Refrigerant Flow Diagram - Sanyo CH0971 Technical & Service Manual

4. REFRIGERANT FLOW DIAGRAM

4-1. Refrigerant Flow Diagram
Indoor Unit KHS0971
KHS1271
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).
After a tube has been insulated,
never try to bend it into a narrow
CAUTION
curve because it can cause the tube
to break or crack.
Outdoor Unit CH0971
Wide tube
service
Wide tube
valve
Muffler
O.D.
3/8"
(9.52 mm)
Narrow
tube
service
Narrow tube valve
Strainer
O.D.
1/4"
(6.35 mm)
15
CH1271
Outdoor unit
Accumulator
High pressure
switch
H.P.
4-way
valve
Capillary
tube for
Electric
split flow
expansion
valve
M
Muffler
Thickness:
Min. 5/16"(8 mm)
Wide tube
Cooling cycle
(Defrosting cycle)
Heating cycle
Insulation
Thickness:
Min. 5/16"(8 mm)
Narrow tube