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Wiring diagram with several zones.
Using the K1 relay as the ''Main zone control''
and contacts 40 and 41 on the boiler for addi-
tional room thermostats, it is possible to connect
several zones according to requirements. The
Comando Amico Remoto remote control always
RELAY BOARD
RELAY BOARD
230V Connection terminal board
230V Connection terminal board
230 Vac 50
230 Vac 50
Hz power
Hz power
supply
supply
Fig. 1-4
Wiring diagram with heating phase
active.
The boiler is set up for the management of any
external pump, the pump is powered in concom-
itance with the heating request phase.
All the relays can be configured as an active
230V Connection terminal board
230V Connection terminal board
230 Vac 50
230 Vac 50
Hz power
Hz power
supply
supply
Fig. 1-5
controls the main zone (zone 1), whereas the
relative zone valve is always and only managed
by the K1 relay. Relays 2 and 3 can be used for
one of the functions indicated in the boiler in-
struction booklet.
V2
INTEGRATED P.C.B.
INTEGRATED P.C.B.
Very low
Very low
safety
safety
voltage
voltage
RELAYS K1, K2
RELAYS K1, K2
and K3 CAN BE
and K3 CAN BE
CONFIGURED
CONFIGURED
Low voltage connection terminal board
Low voltage connection terminal board
central heating 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.
INTEGRATED P.C.B.
INTEGRATED P.C.B.
Very low
Very low
RELAY BOARD
RELAY BOARD
safety
safety
voltage
voltage
RELAYS K1, K2
RELAYS K1, K2
and K3 CAN BE
and K3 CAN BE
CONFIGURED
CONFIGURED
Low voltage connection terminal board
Low voltage connection terminal board
The CAR
41 and 44 complying with the polarity and
eliminating the X40 jumper. Moreover, it 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.
ELECTRICAL CONNECTIONS
ELECTRICAL CONNECTIONS
OF THE ACTIVE CENTRAL
OF THE ACTIVE CENTRAL
HEATING MODE
HEATING MODE
VIA RELAY K1 AND K3
VIA RELAY K1 AND K3
33
must be connected to terminals
V2
Line
Line
Neutral
Neutral
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