Hisense AUD-18UX4SGKL User manual

DC INVERTER AIR CONDITIONER
SERVICE MANUAL V:3.0
UNIT:
HisenseCorporation
AUD-18UX4SGKL
AUD-24UX4SZLH
AUD-36UX4SAMH
AUD-48UX6SPHH
AUD-60UX6SPHH
AUC-18UX4SGAA
AUC-24UX4SZEA
AUC-36UX4SAEA
AUC-48UX6SPFA
AUC-60UX6SPFA
AUD-18UX4SZKL1
AUD-24UX4SALH1
AUD-36UX4SAMH1
AUC-18UR4SZAA1
AUC-24UR4SAEA1
AUC-36UR4SAEA1
AUV-18UR4SZA1
AUV-24UR4SAA1
AUV-36UR4SAB1
AUV-48UR6SPC
AU
V
-60UR6SPC

Table of Contents
Page
1．GENERAL 1
2．SPECIFICATION 15
3．OUTLINES AND DIMENSIONS 24
3-1 INDOOR 24
3-2 OUTDOOR 29
4．DIAGRAM&DATA 33
4-1 Refrigerant Flow Diagram 33
4-2MAX. Refrigerant Pipe Length and Height Difference 36
4-3 Electric Diagrams 37
4-4Air flow and ESP Chart Diagrams(for duct type) 39
5．ELECTRICAL DATA 44
5-1 Electric Wiring Diagrams 44
5-2. Electric Control 57
5-3. Dip Switch Setting of Outdoor 66
5-4. Digital Display Switch of Outdoor 67
5-5. Static Pressure Setting(only for duct type) 69
5-6. Ambient Temperature Revise(INDOOR) 71
5-7 Sensor Parameter 72
6．CONTROL MODE 80
6-1 Indoor Control Mode 80
6-2 Outdoor Control Mode 83
7．TROUBLE SHOOTING 86
7-1 Error Codes 81
8．CHECKING COMPONENTS 97
8-1 Check Refrigerant System 97
8-2 Check Parts Unit 99


F
¾
¾
1
8
c
h
¾
¾
¾
¾
1.1
Duc
eatures
¾
Save Ins
t
The
¾
Optional
8
k: optional
1
h
anged betwe
One
¾
High Effi
c
R41
0
¾
24-hour
T
This
¾
Mute Op
e
The
nois
e
¾
Meeting
V
The
spa
c
Feature
s
t Type
Ai
t
allation Sp
a
indoor unit
c
Static Press
1
0Pa /30Pa,
en1-80Pa) , 4
8
unit, mute
o
c
iency and
E
0
A can prot
e
T
imer ON a
n
Timer can
b
e
ration
excellent fa
n
e
.
V
arious Inst
a
back-air-inl
e
c
e.
s
i
r Conditi
a
ce
c
an be instal
l
ure
24K/36K 50
8
K/60K: 80
P
o
ptional inst
a
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
1
oner
l
ed inside th
e
Pa/80Pa(Fo
P
a/120Pa st
a
a
llation meth
o
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
r AUD-24UX
4
a
tic Pressur
e
o
d.
w
Refrigeran
d
o not harm
r
n the unit o
n
o
w to be qui
e
d
opted acco
r
n
veniently.
4
SALH1&
A
U
D
e
.
t-R410A
to the ozon
e
n
or off withi
n
e
t and smoo
t
r
ding to the
a
1.G
E
D
-36UX4SAM
H
e
layer.
n
a 24-hour
p
t
h with mini
m
a
ctual install
a
E
NERAL
H
1，freely
p
eriod.
m
um
a
tion

1.GENERAL
2

The unit is also installed with down-air-inlet type and the noise will increase about 5-6
dB.
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
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
3
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 within a 2
4
d
smooth wi
t
e
t are still eff
e
e micro co
m
v
enient for
m
1.G
E
e
r.
4
-hour perio
t
h minimum
n
e
ctive and t
h
m
puter could
d
m
aintenance.
E
NERAL
d.
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 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
air-conditioner can run according to the original setting.

1.GENERAL
5

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- ● ● ● ● ●

1.GENERAL
7

1.3 MODEL IDENTIFICATION
A U C -18 U R 4 S Z A A 1
G:Indoor Unit Indetification
S:Refrigement R410A F:Refrigement R22
4:220V-240V/50HZ/1P 6:380V-415V/50HZ/3P
X: Wire Romote Controller R:Wireless Romote Controller
Cool Capacity:18x10 Btu/h
Air Conditioner
Unit
K:Outdoor Unit Indetification
serial number
U:DC-Invert Heat Pump Type H:Heat Pump Type C:Cooling Only
Type:D-Duct Type,C-Cassette Type,V-Ceiling&Floor Type,W-Outdoor Unit
3
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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-18UX
4
AUD-36UX
4
8
4
SGKL
4
SAMH
1.G
E
AUD-24UX4
S
AUD-48UX6
S
AUD-48UX6
S
E
NERAL
S
ZLH
S
PHH
S
PHH
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