Hisense AUD-48HX6SPHH, AUD-24HX4SZLH, AUV-48HR6SPC, AUC-18HR4SUAA, AUD-60HX6SPHH Service Manual

ON/OFF UNITORY AIR CONDITIONER

SERVICE MANUAL

V:3.0

UNIT:

AUD-18HX4SUNL AUD-48HX6SPHH
AUC-18HR4SUAA AUC-48HR6SPHA
AUV-18HR4SUA AUV-48HR6SPC
AUD-24HX4SZLH AUD-60HX6SPHH
AUC-24HR4SZGA AUC-60HR6SPHA
AUV-24HR4SZA AUV-60HR6SPC
AUD-36HX6SAHH
AUC-36HR6SAGA
AUV-36HR6SAB

Hisense Corporation

Table of contents

Page
1．GENERAL 1

2．SPECIFICATION 12

2-1 Duct type specifications 12
2-2 Cassette type specifications 15
2-3 Ceiling &Floor type specifications 18

3．OUTLINES AND DIMENSIONS 21

3-1 INDOOR 21
3-2 OUTDOOR 26

4．REFRIGERANT FLOW DIAGRAM 30

4-1 Refrigerant flow diagram 30
4-1 ELECTRIC Diagrams 33

5．ELECTRICAL DATA 36

5-1 Electric wiring diagrams 36
5-2 Sensor parameter 47

6．CONTROL MODE 56

6-1 Indoor control mode 58
6-2 Outdoor control mode 50

7．TROUBLESHOOTING 61

7-1 Error codes 61

8．CHECKING COMPONENTS 64

8-1 Check refrigerant system 64
8-2 Check parts unit 72

9．PARTS LIST 78

9-1 Indoor 78
9-2 Outdoor 110



F

¾¾¾¾¾

¾

1.1

Duc

eatures

Save Ins

t

The

Optional

18k:

Pre

s

One

High Effi

c

R41

0

24-hour

T

This

24-

h

Mute Op

e

The

nois

e

Meeting

V

The

Feature

s

t Type

Ai

allation Sp

a

indoor unit

c

Static Press

optional 10

P

sure.

unit, two in

s

iency and

E

A can prot

e

imer ON a

n

Timer can

b

our period.

ration

excellent fa

n

.

arious Inst

a

back-air-inl

e

r Conditi

ce

an be instal

l

ure

a /30Pa, 2

4

tallation me

t

nvironment

ct the envir

o

d OFF

e set to aut

o

design en

a

llation Req

u

t type is us

u

oner

ed inside th

e

K 36K 50P

a

hod.

Friendly Ne

w

nment and

d

matically tu

ble the airfl

o

irements

ally to be a

d

ceiling co

n

/80Pa, 48K

/

Refrigeran

o not harm

n the unit o

n

w to be qui

e

opted acco

r

veniently.

60K: 80Pa/1

t-R410A

to the ozon

e

or off at h

a

t and smoo

t

ding to the

a

1.G

E

20Pa static

layer.

lf-hour withi

n

h with mini

m

ctual install

a

NERAL

1

a

um

tion

1.GENERAL

2



space.

The unit is also installed with down-air-inlet type.

¾ Self Recovery of Power Break

When the power supply is recovered after break, all preset are still effective and the

air-conditioner can run according to the original setting.

¾ Fault Self-diagnose Function

When there is something wrong with the air-conditioner，the micro computer could

diagnose the faults, which can be read from the display and is convenient for

maintenance.



C

F

e

¾¾¾

¾¾¾

assette

T

atures

Save Ins

t

The indo

o

High Effi

c

R410A c

a

24-hour

T

This Tim

e

period.

