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g. remove the cable. insert the new cable following the same procedure.
h. remove the wooden wedge from behind the unit. lock the cable's three poles into the terminal strip and
tighten the screws. Secure the cable with the clamp.
i.
Close the protection of the board.
l.
reassemble the cover of the unit.
m. Refit the two wedged-in covers upper and lower.
This operation must be performed by specialized personnel possessing the requirements indicated
by law.
2.4.7 -
TOP/BOTTOM INSTALLATION CONFIGURATION
This unit may be installed either as a low wall application (adjacent to the floor) or high wall application (ad-
jacent to the ceiling). the air stream can be adjusted to optimize air distribution and occupant comfort by
changing the position of the supply air fap.
Figure 31 refers to a unit configured for a low wall application, where the air flows upwards. The same configu-
ration may also be used to install the unit in a high wall application, allowing for increased airflow in the space.
Figure 32 refers to a unit configured for a high wall application, where the air flows downwards.
THE FOLLOWING OPERATIONS MUST BE PERFORMED WHEN THE UNIT IS SWITCHED OFF AND
DEENERGIZED.
Changing the configuration (see fig. 31-32):
a. Carefully open the supply air flap.
b. Unhook the flap (side and central hooks from the baffles).
c.
remove the pin (P1) and turn the fap 180°.
d. insert the pin (P1) on the right-hand side of the fap.
e.
insert the fap into the unit by inserting the pin into the top hole on the right-hand side in the opening (P2),
and the flap's left-hand hole on the upper pin that is on the left-hand side in the opening.
After having performed the steps required to change the supply air flap position, it is necessary to configure
the unit's control board by following the instructions listed in section 2.5 of this manual.
FOR PROPER UNIT OPERATION EACH TIME THE CONFIGURATION OF THE SUPPLY AIR FLAP
IS MODIFIED THERE MUST BE A CORRESPONDING CHANGE TO THE UNIT CONTROL BOARD
SETTINGS.
Prior to starting the unit the two additional filters (1 green purifying filter and 1 black active carbon
filter) included in the parts bag that comes supplied with the unit, must be installed. Refer to section
2.6.1, which describes how to clean the filters, as well as how to remove and reinstall them.
2.5 - OPERATING TESTS AND TROUBLESHOOTING (Fig.B)
the unit is able to perform a brief troubleshooting cycle to check that the internal components are operating
normally. During this process the installer can configure the control board based on whether installation is
a low wall or high wall application.
to activate the troubleshooting function, use the following procedure:
•
Turn on the unit and ensure it is on stand-by mode (no LED should be illuminated on the console).
• Press the reset button positioned underneath the hole to the left side of the console (H), with a pointed
object for at least 10 seconds. the beeping sound indicates the troubleshooting function has been ac-
tivated.
US-ENG- 11
MAESTRO SMART
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Table of Contents
Troubleshooting
