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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
230 Vac 50
230 Vac 50
Hz power
Hz power
supply
supply
INTEGRATED P.C.B.
INTEGRATED P.C.B.
Fig. 6-5
Wiring diagram with chiller control
(cooling only).
The boiler is set up to manage a chiller. The
supply voltage occurs simultaneously with the
RELAYS K1, K2
RELAYS K1, K2
and K3 CAN BE
and K3 CAN BE
CONFIGURED
CONFIGURED
RELAY BOARD
RELAY BOARD
230 Vac 50
230 Vac 50
Hz power
Hz power
supply
supply
INTEGRATED P.C.B.
INTEGRATED P.C.B.
Fig. 6-6
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
Very low
Very low
safety
safety
voltage
voltage
request from the Comando Amico Remoto re-
mote control
is used, it is necessary to jump pins 57 and 58 of
connector X25 positioned on the relay board.
Very low
Very low
safety
safety
voltage
voltage
CAR v2 must be connected
CAR v2 must be connected
to terminals 41 and 44
to terminals 41 and 44
complying with the polarity
complying with the polarity
and eliminating jumper X40
and eliminating jumper X40
RELAYS K1, K2 and K3 CAN
RELAYS K1, K2 and K3 CAN
ALL BE CONFIGURED AS GE-
ALL BE CONFIGURED AS GE-
NERIC ALARM AND EXTER-
NERIC ALARM AND EXTER-
NAL GAS VALVE SUPPLY
NAL GAS VALVE SUPPLY
RELAY K2 CAN BE USED WITHOUT
RELAY K2 CAN BE USED WITHOUT
JUMPING PINS 57 AND 58 OF CON-
JUMPING PINS 57 AND 58 OF CON-
NECTOR X 25 POSITIONED ON THE
NECTOR X 25 POSITIONED ON THE
THE LAYOUT REPRESENTS K3
THE LAYOUT REPRESENTS K3
WITH EXTERNAL GAS VALVE
WITH EXTERNAL GAS VALVE
SUPPLY AND K2 AS GENERIC
SUPPLY AND K2 AS GENERIC
ALARM SIGNALLER
ALARM SIGNALLER
. In the event this configuration
V2
SET RELAY 3 AS "CHILLER
SET RELAY 3 AS "CHILLER
REMOTE ACTIVATION"
REMOTE ACTIVATION"
!!!ATTENTION!!!
!!!ATTENTION!!!
USE RELAY 230V TO PREVENT
USE RELAY 230V TO PREVENT
DAMAGING THE CHILLER
DAMAGING THE CHILLER
ELECTRONIC CONTROL (THE
ELECTRONIC CONTROL (THE
SIGNAL TO BE CONNECTED
SIGNAL TO BE CONNECTED
TO THE CHILLER CONTROL
TO THE CHILLER CONTROL
MUST NOT BE LIVE)
MUST NOT BE LIVE)
53
boiler (see boiler book under ''Troubleshoot-
ing''). The ''external gas valve supply'' control is
enabled together with a burner ignition request
in the boiler.
RELAY BOARD
RELAY BOARD
GENERIC ALARM
GENERIC ALARM
SIGNALLER
SIGNALLER
LPG
LPG
Attention: to prevent the chiller electronic con-
trol from damage, the signal control must not be
live. Interrupt a 230V relay between the chiller
and relay board as indicated in the diagram.
CONNECT THE CHILLER
CONNECT THE CHILLER
ACTIVATION (CONTACT
ACTIVATION (CONTACT
NOT POWERED)
NOT POWERED)
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