Mute Op

e

The exc

e

Self Rec

o

When th

e

air-condi

t

Fault Sel

f

When th

e

the fault

ype Air

allation Sp

a

r unit can

b

iency and

E

n protect th

imer ON a

n

r can be se

t

ration

llent fan de

s

very of Po

w

power sup

p

ioner can ru

-diagnose

F

re is somet

h

s, which ca

n

Conditio

n

ce

e installed i

n

nvironment

e environm

e

d OFF

to automat

i

ign enable t

er Break

ly is recove

n according

unction

ing wrong

w

be read fro

m

er

side the cei

l

Friendly Ne

w

nt and do n

o

cally turn th

e

he airflow to

red after br

e

to the origin

a

ith the air-c

o

the displa

y

ing conveni

e

Refrigeran

t harm to th

unit on or

o

be quiet an

d

ak, all pres

e

l setting.

nditioner, th

and is con

v

ntly.

t-R410A

e ozone lay

e

ff at half-ho

u

smooth wi

t

t are still eff

e

e micro co

m

enient for

m

1.G

E

r.

ur within a 2

4

h minimum

n

ctive and t

h

puter could

d

aintenance.

NERAL

3

-hour

oise.

e

iagnose

1.GENERAL

4



Ceiling&Floor Air Conditioner

Features
¾ Save Installation Space

The indoor unit’s thickness is only 230mm,can be installed inside the ceiling conveniently.

¾ Flexible Installation Options

According to the actual installation space,The indoor unit can be installed in the ceiling

or on the floor. One unit, Two installation method.

¾ High Efficiency and Environment Friendly

New Refrigerant-R410A

R410A can protect the environment and do not harm to the ozone layer.

¾ 24-hour Timer ON and OFF

This Timer can be set to automatically turn the unit on or off at half-hour within a 24-hour period.

¾ Mute Operation

The excellent fan design enable the airflow to be quiet and smooth with minimum noise.

¾ Various Refrigerant Pipe Connect Methods

The refrigerant pipe can be connect from 3 different directions(rear,right or top) .More methods,

more conveniently.

¾ Self Recovery of Power Break

When the power supply is recovered after break, all preset are still effective and the

1.GENERAL

5



air-conditioner can run according to the original setting.

¾ Fault Self-diagnose Function

When there is something wrong with the air-conditioner, the micro computer could diagnose the

faults, which can be read from the display and is convenient for maintenance.

