MCAC-VTSM-2014-04 R410A DC Inverter V4 Plus 50Hz
Troubleshooting 87
3. Main board parts instructions
3.1 SW1
Constraint Cooling
Once pressing the constraint cooling button (see the chart on the right), all the indoor unit will be on forced
cooling mode and the wind speed is HIGH.
3.2 SW2 query instructions:
Display content(Current frequency)
Outdoor unit itself capacity
Qty. setting of indoor units
Total requirement of indoor unit capacity
Total requirement of main unit corrected capacity
This outdoor unit actual operation capacity