Service manual

AEXM24HR
4 – 1
AEXM24HR
Service Manual
CHAPTER 4. REFRIGERATION CYCLE
[1] REFRIGERATION SYCLE
1. class indoor unit is connected UNITA
Figu re R efr igera tion Cy c le
INDOOR UNIT OUTDOOR UNIT
UNIT D
Heat exchanger
Heat exchanger
Heat exchanger
Heat exchanger
Heat exchanger
UNIT C
UNIT B
UNIT A
Expansionvalve D
STOP valve (Liquid)
Compressor
4-wa y valve
Accumulator
STOP valve (Gas)
Expansionvalve C
Expansionvalve B
ExpansionvalveA
1
4
2
3
3
3
3
Figure Flow of Refrigerant
INDOOR UNIT OUTDOOR UNIT
UNIT D
UNIT C
UNIT B
UNIT A
Cooling heating