Ariston Thermo MGM 2-ZONE HOT/COLD, Installation And Operating Instructions Manual

Page: 37 / 90

EN - 37
ZONE 1 ZONE 2
System interface
The system interface is connected to
the Zone Manager’s BridgeNet® BUS.
Assign configuration code ‘1’ to param-
eter 0.3.0 of the system interface.
Room sensor
The room sensor is connected to the
Zone Manager’s BridgeNet® BUS.
Refer to the room sensor manual for in-
structions on assigning it to Zone 1.
Timer-controlled thermostat
The timer-controlled thermostat is con-
nected to terminal board ‘TA1’ of the
Zone Manager.
System interface
The system interface is connected to
the Zone Manager’s BridgeNet® BUS.
Assign configuration code ‘2’ to param-
eter 0.3.0 of the system interface.
Room sensor
The room sensor is connected to the
Zone Manager’s BridgeNet® BUS.
Refer to the room sensor manual for in-
structions on assigning it to Zone 2.
Timer-controlled thermostat
The timer-controlled thermostat is con-
nected to terminal board ‘TA2’ of the
Zone Manager.
LED signal
The table below indicates the possible fault codes, their description and corre-
sponding corrective actions:
Maintenance
GREEN LED (left)
Indicator off
Power supply OFF
Indicator lit Power supply ON
Indicator flashing Power supply ON, manual mode operation
GREEN LED (centre)
Indicator off
BridgeNet® BUS communications absent
Indicator lit BridgeNet® BUS communications present
Indicator flashing Initialisation of BridgeNet® BUS communications
RED LED (right)
Indicator off
No operation errors
Indicator lit Presence of one or more operation errors