Refrigerant Flow Diagram - Argo AWI55AHL Technical & Service Manual

4. REFRIGERANT FLOW DIAGRAM

4-1. Refrigerant Flow Diagram
Indoor Unit AWI55AHL
Outdoor Unit AEI55AH
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. 8 mm.
CAUTION
AWI70AHL
AEI70AH
Wide tube
*1
Narrow tube
O.D.
6.35 mm
(1/4")
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
Wide tube
service
valve
Muffler
Narrow
tube
service
valve
Strainer
*1 O.D.12.70mm (1/2") ... 55 class
O.D.15.88mm (5/8") ... 70 class
Thickness:
Min. 8 mm
16
Accumulator
4-way
valve
Capillary
tube for
Electric split flow
expansion
valve
M
Insulation
Wide tube
Cooling cycle
(Defrosting cycle)
Heating cycle
Thickness:
Min. 8 mm
Narrow tube