![](http://pdfasset.owneriq.net/7/74/7741e6f0-83b1-4c56-be52-3b3627606807/7741e6f0-83b1-4c56-be52-3b3627606807-bg12.png)
Wide tube
service
valve
Wide tube
Narrow
tube
service
valve
Narrow tube
Heat exchanger
Heat exchanger
Cooling cycle
Indoor unit Outdoor unit
Electric
expansion
valve
Strainer
M
O.D
5/8"
(15.88 mm)
O.D.
3/8"
(9.52 mm)
4. REFRIGERANT FLOW DIAGRAM
4-1. Refrigerant Flow Diagram
Indoor Unit CS-KS30NKU
CS-KS36NKU
Outdoor Unit CU-KS30NKUA
CU-KS36NKUA
Compressor
Main
Accumulator
Sub
Accumulator
Muffler
H.P.
High pressure
switch
18