17
|
Technical data
Installer reference guide
286
ERLA11~W1 + EBVH16SU23DJ
Daikin Altherma 3 R F
4P655196-1 – 2021.09
17.3 Piping diagram: Indoor unit
3D128638
B1PW
B2L
M3S
R3T
R8T
R2T
R1T
R5T
R4T
A
C
C
n
a2
a1
b2
b1
c
i
h
f
j
m
k
l
o
l
e1
d2
e2
d1
B
m
g
g
A
Water side
B2L
Flow sensor
B
Refrigerant side
B1PW
Space heating water pressure sensor
C
Field installed (delivered with the unit)
M3S
3-way valve (space heating/domestic hot water)
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, 3/4")
b2
DHW – Hot water OUT (screw connection, 3/4")
c
Recirculation connection
Thermistors:
d1
Gas refrigerant IN (heating mode; condenser)
R1T
Outlet water heat exchanger
d2
Liquid refrigerant OUT (heating mode; condenser)
R2T
Outlet water backup heater
e1
Liquid refrigerant IN (cooling mode; evaporator)
R3T
Refrigerant liquid side
e2
Gas refrigerant OUT (cooling mode; evaporator)
R4T
Inlet water
f
Plate heat exchanger
R5T, R8T
Tank
g
Shut-off valve for service
h
Flexible pipe
i
Expansion vessel
j
Magnetic filter/dirt separator
k
Safety valve
Connections:
l
Automatic air purge
Screw connection
m
Drain valve
Flare connection
n
Pump
Quick coupling
o
Backup heater
Brazed connection
Summary of Contents for Altherma 3 R F
Page 309: ...13 13 ...
Page 310: ......
Page 311: ......
Page 312: ...4P655196 1 2021 09 Copyright 2021 Daikin Verantwortung für Energie und Umwelt ...