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Wiring diagram with generic alarm and
external gas valve.
The boiler is set up for the management of any ge-
neric alarms. In addition, it is possible to connect
an external gas valve to be connected to an LPG
tank. All relays can be configured as a generic
alarm and as an external gas valve.
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. 1-6
Wiring diagram with chiller control
(cooling only).
The boiler is set up to manage a chiller. The
supply voltage occurs simultaneously with the
request from the Comando Amico Remoto re-
mote control
. In the event this configuration
V2
is used, it is necessary to jump pins 57 and 58 of
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. 1-7
The diagram shows relay 2 as a generic alarm. In
this case, it is necessary to jump pins 57 and 58
of connector X25 positioned on the relay board.
While relay 3 is configured as an external gas
valve supply.
The ''generic alarm'' signal is enabled whenever
one of the envisioned anomalies occurs in the
INTEGRATED P.C.B.
INTEGRATED P.C.B.
Very low
Very low
safety
safety
voltage
voltage
Low voltage connection terminal board
Low voltage connection terminal board
connector X25 positioned on the relay board.
The CAR
must be connected to terminals 41
V2
and 44 complying with the polarity and elimi-
nating jumper X40.
Attention: to prevent the chiller electronic con-
trol from damage, the signal control must not be
INTEGRATED P.C.B.
INTEGRATED P.C.B.
Very low
Very low
safety
safety
voltage
voltage
Low voltage connection terminal board
Low voltage connection terminal board
34
boiler (see boiler book under ''Troubleshoot-
ing''). The ''external gas valve supply'' control is
enabled together with a burner ignition request
in the boiler.
GENERIC ALARM
GENERIC ALARM
SIGNALLER
SIGNALLER
LPG
LPG
live. Interrupt a 230V relay between the chiller
and relay board as indicated in the diagram.
All the relays can be configured. Set relay 3 as
"Chiller remote activation".
CONNECT THE CHILLER
CONNECT THE CHILLER
ACTIVATION (CONTACT
ACTIVATION (CONTACT
NOT POWERED)
NOT POWERED)
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