1.GENERAL

6



1.2 Product Lineup

Type Model 18 24 36 48 60

Duct Type AUD ● ● ● ● ●

Cassette Type AUC ● ● ● ● ●

Ceiling&Floor

Type

AUV ● ● ● ● ●

Note：18=18K btu type

1.GENERAL

7



1.3 MODEL IDENTIFICATION









1.GENERAL

8





1

D

M

I

O

u

M

I

O

u











.4 Prod

u

uct Typ

odel

ndoor

tdoor

odel

ndoor

tdoor

ct Pic

t

e



ure

AUD-18HX

4

AUD-36HX

6

SUNL

SAHH

1.G

E

AUD-24HX4

S

AUD-48HX6

S

AUD-60HX6

S

NERAL

9

ZLH

PHH
PHH





C

a









ssette T

Model

Indoor

Outdoor

Model

Indoor

Outdoor

ype

A

UAU

C-18HR4SU

A

C-36HR6SA

G

A

A

AUC-24HR

4

AUC-48HR

6

AUC-60HR

6

1.G

E

SZGA

SPHA
SPHA

NERAL

10

1.GENERAL

11



Ceiling&Floor Type

Model AUV-18HR4SUA AUV-24HR4SZA

Indoor

Outdoor

Model AUV-36HR6SAB

AUV-48HR6SPC

AUV-60HR6SPC

Indoor

Outdoor









2.SPECIFICATIONS

12



2.Specifications

2.1DuctType

Model AUD-18HX4SUNL AUD-24HX4SZLH AUD-36HX6SAHH AUD-48HX6SPHH AUD-60HX6SPHH

Power supply Ph-V-Hz 1N,220V~240V/50Hz 3N～，380V-415V/50Hz

Capacity

Cooling

kW 5 7.4

10 14 16

Btu/h 17,000 25,300 34,100 47,800 54,600

Heating

kW

5.5 7.9 11 15 17.5

Btu/h 18,800 26,900 37,500 51,200 59,700

Dehumidification L/h 1.3 1.3 2.3 3.5 3.5

Rated input

Cooling kW

1.55 2.45 3.55 4.651 5.694

Heating kW 1.6 2.19 3.65 4.532 5.814

Rated Current

Cooling A

7.09 11.5 6.0 8.8 10.0

Heating A 7.32 11 6.5 8.6 10.3

Max. input

Cooling kW

2.311 3.2 5.5 6.5 7.932

Heating kW 2.311 3.2 5.5 6.4 8.234

Max.Current

Cooling A

10.53

15.5 9.0 12.1 15.6

Heating A

10.53

15.5 9.0 11.6 16.6

EER/COP 2.81/3.06 3.02/3.61

3.23/3.44

3.01/3.31 2.81/3.01

Compressor

Model

PA190M2CS-4KTL

PA290G2CS-4MUL

1

C-SBN303H8D C-SBN737H8D C-SBN453H8D

Type Rotary scroll scroll scroll

2.SPECIFICATIONS

13



Model AUD-18HX4SUNL AUD-24HX4SZLH AUD-36HX6SAHH AUD-48HX6SPHH AUD-60HX6SPHH

Winding resistance（20℃） Ω M:2.1，A:2.81 M:1.37，A:1.7

U-V:

2.806;U-W :2.806;

V-W: 2.651 （at

25℃）

U-V: 2433;U-W :2433;

V-W: 2.304（at 25℃）

U-V: 2433;U-W :2433;

V-W: 2.304（at 25℃）

Brand GMCC GMCC SANYO SANYO SANYO

Fan motor

Indoor

Model

YSK95-45-4-B Y6S419C56 Y7S423B814 Y7S423C237 Y7S423C237

Winding

resistance

(at20℃)

M:138;A:178 M:70.1;A:75.5 M:52.5;A:29.5 M:17.89;A:27.2 M:17.89;A:27.2

Outdoor

Model

YDK29-6I-25 YDK70-6H-3 YDK95-6-9043

YDK65-6-9024

YDK65-6-9061

YDK65-6-9024

YDK65-6-9061

Winding

resistance

(at20℃)

M:231.5;A:168 M:78;A:80 M:59.1;A:85.8

M:83;A1:23.4A2:14A1:63.5 M:83;A1:23.4A2:14A1:6

3.5

Fan Indoor

type

centrifugal fan

Speed

Hi/Med/Low

r.p.m

1070/1130/1280(10Pa)

1220/1270/1370(30Pa)

860/990/1070(50Pa)

50Pa：

810/835/880

80Pa：

900/925/965

830/900/1000(80Pa) 830/900/1000(80Pa)

Fan speed Outdoor

type r.p.m

tube-axial

Speed

Hi/Med/Low

r.p.m

890/-/950 560/780/840 540 / 640 / 800 500 / 600 / 700 500 / 600 / 700

Air circulation

Indoor Hi/Med/Low m³/h

780 1100 1800 2000 2000

Outdoor Hi/Med/Low m³/h -- -- -- -- --

Static Pressure(*Default Setting) Pa 10*/30 50*/80 50*/80 80*/120 80*/120

Operating control Wire Remote control

2.SPECIFICATIONS

14



Model AUD-18HX4SUNL AUD-24HX4SZLH AUD-36HX6SAHH AUD-48HX6SPHH AUD-60HX6SPHH

Dimensions

Indoor L×W×H mm

900×447×190 900×720×270 1300×800×350 1300×800×350 1300×800×350

Outdoor L×W×H mm 800×260×550 900×300×640 950×340×840 950×340×1386 950×340×1386

Packing

Indoor L×W×H mm

1070×580×270 1170×870×340 1550×940×410 1550×940×410 1550×940×410

Outdoor L×W×H mm 930×360×620 1050×400×700 1100×460×920 1110×460×1530 1110×460×1530

