Daikin ETVZ16S18EA6V, Руководство по установке для специалистов

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16 | Technical data
Installer reference guide
244
EPRA14~W1 + ET9W
Daikin Altherma 3 H HT F
4P644739-1 – 2021.02
16.3 Piping diagram: Indoor unit
3D120612B
B1PW S1L
M3S
M1S
R8T
R2T
R1T
R5T
R7T
A
B
B
l m
m
a2
a1 d2
d1
c2
c1
g
h
k
k
i
j
B1L
o
j
f
B
b1
f
f
B
b2
f
q
q
q
q
q
q
M
M
X
X
k
p
n
e
B
f
B
f
A Indoor unit B1L Flow sensor
B Field installed B1PW Space heating water pressure sensor
a1 Space heating additional/direct zone – Water IN
(screw connection, 1") M1S 3-way valve (mixing valve for the main/mixed zone)
a2 Space heating additional/direct zone – Water OUT
(screw connection, 1") M3S 3-way valve (space heating/domestic hot water)
b1 Space heating main/mixed zone – Water IN (screw
connection, 1") R1T Thermistor (water IN)
b2 Space heating main/mixed zone – Water OUT
(screw connection, 1") R2T Thermistor (backup heater – water OUT)
c1 DHW – Cold water IN (screw connection, 3/4") R5T, R8T Thermistor (tank)
c2 DHW – Hot water OUT (screw connection, 3/4") R7T Thermistor (main/mixed zone – water OUT)
d1 Water IN from outdoor unit (screw connection, 1") S1L Flow switch
d2 Water OUT to outdoor unit (screw connection, 1") Screw connection
e Pump (main/mixed zone) Flare connection
f Shut-off valve, male-female 1" Quick coupling
g Expansion vessel Brazed connection
h Magnetic filter/dirt separator
i Safety valve
j Air purge
k Drain valve
l Pump (additional/direct zone)
m Check valve
n Capillary tube
o Backup heater