Daikin REYQ42P8Y1B [2/494] Functional parts layout 3

SiBE37-704_A

i Table of Contents

R-410A Heat Recovery

50Hz

1. Introduction ............................................................................................ vi

1.1 Safety Cautions ....................................................................................... vi

1.2 PREFACE ................................................................................................x

Part 1 General Information ........................................................... 1

1. Model Names of Indoor/Outdoor Units....................................................2

2. External Appearance...............................................................................3

2.1 Indoor Units ..............................................................................................3

2.2 Outdoor Units ...........................................................................................4

3. Combination of Outdoor Units.................................................................5

4. Model Selection.......................................................................................6

Part 2 Specifications .................................................................... 9

1. Specifications ........................................................................................10

1.1 Outdoor Units .........................................................................................10

1.2 Indoor Units ............................................................................................21

1.3 BS Units .................................................................................................59

Part 3 Refrigerant Circuit ........................................................... 60

1. Refrigerant Circuit .................................................................................61

1.1 REYQ8P, 10P, 12P ................................................................................61

1.2 REYQ14P, 16P ......................................................................................63

1.3 REMQ8P (Multi 8HP) .............................................................................65

1.4 REMQ10P, 12P (Multi 10, 12HP)...........................................................67

1.5 REMQ14P, 16P (Multi 14, 16HP)...........................................................69

1.6 BS Unit Functional Parts ........................................................................71

1.7 Indoor Units ............................................................................................72

2. Functional Parts Layout ........................................................................73

2.1 REYQ8P, 10P, 12P ................................................................................73

2.2 REYQ14P, 16P ......................................................................................74

2.3 REMQ8P ................................................................................................75

2.4 REMQ10P, 12P......................................................................................76

2.5 REMQ14P, 16P......................................................................................77

3. Refrigerant Flow for Each Operation Mode...........................................78

Part 4 Function.......................................................................... 105

1. Function General.................................................................................106

1.1 Symbol .................................................................................................106

1.2 Operation Mode....................................................................................108

2. Basic Control.......................................................................................109

2.1 Normal Operation .................................................................................109

2.2 Compressor PI Control.........................................................................110