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. | ||
Revision as of 00:33, 14 November 2023
- 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
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 manufacturer of the Black Max is currently evaluating a premium Peltier element that doesn't have this issue.
