Pioneer LISAS-B-1403 Service Manual page 113

For 18K units:
Compressor
4-way valve
Outdoor fan
Indoor fan
For 24K & 48K units:
Condition of defrosting:
T4
Time1
3℃
Time2
Time conditions:
time1
Time conditions(Meet the following conditions)
1.Running in heating mode
2. T4≥3℃
3. Compressor is on
4. T3≤TempEnterDefrost_ADD ℃
Cleared conditions (Meet any one of the following conditions)
1. Compressor is off.
2. T3＞TempEnterDefrost_ADD ℃
Time2
Time conditions (Meet the following conditions)
1.Running in heating mode
2. T4<3℃
3. Compressor is on
4. T3≤TempEnterDefrost_ADD ℃
Cleared conditions (Meet any one of the following conditions)
1. Compressor is off and T3＞TempEnterDefrost_ADD +2℃ last for 20 minutes
2. Running in cooling mode.
3. Compressor is off for 1 hour.
Electrical Control System
no longer than 10min
60s
on 10s F8
F2
on
on
on
off
breeze 10s
30s
off
on
off
on
off
on
Electrical Control Function
111