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Refrigerant system diagram – Friedrich MW18Y3H User Manual

Page 5

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REFRIGERANT

SYSTEM DIAGRAM

3-Way valve
(Small)

3-Way valve
(Large)

Strainer

Strainer

Muffler

Pressure
switch

4-Way valve

Expansion
valve

Heat exchanger

( INDOOR )

Heat exchanger

( OUTDOOR )

Sub-accumulator

Compressor

Refrigerant pipe diameter
Liquid : 3/8" (9.52 mm)
Gas : 5/8" (15.88 mm)

Cooling flow
Heating flow

2010.02.08

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