Table of Contents
SiUS341802E
1. Refrigerant Circuit .....................................................................................11
2. Functional Parts Layout ............................................................................17
3. Refrigerant Flow for Each Operation Mode...............................................22
Refrigerant Circuit
1.1 Outdoor Unit ............................................................................................... 11
1.2 Indoor Unit.................................................................................................. 14
1.3 Outdoor-Air Processing Unit....................................................................... 16
RXYQ72-120TAYCU.................................................................................. 17
RXLQ96/120TAYCU, RXYQ144/168TAYCU ............................................. 20
3.1 Cooling Operation ...................................................................................... 22
3.2 Heating Operation ...................................................................................... 23
3.3 Cooling Oil Return Operation ..................................................................... 24
3.4 Defrost Heating Oil Return Operation ........................................................ 25
Part 2
10
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