Daikin Altherma EHYHBH05A Series, Installer'S Reference Manual

Page: 243 / 264

17 | Technical data
Installer reference guide
243
08CA + EHY EHYHBH/X08A + EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1G – 2022.09
17.5 Wiring diagram: Gas boiler
1
4
1
1
1
2
4
5
1
7
8
1
8
3
S1
c
X5
X7
X3
(230 V~)
X2 X1
(230 V~)
3.15
AT
e
S2
S7
S3
S5
i
a
d
b
g
f
h
230 V~/50 Hz
6
1= 0 V
2= 24 V=
3= Tacho
4= Pwm
1
1 2 3 4 5 6 7 8 4 3 2 1
43 2
3-4=
2-3=
1 =
1
3
5
4 7
6
3
a Earth connections heat exchanger
b Spark plug cover
c Boiler controller
d Earth connections boiler controller
e Fuse (3.15 A T)
f Gas valve and ignition unit
g Ionisation/ignition probe
h Main voltage
i Fan
S1 Flow sensor
S2 Return sensor
S3 Domestic hot water sensor (not applicable for Switzerland)
S5 Flow switch
S7 Space heating water pressure sensor
X1 Gas valve and ignition electrode
X2 Main power supply (2=L (BRN), 4=N (BLU))
X3 Power supply fan (230 V)
X5 Boiler communication cable
X7 Sensor connection