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WIRING DIAGRAM WITH GENERIC ALARM AND
EXTERNAL GAS VALVE.
The boiler is set up for the management of any generic 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.
The diagram shows relay 2 as a generic alarm. In this case it is
RELAY BOARD
RELAY BOARD
230 Vac 50
230 Vac 50
Hz power
Hz power
supply
supply
INTEGRATED P.C.B.
INTEGRATED P.C.B.
WIRING DIAGRAM WITH CHILLER CONTROL
(COOLING ONLY).
The boiler is set up to manage a chiller. The supply voltage oc-
curs simultaneously with the request from the Comando Amico
Remoto remote control
V2
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
Very low
Very low
safety
safety
voltage
voltage
. In the event this configuration is
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
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 en-
visioned anomalies occurs in the boiler (see boiler book under
''Troubleshooting''). The ''external gas valve supply'' control is
enabled together with a burner ignition request in the boiler.
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
RELAY BOARD
RELAY BOARD
GENERIC ALARM
GENERIC ALARM
SIGNALLER
SIGNALLER
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
LPG
LPG
used, it is necessary to jump pins 57 and 58 of connector X25
positioned on the relay board.
Attention: to prevent the chiller electronic control from dam-
age, the signal control must not be live. Interrupt a 230V relay
between the chiller and relay board as indicated in the diagram.
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
Fig. 6-5
CONNECT THE CHILLER
CONNECT THE CHILLER
ACTIVATION (CONTACT
ACTIVATION (CONTACT
NOT POWERED)
NOT POWERED)
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