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ENGLISH
3. Pipe installation between the outdoor units
f You will need branch joints, which is an optional accessory, for connecting in between outdoor units in order to combine
outdoor units in module.
❇ For optimal distribution of the refrigerant, you must use Y-joint as branch joint for connecting outdoor units. (Do
not use T-joint)
f When you install the outdoor units in module, there is no restriction of installation order among outdoor units.
f Height of the connection pipe should be same or lower than the ones connected to the outdoor units.
f Check the changes in comparison with the DVM II, III and IV.
Caution Correct installation Incorrect installation
Refrigerant pipes should
be connected at the same
or lower level than the
ones connected to the
outdoor unit.
Refrigerant pipes must be
connected by the side of
the product.
Straight section
should be 300mm
or more
Branch joint between
outdoor units must be
installed horizontally.
When the piping length
between outdoor unit and
the branch joint exceeds
2m, install a vertical trap as
show in the gure.
1 m or less
200 ~
300mm
Over 2 m
Over 2 m
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