When T1-Ts≤0℃, the indoor fan will run at medium speed.
8.4.3.4 High evaporator coil temp.T2 protection:
For 21k,24k models:
For other models:
8.4.3.5 Defrosting mode
For 7k,12k, MSR1-09HRN1-QC2, MSR1-09HRN1-QB6(A)models(except MSR1-07HRN1-QB6(A))
MSR1-16HRN1-QC2,MSR1-18HRN1-QB6 models:
Condition of defrosting:
AC will enter defrosting mode if any of the following items is satisfied.
(1) Both A and B are satisfied
A: The compressor keeps running for 40 minutes.
B: The evaporator coil temp.T2-Indoor room temp.T1 meets the below table.