– 3 –
R E F R I G E R A N T S Y S T E M D I A G R A M
3-Way valve
(with charging port)
4-Way
valve
Condenser
Capillary tube
for heating and cooling
Heating
Cooling
2-Way valve
Check
valve
Capillar
y tube f
or heating
(Flare connection)
Gas pipe (12.7 dia.)
(Flare connection)
(Flare connection)
Liquid pipe (6.35 dia.)
(Flare connection)
[ INDOOR UNIT ]
[ OUTDOOR UNIT ]
[ Connecting pipe ]
Evaporator
Com-
pressor
3-Way valve
(with charging port)
Muffler
4-Way
valve
Condenser
Strainer
Strainer
Capillary tube
for heating and cooling
2-Way valve
Check
valve
Capillar
y tube f
or heating
(Flare connection)
Gas pipe (9.52 dia.)
(Flare connection)
(Flare connection)
Liquid pipe (6.35 dia.)
(Flare connection)
[ INDOOR UNIT ]
[ OUTDOOR UNIT ]
[ Connecting pipe ]
Evaporator
Com-
pressor
Models : ASU9R1A / AOU9R1
Models : ASU12R1A / AOU12R1
