Preliminary Checks; Control Panel - Master AC 22 Bedienungs- Und Wartungsanleitung

►►►4. START-UP
►►4.1. PRELIMINARY CHECKS
CAUTION: Check that the power cord is
properly connected.
CAUTION: Check that all the cover pan-
els are in the correct position and are locked via
fixing screws before commissioning.
►►4.2. CONTROL PANEL
(PIC. 4)
The unit is equipped with a luminous control pan-
el, which indicates the operating status of the ap-
pliance.
A brief description is provided below:

CONTROL PANEL:

►[ - - ] (SHOWN ON THE DISPLAY): The display
shows [ - - ] when the unit is connected to the
mains and electrically powered.
LED:
►FAN SPEED LED: These LEDs indicate the set
ventilation speed (LOW > Low speed / HIGH >
High speed).
►ALARM LED: This LED is on when the unit is in
alarm. The display will show the error message.
►MODE LED: These LEDs indicate the selected
operating mode:
-COOL LED: This LED indicates that the appli-
ance is operating in "COOLING" mode.
This LED flashes during defrosting or if the tem-
perature set point is reached.
-LED DRYER: This LED indicates that the ap-
pliance is operating in "DEHUMIDIFICATION"
mode.
This LED flashes during defrosting or if the hu-
midity set point is reached.
-LED FAN: This LED indicates that the appli-
ance is operating in "VENTILATION" mode.
BUTTONS:
►ON/OFF: Press "ON/OFF" to turn the appliance
on.
Press the "ON/OFF" button to turn the appliance
off (with the appliance off, the display shows [ - -
]).
NOTE: When the appliance is turned off and
then on immediately, the compressor does not
start immediately. After a few minutes, the appli-
ance restarts automatically.
►FAN SPEED: Press the "FAN SPEED" button
to select the desired ventilation speed (LOW >
Low Speed / HIGH > High Speed).
►SET "▼" / "▲" (SET POINT): By pressing the
SET "▼" / "▲" buttons it is possible to set the
desired set point value. The display will start
flashing, showing the new reference set point.
After a few seconds the display stops flashing
and the new set point has been detected by the
electronics.
It is possible to operate the appliance regard-
less of the degree of temperature or humidity in
the environment; in fact, the appliance will work
continuously while pressing the "▼" button until
"CONT" appears on the display.
►MODE: Press the "MODE" button to select the
desired operating mode:
●●COOLING MODE (PIC. 5) [COOL MODE]: Se-
lect the "COOL" cooling mode on the control
panel.
●●COOLING MODE WITH DUCTING (PIC. 6-7)
[COOL MODE]:
○I° - Duct the hot air from the upper grid (C PIC.
2) to outside the room.
○II° - Select the "COOL" cooling mode on the
control panel.
●●DEHUMIDIFICATION MODE (PIC. 8) [DRYER
MODE]: Select the "DRYER" dehumidification
mode on the control panel.
►HOURS/TAC: Press the "HOURS/TAC" button
to view the working HOURS/TAC of the appli-
ance.
►►4.3. DISCHARGE PIPE CONNEC-
TION (Set-up)
A discharge pipe can be connected to the appli-
ance. Remove the tank and connect a fixed pipe
to the condensate drain (3/4" male fitting).
►►4.4. CONNECTING AIR DUCTING
PIPES
Air ducting pipes can be connected to the ap-
pliance. It is recommended to use only pipes of
adequate section and to avoid bends or narrow-
ing of the duct sections.
It is forbidden to move the appliance when it is
ON and when it is connected to ducting pipes.
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