Positioning Of The Machine; Connection To The Ducts - MAXA OTA micro 15 Manuel Utilisateur

3.5 Positioning of the machine

Find below some images of the assembly:
1. Carry out the drilling on the ceiling and fix
four M8 threaded rods as shown in the figure.
2. Position the unit on the four threaded rods.
3. Block the unit by locking the bolts.

3.6 Connection to the ducts

IMPORTANT: IT IS PROHIBITED TO START UP THE OTA micro UNIT, IF THE FANS OUTLETS ARE NOT CANALI-
ZED OR PROTECT WITH A SAFETY NET AS PER UNI 9219 AND SUCCESSIVE NORMS.
• The ducts must be dimensioned in function of the system and of the air flow characteristics of the unit ventilators. A
wrong calculation of the ducts may cause loss of power or the possible activation of devices fitted on the unit.
• Reduce ducts' bending at a minimum, as weel as their diameter reduction to minimize the pressure loss.
• In order to prevent the formation of condense and to reduce the noise leve, it is advised to use insulated ducts.
• If rigid ducts are used to avoid the transmission of possible vibrations of the machine in the atmosphere, it is advi-
sed to interpose an antivibrating joint between the air outlets and the ducts. The electrical continuity between duct
and machine must however be guaranteed through a grounding cable.
• The distance between indoor inlet port and indoor intake port should be as far as possible.
• In order to prevent the penetrations of rain, the ducts connecting the unit with the outside should be protected by gril-
les. Moreover the ducts should be a little tilted.
Outside
intake
air
Slope
23
Threaded rods
Outside intake
duct
Brackets
Exhaust air
duct
Supply air duct
Indoor
Intake duct
Room intake
opening
Tilted ducts connecting the unit
with the outside
OTA micro 15÷50
Inside supply
opening