Daikin D-Series - Part 2 Specifications; 1. Specifications; 1.1 Cooling Only; 1.2 Heat Pump

Si18-525B
Table of Contents iii
1. Introduction .......................................................................................... viii
1.1 Safety Cautions..................................................................................... viii
1.2 Used Icons ............................................................................................. xii
Part 1 List of Functions ................................................................ 1
1. List of Functions......................................................................................2
1.1 Cooling Only.............................................................................................2
1.2 Heat Pump .............................................................................................13
Part 2 Specifications .................................................................. 21
1. Specifications........................................................................................22
1.1 Cooling Only...........................................................................................22
1.2 Heat Pump .............................................................................................42
Part 3 Printed Circuit Board Connector Wiring Diagram ........... 59
1. Printed Circuit Board Connector Wiring Diagram..................................60
1.1 Outdoor Unit...........................................................................................60
1.2 Branch Provider Unit ..............................................................................66
1.3 Wall Mounted Type ................................................................................67
1.4 Duct Connected Type.............................................................................76
1.5 Floor / Ceiling Suspended Dual Type.....................................................78
1.6 Floor Standing Type...............................................................................81
1.7 Ceiling Mounted Cassette Type (600×600)............................................84
1.8 Ceiling Mounted Cassette Type (950×950)............................................87
1.9 Ceiling Mounted Built-in Type ................................................................90
1.10 Ceiling Suspended Type ........................................................................92
Part 4 Refrigerant Circuit ........................................................... 95
1. Refrigerant Circuit .................................................................................96
1.1 Outdoor Units .........................................................................................96
1.2 BP Units .................................................................................................98
2. Functional Parts Layout ........................................................................99
2.1 Outdoor Units .........................................................................................99
3. Refrigerant Flow for Each Operation Mode.........................................100
3.1 Cooling Operation ................................................................................100
3.2 Heating Operation ................................................................................101
3.3 Cooling Oil Return Operation ...............................................................102
3.4 Heating Oil Return Operation & Defrost Operation ..............................103
Part 5 Function.......................................................................... 105
1. Operation Mode ..................................................................................107
2. Basic Control.......................................................................................108
2.1 Normal Operation.................................................................................108
2.2 Compressor PI Control.........................................................................109
2.3 Electronic Expansion Valve PI Control.................................................112
2.4 Cooling Operation Fan Control.............................................................113