42VMC
Air delivery and fresh air renewal
Air delivery direction
Wall installation, cooling | Wall installation, heating |
Ceiling installation, cooling | Ceiling installation, heating | ||
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“No draught”
(guide vane fully open)
(position recommended for ceiling installation in cooling mode, to avoid draughts)
IMPORTANT:
Air is supplied into the room through the grilles located on top of the cabinet; air from the room is drawn into the unit through the grilles and filter at the bottom of the unit.
Make absolutely sure that the above parts are not obstructed (even partially).
Fresh air renewal
Units are prearranged for introduction of renewal air through a prepunched hole located on back side.
Back knockout allows connection of fresh air inlet duct.
Model 009 - 012 | Model 014 - 018 - 024 |
•Use locally purchased material, suitable for operating temperatures of 60 °C (continuous).
Conduits can be of flexible polyester (with spiral core) or corrugated aluminium, externally covered with
•To complete the installation, all
Not observing of these instructions may cause condensate dripping; the manufacturer will not be held responsible for any damage caused.
•The supplementary fan motor for outside air intake has to be supplied separately and controlled by a bipolar
To adjust the fan motor air flow to the required values it is advisable to install a speed controller.
Fresh air flow must be less than 10% of the total air flow, to avoid operating problems.
For fresh air ventilation rates higher than 10%, a primary air treatment system with separate deflectors is recommended.
•Install an air inlet grille with filter inspection port to prevent dust and dirt from entering and fouling the indoor unit heat exchanger.
Filter installation also makes the installation of a duct closing damper during shutdown periods unnecessary.
GB - 14