08 + ERLQ004~008
Daikin Altherma - Low Temperature Split
4P313774-1 – 2012.05
Installer reference guide
76
15 Technical data
15.4
Functional diagrams
15.4.1 Functional diagram: Outdoor unit
15.4.2 Functional diagram: Indoor unit
l
Terminal block X1M (to outdoor unit)
m
Cable tie mountings
n
Digital I/O PCB A4P (only for installations with solar kit or digital
I/O PCB kit)
o
Demand PCB for power limitation
p
Terminal block X5M (low voltage)
q
Socket X13A, receives the K3M connector. (Only for installations
with domestic hot water tank)
r
Main PCB A1P
s
Socket X9A, receives the thermistor connector. (Only for
installations with domestic hot water tank)
t
PCB fuse FU1
a
Heat exchanger thermistor
b
Fan motor
c
Heat exchanger
d
Air thermistor
e
Filter
f
Electronic expansion valve
g
Liquid stop valve
h
Gas stop valve with service port
i
Accumulator
j
High pressure switch
k
Compressor
l
Discharge thermistor
m
Pressure sensor
n
4-way valve (ON=heating)
Heating
Cooling
M
a
c
b d
e
f
e
g
n
l
k
i
h
m
j
a
Outdoor unit
b
Indoor unit
c
Expansion vessel
d
Manometer
e
Air purge valve
f
Pressure relief valve
g
Backup heater
h
Pump
i
Flow sensor
j
Shut-off valve water outlet with drain and fill valve (field
installation)
k
Shut-off valve water inlet with drain valve (field installation)
l
Filter
m
Heat exchanger
R1T
Outlet water heat exchanger thermistor
R2T
Outlet water backup heater thermistor
R3T
Refrigerant liquid side thermistor
R4T
Inlet water thermistor
Heating
Cooling
R4T
R3T
R2T
R1T
m
h
c
k
l
f
e
i
a
b
j
g
d
Содержание EHBH04CA
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