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Mitsubishi Electric VRF – CoolMaster Outdoor line connection

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This article applies to the following CoolMaster products:

  • CoolMaster 
  • CoolMasterPro 
  • CoolMasterNet
  • CloudBox

Mitsubishi Electric VRF – Outdoor line connection

Maximum systems per line: 10

Maximum indoor per line: 50

  • Supported device line number: L1, L2
  • No line polarity required
  • Cable type – Follow Mitsubishi's installation instructions
  • Set line type in the CoolMaster device to:  ME
  • Set dip switch according to the drawing
  • Follow Mitsubishi's instruction on how to address the units
  • Each Outdoor and Indoor must be set with unique address
  • Follow ME instruction on how to address the units
  • To provide 30VDC voltage to the TB7 line move the jumper from CN41 to CN40 in only one of the outdoor units

 

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