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Re: Ammonia refrigerator control by inverter
You should take the signal for inc/dec speed from the suction pressure.
1. start the compressor unloaded at minimum speed
2. increase the solenoids for cap step by step
3.when compressor is in 100% on the solenoids start inc speed step by step.
reverse for decreasing cap.
This will save many start stop and give you a very smooth operation, plus at minimum cap the compressor load would be next to nothing.-Cheers-
Tycho
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