Hisense AUD-18HX4SUNL User 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
¾
¾
¾
¾
¾
¾
1.1
Duc
eatures
¾
Save Ins
t
The
¾
Optional
18k:
Pre
s
One
¾
High Effi
c
R41
0
¾
24-hour
T
This
24-
h
¾
Mute Op
e
The
nois
e
¾
Meeting
V
The
Feature
s
t Type
Ai
t
allation Sp
a
indoor unit
c
Static Press
optional 10
P
s
sure.
unit, two in
s
c
iency and
E
0
A can prot
e
T
imer ON a
n
Timer can
b
h
our period.
e
ration
excellent fa
n
e
.
V
arious Inst
a
back-air-inl
e
s
i
r Conditi
a
ce
c
an be instal
l
ure
P
a /30Pa, 2
4
s
tallation me
t
E
nvironment
e
ct the envir
o
n
d OFF
b
e set to aut
o
n
design en
a
a
llation Req
u
e
t type is us
u
oner
l
ed inside th
e
4
K 36K 50P
a
t
hod.
Friendly Ne
w
o
nment and
d
o
matically tu
a
ble the airfl
o
u
irements
u
ally to be a
d
e
ceiling co
n
a
/80Pa, 48K
/
w
Refrigeran
d
o not harm
r
n the unit o
n
o
w to be qui
e
d
opted acco
r
n
veniently.
/
60K: 80Pa/1
t-R410A
to the ozon
e
n
or off at h
a
e
t and smoo
t
r
ding to the
a
1.G
E
20Pa static
e
layer.
a
lf-hour withi
n
t
h with mini
m
a
ctual install
a
E
NERAL
1
n
a
m
um
a
tion

1.GENERAL
2

space.
The unit is also installed with down-air-inlet type.
¾Self 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.
¾Fault 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
¾
¾
¾
¾
¾
¾
C
assette
T
e
atures
¾
Save Ins
t
The indo
o
¾
High Effi
c
R410A c
a
¾
24-hour
T
This Tim
e
period.
¾
Mute Op
e
The exc
e
¾
Self Rec
o
When th
e
air-condi
t
¾
Fault Sel
f
When th
e
the fault
T
ype Air
t
allation Sp
a
o
r unit can
b
c
iency and
E
a
n protect th
T
imer ON a
n
e
r can be se
t
e
ration
e
llent fan de
s
o
very of Po
w
e
power sup
p
t
ioner can ru
f
-diagnose
F
e
re is somet
h
s, which ca
n
Conditio
n
a
ce
b
e installed i
n
E
nvironment
e environm
e
n
d OFF
t
to automat
i
s
ign enable t
w
er Break
p
ly is recove
n according
F
unction
h
ing wrong
w
n
be read fro
m
n
er
n
side the cei
l
Friendly Ne
w
e
nt and do n
o
i
cally turn th
e
he airflow to
red after br
e
to the origin
a
w
ith the air-c
o
m
the displa
y
l
ing conveni
e
w
Refrigeran
o
t harm to th
e
unit on or
o
be quiet an
d
e
ak, all pres
e
a
l setting.
o
nditioner, th
y
and is con
v
e
ntly.
t-R410A
e ozone lay
e
o
ff at half-ho
u
d
smooth wi
t
e
t are still eff
e
e micro co
m
v
enient for
m
1.G
E
e
r.
ur within a 2
4
t
h minimum
n
e
ctive and t
h
m
puter could
d
m
aintenance.
E
NERAL
3
4
-hour
n
oise.
h
e
d
iagnose

1.GENERAL
4

Ceiling&Floor Air Conditioner
Features
¾Save Installation Space
The indoor unit’s thickness is only 230mm,can be installed inside the ceiling conveniently.
¾Flexible 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.
¾High Efficiency and Environment Friendly
New Refrigerant-R410A
R410A can protect the environment and do not harm to the ozone layer.
¾24-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.
¾Mute Operation
The excellent fan design enable the airflow to be quiet and smooth with minimum noise.
¾Various Refrigerant Pipe Connect Methods
The refrigerant pipe can be connect from 3 different directions(rear,right or top) .More methods,
more conveniently.
¾Self 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.
¾Fault 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
M
odel
ndoor
u
tdoor
M
odel
ndoor
u
tdoor
u
ct Pic
t
e 
t
ure
AUD-18HX
4
AUD-36HX
6
4
SUNL
6
SAHH
1.G
E
AUD-24HX4
S
AUD-48HX6
S
AUD-60HX6
S
E
NERAL
9
S
ZLH
S
PHH
S
PHH



C
a




a
ssette T
Model
Indoor
Outdoor
Model
Indoor
Outdoor
ype
A
U
A
U
U
C-18HR4SU
A
U
C-36HR6SA
G
A
A
G
A
AUC-24HR
4
AUC-48HR
6
AUC-60HR
6
1.G
E
4
SZGA
6
SPHA
6
SPHA
E
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 mm2 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 ΩM: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 mm23 core x1.5 3 core x2.5 5 core x1.5 5 core x2.5 5 core x2.5
Signal wiring mm25 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 ΩM: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