Forum: Solar Heating
11-22-15, 04:20 AM
|
Replies: 21
Views: 13,895
Hi Jeff,
I agree with the truck comparison. ...
Hi Jeff,
I agree with the truck comparison.
However, my initial question was not related with a specific project, neither I plan to install the swh system.
I just wanted to know in general, how...
|
Forum: Solar Heating
11-21-15, 03:08 AM
|
Replies: 21
Views: 13,895
|
Forum: Solar Heating
11-05-15, 10:25 AM
|
Replies: 5
Views: 4,798
Thank you Daox,
As far as I am informed...
Thank you Daox,
As far as I am informed controllers will handle this in two ways: discharge an excess hot water from the storage tank and import a new cold one from the mains water pipe.
And during...
|
Forum: Solar Heating
11-04-15, 03:25 PM
|
Replies: 5
Views: 4,798
Daily regime of solar controller during vacations
Hello.
I am interested in solar hot water controller's (delta T) regime of work during holidays.
I've read that if holiday lasts up to 3 days, it is recommended to keep the regime the same as on...
|
Forum: Solar Heating
10-14-15, 11:50 AM
|
Replies: 19
Views: 12,115
Thank you Daox,
So 4 kWh in my example...
Thank you Daox,
So 4 kWh in my example (http://ecorenovator.org/forum/47403-post3.html), is in fact a thermal energy, not an electric energy:
And what is 5kWh in my example:
|
Forum: Solar Heating
10-14-15, 11:28 AM
|
Replies: 19
Views: 12,115
|
Forum: Solar Heating
10-14-15, 08:26 AM
|
Replies: 19
Views: 12,115
Thank you for the reply Jeff.
I am actually...
Thank you for the reply Jeff.
I am actually not interested in units other than kWh. I live in a metric country.
The reason why I put gallons and kbTu was as a way of respect, because I can see...
|
Forum: Solar Heating
10-13-15, 02:07 PM
|
Replies: 19
Views: 12,115
Thank you bmxeroh,
I am not interested in...
Thank you bmxeroh,
I am not interested in knowing why do these two values differ, but how they can be compared (without interfering with costs).
Indeed watt is watt.
But upper "4" is 4 kWh of...
|
Forum: Solar Heating
10-13-15, 08:30 AM
|
Replies: 19
Views: 12,115
Thank you Steve.
I am not interested in...
Thank you Steve.
I am not interested in costs.
I simply want to know how can 4 kWh of electric energy be compared with 5 kWh of thermal energy (is this even thermal energy)?
Is the only way...
|
Forum: Solar Heating
10-13-15, 07:47 AM
|
Replies: 19
Views: 12,115
|
Forum: Solar Heating
10-13-15, 05:31 AM
|
Replies: 19
Views: 12,115
How much energy to heat 100 liters of water?
There is something that has been confusing me for a while, and it is related with "types" of energies when it comes to heating water.
Here is an example:
volume of water to heat: 100 liters (26.4...
|
Forum: Solar Heating
09-28-15, 05:21 AM
|
Replies: 21
Views: 13,895
|
Forum: Solar Heating
09-17-15, 04:19 PM
|
Replies: 21
Views: 13,895
Thank you Steve.
How many stories do you...
Thank you Steve.
How many stories do you have for your total pipe run length of 200 feet?
3 stories with basement included (basement - where the storage tank is, ground floor, first floor, and...
|
Forum: Solar Heating
09-17-15, 02:48 PM
|
Replies: 21
Views: 13,895
|
Forum: Solar Heating
09-15-15, 03:10 AM
|
Replies: 21
Views: 13,895
Thank you Steve.
I seem to undestood you...
Thank you Steve.
I seem to undestood you correctly previously:
Add 5 meters of pipe length per story (for supply) + 5 meters of pipe length per story (for return) = 10 meters total per story....
|
Forum: Solar Heating
09-14-15, 04:55 PM
|
Replies: 21
Views: 13,895
I did not understand you this, I apologize.
...
I did not understand you this, I apologize.
When you said:
the way I have understood you is:
for each story add 5 meters of piping in one direction (from collector to the storage tank), 5...
|
Forum: Solar Heating
09-14-15, 04:43 PM
|
Replies: 21
Views: 13,895
Thank you Steve.
So basically if one has a...
Thank you Steve.
So basically if one has a two story building with basement (basement, ground floor and first floor), where storage tank is located in the basement, collectors are on the roof and...
|
Forum: Solar Heating
09-14-15, 04:27 PM
|
Replies: 21
Views: 13,895
Thank you Steve.
Is there some way of...
Thank you Steve.
Is there some way of knowing how much total pipe run length will one need?
For example, depending on a number of stories, in case the storage tank is located at the lowest story,...
|
Forum: Solar Heating
09-14-15, 03:47 PM
|
Replies: 21
Views: 13,895
Dear Steve,
Thank you for the reply, it has...
Dear Steve,
Thank you for the reply, it has been really informative.
But it seems there is a misunderstanding.
I am interested in the overall length of the pipes, not their diameters, and...
|
Forum: Solar Heating
09-14-15, 09:03 AM
|
Replies: 21
Views: 13,895
Thank you for the reply Steve.
I do not have...
Thank you for the reply Steve.
I do not have a particular swh system in mind.
For example, let's say I have three collectors (each one 20 square feet of area (1.85 square meters)): 3 * 20 = 60 sq...
|
Forum: Solar Heating
09-14-15, 05:15 AM
|
Replies: 21
Views: 13,895
Overall piping length in swh systems
There is one thing that I am curious of:
What are some rule of a thumb, or approximate overall piping lengths in residential solar water heating systems?
I know it may be difficult to answer this...
|
Forum: Introductions
09-14-15, 05:15 AM
|
Replies: 1
Views: 3,014
Greetings
Dear Eco renovator community.
My name is Bernard. I am from from Central Europe, and I interested in knowing more about thermal solar systems and PV systems.
My other interests include hiking,...
|