LG L3UC482FA0 Service Manual page 43

Comp basic step.
Free joint outdoor unit has two compressor (TPS: Twin power system)
Step
Outdoor Operation Mode COMP 40%(1 comp) COMP 60%(1 comp)
48K
60K
• If overload Max. capacity, display error code in indoor unit.
• Qs: Summation of indoor unit capacity, 'S' is summation.
Max. capacity
Outdoor
Step 1
Cooling
Heating
Qs ≤ 12k
Cooling
Qs ≤ 12k
Heating
48k
60k
Step 2
Qs ≤ 12k
-
Qs ≤ 12k
-
Qs ≤ 24k
Qs ≤ 24k
Cycle Troubleshooting Guide
Step 3
COMP 100%(2 comp)
24k ≤ Qs
24k ≤ Qs
24k < Qs
24k < Qs
Max capacity
48k combination
60k combination
Service Manual 43