4. REFRIGERANT FLOW DIAGRAM
12
Capillary tube
Capillary for
liquid injection
Compressor
Accumulator
Wide tube
service
valve
Wide tube
O.D.
ø12.7 mm
(1/2 ")
Narrow
tube
service
valve
Narrow tube
O.D.
ø6.35 mm
(1/4")
C
o
n
d
e
n
s
e
r
Indoor Unit
Outdoor Unit
E
v
a
p
o
ra
to
r
Indoor Unit
SAP – K181A
Outdoor Unit
SAP – C181A
Compressor
Wide tube
service
valve
Wide tube
O.D.
ø15.88 mm
(5/8 ")
Narrow
tube
service
valve
Narrow tube
O.D.
ø6.35 mm
(1/4")
E
v
a
p
o
ra
to
r
Capillary for
liquid injection
Indoor Unit
Outdoor Unit
Muffler
Capillary tube
C
o
n
d
e
n
s
e
r
Strainer
Accumulator
Indoor Unit
SAP – K241A
Outdoor Unit
SAP – C241A
Insulation of Refrigerant Tubing
Because capillary tubing is used in the outdoor unit, both the
wide and narrow tubes of this air conditioner become cold. To
prevent heat loss and wet floors due to dripping of
condensation, both tubes must be well insulated with a
proper insulation material. The thickness of the insulation
should be a min. 8 mm.
After a tube has been insulated,
never try to bend it into a narrow
curve because it can cause the tube
to break or crack.
IMPORTANT
CAUTION
Wide tube
Thickness:
Min. 8 mm
Insulation
Narrow tube
Thickness:
Min. 8 mm
