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SiEN18-622
Function
93
Part 5
Function
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
3. Special Control....................................................................................101
3.1
Startup Control .....................................................................................101
3.2
Oil Return Operation ............................................................................102
3.3
Defrosting Operation ............................................................................104
3.4
Pump-down Residual Operation ..........................................................105
3.5
Restart Standby....................................................................................105
3.6
Stopping Operation ..............................................................................106
4. Protection Control ...............................................................................107
4.1
High Pressure Protection Control.........................................................107
4.2
Low Pressure Protection Control..........................................................108
4.3
Discharge Pipe Protection Control .......................................................109
4.4
Inverter Protection Control ...................................................................110
4.5
Freeze-up Protection Control ...............................................................111
4.6
Dew Condensation Prevention Control ................................................112
5. Other Control.......................................................................................113
5.1
Demand Operation ...............................................................................113
5.2
Heating Operation Prohibition ..............................................................113
6. BP Unit Control ...................................................................................114
6.1
BP Unit Command Conversion ............................................................114
6.2
BP Unit Electronic Expansion Valve Control ........................................115
6.3
SH Control in Cooling Operation ..........................................................117
6.4
SC Control in Heating Operation..........................................................118
6.5
Heat Exchanger Isothermal Control in Heating Operation ...................118
7. Indoor Unit (RA Models)......................................................................119
7.1
Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing ........119
7.2
Fan Speed Control for Indoor Units......................................................120
7.3
Programme Dry Function .....................................................................121
7.4
Automatic Operation.............................................................................122
7.5
Thermostat Control...............................................................................123
7.6
Night Set Mode.....................................................................................124
7.7
ECONO Mode ......................................................................................125
7.8
MOLD PROOF Operation ....................................................................125
7.9
INTELLIGENT EYE (Wall Mounted Type Only) ...................................126
7.10 HOME LEAVE Operation .....................................................................128
7.11 Inverter POWERFUL Operation ...........................................................129
7.12 Other Functions....................................................................................130
8. Indoor Unit (SkyAir Models) ................................................................132
8.1
Function Outline ...................................................................................132
8.2
Electric Function Parts .........................................................................133
8.3
Function Details....................................................................................134
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 ...