Table Of Contents; Part 5 Function - Daikin R-410A Service Manual

SiBE39-402A
1. Introduction ............................................................................................ vi
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............................ 27
1. List of Electrical and Functional Parts ...................................................28
Part 4 Refrigerant Circuit ........................................................... 33
1. Refrigerant Circuit .................................................................................34
2. Functional Parts Layout ........................................................................36
Part 5 Function............................................................................ 37
1. Operation Mode ....................................................................................38
2. Basic Control.........................................................................................39
3. Special Control......................................................................................43
4. Protection Control .................................................................................51

Table of Contents

R410A Heat Pump
1.1 Safety Cautions ....................................................................................... vi
2.1 Indoor Units ..............................................................................................3
1.1 Outdoor Units ...........................................................................................6
1.2 Indoor Units ..............................................................................................8
1.1 Outdoor Unit ...........................................................................................28
1.2 Indoor Unit..............................................................................................29
1.1 RXYSQ4·5·6M........................................................................................34
2.1 RXYSQ4·5·6M........................................................................................36
2.1 Normal Operation ...................................................................................39
2.2 Compressor PI Control...........................................................................40
2.3 Electronic Expansion Valve PI Control...................................................41
2.4 Cooling Operation Fan Control...............................................................42
3.1 Startup Control .......................................................................................43
3.2 Oil Return Operation ..............................................................................44
3.3 Defrosting Operation ..............................................................................46
3.4 Pump-down Residual Operation ............................................................47
3.5 Restart Standby......................................................................................48
3.6 Stopping Operation ................................................................................49
3.7 Pressure Equalization Prior to Startup ...................................................50
4.1 High Pressure Protection Control...........................................................51
4.2 Low Pressure Protection Control............................................................52
50Hz
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