V4+R VRF 50/60Hz 
201608    47 
Part 5 - Diagnosis and Troubleshooting 
Table 5-2.3: SW2 system check (continued) 
Parameters displayed on DSP2 
Outdoor unit output metric (this unit) 
Average indoor heat exchanger mid-point temperature (°C) 
Actual value = value displayed 
Average indoor heat exchanger outlet temperature (°C) 
Actual value = value displayed 
Outdoor heat exchanger temperature (°C) (Left) 
Actual value = value displayed 
Outdoor heat exchanger temperature (°C) (Right) 
Actual value = value displayed 
Outdoor ambient temperature (°C) 
Actual value = value displayed 
Inverter compressor A discharge temperature (°C) 
Actual value = value displayed 
Inverter compressor B discharge temperature (°C) 
Actual value = value displayed 
Main inverter module temperature (°C) 
Actual value = value displayed 
Saturation temperature (°C) corresponding to the discharge pressure 
Actual value = value displayed + 30 
Discharge superheat (lowest of all units) (°C) 
Actual value = value displayed 
Inverter compressor A current (A) 
Actual value = value displayed 
Inverter compressor B current (A) 
Actual value = value displayed 
Outdoor heat exchanger operating modes 
Steps = value displayed × 8 
Steps = value displayed × 8 
Compressor discharge pressure (MPa) 
Actual value = value displayed × 0.1 
Number of indoor units currently in communication with master unit 
Actual value = value displayed 
Number of indoor units currently operating in cooling mode 
Actual value = value displayed 
Number of indoor units currently operating in heating mode 
Actual value = value displayed 
Actual value = value displayed × 10 
Actual value = value displayed × 10 
Most recent error or protection code 
000 is displayed if no error or protection events 
have occurred since start-up 
Notes: 
1.  Outdoor unit capacity setting: 
  0: 8HP; 1: 10HP; 2: 12HP; 3: 14HP; 4: 16HP 
2.  Operating mode:   
  0: off; 2: cooling; 3: heating; 4: forced cooling; 5: Mixed cooling; 6: Mixed heating. 
3.  Fan speed is adjusted in steps. The fan speed index ranges from 0 (off) to 15 (maximum). 
4.  Outdoor heat exchanger operating modes (left/right): 0: off/condenser; 1: evaporator/evaporator; 2: evaporator/condenser; 3: evaporator/off. 
5.  Silent mode:   
  0: night silent mode; 1: silent mode; 2: super silent mode; 3: no silent mode. 
6.  Static pressure mode:   
  0: standard static pressure; 1: low static pressure; 2: medium static pressure; 3: high static pressure.