3-1
3. ELECTRONIC CONTROLLER
3.1 Function table
●DECOS 3c (Daikin Electronic Controller Operation System)
(Note) [PC]: Functions using personal computer
No. Function division Function DECOS3c
1 Control function • Temperature control ✓
• Defrosting control ✓
• Humidity control Optional
2 Initial setting •
With/without optional equipment (USDA, humidity) and horse power selection
✓
• Chartless function setting ✓
3 Setting • Temperature ✓
• Defrosting interval ✓
• Humidity ✓
• [PC] --- Header information set of data logger ✓
4 Indication • Operating mode (compressor running, defrosting, ✓
(Display panel) in-range temperature, dehumidifying)
• Alarm ✓
• Return air temperature/set point temperature ✓
• Supply air temperature/set point temperature ✓
• Defrosting interval ✓
• Inside humidity/set point humidity Optional
• Ambient temperature ✓
• High pressure ✓
• Low pressure ✓
• Power supply voltage ✓
• Total operating current ✓
• Compressor operating current
• Evaporator inlet temperature ✓
• Evaporator outlet temperature ✓
• Discharge gas temperature ✓
• Compressor suction gas temperature ✓
• Suction modulating valve opening ✓
• Electronic expansion valve opening ✓
• Return air temperature (during PTI only) ✓
• Supply air temperature (during PTI only) ✓
• Pulp temperature (USDA #1, #2, #3) Optional
• Cargo temperature Optional
5 Self-diagnosis and • Sensor Return air temperature sensor ✓
automatic back-up Supply air temperature sensor ✓
Ambient temperature sensor ✓
High pressure sensor ✓
Low pressure sensor ✓
Voltage sensor ✓
Current sensor ✓
Evaporator inlet temperature sensor ✓
Evaporator outlet temperature sensor ✓
Discharge gas temperature sensor ✓
Compressor suction gas temperature sensor ✓
Humidity sensor Optional
Pulp temperature sensor Optional
Cargo temperature sensor Optional
Data recorder sensor Optional
• High pressure switch ✓
• Solenoid valve/hot gas modulating valve (leakage check) ✓
• Long defrosting ✓
• Over-voltage ✓
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