LG General Wall Mounted-Inverter Type - Manual (Page 28)

28 Room Air Conditioner
Part 2 Functions & Controls
5.12 Low Ambient control
5.12.1 9,12kBtu/h Model
• If outdoor temperature drops below certain temperature, liquid back is prevented by reducing fan speed.
• It can prevent frosting of evaporator and keep cooling operation
• No matter even if the outdoor temperature reaches -10°C(14°F).
• You can Cool your room at your desired temperature all year around.
Freq.
0
°C(32°F) °… Outdoor temp.
Outdoor pipe temp.
0
°C outdoor fan On/Off
control
°
Comp Freq.
Outdoor fan
On On
Off Off
Outdoor temp.:-10 °C(14°F)
-5(23 °F)
0(32 °F)
5(41 °F)
10(50 °F)
15(59 °F)
20(68 °F)
25(77 °F)
0 50 100 150 200
Time(Min.)
Temp.(
°C)
Outdoor fan On/Off control
Cond . temp.
5.12.2 18, 24, 30kBtu/h Model
Low ambient cooling case : In this situation outdoor fan works in ON/OFF control.
: If the pipe temperature 0°C(32°F) and it is falling rapidly in that case compressor will run for 5 min & then it will
go in low ambient control. ( ❈ Temp. value can be different for each model.)
❈ After the system is stopped by CT cut or heat sink cut-off then the cycle returns to the normal condtiond control.
(T1 = 0)
°C
(T2 = 0)
°C
Outdoor pipe temp
O/D fan Set speed Off Off Set speed Set speed