Panasonic KS12NB41A - Manual (Page 27)

Wide tube
Narrow tube
Indoor unit
O.D.
1/2"
(12.7mm)
O.D.
1/4"
(6.35 mm)
Indoor Unit CS-KS18NB4UW & CZ-18BT1U Outdoor Unit CU-KS18NKU
CU-KS18NKUA
Heat exchanger
Strainer
Compressor
Accumulator
Wide tube
service
valve
Narrow
tube
service
valve
Heat exchanger
Muffler
Cooling cycle
Outdoor unit
Electric
expansion
valve
M
H.P.
High pressure
switch
27