Friedrich MW18Y3F - Manual (Page 4)

REFRIGERANT SYSTEM DIAGRAM
2-Way
valve
Strainer
Strainer
Sub-heat
exchanger
( INDOOR )
3-Way
valve
Muffler
4-Way valve
Expansion valve
Heat exchanger
( INDOOR )
Heat exchanger
( OUTDOOR )
S
ub
-a
cc
um
ul
at
or
C
om
pr
es
so
r
Cooling
Heating
Refrigerant pipe diameter
Liquid : 1/4" (6.35 mm)
Gas : 1/2" (12.7 mm)
Model : MW18Y3F / MR18Y3F
2006.02.20 3