Daikin VRV IV Q+ Series Installer And User Reference Manual page 161

RXYQQ8~20U7Y1B
VRV IV Q+ series heat pump
4P546229-1A – 2020.10
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)
X*A Connector
X1M (A1P) Terminal block (control)
X1M (A8P) Terminal block (power supply)(option)
Y1E Electronic expansion valve (main)
Y2E Electronic expansion valve (sub‑cool)
Y3E Electronic expansion valve (liquid cooling)
Y1S Solenoid valve (main)
Y2S Solenoid valve (accumulator oil return)
Y3S Solenoid valve (oil 1)
Y4S Solenoid valve (oil 2)
Z*C Noise filter (ferrite core)
Z*F (A2P) Noise filter (with surge absorber)
Connectors for optional accessories:
X10A Connector (drainpan heater)
X37A Connector (power adapter)
X66A Connector (remote switching COOL/HEAT selector)
26 Technical data
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Installer and user reference guide
161