Daikin RDXYQ5T8V1B Installer And User Manual page 133

RKXYQ5T8+8T7Y1B + RDXYQ5T8+8T7V1B
VRV IV heat pump for indoor installation
4P499898-1B – 2021.12
M1C Compressor
M1F, M2F Fan motor
R1T (A) Thermistor (air)
R2T (A) Thermistor (gas)
R3T (A) Thermistor (coil)
R2T (B) Thermistor (discharge)
R3T (B) Thermistor (suction accumulator)
R4T (B) Thermistor (subcool heat exchanger gas)
R5T (B) Thermistor (suction compressor)
R7T (B) Thermistor (liquid)
S1NPH High pressure sensor
S1NPL Low pressure sensor
S1PH High pressure switch
Y1E, Y3E Electronic expansion valve
Y1S Solenoid valve (4‑way valve)
Heating
Cooling
8 HP
M3F
R3T
R2T
f
a
b
f
c
f
d
e
f i
A Heat exchanger unit
B Compressor unit
a Stop valve (gas) (circuit 2: to indoor units)
b Stop valve (liquid) (circuit 2: to indoor units)
c Stop valve (liquid) (circuit 1: to heat exchanger unit)
d Stop valve (gas) (circuit 1: to heat exchanger unit)
e Service port (refrigerant charge)
f Filter
g Subcool heat exchanger
h Pressure regulating valve
i Capillary tube
j Accumulator
k Oil separator
l Heat exchanger
M1C Compressor
M1F~M3F Fan motor
R1T (A) Thermistor (air)
R2T (A) Thermistor (gas)
A
M2F M1F
R1T
Y1E
l
f
Y1S
R5T
R3T S1NPH
R6T
g
Y2E
S1PH
h
S1NPL
R7T
j
24 Technical data
|
B
k
f
i
R21T
M1C
3D104510-1
Installer and user reference guide
133