LG Single "A" Service Manual page 54

Part 3 Control logic
1.2 Inverter compressor starting
: Target Step calculation method
• Step A = Step 1 Frequency (Min. frequency : 20~25Hz)
• Step B = (Step A + Target STEP) / 2
• Step C = (Step B + Target STEP) / 2
• Step D = (Step C + Target STEP) / 2
• Step E = (Step D + Target STEP) / 2
Target
frequency
(Hz)
Step E
frequency
Step D
Step C
Step B
Step A
Time (sec)
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