Certificate in Split Air-Conditioning Installation

The Certificate in Split Air-Conditioning Installation is designed to provide learners with practical knowledge and technical skills required for the planning, preparation, installation, testing, commissioning, and basic maintenance of split air-conditioning systems used in residential, commercial, and light-service environments.

The program introduces split air-conditioning system components and installation requirements, including indoor and outdoor units, mounting brackets, refrigerant piping, condensate drainage, electrical connections, communication wiring, insulation, supports, controls, and associated accessories. Learners will develop practical skills in site assessment, equipment positioning, measurement, pipe cutting, bending, flaring, cable installation, drain routing, and system connection.

The course emphasizes correct installation practices, equipment levelling, refrigerant-line preparation, pressure and leak testing, vacuum evacuation, basic refrigerant charging awareness, electrical testing, condensate drainage, commissioning, temperature and performance checks, and final inspection. Special attention is given to safe handling of tools and refrigerants, electrical safety, working at height, drilling and mounting practices, and professional installation standards.

Skills Covered

• Fundamentals of split air-conditioning systems

• Split AC system types and applications

• Wall-mounted split systems

• Floor and ceiling split systems

• Inverter and fixed-speed split systems

• Indoor and outdoor unit components

• Compressor and condenser systems

• Evaporator coil and fan systems

• Expansion devices and metering systems

• Refrigeration cycle fundamentals

• Refrigerant types and basic properties

• HVAC installation tools and equipment

• Installation drawings and manufacturer instructions

• Site survey and installation assessment

• Cooling requirement awareness

• Indoor unit location selection

• Outdoor unit location selection

• Mounting surface assessment

• Equipment accessibility and service clearance

• Wall bracket installation

• Outdoor unit support and mounting

• Equipment levelling and alignment

• Core drilling and wall penetrations

• Refrigerant pipe selection

• Copper pipe cutting

• Pipe deburring

• Pipe bending

• Flaring techniques

• Refrigerant pipe joining awareness

• Refrigerant piping routing

• Suction and liquid-line identification

• Piping support and clamping

• Pipe insulation installation

• Vapour barrier and insulation sealing

• Refrigerant piping length considerations

• Condensate drain installation

• Drain slope and routing

• Drain trap awareness

• Drain testing

• Electrical power supply requirements

• Circuit protection and isolators

• Electrical cable selection awareness

• Power and control wiring

• Communication wiring

• Earthing and grounding

• Electrical terminal connections

• Wiring diagram interpretation

• Thermostat and remote-control setup

• Control and communication checks

• Pressure testing

• Leak testing

• Nitrogen pressure-testing awareness

• Vacuum evacuation

• Vacuum pump operation

• Micron and vacuum measurement awareness

• Refrigerant charging awareness

• Refrigerant line preparation

• System start-up

• System shutdown

• Cooling performance checks

• Temperature measurement

• Airflow checks

• Condensate drainage verification

• Compressor operation checks

• Outdoor unit airflow requirements

• Indoor unit airflow and clearance

• Filter inspection

• Coil inspection and cleaning

• Basic split AC preventive maintenance

• Installation defect identification

• Refrigerant leakage awareness

• Poor cooling diagnosis

• Drainage problems

• Electrical fault awareness

• Noise and vibration issues

• Installation quality inspection

• Commissioning procedures

• Installation documentation

• Service and handover records

• Material handling and storage

• Safe drilling and mounting practices

• Electrical safety

• Refrigerant and pressure safety

• Working-at-height safety

• Personal protective equipment

• Hot-work awareness

• Environmental refrigerant practices

• Site housekeeping and professional installation practices

Why Join This Program?

• Develop practical skills in professional split air-conditioning installation.

• Understand the complete installation process from site assessment to final commissioning.

• Learn how indoor and outdoor split AC units work together.

• Develop skills in selecting suitable installation locations and mounting arrangements.

• Learn professional techniques for copper pipe cutting, deburring, bending, and flaring.

• Understand correct refrigerant piping routing and insulation practices.

• Develop practical skills in condensate drain installation and testing.

• Learn how to install and connect electrical power, control, and communication wiring.

• Understand basic circuit protection, isolation, and earthing requirements.

• Learn pressure testing, leak detection, and vacuum evacuation procedures.

• Develop awareness of refrigerant charging and system preparation requirements.

• Learn how to start, test, and commission split air-conditioning systems.

• Develop skills in checking temperature, airflow, drainage, and basic operating performance.

• Understand common installation defects and their effect on system performance.

• Learn basic inspection and preventive maintenance requirements after installation.

• Develop safe working practices for drilling, mounting, electrical work, refrigerant handling, and elevated access.

• Improve material handling, documentation, and professional handover practices.

• Prepare for practical responsibilities in HVAC installation, building maintenance, residential air-conditioning, and technical service operations.

