39
WIRING DIAGRAM WITH SEVERAL ZONES.
Using the K1 relay as the ''Main zone control'' and contacts 40
and 41 on the boiler for additional room thermostats, it is pos-
sible to connect several zones according to requirements. The
Comando Amico Remoto remote control always controls the
main zone (zone 1), whereas the relative zone valve is always and
WIRING DIAGRAM WITH HEATING PHASE ACTIVE.
The boiler is set up for the management of any external pump,
the pump is powered in concomitance with the heating request
phase.
All the relays can be configured as an active central heating
only managed by the K1 relay. Relays 2 and 3 can be used for
one of the functions indicated in the boiler instruction booklet.
The Comando Amico Remoto remote control must be set with
On/Off operation, while the room thermostats require zone
valves with end run contact. The contact must be closed with
valve open hydraulically.
phase. The diagram represents the connection on relay 2. In the
event this relay is used, it is necessary to jump pins 57 and 58 of
connector X25 positioned on the relay board.
In addition, the possible connection to relay 1 and relay 3 is
represented.
Fig. 2-3
Fig. 2-4
INTEGRATED P.C.B.
INTEGRATED P.C.B.
Line
Line
Neutral
Neutral
Blue
Blue
Brown
Brown
INTEGRATED P.C.B.
INTEGRATED P.C.B.
RELAY BOARD
RELAY BOARD
Blue
Blue
Brown
Brown
