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14 Technical data
Installer reference guide
88
ERHQ+ERLQ011~016 + 16CBV
Daikin Altherma – Low temperature split
4P449970-1 – 2016.06
14.3
Piping diagram: Indoor unit
3D105880-1
R1T
R4T
R3T
a2
d
d
C
C
A
B
g
h
j
f
e
i
c
a1
b1
b2
A
Water side
B
Refrigerant side
C
Field installed
a1
Space heating water IN
a2
Space heating water OUT
b1
Refrigerant IN
b2
Refrigerant OUT
c
Plate heat exchanger
d
Shut-off valve with drain/fill valve
e
Pump
f
Safety valve
g
Manometer
h
Expansion vessel
i
Flow sensor
j
Filter
R1T
Thermistor (heat exchanger – water OUT)
R3T
Thermistor (liquid refrigerant)
R4T
Thermistor (heat exchanger – water IN)
Screw connection
Flare connection
Quick coupling
Brazed connection