Panasonic KE18NB4U - Manual (Page 22)

Compressor
4-way
valve
Accumulator
High pressure
switch
Wide tube
service
valve
Wide tube
Narrow
tube
service
valve
Narrow tube
Heat e
xchanger
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 e
xchanger
Strainer
22