Piping Diagram: Outdoor Unit - Daikin LRMEQ3AY1 Installer And User Reference Manual

13.5

Piping diagram: Outdoor unit

Y3E
R7T
d
R5T
c
a
c
b
l
a Field piping (liquid: Ø9.5 flare connection)
b Field piping (gas: Ø15.9 flare connection)
c Stop valve (with service port 5/16")
d Filter (5×)
e Subcool heat exchanger
f Pressure regulating valve
g Heat exchanger
h Service port (high pressure)
i Oil separator
j Capillary tube (3×)
k Service port (refrigerant charge)
l Accumulator
M1C Compressor
M1F-M2F Fan motor
R1T Thermistor (air)
R2T Thermistor (discharge)
R3T Thermistor (suction 1)
R4T Thermistor (subcool heat exchanger)
R5T Thermistor (suction 2)
R6T Thermistor (heat exchanger)
R7T Thermistor (liquid pipe 1)
R8T Thermistor (liquid pipe 2)
S1NPH High pressure sensor
S1NPL Low pressure sensor
S1PH High pressure switch
Y1E Electronic expansion valve (main)
Y3E Electronic expansion valve (subcool heat exchanger)
Y1S 4‑way valve
Y2S Solenoid valve (hot gas)
Y3S Solenoid valve (unloader circuit)
Cooling
LRMEQ3+4AY1
Air-cooled refrigeration condensing unit
4P442131-1 – 2016.03
e
R4T
R3T
Y2S
j
d
R2T
k
M1C
Y1E
d
f
j
d
13 Technical data
R8T
R1T
g
R6T
M1F
M2F
h
Y1S
S1NPH
i
d
j
Y3S
Installer and user reference guide
37