Daikin RQYQ16PY1 [2/194] Combination of outdoor units 4 capacity range

Si341009

i Table of Contents

R-410A Heat Pump /

Heat Recovery 50Hz

1. Introduction ............................................................................................iv

1.1 Safety Cautions ....................................................................................... iv

1.2 PREFACE ............................................................................................. viii

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

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

1.1 Indoor Units ..............................................................................................2

1.2 Outdoor Units ...........................................................................................3

1.3 Air Treatment Equipment .........................................................................3

2. External Appearance...............................................................................4

2.1 Indoor Units ..............................................................................................4

2.2 Outdoor Units ...........................................................................................5

2.3 Air Treatment Equipment .........................................................................5

3. Combination of Outdoor Units.................................................................6

4. Capacity Range.......................................................................................7

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

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

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

Part 3 Refrigerant Circuit ........................................................... 21

1. Refrigerant Circuit .................................................................................22

1.1 RQYQ8PY1 ............................................................................................22

1.2 RQYQ10·12PY1 .....................................................................................24

1.3 RQYQ14·16PY1 .....................................................................................26

2. Functional Parts Layout ........................................................................28

2.1 RQYQ8PY1 ............................................................................................28

2.2 RQYQ10·12PY1 .....................................................................................29

2.3 RQYQ14·16PY1 .....................................................................................30

3. Refrigerant Flow for Each Operation Mode...........................................31

3.1 RQYQ8~16PY1 ......................................................................................31

Part 4 Function............................................................................ 34

1. Function General...................................................................................35

1.1 Operation Mode......................................................................................35

2. Detailed Control Functions....................................................................36

2.1 Stop Operation .......................................................................................36

2.2 Standby ..................................................................................................36

2.3 Startup Control .......................................................................................37

2.4 Normal Operation ...................................................................................38

2.5 Protection Control...................................................................................42

2.6 Special Control .......................................................................................48