Installing a split air conditioning (AC) unit requires careful planning and attention to detail to ensure efficient cooling and long-term performance. Here's a simple guide outlining the basic steps involved in installing a wall-mounted split AC system:
1. Select the Right Location
Choose a spot for the indoor unit that allows proper air circulation and is not exposed to direct sunlight or heat sources. The outdoor unit should be placed on a flat surface with sufficient airflow and minimal dust, ideally in a shaded area.
2. Install the Indoor Unit
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Mount the indoor bracket on the wall using level measurements to ensure alignment.
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Drill a hole (typically 2.5–3 inches) through the wall for refrigerant piping, drain hose, and electrical cables.
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Connect the refrigerant pipes, drain hose, and electrical wires to the unit and pass them through the hole.
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Hang the indoor unit securely on the mounting bracket.
3. Install the Outdoor Unit
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Place the outdoor condenser on a rigid, level base—either a concrete pad or wall bracket.
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Connect the refrigerant lines from the indoor unit, ensuring there are no leaks.
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Attach the electrical connections and drainage line.
4. Vacuum the Lines and Charge the System
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Use a vacuum pump to remove air and moisture from the refrigerant lines.
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Once vacuumed, open the refrigerant valves to release gas into the system.
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Check for any leaks using a soap solution or leak detector.
5. Final Check and Testing
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Turn on the power supply and run the unit in cooling mode.
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Test for proper cooling, airflow, and drainage.
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Ensure the unit operates smoothly and quietly.
Important Notes:
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Always follow the manufacturer's installation manual.
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Use proper tools and safety equipment.
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If you're not experienced, it's strongly recommended to hire a licensed HVAC technician for professional installation.
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