Table Of Contents - Daikin RXYSQ4-5-6PA7V1B Service Manual

SiBE34-802
1. Introduction ............................................................................................v
Part 1 General Information ........................................................... 1
1. Model Names of Indoor/Outdoor Units....................................................2
2. External Appearance...............................................................................3
3. Capacity Range.......................................................................................4
Part 2 Specifications .................................................................... 5
1. Specifications ..........................................................................................6
Part 3 List of Electrical and Functional Parts............................ 29
1. List of Electrical and Functional Parts ...................................................30
Part 4 Refrigerant Circuit ........................................................... 39
1.
2. Functional Parts Layout ........................................................................44
Part 5 Function............................................................................ 47
1.
2.
3.

Table of Contents

1.1 Safety Cautions ........................................................................................v
1.2 PREFACE ............................................................................................... ix
2.1 Indoor Units ..............................................................................................3
1.1 Outdoor Units ...........................................................................................6
1.2 Indoor Units ............................................................................................10
1.1 Outdoor Unit ...........................................................................................30
1.2 Indoor Unit..............................................................................................32
Refrigerant Circuit .................................................................................40
1.1 Outdoor Unit ...........................................................................................40
2.1 RXYSQ4 / 5 / 6PA7Y1B .........................................................................44
2.2 RXYSQ4 / 5 / 6PA7V1B .........................................................................45
Operation Mode ....................................................................................48
Basic Control.........................................................................................49
2.1 Normal Operation ...................................................................................49
2.2 Compressor PI Control...........................................................................50
2.3 Electronic Expansion Valve PI Control...................................................51
2.4 Cooling Operation Fan Control...............................................................52
Special Control......................................................................................53
3.1 Startup Control .......................................................................................53
3.2 Oil Return Operation ..............................................................................54
3.3 Defrosting Operation ..............................................................................56
3.4 Pump-down Residual Operation ............................................................57
R-410A
Heat Pump
50Hz
i