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Installation
CAUTION
• Make sure that the wall can support the weights of the
rack and the outdoor unit.
• Install the rack close to the column as much as possible.
• When installing an air guide duct, be sure to check the
following:
– The screws do not damage the copper pipe.
– The air guide duct is fixed firmly on the guard fan.
Connecting the power cables,
communication cable, and controllers
You must connect the following three electrical cables to
the outdoor unit:
• The main power cable between the auxiliary circuit
breaker and the outdoor unit.
• The outdoor-to-indoor power cable between the
outdoor unit and the indoor unit.
• The communication cable between the outdoor unit
and the indoor unit.
CAUTION
• During installation, make first the refrigerant
connections and then the electrical connections. If the
unit is being removed, first disconnect the electrical
cables and then the refrigerant connections.
• Connect the air conditioner to the earthing system
before making the electrical connections.
Connecting wire conduits
When connecting cables between the indoor unit and the
outdoor unit, use conduits to protect the cables.
1 Drill holes on the conduit plate in accordance with
their use and quantity.
• AC
BXADCH
– Drill conduit holes on the side cabinet. (knock
out holes)
• AC018BXADCH
– Drill conduit holes on the side cabinet. (knock
out holes)
Conduit Holes
Conduit Holes
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