The Tec can be powered on at the same time as the PC. But when you have a serious cooling setup with sub ambient temp powering the tec beforce the PC goes on is better.
Simple example:
- Coldplate temp is ambient temp (20C
- CPU runs stabel at 0C
- Temp coldplate at startup will be 20C
Result crashing PC at start-up, so powering the TEC beforce the PC goes on isn't a bad idea. But in most cases it isn't needed because starting the CPU doesn't require a 100% stable CPU.
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