In this few weeks,the weather is very hot, my chiller keeps on turn on and off very frequently and nowadays the electrical cost per KWh is also rising. As the coming few months will be also very hot, I decided to look for ways to reduce the kick in of the chiller, hoping reduce the cost of electrical bill.
I found a DIY to connect an external temperature probe to Hailea chiller. The pictures are from a forumer named gryphon in www.arofanatics.com. He wrote a very detail method of connecting a external temperature probe to a Hailea chiller. I summarised the steps.
1. Buy a NTC based plastic temperature probe/sensor from Sim Lim Tower (shop near the escalator that sell FOX temperature controllers) I think about 2 - 3 meters is the best. There are different types of temperature probe. Make sure it is NTC type.
Picture from gryphon in www.arofanatics.com
Picture from gryphon in www.arofanatics.com
3. Use your finger to reach and press down the two tabs that hold the display panel of the chiller
Picture from gryphon in www.arofanatics.com
Picture from gryphon in www.arofanatics.com
Tabs refer to the circled one:
Picture from gryphon in www.arofanatics.com
4. See the pair of red and black thin wire, that is the wire connect to the internal temperaure sensor in the chiller.
Picture from gryphon in www.arofanatics.com
5. Disconnect and solder or connect to the external temperature probe. (there is no polarity you need to follow)
6. Calibrate your chiller to match your tank's temperature by pressing and hold the Up and Down arrows together.
For more information and show of appreciation to the author please go to the link below and thanks the author:
http://www.arofanatics.com/forums/showthread.php?t=470139
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