Evolution EV HFM
30
21
ELECTRICAL CONNECTION DIAGRAM
There are a series of removable copnnectors located on the rear of the control panel, for connecting
the various options and components for this model. For correct connection, carefully follow the
indications shown below:
1
8
6
5
4
3
N
N
N
7
J1
J2
J4
N
F
Q
J5
TA
1
E20
BV
2
220 V
J7
TA
2
bc7
Bl
ac
k
Bl
u
e
Bl
ue
Bl
ue
Br
ow
n
BC
2
BC
1
M
J6
19
18
17
16
15
J3
Sc
Bl
ue
Sa
Rr
Bl
ue
PWM
c
Bl
ue
14
13
12
PWM
a
9
(+) (-)
Ph:
Phase.
N:
Neutral.
bc7:
Burner terminal n. 7.
Q:
Burner.
BV:
DHW charge pump.
BC
1
:
Heating circuit N. 1 circulating pump.
BC
2
:
Heating circuit N. 2 circulating pump.
M:
Underfloor 3 way valve motor.
E20:
Remote control E20 (optional).
TA
1
:
Heating circuit N. 1 room thermostat.
TA
2
:
Heating circuit N. 1 room thermostat.
PWM
a
:
DHW PWM cable.
PWM
c
:
Heating PWM cable.
Rr:
Underfloor heating option resistance.
Sa:
DHW temperature sensor.
Sc:
Boiler temperature sensor.
J1:
Power supply connector.
J2:
Components connector.
J3:
Sensor connector.
J4:
Remote control connector.
J5:
Room thermostat N. 1 connector.
J6:
Telephone relay connector.
J7:
Room thermostat N. 2 connector.
