M2E240P5-03 12/09/07 page 6
TO DO FOR:
Some functions are active only if they are enabled during installation (remote ON-OFF, remote SUMMER WINTER change,
remote ECO, sanitary hot water, set point compensation). Check with the installer about the configuration used.
Start the unit LONG pressing of the ON/OFF button
Choose the WINTER mode
possible also by external enabling
(see ELECTRICAL CONNECTIONS)
“SNOW-FLAKE” button
Green led on
Limit the energetic consumption
Control by external enabling
(see ELECTRICAL CONNECTIONS)
ECO button
Choose the optimal comfort level COMFORT button
Activate the hot sanitary water production
Through remote consent outside the unit
“SNOW-FLAKE” button on
“SUN” led is flashing
Minimize the consumptions maintaining the system at a
safety temperature in WINTER ( MAINTENANCE
function)
Put the unit in OFF
( parameter 45 must be = 1)
yellow led is flashing
Identify the cause of the unit shutdown
RED LED lit
- flashing: the alarm resets automatically
- on continuously: a manual reset is
necessary
ELECTRICAL CIRCUIT ALARM REFRIGERANT CIRCUIT ALARM WATER CIRCUIT ALARM
Return probe HP Flow pump
Supply probe LP System charged with water
Radiant panel water probe CCMP/VENT Antifreeze alarm
Coil/flow probe HP1 Pre-Alarm Antifreeze PREAlarm
External probe BP1 Pre-Alarm Pump alarm
Pressure 1 probe C1 PREAlarm
Water reset return PRad. Cooling limit alarm
External relative humidity probe PRad. Water frost alarm
Phase monitor Coil frost alarm
Electric resistance output probe Alarm ?T° incongruous
Electric resistance antifreeze alarm
serial faulty alarm serial faulty alarm serial faulty alarm
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