 3 1 STEPPING MOTOR 2 2 BL LE...

Page 61: ...10 146811 1 354212 263230 268714 1 264110 268714 2 131410 359011 342800 159901 268712 159830 135311 135312 267110 249951 733010 152313 135314 152302 35211B 135516 W0CZZ 352150 146811 2 266090 263232 266090 249951 268714 1 268714 2 W6640 263230 264110 TYPE B TYPE A ...

Page 62: ...10 REMOTE CONTROLLER ASSEMBLY 6711A20010B 6711A20010F 6711A20010F R 6711A20067G 268712 PWB PCB ASSEMBLY DISPLAY 6871A20194A 6871A20227D 6871A20227D R 6871A20194F 6871A20227G 6871A20227G 268714 1 PWB PCB ASSEMBLY MAIN AC 6871A20163A 6871A20163A 6871A20163A R 6871A20272J 6871A20272J 6871A20272J 268714 2 PWB PCB ASSEMBLY MAIN DC 6871A20218Q 6871A20225L 6871A20225L R 6871A20310B 6871A20310C 6871A20310...

Page 63: ...0013D 6411A20026E 6411A20026E R 6411A20026D 6411A20026D 6411A20026D 266090 H V ASSEMBLY 6609A10003J 6609A10003J 6609A10003N R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20010B 6711A20010F 6711A20010F 6711A20012M 6711A20083G R 6711A20067G 6711A20067J 6711A20067J 268712 PWB PCB ASSEMBLY DISPLAY 6871A20194A 6871A20227D 6871A20227D 6871A20390C 6871A20227G R 6871A20194F 6871A20227G 6871A20227G 268714 1 PWB...

Page 64: ...0010A 6711A20067E R 6711A20067G 6711A20067E 6711A20067H 268712 PWB PCB ASSEMBLY DISPLAY 6871A20194A 6871A20194A 6871A20227D 6871A20390A 6871A20294F R 6871A20390C 6871A20390C 6871A20227G 268714 1 PWB PCB ASSEMBLY MAIN AC 6871A20163A 6871A20163B 6871A20163B 6871A20163B 6871A20272B R 6871A20272A 6871A20272K 6871A20272K 6871A20283B 268714 2 PWB PCB ASSEMBLY MAIN DC 6871A20218H 6871A20218A 6871A20225P ...

Page 65: ...A20013D 6411A20013D 6411A20026E R 6411A20026D 6411A20026D 266090 H V ASSEMBLY 6609A10003J 6609A10003J R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20010B 6711A20010B 6711A20010E 6711A20010E 6711A20028B R 6711A20067G 6711A20067G 268712 PWB PCB ASSEMBLY DISPLAY 6871A20194A 6871A20194A 6871A20391C 6871A20391C 6871A20194F R 6871A20194F 6871A20194F 268714 1 PWB PCB ASSEMBLY MAIN AC 6871A20163A 6871A20163A ...

Page 66: ...0010B R 6711A20067S 268712 PWB PCB ASSEMBLY DISPLAY 6871A20194A 6871A20194A 6871A20194A 6871A20227D 6871A20194F R 6871A20390C 6871A20390C 6871A20390C 6871A20391G 268714 1 PWB PCB ASSEMBLY MAIN AC 6871A20163A 6871A20163B 6871A20163B 6871A20163B 6871A20272A R 6871A20272A 6871A20272K 6871A20272K 6871A20272K 268714 2 PWB PCB ASSEMBLY MAIN DC 6871A20218H 6871A20218A 6871A20218A 6871A20225P 6871A20310G ...

Page 67: ...67110 REMOTE CONTROLLER ASSEMBLY 6711A20069B 6711A20069A 6711A20067V 6711A20067V 6711A20067V R 268712 PWB PCB ASSEMBLY DISPLAY 6871A20391G 6871A20390A 6871A20390A 6871A20390A 6871A20390A R 268714 1 PWB PCB ASSEMBLY MAIN AC 6871A20272K 6871A20163B 6871A20163B 6871A20163B 6871A20163B R 268714 2 PWB PCB ASSEMBLY MAIN DC 6871A20310D 6871A20218V 6871A20218V 6871A20218V 6871A20218V R 342800 BEARING 4280...

