This article applies to the following CoolMaster products:
- CoolMaster
- CoolMasterPro
- CoolMasterNet
Compatibility
Please note that the article applies also to commissioning the following HVAC brands:
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HVAC Communication Terminals
HVAC outdoor connection
* For Heat Recovery systems the connection is at outdoor units only.
* Polarity is not required on the HVAC communication line.
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Connecting to the line plug
Secure the cables in the L1 line plug.
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Plugging to the CoolMaster
Insert the plug in to the CoolMaster L1 socket.
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Check DIP Switches are set correctly
Dip switches setup for VRF HVAC system on L1.
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The wire to connect the CoolMasterNet to the M1-M2 (also known as the M-NET Interface) is 18AWG, twisted pair, shielded and stranded.
