Refrigerant Flow Diagram - Sanyo KS1872 Technical & Service Manual

4. REFRIGERANT FLOW DIAGRAM

4-1. Refrigerant Flow Diagram
Indoor Unit KS1872
KS2472
Indoor unit
Insulation of Refrigerant Tubing
IMPORTANT
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. 5/16"(8 mm).
CAUTION
Wide tube
*1
Narrow tube
O.D.
1/4"
(6.35 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.
Outdoor Unit C1872
CL1872 CL2472
Outdoor unit
Wide tube
service
valve
Muffler
Narrow
tube
service
valve
*1 O.D.1/2"(12.7mm) ... 1872 class
O.D.5/8"(15.88mm) ... 2472 class
Thickness:
Min. 5/16"(8 mm)
24
C2472
Accumulator
High pressure
switch
H.P.
Electric
expansion
valve
M
Insulation
Narrow tube
Wide tube
Cooling cycle
Thickness:
Min. 5/16"(8 mm)