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• To prevent the risk of an electric shock it is mandatory to switch off the main
switch before performing the electrical connections or any maintenance op-
eration to the appliances.
• A dedicated circuit is recommended, yet not mandatory unless required by
local, state or national code.
• Use a single outlet circuit only.
to replace the power cord, proceed as follows:
Raise the return air grille (3) and remove the two screws (3a) (fig.28).
a.
b. Extract the right (release using a screwdriver) and left (1a) doors of the front cover, then rotate the flap
(1) and remove the three screws (1b) and the two screws (1c) (fig. 29).
c. Remove the front cover (fig.30).
d. Unscrew the two screws (X2) to remove the front cover of the switchgear (X1) (fig. 31).
e. Unscrew the two screws (X4) to remove the top cover of the switchgear (X3) (fig. 32).
f. Extract the switch towards the exterior of the switchgear (fig. 34-A).
g. Unscrew cable clamp (J1) (fig. 33).
h. Unscrew the cable's locking screws on the terminal board (J2) (fig. 33).
i.
remove the old cable, then install the new one by reversing the steps shown above.
Install then tighten the three wires in the cable in the terminal board (J2) (fig. 34).
l.
m. Lock the cable with the clamp (J1) (fig. 34).
n. Close the switchgear.
o. reassemble the front cover.
The above operation must be performed by a qualified and properly licensed technician.
2.5 - LOW/HIGH WALL INSTALLATION CONFIGURATION
the unit can be installed in both a low wall or high wall.
Depending on installation (low all or high wall) it may be required to change the electronic configuration so
as to optimize the tangles of the supply air flap.
2.5.1 -
Electronic configuration for low or high wall instal-
lations
Work as follows (see fig. B):
a.
insert the plug in the power socket to power the air conditioner, then
make sure it is switched to stand-by mode.
b. Press the button MODE for more than 10 seconds on
the control panel, until an acoustic signal is emitted.
c.
the display shows parameter
d. release the button MODE and press it again.
e. The display shows configuration
(floor installation).
or
f.
Press buttons + or - to select the desired configuration.
g. Press MODE to confirm.
h. Press the button
.
(ceiling installation)
to exit from the configuration.
LED1
LED5
MODE
Display
MAESTRO PRO INVERTER
B
US-ENG- 11
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