Tecnosystemi HI-TECH PUR 4.0 User Manual page 54

Saturation Curve
Dry bulb temp. (°C)
9. To avoid the outdoor exhaust air cycling back to indoor, the distance between the two vents installed on the outside
wall should be over 1000mm.
10.If heater is equipped to the unit, operation of heater should be synchronous with the unit, so that the heater starts
to work only when unit starts.
11.Duct muffler may be considered if user wants indoor noise to be minimized.
PHYSICAL INSTALLATION
1.Installer to prepare suitable threaded hangers with adjustable nuts and gaskets.
2.Install as shown by the image above. Installation must be level and securely fastened.
3.Failure to observe proper fixing could result in injury, equipment damage and excessive vibration.
Uneven installation will also effect damper operation.
4.Notes for reverse installation of the unit, Reverse labeling shows the unit is upside down.
DUCTING
1. Connection of unit vents and ducts should be taped or sealed to prevent air leakage, and should comply to relevant guidelines
and regulations.
2. The two outdoor vents should face downward toward the outside to prevent any rain water ingress. (angle 1/100 1/50).
3. Insulation must be with the two ducts outside to prevent condensation.
Material: glass cotton, Thickness: 25mm
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