Daikin Altherma 3 R ECH2O - Other functionalities

10 Technical data
Installation manual
47
EBSH/X(B)11+16P30+50DF
Daikin Altherma 3 R ECH₂O
4P663483-1A – 2021.11
10 Technical data
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10.1 Piping diagram: Indoor unit
M S2
M S1
R1T
R T4
R T2
R T7
A
B
B
e
a2
a1
h
i
k
m
f
g
g
l
l
C
B
B1PW
B L2
3D136151
b2
d1
b1
d2
l
l
l
l
R T5
R T8
R3T
n
c2
c4
c3
c1
D
A Indoor unit
B Field installed
C Optional
D Refrigerant side
a1 Space heating/cooling – Water IN (screw connection, 1")
a2 Space heating/cooling – Water OUT (screw connection, 1")
b1 DHW – Cold water IN (screw connection, 1")
b2 DHW – Hot water OUT (screw connection, 1")
c1 Gas refrigerant IN (heating mode; condenser)
c2 Liquid refrigerant IN (cooling mode; evaporator)
c3 Gas refrigerant OUT (cooling mode; evaporator)
c4 Liquid refrigerant OUT (heating mode; condenser)
d1 Water IN from bivalent heat source (screw connection, 1")
d2 Water OUT to bivalent heat source (screw connection, 1")
e Pump
f Backup heater
g Shut-off valve, female-female 1"
h Expansion vessel
i Drain valve
k Safety valve
l External thread 1"
m External thread 3/4"
n Plate heat exchanger
B2L Flow sensor
B1PW Space heating water pressure sensor
M1S Tank valve
M2S Bypass valve
R1T Thermistor (plate heat exchanger - water OUT)
R2T Thermistor (backup heater – water OUT)
R3T Thermistor (Refrigerant liquid side)
R4T Thermistor (Inlet water)
R5T, R8T Thermistor (tank)
R7T Thermistor (tank - water OUT)
Screw connection
Flare connection
Quick coupling
Brazed connection