CoolMaster - HVAC Hitachi VRF installation guide

This article applies to the following CoolMaster products

  • CoolMaster
  • CoolMasterPro 
  • CoolMasterNet
  1. HVAC Communication Terminals
    HVAC outdoor connection
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    * For Heat Recovery systems the connection is at outdoor units only.
    * Polarity is not required on the HVAC communication line.

     

  2. Connecting to the line plug
    Secure the cables in the L1 line plug.

  3. Plugging to the CoolMaster
    Insert the plug in to the CoolMaster L1 socket.

  4. Check DIP Switches are set correctly
    Dip switches setup for VRF HVAC system on L1.

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