Manual code 75803707A.0708
Page 17 of 64
4.6 WATER CONNECTIONS
WARNING!
TECNAIR LV tests water components with dried compressed air at 24 Bar. This
ensures that no water is present in the water circuits thereby preventing the
possibility of freezing during storage prior to installation.
However, during the positioning and installation operations, it is essential to
take special care not to fill the water circuits, even accidentally, before all the
necessary antifreeze measures stipulated in the design specifications have
been taken (e.g. insulation, addition of glycol, etc.).
4.6.1 CONDENSATE DRAIN AND SIPHONS
All air conditioners, whether direct expansion or water chilled coils, require a condensate drain connection
between the machine and the building waste drains system and the humidifier drain.
The siphon, essential for draining condensate as the bowl is located in a point of negative pressure, is supplied
already installed on the unit and is to be connected when the unit is placed in position by the installer. The humidifier
drain, which does not require a siphon, is supplied ready connected to the termination of the condensate drain. The drain
pipe used is 19x25 Retiflex with 1/2’ fittings.
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