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General| Category | Air Conditioner |
|---|---|
| Type | Split System |
| Cooling Capacity (kW) | 8.0 |
| Heating Capacity (kW) | 9.0 |
| Power Supply | 220-240 V, 50 Hz |
| Energy Efficiency Ratio (EER) | 3.21 |
| Coefficient of Performance (COP) | 3.61 |
| Refrigerant | R410A |
| Indoor Unit Weight | 15 kg |
| Outdoor Unit Noise Level | 52 dB(A) |
Technical specifications for specific outdoor unit models, covering appearance, power, compressor, and refrigerant.
Details on piping lengths, height differences, and unit dimensions for models.
Technical specifications for larger outdoor unit models, including fan and pipe details.
Detailed external dimensions and mounting points for the SM561AT-E outdoor unit.
Recommended clearance for installation and maintenance access.
Detailed external dimensions and mounting points for the SM801AT-E outdoor unit.
External dimensions and features for larger SM1101AT-E and SM1401AT-E units.
Details on mounting holes and service clearance for larger units.
Diagram illustrating major components and refrigerant flow in the system.
Pressure and temperature data for SM561AT-E under various conditions.
Diagram showing components and refrigerant flow for SM801AT-E.
Operating data for SM801AT-E under different cooling and heating modes.
Diagrams for larger models illustrating system components and flow.
Performance data for larger models in cooling and heating modes.
Electrical schematic detailing wiring for smaller outdoor units.
Electrical schematic detailing wiring for larger outdoor units.
List of electrical components and their specifications for smaller models.
List of electrical components and their specifications for larger models.
Crucial safety precautions for working with R410A refrigerant.
Guidelines on copper pipes and joints suitable for R410A.
Required thicknesses for annealed copper pipes used with R410A.
Specifications for socket joints and pipe material processing.
Dimensions for flare processing specific to R410A refrigerant.
Comparison dimensions for R22 flare processing.
Dimensions for flare nuts and pipe ends for R410A.
Dimensions for flare nuts and pipe ends for R22 refrigerant.
Proper sealing techniques and torque specifications for flare connections.
List of essential R410A-specific tools and their interchangeability.
Commonly used tools applicable to both R410A and R22 refrigerants.
Detailed step-by-step guide for recharging refrigerant into the system.
Diagram illustrating the setup for charging refrigerant.
Instructions for charging R410A as liquid refrigerant for proper composition.
Types of brazing fillers suitable for joining refrigerant pipes.
Properties and types of flux required for effective brazing.
Techniques for brazing using nitrogen flow to prevent interior oxidation.
Identification of components on the outdoor unit's main PCB.
Key sensors and connectors on the outdoor unit's P.C. board.
Component layout of the IPDU module in the outdoor unit.
Component layout of the CDB module in the outdoor unit.
How the PMV regulates refrigerant flow based on temperature differences.
Mechanism to prevent overheating by adjusting operation frequency.
How fan speed is adjusted during cooling operation based on sensors.
Tables showing fan tap revolutions and operating ranges.
Fan speed control logic during heating operation.
Compressor pre-heating function to prevent oil slugging.
Control to prevent frequent compressor start/stop cycles.
Controls to prevent damage from high pressure or over-current.
Adjusting current limits based on outdoor temperature sensor values.
Criteria for initiating and ending defrost cycles.
Steps taken after defrost operation finishes.
Tools needed and initial confirmation points before troubleshooting.
General troubleshooting steps for wired remote controllers.
General troubleshooting steps for wireless remote controllers.
How the indoor unit indicates self-diagnosis errors.
List of indoor unit errors, causes, and remedies.
List of outdoor unit errors, causes, and remedies.
Errors related to communication and controller setup.
How to interpret outdoor unit LED status for error diagnosis.
Correlation between check codes and LED indicators.
Step-by-step guide for specific communication errors.
Diagnostic steps for E04/04, related to outdoor unit operation.
Procedures for various communication and setting errors.
Steps for network and central control communication issues.
Diagnostic steps for fan motor, float switch, and drain pump issues.
Steps to diagnose indoor fan motor issues.
Steps to diagnose outdoor fan motor issues.
Procedures for 4-way valve and TC sensor errors.
Steps for TCJ sensor and inverter over-current protection.
Procedures for IPDU position detection and current sensor errors.
Steps for TE/TS, TD, and TO sensor errors.
Procedures for compressor drive and overload errors.
Steps for discharge temperature and compressor breakdown errors.
Procedures for high-voltage protection and fan/PMV errors.
Steps for central controller communication and network issues.
Procedures for master/sub unit communication and EEPROM errors.
Resistance vs. temperature curves for TA, TC, TCJ sensors.
Resistance vs. temperature curves for TE, TO, TS sensors.
Resistance vs. temperature curve for TD sensor.
How to activate and use the check display function.
Interpreting the 7-segment and CHECK monitor displays.
Correlation of error codes with causes and judgments.
Continued list of indoor unit errors and their solutions.
Summary of outdoor unit errors and troubleshooting steps.
Procedures for recovering refrigerant during servicing.
Demand control, night operation, and compressor output features.
General precautions and steps for disassembling/assembling units.
Steps to remove the front cabinet of the outdoor unit.
Steps to reattach the front cabinet of the outdoor unit.
Safety steps for discharging capacitors before handling the inverter.
Procedures for replacing the main control circuit board.
Steps to detach and attach the outdoor unit fan motor.
Procedures for removing and installing the compressor.
Steps to remove the reactor component.
Procedures for removing and installing the Pulse Modulating Valve coil.
Steps to remove and install the fan guard.
Initial detachment and attachment steps for larger unit models.
Steps to detach the discharge port cabinet.
Steps to detach the side cabinet.
Procedures for disconnecting and removing the inverter assembly.
Steps to remove and install the cycle control P.C. board.
Procedures for replacing the IPDU P.C. board.
Steps to detach and attach the fan motor on larger units.
Procedures for removing and installing the compressor on larger units.
Steps for handling the PMV coil.
Steps to remove and install the fan guard.
Visual breakdown of outdoor unit parts for SM56/80 models.
Detailed list of components for SM56/80 outdoor units.
Diagram showing breakdown of internal electronic components.
List of internal electronic parts.
Visual breakdown of outdoor unit parts for SM110/140 models.
Detailed list of components for SM110/140 outdoor units.
Further breakdown of internal electronic components.
List of additional internal electronic parts.
