6
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Installation
Installer reference guide
30
FNA25~60A2VEB(9)
Split system air conditioners
4P550955-3C – 2020.12
▪
Level.
Make sure the unit is level at all four corners using a level or a water-filled
vinyl tube.
15
Tighten the upper nut.
NOTICE
Do NOT install the unit tilted.
Possible consequence:
If the unit is tilted against the
direction of the condensate flow (the drain piping side is raised), the float switch
might malfunction and cause water to drip.
▪
Fixing the unit.
Level the unit with the levelling screws (accessory). If the floor is
too uneven to level the unit, place the unit on a flat and levelled base. If the unit
is in danger of falling over, fasten it to the wall using factory-made holes or to the
floor using floor fasteners (field supply).
2×
6.2.3 Guidelines when installing the ducting
WARNING
If one or more rooms are connected to the unit using a duct system, make sure:
▪
there are no operating ignition sources (example: open flames, an operating gas
appliance or an operating electric heater) in case the floor area is less than A
min
specified in the General safety precautions;
▪
no auxiliary devices, which may be a potential ignition source, are installed in the
duct work (example: hot surfaces with a temperature exceeding 700°C and
electric switching device);
▪
only auxiliary devices approved by the manufacturer are used in the duct work;
▪
an air inlet or outlet is connected directly with a room by ducting. Do NOT use
spaces such as a false ceiling as a duct for the air inlet or outlet.
WARNING
Do NOT install operating ignition sources (example: open flames, an operating gas
appliance or an operating electric heater) in the duct work.
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