4. REFRIGERANT FLOW DIAGRAM
19
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
Compressor
Accumulator
Wide tube
service
valve
Wide tube
O.D.
ø9.52 mm
(3/8 ")
O.D.
ø12.7 mm
(1/2 ")
Narrow
tube
service
valve
Narrow tube
O.D.
ø6.35 mm
(1/4")
Condenser
Capillary tube
Indoor Unit
Outdoor Unit
Evaporator
Muffler
or
Indoor Unit
SAP – K71GJA
SAP – K91GJA
SAP – K121GJA
Outdoor Unit
SAP – C71GA
SAP – C91GA
SAP – C91JA
SAP – C121GA
SAP – C121JA
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