Table of Contents
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SERVICE
INVERTER ONE-TWO/ONE-THREE/ONE-FOUR/ONE-
FIVE SPLIT-TYPE AIR CONDITIONER
ZDAA R32
English Manual
ZDAA-2040-09M25
ZDAA-2050-09M25
ZDAA-3080-09M25
ZDAA-4090-09M25
ZDAA-5130-09M25
IMPORTANT NOTE:
Read this manual carefully before installing or operating your new air conditioning unit. Make sure to
save this manual for future reference.
22.AW.ZDAA.2040-5130.R32.SM.EN.09.14
manual
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Table of Contents
Related Manuals for Airwell ZDAA-4090-09M25
Summarization of Contents
Unit Features
Power Relay Control
Manages power distribution for unit operation and safety.
Low Noise Air Flow System
Designed for quiet operation through optimized airflow management.
Hydrophilic Aluminum Fin
Enhances heating efficiency by improving condensate management.
4-Way Valve Control
Manages refrigerant flow direction for heating/defrosting operations.
Anti-Rust Cabinet
Protects the outdoor unit from corrosion and environmental damage.
Valve Protection Cover
Shields valves from external elements and prevents water dripping.
Discharge Pipe Temperature Protection
Monitors and controls compressor discharge temperature for safety.
Refrigeration Cycle Diagrams
Refrigeration Circuit for 1 Drive 2 Type
Illustrates the refrigerant flow for a single outdoor to two indoor units.
Refrigeration Circuit for 1 Drive 3 Type
Depicts the refrigerant flow for a single outdoor to three indoor units.
Refrigeration Circuit for 1 Drive 4 Type
Shows the refrigerant flow for a single outdoor to four indoor units.
Refrigeration Circuit for 1 Drive 5 Type
Details the refrigerant flow for a single outdoor to five indoor units.
Indoor Unit Combinations
ZDAA-2040-09M25 Combinations
Lists valid indoor unit combinations for the ZDAA-2040-09M25 model.
ZDAA-2050-09M25 Combinations
Lists valid indoor unit combinations for the ZDAA-2050-09M25 model.
ZDAA-3080-09M25 Combinations
Lists valid indoor unit combinations for the ZDAA-3080-09M25 model.
ZDAA-4090-09M25 Combinations
Lists valid indoor unit combinations for the ZDAA-4090-09M25 model.
ZDAA-5130-09M25 Combinations
Lists valid indoor unit combinations for the ZDAA-5130-09M25 model.
Installation Details
Wrench Torque Sheet
Specifies torque values for flange nut tightening during installation.
Cable Connection Specifications
Provides guidelines for selecting power cord size based on appliance current.
Pipe Length and Elevation Limits
Outlines maximum allowed piping length and height differences for optimal performance.
First-Time Installation Procedures
Details essential steps for initial unit setup, including leak testing and evacuation.
Adding Refrigerant After System Age
Instructions for recharging refrigerant in systems that have been running for many years.
Re-installation for Indoor Unit Repair
Steps for collecting refrigerant before indoor unit repair and re-installation.
Re-installation for Outdoor Unit Repair
Procedure for evacuating the entire system before outdoor unit repair and re-installation.
Electronic Control Function
Abbreviation of Terms
Defines technical abbreviations used in electronic control descriptions.
Electric Control Working Environment
Specifies voltage, frequency, and current requirements for unit operation.
Outdoor Unit Digital Display
Explains the functions and indicators of the outdoor unit's digital display.
Outdoor Unit Point Check Function
Describes how to check the unit's status and display codes via a switch.
Compressor Restart Delay Protection
Details the 3-minute delay mechanism to protect the compressor during restarts.
Compressor Discharge Temperature Protection
Explains how discharge temperature affects compressor frequency and operation.
Low Voltage Protection
Describes the system's response to low input voltage to prevent damage.
Compressor Current Limit Protection
Details how compressor current limits are managed based on temperature.
Indoor Outdoor Unit Communication Protection
Outlines protections for communication failures between indoor and outdoor units.
High Condenser Coil Temperature Protection
Explains protective measures when the condenser coil temperature becomes too high.
Outdoor Unit Anti-Freezing Protection
Describes the protection against freezing of the outdoor unit's heat exchanger.
Oil Return
Details the process and rules for oil return cycles to ensure compressor lubrication.
Low Outdoor Ambient Temperature Protection
Protects the unit from operation in extremely low outdoor ambient temperatures.
Troubleshooting
Indoor Unit Error Codes
Lists and explains error codes displayed by the indoor unit for malfunction diagnosis.
Outdoor Unit Error Codes
Lists and explains error codes displayed by the outdoor unit for malfunction diagnosis.
Indoor Unit Troubleshooting Flows
Provides step-by-step guides for diagnosing and resolving indoor unit issues.
Outdoor Unit Troubleshooting Flows
Offers detailed procedures for diagnosing and fixing outdoor unit malfunctions.
Main Parts Inspection
Temperature Sensor Checking
Guide on how to measure resistance values of various temperature sensors for testing.
Compressor Checking
Instructions for measuring compressor winding resistance values using a tester.
IPM Continuity Check
Procedure for testing the continuity and resistance of the IPM module.
4-Way Valve Check
Steps to measure voltage and resistance for diagnosing the 4-way valve.
EXV Check
Methods for checking the resistance of the EXV coil for proper functionality.
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