Outdoor Units
11. Installation
Connecting the power cables and communication cables.
You must connect the following two sets of electrical cables to the outdoor unit:
• The main power cables between the circuit breaker and the outdoor unit.
• The communication cables between the outdoor unit and ACU(AHU Control Unit) kit.
CAUTION
• During installation, rst make the refrigerant connections and then the electrical connections. If the unit
is being removed, rst disconnect the electrical cables and then the refrigerant connections.
• Connect the air conditioner to ground 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.
− Use a nipper to remove conduit holes from the lower part of the cabinet.
(Do not remove it by hammering.)
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