Compressor
4-way
valve
Accumulator
High pressure
switch
Wide tube
service
valve
Wide tube
Narrow
tube
service
valve
Narrow tube
Heat exchanger
Muffler
Capillary
tube for
split flow
Cooling cycle
(Defrosting cycle)
Heating cycle
Indoor unit Outdoor unit
Electric
expansion
valve
Strainer
M
O.D.
1/2"
(12.7mm)
O.D.
1/4"
(6.35 mm)
H.P.
Indoor Unit CS-KE18NB4UW & CZ-18BT1U Outdoor Unit CU-KE18NKU
Heat exchanger
Strainer
22