Daikin VRV IV+ RYYQ8U7Y1B Series Installer And User Manual page 170

25 | Technical data
Installer and user reference guide
170
V1D (A3P) Diode
V1R (A3P, A4P) Power module
X*A Connector
X1M (A1P) Terminal block (control)
X1M (A5P) Terminal block (power supply)(option)
Y1E Electronic expansion valve (main)
Y2E Electronic expansion valve (sub‑cool)
Y3E Electronic expansion valve (liquid cooling)
Y4E Electronic expansion valve (storage vessel)
Y1S Solenoid valve (main)
Y2S Solenoid valve (accumulator oil return)
Y3S Solenoid valve (oil 1)
Y5S Solenoid valve (subcool)
Z*C Noise filter (ferrite core)
Z*F (A2P, A5P) Noise filter (with surge absorber)
Connectors for optional accessories:
X10A Connector (drainpan heater)
X37A Connector (power adapter)
X66A Connector (remote switching COOL/HEAT selector)
Legend for wiring diagram 14~20 HP:
A1P Printed circuit board (main)
A2P, A5P Printed circuit board (noise filter)
A3P, A6P Printed circuit board (inverter)
A4P, A7P Printed circuit board (fan)
A8P Printed circuit board (ABC I/P) (option)
BS1~BS3 (A1P) Push button switch (MODE, SET, RETURN)
C* (A3P, A6P) Capacitor
DS1 , DS2 DIP switch
(A1P)
E1HC Crankcase heater
E3H Drain pan heater (option)
F1U, F2U (A1P) Fuse (T 3.15 A / 250 V)
F3U Field fuse
F101U (A4P, Fuse
A7P)
F401U, F403U Fuse
(A2P, A5P)
RYYQ+RYMQ+RXYQ
VRV IV+ heat pump
4P546228-1C – 2021.11