Upgrading Workshop Heating: Volcano VR Mini & 80L Boiler w/Double Coil in Poorly Insulated Space

Hello and welcome advice.
I rebuilt my CO installation and until now in my (electronic) workshop I had a regular 20 rib aluminum radiator installed.
Because I do not heat the workshop non-stop (I closed the valve in the absence) before the radiator warmed up my workshop passed a lot of time. I will add that the room is poorly insulated.
After modernizing the boiler room which is located with the wall, I intend to invest in a water heater. I was advised that Volcano VR Mini would be enough.
I know that heaters "extract" heat from virtually the entire installation, so the idea of using an old but in very good condition 80l boiler with a double coil connected in series with the radiator circuit came to my mind.
Tell me what you think about it?
The diagram does not include shut-off valves.

The boiler is not needed. If you want to choke, just put the ball valve in front of the heater. You just have a small stove. Besides, you can put a weak fan in the heater so that it does not pull everything out of the installation. Either way you will not use its power.

The furnace is oversized and most of the time it works in sustaining (180m2 heating surface, thermostatic valves on all radiators plus a small floor with RTL valve).
It is not about muffling the heater but about quickly heating the workshop without much damage to the central heating installation.
I use the workshop only in the afternoons - evenings and weekends.
The boiler is to act as a heat buffer that is stored when the heater is not working.
I know that these types of storage tanks release heat relatively slowly, hence the idea of including a coil in series with the radiator circuit. When the heater is not working and the water in the boiler is heated, practically all the heat will go into the radiator circuit.
When we start the heater, it will quickly consume hot water from the boiler, however, it will not cool down the radiator system significantly. I will add that the workshop has about 55m3 so the heater will work at max 50%.

For me, the tiny Tico heater heats up quickly 50m2 of one room and here 20kW it will cook you.

I would put some car heater in series with the heater, if you don't need Power, you just don't turn on the blower motor.

I had an additional car with a VW T4 and unfortunately too weak. 20 radiator ribs were in contact. Hot in one place and 3m further cold.
The door leaks straight outside and a large window (plastic but old)

marcin_marcepan wrote:

I had an additional car with the VW T4

First, what is the water temperature in the installation?

The oven set to 60
Required in workshop 21

First calculate the power demand for this workshop, and only then buy the heater (take into account the time of heating the room). If you look at the DTR carefully, you will see that the heat output strongly depends on the supply temperature of the heater http://www.tanie-og Heating.pl/download/volcano/nagrzewnica_volcano_mini.pdf " target="_blank" rel="nofollow noopener ugc" class="postlink inline" title="" > http://www.tanie-og Heating.pl/download/volcano/nagrzewnica_volcano_mini.pdf .

Powder masking.
The basis is to eliminate heat leakage spots. This will reduce heating costs and will pay off in the future.
If the door is leaking, replace it with a tight one. Brick up a large window and insert a smaller one. Insulate the walls.
Comfort of work will decrease from the wind and sound produced by the heater.
I wouldn't play any old boilers, just plug the heaters directly into the installation.

hello, buddy, the heater connected directly from the furnace by pipes such as the output from the heater preferably on a separate pump, give the temperature much higher than 60 degrees. connecting the heater inversely than drawn, power supply from the bottom and will be added. greetings.

Hello, not wanting to create a new topic, I will ask here.

I have a Ferroli heating oil stove with a maximum power of 25kW, together with a Ferroli Sun burner with a capacity of up to 58kW. At the moment, the furnace is connected to the heating of social rooms (about 42m2, 5 aluminum radiators of this type: https://goo.gl/images/4uNfhA), and heating of utility water.

I would like to connect to the existing installation a water heater to heat part of the hall, unfortunately I do not know what the maximum power of the heater can be and will this furnace handle such an installation at all?

sparkson You have 25kW available. The heaters in total are able to download 11.5kW. You only have 13.5kW of power for the heater. In fact, you have to count on having 10kW available.
Isn't it better to buy a heater with your own burner?

I already have two furnaces and burners in them, I do not really want to invest in a third and hence another chimney, passage through the roof, etc. Too high costs, so I was thinking about using the furnace.

I listened to my colleague roman 18 and I am pleasantly surprised because my fears turned out to be unfounded.
The LEO FB 20V heater is perfect even when the oven is set at 50 degrees Celsius and it doesn't get all the heat out of the installation.
It takes no more than 5 minutes to heat up my workshop from 17 to 24st.
The only thing that bothers is the fan or rather a blast of air even in 1st gear.
Maybe you would advise something to regulate RPM?

How many radiators do you have connected to this installation?

9 heaters, large dryer, small floor and 300l exchanger with two coils connected in series

How much can it cost to install 4 heaters in a facility such as a hall + of course a stove. Water heaters, the price of the material is about 20,000 PLN. I would like to know how to price labor because I have not dealt with installations of this type so far.