page 5
INSTRUCTIONS FOR THE USER
• This is a partial sintex of the information provided in the manual; carefully read this manual
• Carefully read this manual. Keep it with the electrical diagram. Make it available to technicians for servicing.
• Ask the installer for training on start-up, shutdown, changing set points, placing in at-rest status, maintenance, what to do
or not to do in the event of a breakdown.
• Provide for scheduled maintenance by specialized technicians so as to ensure long-lasting operation of the unit.
• If you expect the machine to be shut down for long periods of time, disconnect the electrical power supply. In winter, take
necessary measures to deal with possible freezing (unit and system pipes) .
TO DO FOR
ON-OFF
Key hold pressed
SET THE WORKING SETPOINT :
DISPLAY THE ROOM TEMPERATURE :
keys hold pressed
SUMMER/WINTER MODE CHANGE
Key hold pressed.
The key is not operative if the unit is set for the automatic operating mode: under
such conditions, the AUTO indication is displayed.
SOLO FAN
Holding pressed the key Up
The characters “---“ are displayed in this mode instead of the setpoint, and the
bars for the thermo-adjuster power requirement are all active.
DISPLAY THE ROOM HUMIDITY
Hold and simultaneous pressed of both keys
ALARMS
Each time the unit is in alarm, the code of the current alarm is displayed instead of the setpoint.
The code alternates with intervals of about 3 seconds with the displaying of the room temperature.
In case of multiple alarms, the one occurring first is displayed.
ALARM RESET
The current alarms are reset holding the buttons ECO and Clean pressed.
KEY LOCK
All button functions can be locked by holding the buttons Clean and On-Off
pressed. The lock is signalled by the characters “---“ whenever any key is pressed.
COMMON CAUSES OF SHUTDOWN
air filter dirty
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