Samsung Max Heat DVM S2 Technical Data Book page 70

10. Installation
Electrical wiring work
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
– o not o erate the outdoor unit before com leting the refrigerant i e work
– o not disconnect or change the cable inside the roduct t ma cause damage to the roduct
– ecification of the ower cable is selected based on following installation condition cul ert installation
ambient tem erature
lease consult an electrical installation e ert and re select the ower cable
– f the length of ower cable e ceed
– se a ower cable made out of incombustible material for the insulator inner co er and the sheath outer
co er
– o not use the ower cable with the core wire e osed due to insulator damage occurred during remo al of
the sheath hen the core wire is e osed it ma cause fire
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• Main power and the ground cable must be withdrawn through the knock-out hole on the bottom-right or right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.
Communication
cable
Power • ground
cable
C single multi conductor cables f the condition is different from the ones stated
m re select the ower cable considering the oltage dro
Exposed wire core
<The example of exposed core wire>
Main unit
ELCB
or
MCCB+
ELB
Ground cable
Communication
cable between
Power cable outdoor units
Insulator (inner cover)
Sheath (outer cover)
Sub unit
ELCB
or
MCCB+
ELB
Ground cable
Communication
cable between
Power cable outdoor units
Sub unit
ELCB
or
MCCB+
ELB
Protection
tube
Ground cable
Power cable