Ducted Type Split Air-Conditioner Units(Inverter Series)
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3.2 Installation Space Requirement
If all sides of the ODU (including the top) are surrounded by walls, process
according to the following requirements for installation space:
Unit:mm
Fig.17
3.3 Refrigerant Pipe Connection
NOTE: Do not loosen the cap of the pipes when connecting the pipes between the
indoor unit and the outdoor unit. Connecting the pipes as soon as possible after
loosening the cap of the pipes to avoid the entering of water and dusk. A metal pipe
should be utilized if a pipe should be installed through a wall.
The connection of the pipes should confirm to the following principles:
Make sure to lessen the length of connecting pipe, the height difference between
the indoor and outdoor unit, and the number of bends, and enlarge the diameter of
bends.
The permitted maximum value of each case:
Height difference between the indoor and outdoor unit
＜30m
＜12
Length of connecting pipes
＜70m
The pipe meld type could be employed for the connection of the pipes between
the indoor and outdoor units.
The pipe joint should be tightly connected when a pipe joint is employed
between two pipes. It is better to use only one connecting pipe if the distance is not
far.
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