Daikin VRV IV Q+ Series Installer And User Reference Manual page 160

26 | Technical data
Installer and user reference guide
160
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)
F601U, (A3P, Fuse
A6P)
HAP (A*P) Pilot lamp (service monitor is green)
K3R (A3P, A6P) Magnetic relay
K3R (A1P) Magnetic relay (Y4S)
K4R (A1P) Magnetic relay (Y1S)
K5R (A1P) Magnetic relay (Y2S)
K6R (A1P) Magnetic relay (E3H)
K7R (A1P) Magnetic relay (E1HC)
K8R (A1P) Magnetic relay (E2HC)
K9R (A1P) Magnetic relay (Y3S)
L1R, L2R Reactor
M1C, M2C Motor (compressor)
M1F, M2F Motor (fan)
PS (A1P, A3P, Switching power supply
A6P)
Q1DI Earth leakage circuit breaker (field supply)
Q1LD (A1P) Earth current detector (field supply)
R24 (A4P, A7P) Resistor (current sensor)
RXYQQ8~20U7Y1B
VRV IV Q+ series heat pump
4P546229-1A – 2020.10