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www.coolautomation.com
CooLinkHub PRM 1.0
© 2017 CoolAutomation
LAYOUT
4
PBUS 2
PBUS 2(-) Terminal
5
MOD A
Modbus A(+) Terminal
6
MOD B
Modbus B(-) Terminal
(6) Power Connector
Used to connect 12-24V DC power supply adapter.
(7) ETH Connector
RJ45 connector for ETH network.
(8) Mini USB Device Connector
Used to connect CooLinkHub to PC USB Host for configuration and firmware updates.
(9) LCD
Alphanumeric 8x2 characters LCD screen.
3.1
LCD Screen
CooLinkHub is equipped with an alphanumeric 8x2 characters LCD that presents most of the important
device parametric and status information.
(1) ETH network connection status
Disconnected, Connected
(2) CoolRmote cloud connection status
Not connected, Connected, Connected, communication in
progress
(3) HVAC line communication status
RX, TX
(4) Every one minute IP address (if acquired) and S/N are
displayed
(5) Indoor unit UID (L2.001 on this picture)
(6) Indoor unit status
ON, OFF
(7) Set temperature
(8) Fan speed
High, Medium, Low, Auto
(9) Operation mode
CL - Cool, HT - Heat, FA - Fan, DR - Dry, AU - Auto