LG ARUV Series Service Manual page 202

Function
2.1.3 Compressor stage during oil return control defrost control
Compressor stage at normal oil return state
2 unit combination : 60Hz + stage 2
3 unit combination : 60Hz + stage 3
High pressure limit
Pressure range
High pressure ≥ 3546 kpa
High pressure < 3284 kpa
Low pressure limit
Pressure range
Low pressure ≤ 229 kpa
Low pressure ≥ 242 kpa
Comp. combination during defrost control
Before 70sec.
1unit(half size) minimum Hz
1 unit
2 unit
3 unit
constant comp.1
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Only for training and service purposes
Compressor combination
Refer to combination table
Normal
Compressor combination
Refer to combination table
Normal
Pressure limit
after 70sec.
60 Hz
50 Hz 80 Hz
45 Hz +
45 Hz
constant comp.1
45 Hz + 45 Hz +
constant comp.2
Normal
Before 70sec.
50 Hz
60 Hz
60 Hz +
constant comp.1
60 Hz +
constant comp.2
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after 70sec.
80 Hz
60 Hz +
constant comp.1
60 Hz +
constant comp.2
60 Hz +
constant comp.3
LGE Internal Use Only