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Search: Posts Made By: Xringer
Forum: Geothermal & Heat Pumps 09-08-19, 06:39 PM
Replies: 24
Views: 21,400
Posted By Xringer
The search terms might be too convoluted for...

The search terms might be too convoluted for Ebay..
This link Aliexpress is still okay.. https://www.aliexpress.com/item/32956162411.html
Forum: Geothermal & Heat Pumps 09-02-19, 09:08 PM
Replies: 24
Views: 21,400
Posted By Xringer
I think the indoor unit uses an AC motor on some...

I think the indoor unit uses an AC motor on some of these M/S systems. My Sanyo uses a DC 280 volts, 47W brushless in the indoor fan. At least that's what the label says on the replacement motor.
...
Forum: Geothermal & Heat Pumps 09-02-19, 10:24 AM
Replies: 24
Views: 21,400
Posted By Xringer
Because of the DC motor design, the boards have...

Because of the DC motor design, the boards have to be 'inverter' type controllers.
But, the frequency of the controlling clocks (which controls the RPMs of the motors) will become fixed. The OEM...
Forum: Geothermal & Heat Pumps 06-10-19, 11:07 PM
Replies: 24
Views: 21,400
Posted By Xringer
New link: ...

New link: https://www.aliexpress.com/item/32956162411.html

They are making some interesting pcbs these days.. Inverter support!

Universal DC Inverter control system for split air conditioner...
Forum: Geothermal & Heat Pumps 11-11-16, 09:34 AM
Replies: 24
Views: 21,400
Posted By Xringer
CN2 looks like it's got frequency step input...

CN2 looks like it's got frequency step input controls. 5 or 10 Hz up or down. And a common / ground?
Still not seeing the comm line to the IDU.
So maybe those Up & down lines get bumped by a...
Forum: Geothermal & Heat Pumps 11-10-16, 05:49 PM
Replies: 24
Views: 21,400
Posted By Xringer
Seems smallish. Maybe for a 9,000 BTUh system? ...

Seems smallish. Maybe for a 9,000 BTUh system?

Group of QD30 inverter air conditioner control panel general purpose inverter inverter air conditioning control system modification...
Forum: Geothermal & Heat Pumps 05-01-16, 09:10 AM
Replies: 24
Views: 21,400
Posted By Xringer
In other pictures, it seems like two sensors were...

In other pictures, it seems like two sensors were copper and one was black encapsulated.
U12A Universal air conditioner control system with PCB, wall mounted control and remote control...
Forum: Geothermal & Heat Pumps 04-30-16, 01:06 PM
Replies: 24
Views: 21,400
Posted By Xringer
Good luck with being the 1st on your street to...

Good luck with being the 1st on your street to try one.. :)
(We were first to own a microwave oven, on our street).. ;)

I was thinking if the loads are too big, maybe other relays or SSR could...
Forum: Geothermal & Heat Pumps 04-29-16, 07:10 PM
Replies: 24
Views: 21,400
Posted By Xringer
Built your own split system?

They have these new gizmos now, and they look interesting..

Universal Split Air Conditioner Control System A/c Control Board - Buy Air Conditioner Control System,A/c Control Board Product on...
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