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Forum: Geothermal & Heat Pumps 11-08-14, 09:55 AM
Replies: 82
Views: 71,059
Posted By stef110
I am not home at the moment, and before i hook up...

I am not home at the moment, and before i hook up a any hose i need a hose with ball valve on the end so when i unhook the hose i wont get flooded with refrigerant.

stef
Forum: Geothermal & Heat Pumps 11-08-14, 01:11 AM
Replies: 82
Views: 71,059
Posted By stef110
sorry i was not that specific. Indeed i am...

sorry i was not that specific. Indeed i am talking on the already running unit with the capillary tube. I don't have a service valve on the suction side of the compressor.

stef
Forum: Geothermal & Heat Pumps 11-07-14, 12:56 PM
Replies: 82
Views: 71,059
Posted By stef110
mmm there are some strange things happening on my...

mmm there are some strange things happening on my heatpump.
It happen t a few times now, that the refrigerant that is entering the evaporator (outdoor radiator) doesn't catch any heat. The...
Forum: Geothermal & Heat Pumps 11-04-14, 02:11 PM
Replies: 82
Views: 71,059
Posted By stef110
This weekend i dismantled the unit so i could...

This weekend i dismantled the unit so i could clean it up, it probelby was standing some were in a garden it had a hole bunch of sand in it.
I also had a good look a the used components, and right...
Forum: Geothermal & Heat Pumps 11-01-14, 09:58 AM
Replies: 82
Views: 71,059
Posted By stef110
Yesterday i had a look on the compressor, and...

Yesterday i had a look on the compressor, and indeed there stand DC motor.
Which will be a BLDC motor. I wont want to run it with a vfd, because it is not made for that i don't want to risk. The...
Forum: Geothermal & Heat Pumps 10-30-14, 03:03 PM
Replies: 82
Views: 71,059
Posted By stef110
It has been a while, heatpump is running right...

It has been a while, heatpump is running right now it is doing really good job.
The only down side is that it is not very power full, on the water side i measure about 2,5 kW of heating power. Witch...
Forum: Geothermal & Heat Pumps 08-09-14, 11:23 AM
Replies: 82
Views: 71,059
Posted By stef110
what i meant was that it is already warm overhear...

what i meant was that it is already warm overhear more testing will make it only hotter inside the house.

stef
Forum: Geothermal & Heat Pumps 08-09-14, 10:43 AM
Replies: 82
Views: 71,059
Posted By stef110
So after a small vacation i made some progress...

So after a small vacation i made some progress last two days.
I finally managed to get the rs485 protocol to work properly so all the components working fine with each other.
Pump is working fine...
Forum: Geothermal & Heat Pumps 08-01-14, 05:14 AM
Replies: 82
Views: 71,059
Posted By stef110
Now i know how the defrost cycle really should...

Now i know how the defrost cycle really should work, but I can just switch the valve while i am on heating mode? this can not harm the unit?

stef
Forum: Geothermal & Heat Pumps 08-01-14, 02:15 AM
Replies: 82
Views: 71,059
Posted By stef110
Thanks jeff, I was already getting i bit scared....

Thanks jeff, I was already getting i bit scared. I have never change something on the charge.
I have a heat calculator build in my software who combines ΔT of the heat HX and the water flow from...
Forum: Geothermal & Heat Pumps 07-31-14, 03:36 PM
Replies: 82
Views: 71,059
Posted By stef110
I really appreciate all the help, It is my first...

I really appreciate all the help, It is my first project. What i have in mind is to heat our home in the Forrest and spring with this unit if possible. It doesn't have to be the most efficient unit...
Forum: Geothermal & Heat Pumps 07-31-14, 02:26 PM
Replies: 82
Views: 71,059
Posted By stef110
I cant get my blue meter over there is there an...

I cant get my blue meter over there is there an other way to check?
I amuse harmless to use it this way on heating mode? because all the split heating units work this way? Some one on this topic...
Forum: Geothermal & Heat Pumps 07-31-14, 09:01 AM
Replies: 82
Views: 71,059
Posted By stef110
thanks ac, my software is a little bit confusing...

thanks ac, my software is a little bit confusing the names are based on cooling so the normal state a conditioner will work.

