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28
CMN-QIG-V2.0
HVAC Blue Star VRF — on L7
1
HVAC Communication Terminals
Connect to the communication terminals on
the HVAC equipment:
HVAC
outdoor
only
A2
Blue Star
Max. 64 indoor units
B2
2
Connect DVRF Modbus Converter
Secure the cables from Outdoor in RS485
Secure cables in Output 3 / Modbus to
CoolMasterNet.
3
Plugging to the CoolMasterNet
Insert the plug in to the CoolMasterNet L7
socket
4
Check DIP Switches are set correctly
Dip switches setup for VRF HVAC system on L7
BS
Blue Star HVAC Terminal
L7
A B
Output3/MODBUS
RS485 ODU
DVRF MODBUS
Converter
A B
A B
4
3
2
1
Summary of Contents for CoolMasterNet
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