Samsung AF HV Series User & Installation Manual page 57

Trial operation and switch operation specification
Outdoor unit type A: Located in Sub PCB
Key Switch
7-segment display
[Single phase: AF30HV Series]
1. Check the power between the outdoor unit and the cabinet panel.
Single phase power supply: L, N
3 phase power supply: R, S, T, N
R-S, S-T, R-T : 380 V is normal.
❇ If E469 (Error on outdoor unit DC-Link voltage sensor) occurs at the moment compressor starts working with the outdoor
fan on during installation inspection, you must check above 3 phase power. If you cannot measure 3 phase power,
contact electrician to fix the problem.
2. Check the indoor unit.
1) Check for proper connection of the power and communication cable for each indoor units. (Communication cable for
indoor and outdoor unit is F1, F2)
2) Check for proper connection of the connection terminal such as temperature sensor, display etc.
KEY function
KEY
K1 K2
CHECK
MODE
Outdoor unit type B: Located in Main PCB
7-segment display
K3 K4
RESET DISPLAY
MODE
ENGLISH-57
Key Switch
[3 phase: AF50HV Series]
Outdoor unit display
DIS 1
SEG 1 SEG 2
Item number
DIS 2
SEG 3 SEG 4
Displays current data