Weight

Indoor Net/Gross kg

20/24 32/37 50/58 54/62 50/58

Outdoor Net/Gross kg 37/42 54/60 71/81 114/124 109 /119

Noise lever

Indoor Hi/Med/Low Db

--/43 43/49 --/50 49/53 49/53

Outdoor Hi/Med/Low Db --/55 53/58 --/60 --/62 --/62

Refrigerant

piping

Gas/Liquid mm

12.7/6.35 15.88/9.52 15.88/9.52 19.05/9.52 19.05/9.52

Max. refrigerant pipe length m 15 20 30 50 50

Max. difference in level m 7.5 10 15 20（outdoor blow：15） 20（outdoor blow：15）

Connection method Flare

Connection

wiring

Power wiring mm

2

3 core x1.5 3 core x2.5 5 core x1.5 5 core x2.5 5 core x2.5

Signal wiring mm2 5 core x1.5 4core x0.75 4core x0.75 4core x0.75 4core x0.75

Refrigerant charge(R410a) kg 1.2 1.65 2.3 3.1 3.3

Throttle Type Capillary Capillary Capillary Capillary Capillary

Ambient temp

℃

Cooling 15～43

Heating -10～24

















2.SPECIFICATIONS

15



2.2CassetteType

Model AUC-18HR4SUAA AUC-24HR4SZGA AUC-36HR6SAGA AUC-48HR6SPHA AUC-60HR6SPHA

Power supply Ph-V-Hz

1N,220V~240V/50Hz 3N~,380V~418V/50Hz

Capacity

Cooling

kW

5 7.45 10 14 16

Btu/h

17,000 25,400 34,100 47,800 54,600

Heating

kW

5.5 7.5 11 14.8 17.5

Btu/h

18,800 25,600 37,500 50,500 59,700

Dehumidification L/h

1.8 2 2.3 4.5 4.5

Rated input

Cooling kW

1.55 2.32 3.6 4.844 5.694

Heating kW

1.55 2.08 3.7 4.853 5.814

Rated Current

Cooling A

7.09 10.8 6.0 9.3 10

Heating A

7.09 10 6.5 9.3 10.3

Max. input

Cooling kW

2.3 3.2 5.5 11.8 7.932

Heating kW

2.3 3.2 5.5 11.2 8.234

Max.Current

Cooling A

10.53 15.5 9 6.2 15.6

Heating A

10.53 15.5 9 6.135 16.6

EER/COP

3.23/3.55 3.21/3.61 2.81/3.01 2.89/3.05 2.81/3.01

Compressor

Model

PA190M2CS-4KTL PA290G2CS-4MUL1 C-SBN303H8D C-SBN737H8D C-SBN453H8D

Type

Rotary scroll scroll scroll

Winding resistance Ω

M:2.1，A:2.81 M:1.37，A:1.7

U-V: 2.806;U-W :2.806;

V-W: 2.651 （at 25℃）

U-V: 2433;U-W :2433;

V-W: 2.304（at 25℃）

U-V:

2433;U-W :2433;

V-W: 2.304（at 25℃）

Brand

GMCC GMCC SANYO SANYO SANYO

Fan motor Indoor

Model

YDK95-28-4-B(HS21) YDK30-8-3 YDK75-8-2 YDK80-8-2 YDK80-8-2

Winding

resistanc

e

M:240;A:245,60,33,143 M:209.4;A:245,60,33,143 M:75;A:97.5 M:79.7;A:59.4,20.2,108

M:79.7;A:59.4,20.2,

108

2.SPECIFICATIONS

16



Model AUC-18HR4SUAA AUC-24HR4SZGA AUC-36HR6SAGA AUC-48HR6SPHA AUC-60HR6SPHA

(at20℃)

Outdoor

Model

YDK29-6I-25 YDK70-6H-3 YDK95-6-9043

YDK65-6-9024
YDK65-6-9061

YDK65-6-9024
YDK65-6-9061

Winding

resistanc

e

(at20℃)

M:231.5;A:168 M:78;A:36.2,51.5,109.2 M:59.1;A:85.8 M:83;A1:23.4A2:14A1:63.5

M:83;A1:23.4A2:14

A1:63.5

Fan Indoor

type

centrifugal fan

Speed Hi/Med/Low r.p.m

720/840/980 270/390/450 480/530/610 450/550/640 450/550/640

Fan speed

Outdoo

r

type r.p.m

tube-axial

Speed Hi/Med/Low r.p.m

890/920/950 560/780/840 540 / 640 / 800 500 / 600 / 700 500 / 600 / 700

Air

circulation

Indoor Hi/Med/Low m³/h

800 1100 1800 2000 2000

Outdoo

r

Hi/Med/Low m³/h

-- -- -- -- --

Static Pressure(*Default Setting) Pa

0 0 0 0 0

Operating control

Wireless Remote control（J1-05)

