Refrigerant Flow Diagram - Panasonic CS-KE12NB41 Technical & Service Manual

4. REFRIGERANT FLOW DIAGRAM

4-1. Refrigerant Flow Diagram
Indoor Unit CS-KE12NB41 & CZ-18BT1U
Indoor unit
Outdoor Unit CU-KE12NK1
Wide tube
service
Wide tube
valve
Muffler
O.D.
3/8"
(9.52 mm)
Narrow
tube
service
Narrow tube
valve
Strainer
O.D.
1/4"
(6.35 mm)
21
Outdoor unit
Accumulator
High pressure
switch
H.P.
4-way
valve
Capillary
tube for
Electric split flow
expansion
valve
M
Muffler
Cooling cycle
(Defrosting cycle)
Heating cycle