Refrigerant Flow Diagram - Sanyo SAP-KRV91EH Technical & Service Manual

4. REFRIGERANT FLOW DIAGRAM

4-1. Refrigerant Flow Diagram
Indoor unit SAP-KRV91EH
Outdoor unit SAP-CRV91EH
Compressor
EM valve
Capillary
tube for distribution
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 condensa-
tion, both tubes must be well insulated with a proper insu-
lation material. The thickness of the insulation should be a
minimum 8 mm.
CAUTION
Outdoor unit
Accumulator
4-way valve
Electronic expansion valve
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.
Wide tube
service valve
Muffler
Narrow tube
service valve
Modulator
Strainer
Thickness:
Min. 8 mm
8
Indoor unit
ø9.52
Wide tube
nipple
Indoor heat
exchanger
ø6.35
Narrow tube
nipple
Insulation
Wide tube
Cooling cycle
Heating cycle
Defrosting
Thickness:
Min. 8 mm
Narrow tube