Course Objective

The objective of the Certificate in Split Air-Conditioning Installation is to develop practical and technical competence in the planning, installation, connection, testing, commissioning, and basic maintenance of split air-conditioning systems. The program aims to equip learners with the ability to assess installation locations, mount indoor and outdoor units, install refrigerant piping and insulation, establish condensate drainage, complete electrical and control connections, carry out pressure and leak testing, perform system evacuation and basic charging procedures, verify system operation, identify installation defects, and complete installation work safely and professionally.

Learning Outcomes

Upon successful completion of the program, learners will be able to:

• Explain the fundamental principles of split air-conditioning systems.

• Describe the basic refrigeration cycle used in split AC equipment.

• Identify common types of split air-conditioning systems.

• Identify major indoor and outdoor unit components and explain their functions.

• Identify compressors, condenser coils, evaporator coils, fans, expansion devices, and associated components.

• Identify common refrigerants used in split AC systems.

• Identify common split AC installation tools and equipment.

• Read basic installation drawings, piping diagrams, wiring diagrams, and manufacturer instructions.

• Conduct a basic site survey before installation.

• Assess installation locations for indoor and outdoor units.

• Check wall, floor, roof, or support surfaces for suitability.

• Consider service access, airflow clearance, drainage, and piping routes during installation planning.

• Select suitable mounting arrangements for indoor and outdoor units.

• Install indoor-unit mounting plates and supports correctly.

• Install outdoor-unit brackets, stands, and supports using appropriate methods.

• Establish correct equipment level, alignment, and stability.

• Perform basic wall penetrations and prepare suitable openings for refrigerant and drain piping.

• Select appropriate refrigerant piping for the installation.

• Measure and cut copper refrigerant pipes accurately.

• Deburr and prepare refrigerant pipe ends correctly.

• Bend copper pipes without causing unacceptable deformation.

• Perform basic flaring operations correctly.

• Route refrigerant piping neatly and securely.

• Identify suction and liquid refrigerant lines.

• Install appropriate pipe supports, clamps, and protective measures.

• Install refrigerant pipe insulation correctly.

• Seal insulation joints and vapour barriers to reduce condensation and heat gain.

• Understand basic refrigerant piping length and installation limitations.

• Plan and install condensate drain piping with appropriate slope.

• Test condensate drainage for proper flow and leakage.

• Understand basic drain-trap and drain-termination requirements where applicable.

• Identify suitable electrical power and circuit-protection requirements.

• Install or connect electrical supply wiring according to approved procedures.

• Connect control and communication wiring appropriately.

• Complete basic earthing and grounding connections.

• Identify terminals and electrical connection points using wiring diagrams.

• Configure basic remote-control and thermostat functions.

• Check control and communication operation between indoor and outdoor units.

• Inspect electrical connections before energizing equipment.

• Carry out basic pressure-testing procedures using approved methods.

• Conduct basic refrigerant leak testing.

• Understand the purpose of nitrogen or another approved inert gas for applicable pressure-testing procedures.

• Carry out basic vacuum evacuation procedures using appropriate equipment.

• Understand the importance of achieving suitable system evacuation before operation.

• Understand refrigerant charging requirements and charging by approved methods.

• Check refrigerant-system connections before commissioning.

• Perform basic system start-up procedures.

• Perform basic system shutdown procedures.

• Measure supply and return or room-air temperatures where applicable.

• Check indoor and outdoor airflow conditions.

• Verify condensate drainage during operation.

• Observe compressor, fan, and system operating conditions.

• Identify abnormal noise, vibration, and operating behaviour.

• Identify basic causes of poor cooling following installation.

• Recognize basic refrigerant leakage and undercharge symptoms.

• Recognize drainage and condensate-related installation problems.

• Identify basic electrical connection and control faults.

• Inspect indoor and outdoor units for correct installation and clearances.

• Check pipe insulation, supports, connections, and penetrations.

• Conduct basic installation quality inspections.

• Complete commissioning checks and record operating information.

• Prepare basic installation, testing, and handover documentation.

• Explain basic post-installation preventive maintenance requirements.

• Inspect and clean filters as part of routine maintenance.

• Perform basic visual inspection of coils and accessible components.

• Handle refrigerant piping, tools, electrical components, and installation materials safely.

• Apply appropriate electrical isolation and safety procedures.

• Follow safe working-at-height practices during elevated installation activities.

• Apply appropriate pressure and refrigerant safety procedures.

• Use suitable PPE during installation and commissioning.

• Apply safe drilling, mounting, lifting, and material-handling practices.

• Maintain clean, organized, and safe installation work areas.

• Minimize material waste through accurate measurement and planning.

• Coordinate split AC installation with electrical, civil, plumbing, ceiling, and other building-service activities.

• Complete split air-conditioning installation activities in accordance with approved procedures, drawings, manufacturer requirements, equipment specifications, quality expectations, and workplace safety practices.