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INSTALLATION
17
ENGLISH
Wiring Connection
Connect the wires to the terminals on the control board individually according to the outdoor unit
connection.
- Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of
HR Unit respectively.
Terminal Block
HR Unit
Master Outdoor UnitHR Unit
L(L1) N(L2)
Terminal Block
HR Unit
AB
HR UNIT POWER SUPPLY
COMMUNICATION LINE
(HRU-ODU)
SODU. B SODU. A IDU. B IDU. A CEN. B CEN. A DRY1 DRY2 GND 12V
Lock nut
Conduit
L(L1) N(L2)
Power Supply
High Voltage
(208/230V)
AB
Communi
-cation
WARNING
Loose wiring may cause the terminal to overheat or result in unit malfunction.
A fire hazard may also exist.
Therefore, be sure all wiring is tightly connected.
!
WARNING
Make sure that the screws of the terminal are free from looseness.
!
1,MFL32987321,영영 2018. 5. 16. 영영 5:47 Page 17
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