Daikin VRV IV Series - Page 133

24 | Technical data
Installer and user reference guide
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
Y2E
R21T
M1C
R3T
R5T
R6T
Y1S
S1NPL
S1PH
S1NPH
R7T
c
b
f
g
a
d
f
h
f i
j
e
B
k
f
i
R2T
R3T
R1T
M1FM2F
Y1E
M3F
f
f
l
A
3D104510-1
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)