Daikin Altherma ERHQ011-014-016BA - Outdoor Unit Piping Diagram

14 Technical data
Installer reference guide
95
ERHQ+ERLQ011~016 + EHBH/X11+16CB
Daikin Altherma – Low temperature split
4P384974-1 – 2015.01
14.5 Piping diagram
14.5.1 Piping diagram: Outdoor unit
ERHQ_V3
R2T
R4T
R6T
R1T
e
d
g
f
a
c
c
b
e
Y1E
Y1S
M1F-M2F
M1C
E1HC
S1NPH
S1PH
R5T
R3T
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 Accumulator
e Filter
f Heat exchanger
g Internal service port 5/16"
E1HC Crankcase heater
M1C Motor (compressor)
M1F‑M2F Motor (upper and lower fan)
R1T Thermistor (air)
R2T Thermistor (discharge)
R3T Thermistor (suction)
R4T Thermistor (heat exchanger)
R5T Thermistor (heat exchanger middle)
R6T Thermistor (liquid)
S1NPH Pressure sensor
S1PH High pressure switch
Y1E Electronic expansion valve
Y1S Solenoid valve (4‑way valve)
Heating
Cooling
ERHQ_W1
R2T
R3T
R6T
e
d
g
f
h
a
c
c
b
e
Y1E
Y3S
Y1S
M1F-M2F
M1C
E1HC
S1NPH
S1PH
R1T
R4T
R5T
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 Accumulator
e Filter
f Heat exchanger
g Internal service port 5/16"
h Capillary tube
E1HC Crankcase heater
M1C Motor (compressor)
M1F‑M2F Motor (upper and lower fan)
R1T Thermistor (air)
R2T Thermistor (discharge)
R3T Thermistor (suction)
R4T Thermistor (heat exchanger)
R5T Thermistor (heat exchanger middle)
R6T Thermistor (liquid)
S1NPH Pressure sensor
S1PH High pressure switch
Y1E Electronic expansion valve
Y1S Solenoid valve (4‑way valve)
Y3S Solenoid valve (injection)
Heating
Cooling
ERLQ
R2T
R3T
R6T
e
d
g
f
a
c
c
b
e
Y1E
Y3S
Y3E
Y1S
M1F-M2F
M1C
E1HC
S1NPH
S1PH
h
R1T
R4T
R5T
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 Accumulator
e Filter
f Heat exchanger
g Internal service port 5/16"
h Capillary tube
E1HC Crankcase heater
M1C Motor (compressor)
M1F‑M2F Motor (upper and lower fan)
R1T Thermistor (air)
R2T Thermistor (discharge)
R3T Thermistor (suction)
R4T Thermistor (heat exchanger)
R5T Thermistor (heat exchanger middle)
R6T Thermistor (liquid)
S1NPH Pressure sensor
S1PH High pressure switch
Y1E Electronic expansion valve (main)
Y3E Electronic expansion valve (injection)
Y1S Solenoid valve (4‑way valve)
Y3S Solenoid valve (hot gas pass)
Heating
Cooling