28 | Technical data
Installer and user reference guide
159
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1 – 2020.01
SFB Mechanical ventilation error input (field supply)
V*D Diode module
V1R, V2R (A1P) IGBT power module
V3R (A1P) Diode module
X*A PCB connector
X*M Terminal strip
X*Y Connector
Y1E Electronic expansion valve (main – EVM1)
Y2E Electronic expansion valve (EVT)
Y3E Electronic expansion valve (main – EVM2)
Y4E Electronic expansion valve (EVL)
Y5E Electronic expansion valve (EVSL)
Y6E Electronic expansion valve (EVSG)
Y1S Solenoid valve (4‑way valve)
Y3S Error operation output (SVEO) (field supply)
Y4S Leak sensor output (SVS) (field supply)
Z*C Noise filter (ferrite core)
Z*F (A*P) Noise filter