Hisense AUD-18HX4SUNL1 Operating manual

TECHNICAL&SERVICE MANUAL V5.0
—ON/OFF UNITARY AIR CONDITIONERS
MODEL:
AUD-18HX4SUNL1
AUD-24HX4SZLH1
AUD-36HX6SAHH1
AUD-48HX6SEHH1
AUD-60HX6SPHH1
AUD-18HX4SUNL
AUD-24HX4SZLH
AUD-36HX6SAHH
AUD-48HX6SPHH
AUD-60HX6SPHH
AUV-18HR4SUA1
AUV-24HR4SZA1
AUV-36HR6SAB1
AUV-48HR6SEC1
AUV-60HR6SPC1
AUV-18HR4SUA
AUV-24HR4SZA
AUV-36HR6SAB
AUV-48HR6SPC
AUV-60HR6SPC
AUC-18HR4SUAA1
AUC-24HR4SZGA1
AUC-36HR6SAGA1
AUC-48HR6SEHA1
AUC-60HR6SPHA1
AUC-18HR4SUAA
AUC-24HR4SZGA
AUC-36HR6SAGA
AUC-48HR6SPHA
AUC-60HR6SPHA
(Low-Ambient Temperature Series)

Table of Contents
Page
Page
1.General 1
1-1Features 1
1-2 Product Lineup 6
1-3 Model Identification 7
1-4ProductPicture 8
2．SPECIFICATION 13
3．OUTLINESAND DIMENSIONS 25
3-1 INDOOR 25
3-2 OUTDOOR 32
4．DIAGRAM&DATA 37
4-1 Refrigerant Flow Diagram 37
4-2MAX. Refrigerant Pipe Length and Height Difference 40
4-3 Electric Diagrams 41
4-4Air flow and ESP Chart Diagrams(for duct type) 44
5．ELECTRICAL DATA 49
5-1 Electric Wiring Diagrams 49
5-2. Electric Control 65
5-3. DIP Switch Setting 68
5-4. Static Pressure Setting(only for duct type) 69
5-5Ambient Temperature Revise(INDOOR) 70
5-6 Sensor Parameter 72
6．CONTROL MODE 80
6-1 Indoor Control Mode 80
6-2 Outdoor Control Mode 83
7．TROUBLE SHOOTING 85
7-1 Error Codes 85
ON/OFF UnitaryAir Conditioner Technical & Service Manual
Table of Contents

8．CHECKING COMPONENTS 114
8-1 Check Refrigerant System 114
8-2 Check Parts Unit 116

1
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1
1. . G GE EN NE ER RA AL L

ON/OFF UNITARYAIR CONDITIONER TECHNICAL& SERVICE MANUAL V5.0 2
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.

1
1
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1
1. . G GE EN NE ER RA AL L

ON/OFF UNITARYAIR CONDITIONER TECHNICAL& SERVICE MANUAL V5.0 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
1. . G GE EN NE ER RA AL L

ON/OFF UNITARYAIR CONDITIONER TECHNICAL& SERVICE MANUAL V5.0 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
1. . G GE EN NE ER RA AL L

ON/OFF UNITARYAIR CONDITIONER TECHNICAL& SERVICE MANUAL V5.0 6
1-2 Product Lineup
Type Model 18 24 36 48 60
Duct Type AUD- ● ● ● ● ●
Cassette Type AUC- ● ● ● ● ●
Ceiling&Floor
type AUV- ● ● ● ● ●

1
1. . G GE EN NE ER RA AL L

ON/OFF UNITARYAIR CONDITIONER TECHNICAL& SERVICE MANUAL V5.0 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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AUD-18H
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AUD-18HX
AUD-48HX
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4SUNL
4SUNL1
6SEHH1
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D-24HX4SZL
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D-24HX4SZL
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D-48HX6SPH
H
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D-60HX6SPH
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D-60HX6SPH
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AUD-36HX
AUD-36HX
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8
6SAHH
6
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CONDITIONE
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AUC-18H
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AUC-18H
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AUC-48H
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4SUAA
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4SUAA1
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6SEHA1
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C-24HR4SZG
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C-60HR6SPH
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AUC-36HR
AUC-36HR
6
9
6SAGA
6
SAGA1

