Electrical Diagram - Baxi POWER HT+ Series Installation And Service Manual

3 3 .4

Electrical diagram

Fig.4 Electrical diagram POWER HT+ 1.50 – POWER HT+ 1.70
P
O
N
M
L
K
J
I
H
G
F
E
D
4
B C
3
N
2
A L
1
A Power supply 230V 50Hz
B Power supply auxiliary circuit 1
C Power supply auxiliary circuit 2
D Room thermostat
E Heating circuit pump
F Domestic hot water pump
G Safety contact
H Boiler pump
I Auxiliary sensor 1
J Auxiliary sensor 2
K Outside temperature sensor
L Domestic hot water sensor
M Room temperature sensor 1
N Room temperature sensor 2
7609474 - v02 - 04092014
4
2
3
1
3
1A 1
4
2
2A
2
5
1
11
O Room temperature sensor 3
P Boiler pump modulation (PWM)
1 Flow temperature sensor
2 Return sensor
3 Hydraulic pressure sensor
4 Flue gas sensor
5 Control panel display
6 Ionisation probe
7 Spark plug
8 Igniter
9 Gas valve
10 Safety thermostat
11 Fan
12 Safety thermostat on the combustion chamber door
3 Technical specifications
HMI
6
10 12
9
7
8
MW-3000003-01
15