Enhanced Comfort; Intelligent Soft Start Technology; Night Silent Operation Mode; Intelligent Defrosting Raises Heat Capacity - Midea VRF V4 Plus I Series Manual

MCAC-VTSM-2014-04

3.3 Enhanced comfort

3.3.1 Intelligent soft start technology

3.3.2 Night silent operation mode

Midea's Night Silent Mode feature which is easily set on the PCB board allows the unit to be set to
vary time options during Non-Peak and Peak operation time optimizing the units noise output.
Extra silent operation mode can reduce sound level further, minimum 46.8dB (A).
Night silent operation will be activated X hours after the peak temperature during daytime, and it
will go back to normal operation after Y hours.
Model 1→X: 6 hours, Y: 10 hours
Model 3→X: 6 hours, Y: 12 hours
100
50
noise
08:00
Notes:
This function can be activated by setting at site. Temperature (load) curve shown in the graph is just an example.

3.3.3 Intelligent defrosting raises heat capacity

6
DC inverter compressor soft start function reduces strike to the
electric network. This kind of high-performance and low sound scroll
compressor operates at a faster rate when starting, reducing start-up
time. It also helps the unit to quickly adjust the room temperature to
the set level.
Peak value of ambient temp.
14:00
defrost
R410A DC Inverter VRF V4 Plus Individual Series 50Hz
Model 2→X: 8 hours, Y: 10 hours
Model 4→X: 8 hours, Y: 8 hours
10hrs 10hrs
8hrs 8hrs
Night silent Mode Night silent Mode
Max.-10dB(10Hp) Max.-10dB(10Hp)
Start Start
22:00
End End
08:00
General Information