Dimensions

Indoor L×W×H mm

650×570×270 840×840×248 840×840×248 840×840×298 840×840×298

Outdoo

r

L×W×H mm

800×260×550 900×300×640 950×340×840 950×340×1386 950×340×1386

Panel L×W×H mm

650×650×30 950×950×37 950×950×37 950×950×37 950×950×37

Packing

Indoor L×W×H mm

770×750×370 930×930×290 930×930×290 930×930×340 930×930×340

Outdoo

r

L×W×H mm

940×360×640 1080×420×720 1110×460×980 1110×460×1530 1110×460×1530

Panel L×W×H mm

650×650×30 1010×990×95 1010×990×115 1010×990×115 1010×990×115

Weight Indoor Net/Gross kg

20/27 36/43 30/36 33/39 33/39

2.SPECIFICATIONS

17



Model AUC-18HR4SUAA AUC-24HR4SZGA AUC-36HR6SAGA AUC-48HR6SPHA AUC-60HR6SPHA

Outdoo

r

Net/Gross kg

37/42 54/60 71/81 114/124 114/124

Panel Net/Gross kg

2.4/5 6/7.5 6/7.5 6/7.5 6/7.5

Noise lever

Indoor Hi/Med/Low Db

35/46 36/43 --/50 46/52 46/52

Outdoo

r

Hi/Med/Low Db

--/55 53/58 --/60 --/62 --/62

Refrigerant

piping

Gas/Liquid mm

12.7/6.35 15.88/9.52 15.88/9.52 19.05/9.52 19.05/9.52

Max. refrigerant pipe length m

15 20 30 50 50

Max. difference in level m

7.5 10 15

20（outdoor blow：15）

20（outdoor blow：

15）

Connection method

Flare

Connection

wiring

Power wiring mm

2

3 core x1.5 3 core x2.5 5 core x1.5 5 core x2.5 5 core x2.5

Signal wiring mm2

5 core x1.5 4core x0.75 4core x0.75 4core x0.75 4core x0.75

Refrigerant charge(R410a) kg

1.2 1.65 2.3 3.1 3.3

Throttle Type

Capillary Capillary Capillary Capillary Capillary

Ambient temp

℃

Cooling 15～43

Heating -7～24





















2.SPECIFICATIONS

18



2.3Ceiling&Floortype

Model

AUV-18HR4SUA AUV-24HR4SZA AUV-36HR6SAB AUV-48HR6SPC AUV-60HR6SPC

Power supply Ph-V-Hz

1N,220V~240V/50Hz 3N~,380V~418V/50Hz

Capacity

Cooling

kW

5 7.7 10.2 14 16

Btu/h

17,000 26,300 34,800 47,800 54,600

Heating

kW

5.5 7.9 12 16 18

Btu/h

18,800 27,000 40,900 54,600 61,400

Dehumidification L/h

1.8 2 2.3 4.5 4.5

Rated input

Cooling kW

1.5 2.4 3.625 4.651 5.694

Heating kW

1.595 2.19 3.725 4.523 5.814

Rated

Current

Cooling A

7.1 11.2 6.7 8.8 10

Heating A

7.3 11 7 8.6 10.3

Max. input

Cooling kW

2.3 3.2 5.5 6.479 7.932

Heating kW

2.3 3.2 5.5 6.418 8.234

Max.Current

Cooling A

10.5 15.5 9 12.1 15.6

Heating A

10.5 15.5 9 11.6 16.6

EER/COP

3.23/3.44 3.21/3.61 2.81/3.22 3.01/3.53 2.81/3.1

Compressor

Model

PA190M2CS-4KTL PA290G2CS-4MUL1 C-SBN303H8D C-SBN737H8D C-SBN453H8D

Type

Rotary scroll scroll scroll

Winding resistance Ω

M:2.1，A:2.81 M:1.37，A:1.7

U-V:

2.806;U-W :2.806;

U-V: 2433;U-W :2433; U-V: 2433;U-W :2433;

