Panasonic KE18NB4U - Manual (Page 21)

Compressor
Accumulator Wide tube
service
valve
Wide tube
Narrow
tube
service
valve
Narrow tube
Heat e
xchanger
Heat e
xchanger
Muffler
Capillary
tube for
split flow
Cooling cycle
(Defrosting cycle)
Heating cycle
Indoor unit Outdoor unit
Electric
expansion
valve
Strainer
Strainer
M
Muffler
O.D.
3/8"
(9.52 mm)
O.D.
1/4"
(6.35 mm)
4-way
valve
High pressure
switch
H.P.
4. REFRIGERANT FLOW DIAGRAM
4-1. Refrigerant Flow Diagram
Indoor Unit CS-KE12NB41 & CZ-18BT1U Outdoor Unit CU-KE12NK1
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