Samsung AC BXAP G Series Installation Manual page 25

Calculating the quantity of refrigerant to add
The quantity of additional refrigerant is variable according to the installation situation. Thus, make sure the outdoor unit situation
before adding refrigerant. This operation can only be performed by a qualified refrigeration specialist.
Single installation outdoor unit
Model
AC071BXAPKG
AC071BXAPNG
AC100BXAPKG
AC100BXAPNG
AC120BXAPNG
AC140BXAPNG
DPM installation outdoor unit
Model
AC071BXAPKG
AC071BXAPNG
AC100BXAPKG
AC100BXAPNG
AC120BXAPNG
AC140BXAPNG
• "n" means the number of indoor unit connection of DPM.
Installing DPM
DPM allowable Outdoor and indoor unit models
DPM allowable Outdoor and Indoor unit models
2-Indoor units
Outdoor unit
connection
Indoor Unit
AC071BXAP*G AC035BN*PKG
AC100BXAP*G AC052BN*PKG
AC120BXAP*G -
AC140BXAP*G AC071BN*PKG
CAUTION
• AC035BNAPKG is not allowed to be installed as 4-Indoor
units connection due to excess of the maximum quantitiy
of refrigerant.
• Installation of multiple indoor units should consist of units
that have the same capacity.
e.g. When you install the AC100BXAPKG outdoor
unit as DPM combination such as 2 or 3 indoor
units connection, only the combination of two
AC052BN*PKG or three AC035BN*PKG is available.
0~30
0
0
Diameter of L1, a & b pipe
3-Indoor units 4-Indoor units
connection connection
Indoor Unit Indoor Unit
- -
AC035BN*PKG -
AC035BNNPKG
AC052BN*PKG
AC035BNMPKG
Interconnection pipe length (m)
30~55
+45 g/m over 30 m
+45 g/m over 30 m
Installation condition Amount of additional refrigerant charging
(L1+a+b-5) x 30 [g] + (L2 +...+Ln+1) x 20 [g]
If (L1+a+b)<5m, (L2 +...+Ln+1) x 20 [g]
(L1+a+b-5) x 30 [g] + (L2 +...+Ln+1) x 25 [g]
If (L1+a+b)<5m, (L2 +...+Ln+1) x 25 [g]
Space requirements for indoor and outdoor units and
piping installation
(Refer to page 7~10 installation specification.)
• Two indoor units should be installed in one area which
is not divided by a wall.
• The distance between two indoor units should be
within a straight-line of 10m.
• After branching, the distance between the piping
connected to the two indoor units should be within 5m.
• The height difference between two units should be
within 0.5m.
• Use the joint KIT that is only for DPM. (Please refer to
the table below)
2-Indoor units
connection
DPM KIT
MXJ-2D2509K
55~85
3-Indoor units 4-Indoor units
connection connection
MXJ-3D2509K MXJ-4D2509K
English 25