Page 68: ... 68 2 Outdoor unit 437210 559010 437212 552102 552111 435511 546810 430410 554031 567502 554160 550140 649950 552203 1 552203 2 W0CZZ 552202 552116 561410 ...

Page 69: ...Y 5211A30082S 5211A30082S 5211A30082S 5211A30082S R 552116 TUBE ASSEMBLY REVERSING 5211A30095C 5211A30095C 5211A30095C 5211A30095C R 552202 VALVE REVERSING 5220AR3084A 5220AR3084A 5220AR3084A 5220AR3084A R 552203 1 VALVE SERVICE 2H02479F 2H02479F 2H02479F 2H02479F R 552203 2 VALVE SERVICE 2A00393M 2A00393M 2A00393M 2A00393M R 554031 CONDENSER ASSEMBLY BENT 5403AR2475L 5403AR2475L 5403AR2475L 5403A...

Page 70: ...Outdoor unit 70 554031 437212 435511 W0CZZ 552202 567502 552116 552102 1 552201 554160 561410 552111 550140 552203 1 552203 2 430410 447910 649950 552102 2 437210 435301 559010 546810 ...

Page 71: ...52102 2 TUBE CAPILLARY BEND 5210A20595F R 552111 TUBE ASSEMBLY CAPILLARY 5211A30275D 5211A30275D 5211A30275D 5211A30337A 5211A20117E 5211A20133Z R 552116 TUBE ASSEMBLY REVERSING 5211A20116C 5211A21027B R 552201 VALVE CHECK 3H01552F R 552202 VALVE REVERSING 5220AR3084A 5220AR3084E R 552203 1 VALVE SERVICE 2H02479F 2H02479F 2H02479F 2H02479F 2H02479H 2H02479N R 552203 2 VALVE SERVICE 2A00393U 2A0039...

Page 72: ... 5211A20116A 5211A20116C R 552201 VALVE CHECK 3H01552F 3H01552F 3H01552F 3H01552F 3H01552F 3H01552F R 552202 VALVE REVERSING 5220AR3084A 5220AR3084A 5220AR3084A 5220AR3084A 5220AR3084A 5220AR3084A R 552203 1 VALVE SERVICE 2H02479H 2H02479H 2H02479H 2H02479H 2H02479H 2H02479H R 552203 2 VALVE SERVICE 2A00393U 2A00393U 2A00393U 2A00393U 2A00393U 2A00393U R 552102 1 TUBE CAPILLARY BEND 5210A21341A R ...

Page 73: ...21341A R 552102 1 TUBE CAPILLARY BEND 5424AR7208M 5424AR7208M R 552111 TUBE ASSEMBLY CAPILLARY 5211A20117C 5211A30275D 5211A30275D 5211A30275D 5211A30275D 5211A20117E R 552116 TUBE ASSEMBLY REVERSING 5211A20116A 5211A20116C R 552201 VALVE CHECK 3H01552F 3H01552F R 552202 VALVE REVERSING 5220AR3084A 5220AR3084A R 552203 1 VALVE SERVICE 2H02479H 2H02479F 2H02479F 2H02479F 2H02479F 2H02479H R 552203 ...

Page 74: ...211A30337A 5211A30337A 5211A30337A 5211A30337A R 552203 1 VALVE SERVICE 2H02479F 2H02479F 2H02479F 2H02479F 2H02479F R 552203 2 VALVE SERVICE 2A00393U 2A00393U 2A00393U 2A00393U 2A00393U R 554031 CONDENSER ASSEMBLY BENT 5403AR2870P 5403AR2870P 5403AR2870H 5403AR2870H 5403AR2870H R 554160 COMPRESSOR 5416A20013J 5416A20013J 5416A20013J 5416A20013J 5416A20013J R 559010 FAN ASSEMBLY PROPELLER 5900AR12...

Page 75: ...P No 3828A20178A August 2003 Printed in Korea ...

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