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Technical data
Installer and user reference guide
170
RYYQ+RYMQ+RXYQ
VRV IV+ heat pump
4P546228-1C – 2021.11
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
(A1P)
DIP switch
E1HC
Crankcase heater
E3H
Drain pan heater (option)
F1U, F2U (A1P) Fuse (T 3.15 A / 250 V)
F3U
Field fuse
F101U (A4P,
A7P)
Fuse
F401U, F403U
(A2P, A5P)
Fuse
Содержание RYYQ8U7Y1B
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