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Hitachi VRF – CoolMaster Indoor/Outdoor line connection

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This article applies to the following CoolMaster products:

  • CoolMaster * 
  • CoolMasterPro 
  • CoolMasterNet
  • CloudBox

 

Hitachi VRF –Outdoor line connection

Maximum systems per line: 30*

Maximum indoor per line: 160

  • Supported device line number: L1, L2
  • No line polarity required
  • Cable type – Follow Hitachi's installation instructions
  • Set line type in the CoolMaster device to:  HT
  • Set dip switch according to the drawing
  • Follow Hitachi's instruction on how to address the units
  • Each Outdoor and Indoor must be set with unique address
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