Sanyo SAP-CMRV1426EH Technical & Service Manual page 27

Outdoor Unit SAP-CMRV3146EH
Indoor unit
Wide tube
O.D.9.52mm
O.D.9.52mm
O.D.12.7mm
O.D.12.7mm
Narrow tube
O.D.6.35mm
O.D.6.35mm
O.D.6.35mm
O.D.6.35mm
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. 8 mm.
CAUTION
Service valve on
wide tube
DW
CW
BW
AW
Header
Service valve on
narrow tube
DN
CN
BN
AN
Strainer
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
Sub
accumulator
4-way
valve
Defrost valve
for hot gas bypass
Electric
expansion
valve
M
M
M
M
Header
Thickness:
Min. 8 mm
Wide tube
27
Main
accumulator
S
Insulation
Thickness:
Min. 8 mm
Narrow tube
Cooling cycle
Heating cycle
Defrosting cycle