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Search took 0.01 seconds. Search: Posts Made By: NiHaoMike
Forum: Geothermal & Heat Pumps 09-10-15, 09:27 PM
Replies: 220
Views: 135,335
Posted By NiHaoMike
There's the Shannon Liu Quadrature Drive that is...

There's the Shannon Liu Quadrature Drive that is basically a VFD for "single phase" compressors, but it never made it outside the realm of research. The main application is a cheap alternative to...
Forum: Geothermal & Heat Pumps 09-09-15, 09:27 PM
Replies: 220
Views: 135,335
Posted By NiHaoMike
Not in the near future, though it does look very...

Not in the near future, though it does look very interesting for an ultra portable A/C.

I don't think there's much of a good reason to go that small for a heat pump water heater except maybe in an...
Forum: Geothermal & Heat Pumps 09-09-15, 12:01 AM
Replies: 220
Views: 135,335
Posted By NiHaoMike
I2C is a very standard bus used in lots of...

I2C is a very standard bus used in lots of applications. Here's an easy to use I2C driver for a MSP430G2452:
https://github.com/NiHaoMike/OpenDAC-HD/blob/master/OpenDAC_FW/I2C.cpp...
Forum: Geothermal & Heat Pumps 06-07-15, 05:07 PM
Replies: 220
Views: 135,335
Posted By NiHaoMike
I'd recommend changing to a TXV if you can find...

I'd recommend changing to a TXV if you can find one of the right size. About 1/2-1/3 ton R22 would be about right for your application and preferably get one that is adjustable with external...
Forum: Geothermal & Heat Pumps 06-04-15, 10:52 PM
Replies: 220
Views: 135,335
Posted By NiHaoMike
The bacteria issue is not relevant on city water...

The bacteria issue is not relevant on city water because of the chlorine added specifically to prevent it. It is a concern on well water or if you have a whole house filter that removes the chlorine.
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