How to install central air conditioning
Central air conditioning is a comfortable tool for modern homes and commercial places. Its installation process directly affects the use effect and lifespan. The following is a summary of key points on central air conditioning installation that have been hot topics on the Internet in the past 10 days, combined with structured data to provide you with a practical guide.
1. Preparations before installation of central air conditioning
| Project | Specific requirements |
|---|---|
| House type assessment | Measure the house area, floor height, and orientation |
| Model selection | Choose the number of pieces according to the area (1 piece≈10-15㎡) |
| Installation location | The distance between the outdoor unit and the wall should be ≥50cm, and the indoor unit should avoid direct blowing areas. |
| Circuit check | Confirm that the voltage is stable (220V±10%) |
2. Detailed explanation of the installation process
1.Positioning and punching: Determine the direction of the pipeline according to the design drawings, use a laser level to locate it, and avoid load-bearing structures when drilling.
2.Bracket installation: The outdoor unit bracket should be made of 304 stainless steel, the expansion bolt fixing depth should be ≥8cm, and the level error should be ≤3mm.
| Installation parts | technical standards |
|---|---|
| Copper pipe welding | Nitrogen-filled protective welding, pressure test ≥4MPa |
| drain pipe | 1% slope, trap design |
| Circuit connection | Special circuit breaker, wire diameter ≥2.5mm² |
3. Answers to recent hot questions
According to the Baidu Index, the search volume for "Central Air Conditioning Installation Precautions" has increased by 23% in the past 10 days. The main concerns are as follows:
| High frequency problem | Professional solutions |
|---|---|
| Noise control | Shock-absorbing pad + rubber buffer layer, the distance between the outdoor unit and the bedroom is ≥3 meters |
| Energy saving tips | The host is installed facing north and equipped with an intelligent temperature control system |
| Cleaning and maintenance | Clean the filter every month and perform professional in-depth maintenance every year |
4. Acceptance standards and after-sales guarantee
1.System check: The operating pressure is 1.5-2.5MPa and the temperature difference is 8-12°C.
2.Warranty service: Mainstream brands provide a 6-year compressor warranty, and the installation project warranty usually starts at 2 years.
| Acceptance items | Qualification standards |
|---|---|
| cooling effect | The air outlet temperature is ≤15℃ for 15 minutes after turning on the machine. |
| Drainage test | No water leakage after 1 hour of continuous operation |
| Noise detection | Indoor unit ≤45dB, outdoor unit ≤60dB |
5. New installation trends in 2023
1.Intelligent installation: 70% of newly installed users choose APP remote control system.
2.health upgrade: The installation volume of UV sterilization modules increased by 40% year-on-year.
3.Green installation: The usage rate of R32 environmentally friendly refrigerant has reached 85% of the industry standard.
It is recommended that consumers choose formal companies with "Mechanical and Electrical Equipment Installation Qualifications" and keep complete installation acceptance documents to ensure complete after-sales service. A professional installation team can usually complete a standard installation of three bedrooms and two living rooms within 6-8 hours.
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