Daikin VRV EMERION RXYQ-AATJA, Service Manual

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SiUS342303E
i Table of Contents
Introduction ....................................................................................... 1
1. Safety Cautions...........................................................................................2
1.1 Warnings and Cautions Regarding Safety of Workers................................. 2
1.2 Warnings and Cautions Regarding Safety of Users..................................... 4
2. Icons Used ..................................................................................................7
3. Revision History ..........................................................................................8
Part 1 General Information ............................................................... 9
1. Model Names ............................................................................................10
1.1 Outdoor Unit ............................................................................................... 10
1.2 Indoor Unit.................................................................................................. 11
1.3 Air Treatment Equipment ........................................................................... 11
2. External Appearance.................................................................................12
2.1 Outdoor Unit ............................................................................................... 12
2.2 Indoor Unit.................................................................................................. 14
2.3 Air Treatment Equipment ........................................................................... 15
3. Combination of Outdoor Units...................................................................16
4. Capacity Range.........................................................................................17
4.1 Connection Ratio........................................................................................ 17
4.2 Outdoor Unit Combinations ........................................................................ 18
5. Specifications ............................................................................................19
5.1 RXYQ-AATJA............................................................................................. 19
5.2 RXYQ-AAYDA............................................................................................ 28
Part 2 Refrigerant Circuit................................................................ 37
1. Refrigerant Circuit (Piping Diagrams) .......................................................38
1.1 Outdoor Unit ............................................................................................... 38
1.2 Indoor Unit.................................................................................................. 43
1.3 Indoor Low-Temperature Hydrobox ........................................................... 45
1.4 Outdoor-Air Processing Unit....................................................................... 46
2. Functional Parts Layout ............................................................................47
2.1 RXYQ72AA ................................................................................................ 47
2.2 RXYQ96/120AA ......................................................................................... 49
2.3 RXYQ144/168AA ....................................................................................... 51
2.4 RXYQ192/216/240AA ................................................................................ 53
3. Refrigerant Flow for Each Operation Mode...............................................55
3.1 RXYQ72AA ................................................................................................ 55
3.2 RXYQ96/120/144/168AA ........................................................................... 59
3.3 RXYQ192/216/240AA ................................................................................ 63
Part 3 Remote Controller ................................................................ 67
1. Applicable Models .....................................................................................68
2. Names and Functions ...............................................................................69
2.1 BRC1E73 ................................................................................................... 69
2.2 BRC1H71W................................................................................................ 72