Wiring Diagram: Gas Boiler - Daikin CHYHBH05AA Installer's Reference Manual

15.3

Wiring diagram: Gas boiler

i
S1
1
4
1 43 2
S2
1
3
S7
1
c
6
8
S3
1 X3
X5
1= 0 V
5
2= 24 V=
3= Tacho
1
4= Pwm
S5 X7
5
6
3
1
4 7
7
8
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
CHYHBH05+08AA + EHYKOMB33A
Daikin hybrid for multi heat pump – heat pump module
4P471761-1A – 2017.10
h
b
230 V~/50 Hz
g
a
f
d
4
3
1 2 3 4 5 6 7 8 4 3 2 1
1
X2 X1
2
(230 V~) (230 V~)
3.15
AT
3-4=
e
2-3=
1 =
15 Technical data
Installer reference guide
89