Mitsubishi Electric MXZ-2DM 40VA Split-type Air Conditioner Installation Manual

Below you will find brief information for Split-type Air Conditioner MXZ-2DM40VA. This manual explains in detail the installation process of the outdoor unit of the {model_label}, including wiring, pipe connection, purging, leak testing, and test running. It also covers the pumping down procedure for relocation or disposal. For indoor unit installation, refer to the separate installation manual provided with it. Ensure to follow the safety instructions and use the correct tools and materials for the installation.

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Mitsubishi Electric MXZ-2DM40VA Installation Manual | Manualzz

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Key features

  • Outdoor unit installation
  • Wiring connections
  • Pipe flaring and connection
  • Purging and leak testing
  • Refrigerant charging
  • Test run
  • Pumping down
  • Safety instructions
  • Tools and materials
  • Installation diagram

Frequently asked questions

The manual provides detailed safety instructions that you should carefully read and follow. These include not installing the unit by yourself, using proper protective equipment, securing the unit to a load-bearing location, ensuring proper electrical wiring, and avoiding the installation of the unit in places where flammable gas could leak. The manual also emphasizes the need to use only specified refrigerants and tools to avoid injury or damage to the unit.

The manual lists the required tools for installing the outdoor unit. These include a Phillips screwdriver, flare tool for R410A, level, gauge manifold for R410A, scale, vacuum pump for R410A, utility knife or scissors, charge hose for R410A, torque wrench, pipe cutter with reamer, wrench (or spanner), and a 4 mm hexagonal wrench.

The manual provides step-by-step instructions on connecting the indoor and outdoor units. It outlines the process of connecting the wires, securing them to the terminal block, and using the cable clamps. It also emphasizes the importance of using the specified wires and correctly attaching them to the terminals.

The manual provides guidance on charging the refrigerant system. It involves connecting a gas cylinder to the service port, performing an air purge of the pipe, and replenishing the specified amount of refrigerant while operating the air conditioner for cooling. It is essential to charge the system with liquid refrigerant and ensure the refrigerant is added slowly to avoid damaging the compressor.

The manual provides a detailed procedure for pumping down the system. It involves turning off the breaker, connecting a gauge manifold valve, closing the stop valve on the liquid pipe side, turning on the breaker, starting the emergency COOL operation on all indoor units, monitoring the pressure gauge, and fully closing the stop valve on the gas pipe side when the pressure gauge shows 0.05 to 0 MPa. Finally, turn off the breaker, remove the pressure gauge, and remove the refrigerant piping.
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