LG FM15AH UL3 - Frequency Control

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Only for training and service purposes
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Part 3 Control logic
1.2 Inverter compressor starting
: Target Step calculation method
• Step A = Step 1 Frequency
• 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 A
Step B
Step C
Step D
Time (sec)
Step E
frequency