V-W: 2.651 （at

25℃）

V-W: 2.304（at 25℃） V-W: 2.304（at 25℃）

Brand

GMCC GMCC SANYO SANYO SANYO

Fan motor Indoor

Model

YSK110-22-4-A YSK110-100-4-A Y7S423B212 Y7S423C032 Y7S423C032

Winding

resistance

M:187 A1：37.5 A2：

27.8 A3： 146

M:55 A1：23.2 A2： 10.9

A3： 18.3

M:41.49 A:35.21

黑蓝： 13.25 蓝

M:42.69 A:36.41 黑蓝：

9.19 蓝黄：9.09

M:42.69 A:36.41 黑蓝：

9.19 蓝黄：9.09

2.SPECIFICATIONS

19



(at20℃)

黄：12.39

Outdoor

Model

YDK29-6I-25 YDK70-6H-3 YDK95-6-9043

YDK65-6-9024 YDK65-6-9024
YDK65-6-9061 YDK65-6-9061

Winding

resistance

M:231.5;A:168 M:78;A:36.2,51.5,109.2 M:59.1;A:85.8 M:83;A1:23.4A2:14A1:63.5 M:83;A1:23.4A2:14A1:63.5

(at20℃)

Fan Indoor

type

centrifugal fan

Speed

Hi/Med/Low

r.p.m

630/720/800 830/1000/1180 1090/1210/1350 1060/1145/1250 1060/1145/1250

Fan speed Outdoor

type r.p.m

tube-axial

Speed

Hi/Med/Low

r.p.m

890/920/950 560/780/840 540 / 640 / 800 500 / 600 / 700 500 / 600 / 700

Air

circulation

Indoor Hi/Med/Low m³/h

800 1100 1600 2000 2000

Outdoor Hi/Med/Low m³/h

-- -- -- -- --

Static Pressure(*Default Setting) Pa

0 0 0 0 0

Operating control

Wireless Remote control（J1-05)

Dimensions

Indoor L×W×H mm

990×680×230 990×680×230 1290×680×230 1580×680×230 1580×680×230

Outdoor L×W×H mm

800×260×550 900×300×640 950×340×840 950×340×1386 950×340×1386

Packing

Indoor L×W×H mm

1100×820×350 1100×820×350 1400×820×350 1690×820×350 1690×820×350

Outdoor L×W×H mm

940×360×640 1080×420×720 1110×460×980 1110×460×1530 1110×460×1530

Weight

Indoor Net/Gross kg

27/33 30/35 37/44 44/52 44/52

Outdoor Net/Gross kg

37/42 54/60 71/81 114/124 114/124

Noise lever

Indoor Hi/Med/Low Db

--/41 45/52 48/53 49/52 49/52

Outdoor Hi/Med/Low Db

--/55 53/58 --/60 --/62 --/62

Refrigerant

piping

Gas/Liquid mm

12.7/6.35 15.88/9.52 15.88/9.52 19.05/9.52 19.05/9.52

Max. refrigerant pipe length m

15 20 30 50 50

Max. difference in level m

7.5 10 15

20（outdoor blow：15） 20（outdoor blow：15）

2.SPECIFICATIONS

20



Connection method

Flare

Connection Power wiring mm2

3 core x1.5 3 core x2.5 5 core x1.5 5 core x2.5 5 core x2.5

wiring Signal wiring mm2

5 core x1.5 4core x0.75 4core x0.75 4core x0.75 4core x0.75

Refrigerant charge(R410a) kg

1.2 1.65 2.3 3.1 3.3

Throttle Type

Capillary Capillary Capillary Capillary Capillary

Ambient temp

℃

Cooling 15～43

Heating -7～24



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3.Duct Type

3.1 INDOOR

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2.Cassette Type

（

MODEL: AUC-18HR4SUAA）

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（

MODEL: AUC-24HR4SZGA

、

AUC-36HR6SAGA

、

AUC-48HR6SPHA、AUC-60HR6SPHA）

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3.Ceiling&Floor Type

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3-2.OUTDOOR

（

MODEL: AUW-18H4SU）

MODEL: AUW-24H4SZ

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（

MODEL: AUW-36H6SA）

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