Samsung AF HV Series User & Installation Manual page 45

Connecting the wires
AF30HV Series
Product uses single phase, 220 -240 V power supply.
When connecting indoor and outdoor unit connection cable, make sure to match the numbers (or letters) on outdoor
unit side to indoor unit side. Make sure to connect the indoor and outdoor unit communication cable to the connector
within the electrical component box of each unit.
(incorrect connection of the indoor and outdoor unit connection cables may cause malfunction of the product.)
When you connect connection and power cable of the indoor and outdoor unit, make sure that they don't touch
the service valve on the refrigerant pipe (gas side) or the pipes without the insulator. Fix the indoor and outdoor unit
connection cable to the insulated pipes.
If the wiring standard is not complied, there is a risk of a fire.
When you install the circuit breaker, make sure to fix it firmly within the electrical component box.
AF50HV Series
Product uses 3 phase 4 wires 380 - 415 V power supply.
When connecting indoor and outdoor unit connection cable, make sure to match the numbers (or letters) on outdoor
unit side to indoor unit side. Make sure to connect the indoor and outdoor unit communication cable to the connector
within the electrical component box of each unit.
(incorrect connection of the indoor and outdoor unit connection cables may cause malfunction of the product.)
When you connect connection and power cable of the indoor and outdoor unit, make sure that they don't touch
the service valve on the refrigerant pipe (gas side) or the pipes without the insulator. Fix the indoor and outdoor unit
connection cable to the insulated pipes.
If the wiring standard is not complied, there is a risk of a fire.
When you install the circuit breaker, make sure to fix it firmly within the electrical component box.
Make sure to install 3 phase 4 wires type circuit breaker.
When using the power (R, S, T, N) with the NFB (Overcurrent breaker), make sure to connect the power cable (R, S, T, N) to
the R, S, T, N terminal in the outdoor unit's electrical part.
ENGLISH-45