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14 Technical data
14.3
Functional diagrams
14.3.1 Functional diagram: Indoor unit
a
b
c
d
x
R1T
w
v
R3T
R4T
u
t
s
r
q
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 (field installation)
k Shut-off valve water inlet with fill valve (field installation)
l Filter
m Heat exchanger (indoor unit)
n Heat exchanger (domestic hot water tank)
o Domestic hot water tank
p Domestic hot water in
q Domestic hot water out
R1T Outlet water heat exchanger thermistor
R2T Outlet water backup heater thermistor
R3T Refrigerant liquid side thermistor
R4T Inlet water thermistor
R5T Tank temperature thermistor
Heating
Cooling
Installer reference guide
65
e
f
g
h
R2T
R5T
p o
n m
l
k
i
j
EHVH/X16
Daikin Altherma - Low Temperature Split
4P313777-1 – 2012.05
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