Mitsubishi Heavy Industries MHI FDU71VNXVF1 Technical Manual page 183

(13) Operation check/drain pump test run operation mode
(14) Cooling, dehumidifying frost protection ................................................255
(15) Heating overload protection
(16) Anomalous fan motor
(17) Plural unit control - Control of 16 units group by one remote control ..............256
(18) High ceiling control
(19) Abnormal temperature thermistor (return air/indoor heat exchanger) wire/short-circuit detection
(20) External input/output control (CnT or CnTA)
(21) Operation permission/prohibition
(22) Selection of cooling/heating external input function
(23) Fan control at heating startup
(24) Room temperature detection temperature compensation during heating
(25) Return air temperature compensation
(26) High power operation (RC-EX1A only)
(27) Energy-saving operation (RC-EX1A only)
(28) Warm-up control (RC-EX1A only)
(29) Home leave mode (RC-EX1A only)
(30) Auto temp. setting (RC-EX1A only)
(31) Fan circulator operation (RC-EX1A only)
(32) The operation judgment is executed every 5 minutes (RC-EX1A only)
(33) Auto fan speed control (RC-EX1A only)
(34) IU overload alarm (RC-EX1A only)
2.10.4 Operation control function by the outdoor control
(1) Determination of compressor speed (frequency) ..................................263
(2) Compressor start control ......................................................................263
(3) Compressor soft start control ...............................................................264
(4) Outdoor unit fan control
(5) Defrosting .............................................................................................267
(6) Protective control/anomalous stop control by compressor
(7) Silent mode ..........................................................................................271
(8) Test run ................................................................................................271
(9) Pump-down control
(10) Base heater ON/OFF output control (option)
2.11 MAINTENANCE DATA ...............................................................................273
2.11.1 Diagnosing of microcomputer circuit
(1) Selfdiagnosis function
(2) Troubleshooting procedure
(3) Troubleshooting at the indoor unit
(4) Troubleshooting at the outdoor unit
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s number of revolutions ......268
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'12 • PAC-T-178
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