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SiEN18-622
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 ...............................................................................................9
Part 2 Specifications .................................................................. 17
1. Specifications ........................................................................................18
1.1
Cooling Only...........................................................................................18
1.2
Heat Pump .............................................................................................34
Part 3 Printed Circuit Board Connector Wiring Diagram ........... 53
1. Printed Circuit Board Connector Wiring Diagram..................................54
1.1
Outdoor Unit ...........................................................................................54
1.2
BP Unit ...................................................................................................59
1.3
Wall Mounted Type 20/25/35 Class .......................................................60
1.4
Wall Mounted Type 50/60/71 Class .......................................................62
1.5
Duct Connected Type.............................................................................64
1.6
Floor / Ceiling Suspended Dual Type.....................................................66
1.7
Floor Standing Type ...............................................................................69
1.8
Ceiling Mounted Cassette 600×600 Type ..............................................72
1.9
Ceiling Mounted Cassette Type (950×950)............................................75
1.10 Ceiling Mounted Built-in Type ................................................................78
1.11 Ceiling Suspended Type ........................................................................80
Part 4 Refrigerant Circuit ........................................................... 83
1. Refrigerant Circuit .................................................................................84
1.1
Outdoor Units .........................................................................................84
1.2
BP Units .................................................................................................86
2. Functional Parts Layout ........................................................................87
2.1
Outdoor Units .........................................................................................87
3. Refrigerant Flow for Each Operation Mode...........................................88
3.1
Cooling Operation ..................................................................................88
3.2
Heating Operation ..................................................................................89
3.3
Cooling Oil Return Operation .................................................................90
3.4
Heating Oil Return Operation & Defrost Operation ................................91
Part 5 Function............................................................................ 93
1. Operation Mode ....................................................................................94
2. Basic Control.........................................................................................95
2.1
Normal Operation ...................................................................................95
2.2
Compressor PI Control...........................................................................96
2.3
Electronic Expansion Valve PI Control...................................................99
2.4
Cooling Operation Fan Control.............................................................100
Summary of Contents for FTKS50BVMB
Page 1: ...SiEN18 622 E Series Service Manual Applied Models zSuper Multi Plus Cooling Only Heat Pump ...
Page 105: ...Refrigerant Flow for Each Operation Mode SiEN18 622 92 Refrigerant Circuit ...
Page 157: ...Indoor Unit SkyAir Models SiEN18 622 144 Function ...
Page 312: ...SiEN18 622 Ceiling Mounted Cassette Type System Configuration 300 ...
Page 424: ...Method of Replacing The Inverter s Power Transistors Modules SiEN18 622 412 Troubleshooting ...
Page 446: ...Wiring Diagrams SiEN18 622 434 Appendix ...
Page 452: ...SiEN18 622 vi Index ...