LG LM-1830C2L Service Manual page 44

Comp basic step.
Free joint outdoor unit has two compressor (TPS: Twin power system)
Step
Outdoor Operation Mode
18k(Max. 19k) Cooling
Heating
21k(Max. 23k) Cooling
Heating
30k(Max. 33k) Cooling
Heating
If overload Max. capacity, display error code in indoor unit.
Max. capacity
Outdoor
Step 1
COMP 40%(B)only
Qs<=7k
Qs<=9k
Qs<=12k
Qs<=12k
14k
18k
21k
30k
Step 2
COMP 60%(A)only
Qs<=12k
- Qs<=9k
Qs<=12k
- Qs<=9k
Qs<=19k
Qs<=19k
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Step 3
COMP 100%(A+B) together
12k<Qs
12k<Qs
12k<Qs
12k<Qs
19k<Qs
19k<Qs
Max capacity
14k combination
19kcombination
23k combination
33k combination