So the temperature readings are when we look at HEATING mode:
...
Forum: Geothermal & Heat Pumps 07-31-14, 06:10 AM
Replies: 82
Views: 71,059
Posted By stef110
Ac thanks for the tips. Yesterday after a vacuum...

Ac thanks for the tips. Yesterday after a vacuum session of 8,5 hours i reached 200 microns. And after that I released the refrigerant.
Today i did my first test run on heating the building.
I...
Forum: Geothermal & Heat Pumps 07-30-14, 03:32 AM
Replies: 82
Views: 71,059
Posted By stef110
In the last 2 days a lot is happened, I placed...

In the last 2 days a lot is happened, I placed the outdoor unit outside en made the cooling lines. Yesterday i brazed everything en put it under pressure this morning it was still on same pressure so...
Forum: Geothermal & Heat Pumps 07-27-14, 01:15 PM
Replies: 82
Views: 71,059
Posted By stef110
Today i fit the temperature sensors in the...

Today i fit the temperature sensors in the outside unit and screw it back to gather. And already moved it to the roof of the garage. Where it will be placed on a backed on the wall so it won't stand...
Forum: Geothermal & Heat Pumps 07-26-14, 08:19 AM
Replies: 82
Views: 71,059
Posted By stef110
small update on the programming: ...

small update on the programming:

http://gallery.svitterzon.nl/cache/albums/warmtepomp/software1.jpg

This small program show you the values of the sensors, power usage, cop and relay statuses.
...
Forum: Appliances & Gadgets 07-25-14, 12:17 PM
Replies: 91
Views: 86,751
Posted By stef110
A nice printer you have, i own a Velleman k8200. ...

A nice printer you have, i own a Velleman k8200.
Something i printed a 4 wheel powered car controlled by smartphone by Bluetooth.
...
Forum: Geothermal & Heat Pumps 07-25-14, 07:47 AM
Replies: 82
Views: 71,059
Posted By stef110
Yes it is, i use it one almost all the...

Yes it is, i use it one almost all the screw-joints never ever had a leak on them.
Forum: Geothermal & Heat Pumps 07-25-14, 06:02 AM
Replies: 82
Views: 71,059
Posted By stef110
Yes i have a bending iron, all the pipes are 22mm...

Yes i have a bending iron, all the pipes are 22mm iron pipes. I love to do the bending, on daily bases i am an electrician, over here in Holland we also do every thing with plastic pipe witch involve...
Forum: Geothermal & Heat Pumps 07-24-14, 01:23 PM
Replies: 82
Views: 71,059
Posted By stef110
Today i created the circuit board for the outdoor...

Today i created the circuit board for the outdoor unit, his job is to read values from 5 one-wire temperature sensors and spit them out by the rs485 bus.
It also has a push button, that i can use to...
Forum: Geothermal & Heat Pumps 07-23-14, 01:41 PM
Replies: 82
Views: 71,059
Posted By stef110
Thanks for the info, today I pumped down the...

Thanks for the info, today I pumped down the system en removed the HX.
I also hooked the HX up to the central heating system.
...
Forum: Geothermal & Heat Pumps 07-22-14, 01:04 PM
Replies: 82
Views: 71,059
Posted By stef110
Maybe tomorrow I will install the heat exchanger...

Maybe tomorrow I will install the heat exchanger inside the house.
From what i know and how i hooked everything up now,
The hot gas flows from the top of the hx to the bottem right?
And the water...
Forum: Geothermal & Heat Pumps 07-22-14, 04:54 AM
Replies: 82
Views: 71,059
Posted By stef110
Just did my first bench test: ...

Just did my first bench test:

http://gallery.svitterzon.nl/cache/thumbs/large/550-OAR:%20cache[DIR]albums[DIR]warmtepomp[DIR]2014_07_22_09.26.26.jpg
...
Forum: Geothermal & Heat Pumps 07-21-14, 01:24 PM
Replies: 82
Views: 71,059
Posted By stef110
The default position of the valve is, to cool the...

The default position of the valve is, to cool the HX, but i want to heat my HX.
The whole idea is to heat the house i will never use the cooling function probably only on defrost if necessary.
But...
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