Daikin ERLA03DAV3, Руководство по установке для специалистов, Страница: 172 / 192

15 | Technical data
Installer reference guide
172
ERLA EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1A – 2020.05
15.2 Piping diagram: Indoor unit
3D112187B
B1PW
M3S
M1S
B2PR
R3T
R8T
R2T
R1T
R5T
R4T
R7T
A
C
C
l m
m
a2
a1
c2
c1
g
e
h
k
k
i
j
n
o
j
d2
d1
B
f
C
b1
f
f
C
b2
f
M
M
X
X
k
p
q
r
A Water side B1PW Space heating water pressure sensor
B Refrigerant side B2PR Refrigerant pressure sensor
C Field installed M1S 3-way valve (mixing valve for the main zone/mixed zone))
a1 Space heating water IN (additional/direct zone) M3S 3-way valve (space heating/domestic hot water)
a2 Space heating water OUT (additional/direct zone) R1T Thermistor (heat exchanger – water OUT)
b1 Space heating water IN (main/mixed zone) R2T Thermistor (backup heater – water OUT)
b2 Space heating water OUT (main/mixed zone) R3T Thermistor (liquid refrigerant)
c1 Domestic hot water: cold water IN R4T Thermistor (heat exchanger – water IN)
c2 Domestic hot water: hot water OUT R5T, R8T Thermistor (tank)
d1 Gas refrigerant IN (heating mode; condenser) R7T Thermistor (main/mixed zone – water OUT)
d2 Liquid refrigerant OUT (heating mode; condenser) Screw connection
e Plate heat exchanger Flare connection
f Shut-off valve for service (if equipped) Quick coupling
g Expansion vessel Brazed connection
h Magnetic filter/dirt separator
i Safety valve
j Air purge
k Drain valve
l Pump (additional zone/direct zone)
m Check valve
n Flow sensor
o Backup heater
p Water filter (main/mixed zone)
q Capillary tube
r Pump (main/mixed zone)