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Installation Procedure
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)
• AJ052RCJ3EG/AJ068RCJ3EG/AJ080RCJ4EG
Accessories (Transmitter: MIM-B13D/ MIM-N01)
Transmitter
Transmitter
MAIN
SUB
R2 R1 R2 R1
R2 R1 R2 R1
R1 R2
R1 R2
R1 R2
R1 R2
R1 R2
R1 R2
1.
Turn the power off and take off the cover of the outdoor units.
2.
Fix the case with bolts to the side of the control box referring to the figure
on the right side.
In case of FJM outdoor unit, there is not enough space to fix all parts of
transmitter. So you may use transmitter main PCB.
3.
Attach the transmitter main PCB to the case, then connect F1/F2 lines,
R1/R2 lines which are upper controller communication cables and DC 12V
power cables to the interface module referring to the figure on page 15.
(Upper controller power should be off.)
4.
You must check the position of dip switch on the transmitter's main PCB
and the main PCB of AJ***RBLDEG/AJ***RBMDEG/AJ***RBJDEG indoor
units. For AR**/AJ***RB1DEG/AJ***RBNDEG indoor units, refer to page
34.
5.
Assemble a cover of the outdoor unit and turn the power on.
6.
Check the communication status.
7.
If you install a transmitter to the outdoor unit, every indoor unit which is
connected to the outdoor unit can be controlled simultaneously.
8. Each outdoor unit connected to the same centralized controller has its
own transmitter.
14
English
485
DC Power
Communication
Cable
R2 R1 R2 R1
R2 R1 R2 R1
R2 R1 R2 R1
R2 R1 R2 R1
R2 R1 R2 R1
R2 R1 R2 R1
R1 R2
R1 R2
DC Power
Communication
Cable
Cable
(12V)
(5V)
Cable Tie
Cable
Transmitter
Fix the case with hinges
(Control Box in the outdoor unit)
Case
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