Mitsubishi FDT100VNXWVH Service Manual page 4

Hyper inverter packaged air-conditioners
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(34) Auto fan speed control (RC-EX3A only) .................................................... 29
(35) Indoor unit overload alarm (RC-EX3A only) .............................................. 29
(36) Peak-cut timer (RC-EX3A only) ................................................................. 29
(37) Motion sensor control (RC-EX3A and RCN-E2 only) ................................ 30
(Ⅱ) SRK Seris .................................................................................................. 32
(1) Unit ON/OFF button .................................................................................. 32
(2) Auto restart function .................................................................................. 32
(3) Auto swing control ..................................................................................... 33
(4) Timer operation ......................................................................................... 34
(5) Outline of heating or cooling operation...................................................... 35
(6) Indoor fan motor protection ....................................................................... 35
(7) Serial signal transmission error protection ................................................ 35
(8) Plural unit control - Control of 16 units group by one remote control ........ 35
(9) Filter sign ................................................................................................... 36
(10) Outline of automatic operation .................................................................. 36
(11) Frost prevention control ............................................................................. 37
(12) Dew prevention control ............................................................................. 37
(13) Outline of dehumidifying (DRY) operation ................................................. 39
1.1.4 Operation control function by the outdoor control ............................ 40
(1) Determination of comressor speed (Frequency) ....................................... 40
(2) Compressor start control ........................................................................... 40
(3) Compressor soft start control .................................................................... 41
(4) Outdoor fan control.................................................................................... 42
(5) Defrost operation ....................................................................................... 44
(6) Protective control/anomalous stop control by compressor's number of revolutions ..... 45
(7) Silent mode ............................................................................................... 49
(8) Test run ...................................................................................................... 49
(9) Pump-down control ................................................................................... 49
(10) Base heater ON/OFF output control (Option)............................................ 50
(11) Manual defrost ........................................................................................... 50
(12) Limit the number of compressor start ........................................................ 50
1.2 MAINTENANCE DATA ................................................................................... 51
1.2.1 Diagnosing of microcomputer circuit .................................................. 51
(1) Selfdiagnosis function ................................................................................. 51
(2) Troubleshooting procedure.......................................................................... 56
(3) Troubleshooting at the indoor unit ............................................................... 56
(4) Troubleshooting at the outdoor unit ............................................................. 68
(5) Check of anomalous operation data with the remote control ...................... 73
(6) Power transistor module (Including the driver PCB) inspection procedure ... 75
(7) Inverter checker for diagnosis of inverter output ......................................... 76
(8) Outdoor unit control failure diagnosis circuit diagram ................................. 77
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'20 • PAC-SM-351

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