Daikin VRV IV+ RYYQ8U7Y1B Series Installer And User Manual page 171

RYYQ+RYMQ+RXYQ
VRV IV+ heat pump
4P546228-1C – 2021.11
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)
K11R (A1P) Magnetic relay (Y5S)
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)
R300 (A3P, Resistor (current sensor)
A6P)
R1T Thermistor (air)
R3T Thermistor (accumulator)
R4T Thermistor (heat exchanger, liquid pipe)
R5T Thermistor (subcool liquid pipe)
R6T Thermistor (heat exchanger, gas pipe)
R7T Thermistor (heat exchanger, de-icer)
R8T, R9T Thermistor (M1C, M2C body)
R21T, R22T Thermistor (M1C, M2C discharge)
S1NPH Pressure sensor (high)
S1NPL Pressure sensor (low)
S1PH, S2PH Pressure switch (discharge)
SEG1~SEG3 7-segment display
(A1P)
T1A Current sensor
V1D (A3P) Diode
V1R (A3P, A4P, Power module
A6P, A7P)
25 Technical data
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Installer and user reference guide
171