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Black Max Hints: Difference between revisions
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* The unit does not validate proper operation, best to add an inline hygrometer as described in section [[Engine_Dehydration#Accessories]]. The hygrometer should show 10% or less humidity during operation. | * The unit does not validate proper operation, best to add an inline hygrometer as described in section [[Engine_Dehydration#Accessories]]. The hygrometer should show 10% or less humidity during operation. | ||
* The Peltier element may become weak which leads to improper dehydration (e.g. going down to only 30%). To validate proper cooling, open the device (caution: 120V inside, also on the PCB) and measure the voltage of the temperature sensor between the black (BL) and white (WH) wires<br>[[File:Screen Shot 2023-07-08 at 12.18.30 AM.png|400x400px]]<br>The voltage must be lower than 0.6 volts in the cooling cycle. If above 0.6V, please contact customer support. | * The Peltier element may become weak which leads to improper dehydration (e.g. going down to only 30%). To validate proper cooling, open the device (caution: 120V inside, also on the PCB) and measure the voltage of the temperature sensor between the black (BL) and white (WH) wires<br>[[File:Screen Shot 2023-07-08 at 12.18.30 AM.png|400x400px]]<br>The voltage must be lower than 0.6 volts (0C / 32F) in the cooling cycle. If above 0.6V, please contact customer support. The temp sensor provides 10mV/C + 0.6V, so 0.3V = -30C/-22F, 1.6V = 100C / 212F. | ||
* The general issue with Peltier elements is that they don't like being reversed often. Normal Peltier elements only survive 3,000 cycles. At several cycles an hour and 24/7 engine drying that is only a few months. | * The general issue with Peltier elements is that they don't like being reversed often. Normal Peltier elements only survive 3,000 cycles. At several cycles an hour and 24/7 engine drying that is only a few months. The manufacturer of the Black Max is currently evaluating a premium Peltier element that doesn't have this issue. | ||