1.10.4 Drain connections
Condensates. Insulation and/or protection of ducts
Condensates should be released by means of a specific installation in line with local or national
regulations.
N O T E
For further information on this subject, always keep the current regulations for the country where the unit
is being installed at hand.
Install a drain trap on the exhaust outlet of the unit
-1-. The drain trap must have an access hatch to
facilitate emptying and cleaning when necessary.
Lay the condensate drain pipe from the connection at the bottom of the unit to a nearby drain.
N O T E
• The condensate drain pipe should be at a minimum gradient of 2% (2 cm of drop for each metre in
length).
• The condensate drain pipe must be correctly insulated.
Drain connections for VCH 20A to 90A outdoor units
A pipe must be connected to the outdoor unit for condensate drainage. Remember:
• The appliance connection involve copper pipe with an outer diameter of 28.5 mm.
Drain connections for VIR 25A to 90A indoor units
A pipe must be connected to the indoor unit for condensate drainage. To do so:
• Leave a minimum difference in level of 25 mm
between the appliance connection height and the
line after the drain trap.
Drain pipe insulation
Insulate the condensate drain pipe to prevent condensation from damaging the surrounding area and
the unit.
Check that the water is correctly released.
1
50 mm
75 mm
1
1
Installation manual
1.10 Instructions for installation and connection of the unit
30
