Table des Matières
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A
Location For Installation
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Install the unit in such way that air discharged by the unit cannot be drawn in again (as in the case of short circuit of
discharge air). Allow sufficient space for maintenance around the unit.
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When two or more units are installed in a location, they must be positioned such that one unit will not be taking the
discharge air from another unit.
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Ensure that there is no obstruction of air flow into or out of the unit. Remove obstacles which block air intake or air
discharge.
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The location must be well ventilated, so that the unit can draw and distribute plenty of air.
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The unit is recommended to install in:-
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A place capable of bearing the weight of the unit and isolating noise and vibration.
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A place where has adequate drainage.
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A place where the unit will not be buried in snow.
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A place where air inlet and outlet ports are not exposed to strong wind.
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A place where the air discharge and operating sound level will not annoy the neighbours.
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The location where it is not accessible by general public.
ü
To install the unit with economizer kit, follow the recommendations given in part (B) (iii) under chapter "OPTIONAL
ACCESSORY" in this manual.
Do not install the unit at altitude over 2000m.
B
Duct Construction
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This unit are equipped with supply and return air openings. Duct connection to the unit should be made with duct
flanges and secured directly to the air openings with flexible duct connectors to avoid normal noise transmission.
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To prevent air leakage, all duct seams should be sealed.
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Ducts in the spaces that not air-conditioned must be insulated.
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Ducts exposed to the outside must be weather proofed.
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Ducts that entering building through the roof, the entering should be sealed with weather stripping to prevent rain,
sand, dust etc., from entering the building.
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Correct size of filter must be installed at the return air duct.
14
INSTALLATION OF THE UNIT
CAUTION
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Table des Matières
