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14 Technical data
Installer reference guide
92
ERHQ+ERLQ011~016 + EHBH/X11+16CB
Daikin Altherma – Low temperature split
4P384974-1 – 2015.01
14.4
Components
14.4.1
Components: Outdoor unit
ERHQ_V3
d
M1F
M2F
L1R
X1M
c
Y1S
b
S1NPH
S1PH
a
Y1E
M1C
e
a
Heat exchanger (at the back)
b
Internal service port
c
Accumulator
d
Stop valve with service port (gas)
e
Stop valve with service port (liquid)
A1P~A4P
PCBs
C4
Capacitor
HAP
Light emitting diode (service monitor green)
L1R
Reactor coil
M1C
Motor (compressor)
M1F
Motor (upper fan)
M2F
Motor (lower fan)
S1NPH
Pressure sensor
S1PH
High pressure switch
X1M
Terminal (communication and power supply)
Y1E
Electronic expansion valve
Y1S
Solenoid valve (4‑way valve)
ERHQ_W1
b
a
Y1S
S1NPH
S1PH
d
Y1E
Y3S
M1C
e
c
M1F
M2F
a
Heat exchanger (at the back)
b
Internal service port
c
Accumulator
d
Stop valve with service port (gas)
e
Stop valve with service port (liquid)
A1P~A3P
PCBs
HAP
Light emitting diode (service monitor green)
L1R~L4R
Reactor coils
M1C
Motor (compressor)
M1F
Motor (upper fan)
M2F
Motor (lower fan)
S1NPH
Pressure sensor
S1PH
High pressure switch
X1M
Terminal (communication and power supply)
Y1E
Electronic expansion valve
Y1S
Solenoid valve (4‑way valve)
Y3S
Solenoid valve (injection)