Daikin Altherma 3 H HT EPRA18DAW1, Руководство по установке для специалистов, Страница: 225 / 252

15 | Technical data
Installer reference guide
225
EPRA14~W1 + ET9W
Daikin Altherma 3 H HT F
4P587503-1A – 2020.01
15.3 Piping diagram: Indoor unit
3D120612A
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
B Field installed
a1 Space heating water IN (additional/direct zone)
a2 Space heating water OUT (additional/direct zone)
b1 Space heating water IN (main/mixed zone)
b2 Space heating water OUT (main/mixed zone)
c1 Domestic hot water: cold water IN, loose nut 3/4"
c2 Domestic hot water: hot water OUT, loose nut 3/4"
d1 Water IN connection
d2 Water OUT connection
e Pump (main/mixed zone)
f Shut-off valve, male-female 1"
g Expansion vessel
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
p Water filter (main/mixed zone)
q Loose nut 1"
B1L Flow sensor
B1PW Space heating water pressure sensor
M1S 3-way valve (mixing valve for the main/mixed zone)
M3S 3-way valve (space heating/domestic hot water)
R1T Thermistor (water IN)
R2T Thermistor (backup heater – water OUT)
R5T, R8T Thermistor (tank)
R7T Thermistor (main/mixed zone – water OUT)
S1L Flow switch