Electrical Connection Diagram - Trianco TRO Evolution System Series Installation And Operating Instructions Manual

21.- ELECTRICAL CONNECTION DIAGRAM

There are a series of removable connectors 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:
TA
1
E20
Ph: Phase.
N: Neutral.
bc7: Burner terminal n. 7.
Q: Burner.
BV: DHW charge pump.
BC : Heating circuit N. 1 circulating pump.
1
BC : Heating circuit N. 2 circulating pump.
2
M: Underfloor 3 way valve motor.
E20: Remote control E20 (optional).
TA : Heating circuit N. 1 room thermostat.
1
TA : Heating circuit N. 1 room thermostat.
2
PWM
Rr Ra
c
12 13 14 16 17
15
J3
J5
J4
J2
N N N 3 4 5
bc7
Q
BV
BC
2
BC
1
Sc
TA
2
18 19
J7
J1
9
6 7 8 2
(+) (-)
F
220 V
M
PWM : Heating PWM cable.
c
Rr: Underfloor heating option resistance.
Ra: Storage tank option resistance.
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.
J6
1
N
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