Hisense AUD-24UX4SZLH Operating manual

TECHNICAL&SERVICE MANUAL V3.3
—DC INVERTER AIR CONDITIONERS
MODEL:
AUD-18UX4SGKL
AUD-24UX4SZLH
AUD-36UX4SAMH
AUD-48UX6SPHH
AUD-60UX6SPHH
AUC-18UX4SGAA
AUC-24UX4SZEA
AUC-36UX4SAEA
AUC-48UX6SPFA
AUC-60UX6SPFA
AUC-18UR4SZAA1
AUC-24UR4SAEA1
AUC-36UR4SAEA1
AUV-18UR4SZA1
AUV-24UR4SAA1
AUV-36UR4SAB1
AUV-48UR6SPC
AUV-60UR6SPC
AUD-18UX4SZKL1
AUD-24UX4SALH1
AUD-36UX4SAMH1

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
4-5 PERFORMANCECURVE 44
5．ELECTRICAL DATA 44
5-1 Electric Wiring Diagrams 46
5-2. Electric Control 59
5-3. Dip Switch Setting of Outdoor 68
5-4. Digital Display Switch of Outdoor 69
5-5. Static Pressure Setting(only for duct type) 71
5-6. Internal Control Parameter Adaptation 72
5-7 Sensor Parameter 74
6．CONTROL MODE 82
6-1 Indoor Control Mode 82
6-2 Outdoor Control Mode 85
7．TROUBLE SHOOTING 87
7-1 Error Codes 87
8．CHECKING COMPONENTS 116
DC InverterAir Conditioner Technical & Service Manual
Table of Contents

8-1 Check Refrigerant System 110
8-2 Check Parts Unit 112

1
1
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4
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1
1. . G GE EN NE ER RA AL L

DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3 2
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.

1
1
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DC IIN
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Self Rec
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When th
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Fault Sel
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When th
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1
1. . G GE EN NE ER RA AL L

DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3 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

DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3 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

DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3 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

DC IINVER AIR CONDITIONER TECHNICAL&SERVICE MANUAL V3.3 7
1.3 MODEL IDENTIFICATION
A U C -18 U R 4 S Z A A 1
G:Indoor Unit Indetification
S:Refrigerant R410A F:Refrigerant 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
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