Most people hire a professional to install a split system air conditioner. However, if you have some experience with plumbing and electrical work, you can install the unit on your own. Each split system or ductless air conditioner is unique to its manufacturer, but this article explains the general instructions for installing a split system air conditioner.
Complete the Split System Air Conditioner Installation.
1. Bleed the air and humidity from the refrigerant circuit.
- Remove the caps from the 2-way and 3-way valves and from the service port.
- Connect a vacuum pump hose to the service port.
- Turn the vacuum on until it reaches an absolute vacuum of 10mm Hg.
- Close the low pressure knob and then turn off the vacuum.
- Test all of the valves and joints for leaks.
- Disconnect the vacuum. Replace the service port and caps.
2. Wrap the joints of the piping with insulating covering and insulating tape.
3. Affix the piping to the wall with clamps.
4. Seal up the hole in the wall using expanding polyurethane foam.
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