AirTech AIR+ PIV/L Instruções de instalação e colocação em funcionamento - Página 4
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INSTALLATION
TYPICAL INSTALLATION
Fig.1.
Air+ PIV UNIT:
Prior to installation ensure that the loft is adequately ventilated. The
following tips can be used as a basis for this.
However this is not an
exhaustive list.
Ensure that any ridge vents, tile vents and continuous air gaps are not
blocked. These may not be present in older properties; however there should be
enough 'leakage' to accommodate the requirements of the Air+ PIV unit.
One method of checking this is by entering the loft, closing the loft hatch,
switching off the lights and looking for any daylight penetration. If daylight
is visible it is reasonable to assume that there is adequate ventilation
within the loft.
There may well be occasions where a loft is so well sealed that additional
ventilation may need to be provided by the owner/occupier. This will not only
assist the operation of the Air+ PIV, but may also help to prevent future
expensive structural damage caused by inadequate air movement. It should be
noted that there can never be too much ventilation in a loft.
Ensure that all water tanks are covered and sealed.
Check that all water pipes are lagged.
Ensure that any extract fans are discharging to the outside and not into the
loft.
Check that the loft hatch is tightly sealed.
Ensure that all holes in the ceilings are sealed, i.e. ceiling light fittings
etc.
A visual inspection of any flues or chimneys for leakage in the loft should be
carried out by the installer.
If any leakage points are found, or if there is any doubt at all, the
installer should advise the house owner/provider as soon as possible and seek
instruction from them before proceeding with the installation.
Flexible ducting is supplied as standard.
Ensure that this is pulled out and
does not allow any moisture to collect; it should be a smooth single curve to
the grille.
If the application requires a fixed 90 degree bend, straight
ducting may be used. See Spares and Accessories on page 13.
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