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Tightening power terminal
• Connect the cables to the terminal board using the compressed ring terminal.
• Use rated cables only.
• Connect the cables with driver and wrench that can apply the rated torque to the screws.
• Make sure that appropriate tightening torque is applied for cable connection. If the terminal is loose, arc heat may
occur and cause fire and if the terminal is connected too firmly, terminal may get damaged.
Transmitter installation(option)
• AJ040TXJ2KG/AJ050TXJ2KG/AJ052TXJ3KG/AJ068TXJ3KG/AJ080TXJ4KG
PCB MAIN - OUT
Do not connect the power and communication
wires to these terminal blocks
Terminal blocks(R1,R2) for connection with the Upper Controller
(DMS, Touch, On/Off Controller, etc.)
1.
Turn the power off and take off the cover of the outdoor units.
2.
Connect R1/R2 lines which are upper controller communication cables
referring to upper figure .
(Upper controller power should be off.)
3.
Assemble a cover of the outdoor unit and turn the power on.
4.
Check the communication status.
5.
If you install a upper controller to the outdoor unit, every indoor unit which is connected to the outdoor unit can be controlled
simultaneously.
15
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