Daikin VRV IV+ RYYQ8U7Y1B Series Installer And User Manual page 169

RYYQ+RYMQ+RXYQ
VRV IV+ heat pump
4P546228-1C – 2021.11
E1HC Crankcase heater
E3H Drain pan heater (option)
F1U, F2U (A1P) Fuse (T 3.15 A / 250 V)
F3U Field fuse
F101U (A4P) Fuse
F401U, F403U Fuse
(A2P)
F601U, (A3P) Fuse
HAP (A*P) Pilot lamp (service monitor is green)
K3R (A3P) Magnetic relay
K4R (A1P) Magnetic relay (Y1S)
K5R (A1P) Magnetic relay (Y2S)
K6R (A1P) Magnetic relay (E3H)
K7R (A1P) Magnetic relay (E1HC)
K9R (A1P) Magnetic relay (Y3S)
K11R (A1P) Magnetic relay (Y5S)
L1R Reactor
M1C Motor (compressor)
M1F Motor (fan)
PS (A1P, A3P) Switching power supply
Q1DI Earth leakage circuit breaker (field supply)
Q1LD (A1P) Earth current detector (field supply)
R24 (A4P) Resistor (current sensor)
R300 (A3P) Resistor (current sensor)
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 Thermistor (M1C body)
R21T Thermistor (M1C discharge)
S1NPH Pressure sensor (high)
S1NPL Pressure sensor (low)
S1PH Pressure switch (discharge)
SEG1~SEG3 7-segment display
(A1P)
T1A Current sensor
25 Technical data
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Installer and user reference guide
169