Samsung AM BXV Series - Power and communication cable configuration

36
Electrical wiring work
English
Installation Procedure
CAUTION
• Caution for electrical work
– You must install ELCB or MCCB + ELB
– ELCB: Earth leakage breaker
– MCCB: Molded case circuit breaker
– ELB: Earth leakage breaker
– Do not operate the outdoor unit before completing the
refrigerant pipe work.
– Do not disconnect or change the cable inside the product. It
may cause damage to the product.
– Specification of the power cable is selected based on
following installation condition; culvert installation/ ambient
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condition is different from the ones stated, please consult an
electrical installation expert and re-select the power cable.
– If the length of power cable exceed 50m (164.04ft),
re-select the power cable considering the voltage drop.
– Use a power cable made out of incombustible material for
the insulator (inner cover) and the sheath (outer cover).
– Do not use the power cable with the core wire exposed
due to insulator damage occurred during removal of the
sheath. When the core wire is exposed, it may cause fire.
Insulator (inner cover)
Exposed wire core
<The example of exposed core wire>
Sheath (outer cover)
Power and communication cable configuration
• Main power and the ground cable must be withdrawn through the knock-out hole on the bottom-right or right side of the cabinet.
• Withdraw the communication cable from the designated knock-out hole on the bottom-right side of the front part.
• Install the power and communication cable using separate cable protection tube.
• Fix a protection tube to the knock-out hole on the outdoor unit by using a CD connector or bushing. Make sure to use insulating
bushing.
Protection
tube
Main unit Sub unit Sub unit
Power cable Power cable Power cable
Communication
cable between
outdoor units
Communication
cable between
outdoor units
ELCB
MCCB+
ELB
or
ELCB
MCCB+
ELB
or
ELCB
MCCB+
ELB
or
Ground cableGround cableGround cable
Communication
cable
Power • ground
cable
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