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2.3 - CHOOSING THE POSITION OF THE UNIT (FIG.2-3)
The unit must be installed on a wall that directly communicates with the outside. The position for installing
the unit must have the following prerequisites:
•
The height of the unit's lower edge from the floor should be at least 4"(100 mm) if installed on the wall
in the lowest position.
•
If installed on the wall in the highest position, it should be at least 3.5"(90 mm) from the ceiling.
•
The wall on which the inside unit is installed must be of sufficient strength to withstand its weight.
•
There must be adequate space around the unit for any maintenance or service that may be necessary.
•
There should be nothing in the way of the air that needs to circulate both on the top return air (curtains,
plants, furniture) or at the front where the air exits (supply air). this could cause air swirls that could effect
the unit performance and efficiency.
•
It must be possible to leave room around the unit for any maintenance operations that may be necessary.
When selecting the unit's location as described above the installer must insure there are no
structures or systems (beams, piers, pipes, wires, etc.) at the points where the holes are to be
drilled. Interference from any item would prevent drilling the holes required to install the unit.
•
The unit should not be placed under curtains that may block free movement of the air.
•
Do not spray water or other liquids of any kind directly on the unit.
•
The unit should not be installed in a position where the airflow is directed towards occupants in the
conditioned space.
•
Never force open the supply air flap.
•
Do not place any other object on the air grille that may even partially obstruct the grille itself.
•
The unit should not be installed directly over another appliance, such as a television set, radio, refriger-
ator, etc., or over any other source of heat.
•
Do not store anything on the unit as it will limit airflow, reduce capacity and increase energy costs.
•
Do not attempt to manually open or close the modulating damper or spray corrosive cleaning agents
into the unit.
•
Do not allow curtains or other hanging materials to block the flow of air entering or exiting the unit.
•
Do not allow airflow to be directed towards occupants as their comfort will be negatively impacted. Also,
do not install the unit in close proximity to heat producing appliances or devices.
2.4 - UNIT ASSEMBLY
The maximum length allowed for the wall sleeves is 39" (990 mm). the wall sleeves must be smooth on the
inside with a diameter of 8" (200 mm). Wall sleeves cannot be curved or bent. it is strongly recommended
to use the louvred grilles provided, or if other grilles are to be used, they must be factory approved to
avoid capacity or efficiency issues due insufficient air flow.
2.4.1 -
Drilling the wall (fig.4-5-6)
Install the unit by drilling two holes (diameter of both pipes must be either 8"(200 mm) or 6.4"(160 mm)
through the wall as indicated on the drilling installation template. The 8"(200 mm) holes will ensure the best
performance and lowest air noise level. Drill the wall using the proper tools, taking care to prevent excess
damage to the wall or surrounding areas.
US-ENG- 7
MAESTRO SMART
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