1
1. . G GE EN NE ER RA AL L

ON/OFF UNITARYAIR CONDITIONER TECHNICAL& SERVICE MANUAL V5.0 10
Ceiling&Floor Type
Model AUV-18HR4SUA
AUV-18HR4SUA1
AUV-24HR4SZA
AUV-24HR4SZA1
AUV-36HR6SAB
AUV-36HR6SAB1
Indoor
Outdoor
Model AUV-48HR6SEC1
AUV-48HR6SPC
AUV-60HR6SPC
AUV-60HR6SPC1
Indoor

Outdoor



1
1. . G GE EN NE ER RA AL L

ON/OFF UNITARYAIR CONDITIONER TECHNICAL& SERVICE MANUAL V5.0 11
DISPLAY PANEL
Cassette Type
18k


24K，36K，48K，60K
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1
1. . G GE EN NE ER RA AL L

ON/OFF UNITARYAIR CONDITIONER TECHNICAL& SERVICE MANUAL V5.0 12
Ceiling&Floor type

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1
1
ON/O
F
F
¾
¾
1
8
¾
¾
¾
¾
.
. G GE EN NE E
R
R
F
F UNITARYAI
R
1-1 Fea
t
Duc
t
eatures
¾
Save Ins
t
The
¾
Optional
S
8
k: optional
1
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
The
dB.
R
R
A
AL L
R
CONDITIONE
R
t
ures
t
Type
A
i
t
allation Spa
c
indoor unit
c
S
tatic Press
u
1
0Pa /30Pa,
unit, mute
o
c
iency and E
0
A can prot
e
T
imer ON an
d
Timer can
b
e
ration
excellent fa
n
e
.
V
arious Inst
a
back-air-inl
e
c
e.
unit is also i
R
TECHNICAL&
S
r Conditi
o
c
e
c
an be instal
l
u
re
24K/36K 5
0
o
ptional inst
a
nvironment
F
e
ct the envir
o
d
OFF
b
e set to aut
o
n
design en
a
a
llation Requ
e
t type is us
u
nstalled wit
h

S
ERVICE MAN
U
o
ner
l
ed inside th
e
0
Pa/80Pa 48
a
llation meth
o
F
riendly Ne
w
o
nment and
d
o
matically tu
a
ble the airfl
o
irements
u
ally to be a
d
h
down-air-in
U
AL V5.0
e
ceiling co
n
K/60K: 80P
a
o
d.
w
Refrigerant
-
d
o not harm
r
n the unit o
n
o
w to be qui
e
d
opted acco
r
let type and
n
veniently.
a
/120Pa stat
i
-
R410A
to the ozon
e
n
or off withi
n
e
t and smoo
t
r
ding to the
a
the noise wi
l
i
c Pressure.
e
layer.
n
a 24-hour
p
t
h with mini
m
a
ctual install
a
l
l increase a
b
1
p
eriod.
m
um
a
tion
b
out 5-6

1
1. . G GE EN NE ER RA AL L

ON/OFF UNITARYAIR CONDITIONER TECHNICAL& SERVICE MANUAL V5.0 2
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.

1
1
ON/O
F
C
F
e
¾
¾
¾
¾
¾
¾
.
. G GE EN NE E
R
R
F
F UNITARYAI
R
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
R
R
A
AL L
R
CONDITIONE
R
T
ype Air
C
t
allation Spa
c
o
r unit can
b
c
iency and E
a
n protect th
T
imer ON an
d
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
R
TECHNICAL&
S
C
onditio
n
c
e
b
e installed i
n
nvironment
F
e environm
e
d
OFF
t
to automat
i
s
ign enable t
w
er Break
p
ly is recove
n according
unction
h
ing wrong
w
n
be read fro
m

S
ERVICE MAN
U
n
er
n
side the cei
l
F
riendly 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
U
AL V5.0
l
ing conveni
e
w
Refrigerant
-
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.
-
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
e
r.
4
-hour perio
t
h minimum
n
e
ctive and t
h
m
puter could
d
m
aintenance.
3
d.
n
oise.
h
e
d
iagnose

1
1. . G GE EN NE ER RA AL L

ON/OFF UNITARYAIR CONDITIONER TECHNICAL& SERVICE MANUAL V5.0 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
1. . G GE EN NE ER RA AL L

ON/OFF UNITARYAIR CONDITIONER TECHNICAL& SERVICE MANUAL V5.0 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.