Hisense AS-12UR4SVNVG1 (UP1) Service Manual
Hisense AS-12UR4SVNVG1 (UP1) Service Manual

Hisense AS-12UR4SVNVG1 (UP1) Service Manual

Split type air conditioner

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AS-09UR4SVNVG1(UP1)
AS-12UR4SVNVG1(UP1)

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Summarization of Contents

UNIT SPECIFICATIONS
Unit Specifications
Detailed specifications for AS-09UR4SVNVG1 and AS-12UR4SVNVG1 models.
Major Component Specifications
Specifications for key components like indoor fan motor, outdoor fan motor, and compressor.
Other Component Specifications
Specifications for other components like louver motor.
INSTALLATION GUIDELINES
How to Choose an Air Conditioner
Guidelines for selecting an air conditioner based on room type and size.
Indoor Unit Installation
Recommendations for indoor unit installation location, clearance, and wall requirements.
Outdoor Unit Installation
Guidelines for outdoor unit installation, clearance, and environmental considerations.
General Unit Installation
Overall unit installation requirements, including height difference and pipe length limits.
Outdoor Unit Feet Distance
Diagram showing the specific mounting dimensions for the outdoor unit feet.
ELECTRICAL DATA AND WIRING
Indoor Unit Wiring Diagram
Electrical wiring schematic for the indoor unit control board and components.
Outdoor Unit Wiring Diagram
Electrical wiring schematic for the outdoor unit control board and components.
CONTROL SYSTEM OPERATION
General Operation Parameters
Key operating parameters like ambient temperature, humidity, and power supply.
Controller Display and Indicators
Explanation of the remote controller display panel and operational indicators.
Basic Control Functions
Emergency switch, operator-machine communication, and timer functions.
Sleep and Smart Modes
How to use sleep mode and the automatic SMART mode operation.
Mode Switching and Cooling Operation
Logic for switching modes, cooling operation details, and fan speeds.
Heating Operation Details
Specifics of heating mode, temperature compensation, and fan speeds.
Dehumidifying and Air Blowing Modes
Operation of dehumidifying and air blowing modes with related parameters.
Compressor State Indication
LED indicators on the outdoor unit showing compressor status and faults.
Special Operational Notes
Important notes on unit power, EEPROM, and restoration functions.
TROUBLESHOOTING AND ALARMS
Trouble Alarm Overview
List of trouble alarms indicated by outdoor and indoor unit indicators.
Outdoor Unit Indicator Codes
Symbols and meanings for LED indicators on the outdoor unit.
Indoor Unit Error Codes
Specific error codes displayed or indicated by the indoor unit.
Diagnostic Service Flowchart
Step-by-step diagnostic flowchart for troubleshooting common issues.
Specific Error Code Troubleshooting
Detailed troubleshooting steps for specific error codes (sensors, compressor, etc.).
COMPONENT INSPECTION AND REPAIR
Refrigerant System Diagnostics
Procedure for checking the refrigerant system using a pressure gauge.
Refrigerant Flow Troubleshooting
Flowcharts for diagnosing refrigerant issues in cooling and heating modes.
Fan Motor and Compressor Checks
Procedures for checking and repairing fan motors and compressors.
Other Component Checks
Procedures for checking inductance, filters, stepper motors, and fuses.
Capacitor Testing Procedure
Method for testing capacitor functionality using a multimeter.

Table of Contents