1. Outdoor units of different models have different electric control box layout but the same port
silk screen.
2. The following figure shows the cable routing in bottom cabling mode. In top cabling mode,
you can route cables through the holes shown in the figure.
3. The outdoor cables are sun- and water-proofed. It is recommended that tubes be used for
protection.
4. When the outdoor unit is NetCol500-A120, two indoor units can be connected.
5. The power and signal cables are routed in accordance with the electric and ELV cable routing
specifications and the cable routing plan.
6. The signal cable for the indoor and outdoor units is mandatory when the outdoor unit is
equipped with an intelligent temperature control monitoring board.
Connecting the Outdoor Unit Power Cable and (Optional) the Signal Cable
Between Indoor and Outdoor Units
9.2
15
(1) Equipotential ground position
(2) Equipotential bottom cable hole
(3) Equipotential top cable hole
If the indoor unit BOM number is 52274052, connect the indoor units power cable and
equipotential ground cable as shown in the following figure.
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