Samsung AM MXVAFC Series Installation Manual page 52

Refrigerant pipe installation
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 f
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
f Height of the connection pipe should be same or lower than the ones connected to the outdoor units .
f
f Check the changes in comparison with the DVM II and III .
f
Caution
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 .
Branch joint between
outdoor units must be
installed horizontally .
Install a vertical trap in
following cases as shown
in the figure :
Case1 . Pipe length
between outdoor unit
branches exceeds
2m (6 . 5 6ft) .
Case2 . Pipe length
between outdoor unit
and its branch exceeds
2m (6 . 5 6ft) .
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Correct installation
Straight section
should be 300mm
(12inch) or more
200 (8)~
300mm
(12inch)
1m (3 . 2 8ft) less
Over 2m (6 . 5 6ft)
200 (8)~
300mm
(12inch)
1m (3 . 2 8ft) less
Over 2m (6 . 5 6ft)
Incorrect installation
Over 2m (6 . 5 6ft)
Over 2m (6 . 5 6ft)