Termoventiler AB
…and this is how it works...
…and this is how it works...
Laddomat 21Laddomat 21For accumulation when using a
wood-fired boilerFor accumulation when using a
wood-fired boiler
... Laddomat 21... Laddomat 21
The wood-fired boiler is
connected to …
The wood-fired boiler is
connected to ……an
accumulator tank with by-
pass and dwh with...
…an accumulator tank with by-
pass and dwh with...
Picture 1
Termoventiler AB
Laddomat 21
The boiler and…The boiler and…
There is no remaining heat from last firing.
There is no remaining heat from last firing.
…tank are cold and are not generating any losses.
…tank are cold and are not generating any losses.
Now it´s time to start the fire
Now it´s time to start the fire
The electrical cartridge heats the top
of the tank…
The electrical cartridge heats the top
of the tank…...enough to provide
hot water...
...enough to provide hot water...
…and heating …and heating
Picture 2
Termoventiler AB
Laddomat 21
A fire is lit in the boiler…A fire is lit in the boiler…
The electrical cartridge heats the top of the tank
for a while until…
The electrical cartridge heats the top of the tank
for a while until…
Picture 3
Termoventiler AB
Laddomat 21
…the temperature increases in the boiler
…the temperature increases in the boiler
Picture 4
Termoventiler AB
Laddomat 21
The flue thermostat heats
up…
The flue thermostat heats
up…
…and starts the pump
…and starts the pump
The built-in check valve is kept…
The built-in check valve is kept…
…shut by the pump flow
…shut by the pump flow
This stops the boiler cooling down during
the start-up firing
This stops the boiler cooling down during
the start-up firing
…the water starts to circulate inside
the boiler
…the water starts to circulate inside
the boiler
Picture 5
Termoventiler AB
Laddomat 21At +78°C, the thermal valve
opens…
At +78°C, the thermal valve
opens…
…the tank is being charged with hot water
…the tank is being charged with hot water
…cooling the boiler with pre-heated water
…cooling the boiler with pre-heated water
…and cold water from the tank is added
…and cold water from the tank is added
Picture 6
Termoventiler AB
Laddomat 21
A short time after charging begins, the electrical cartridge is shut off by its own
thermostat
A short time after charging begins, the electrical cartridge is shut off by its own
thermostat
Picture 7
Termoventiler AB
Laddomat 21
Thanks to the low flow level, perfect layering is created when the tank is being charged…
Thanks to the low flow level, perfect layering is created when the tank is being charged…
…until it is completely full
…until it is completely full
Picture 8
Termoventiler AB
Laddomat 21
The thermal valve ensures that the tank is being fully charged…
The thermal valve ensures that the tank is being fully charged…
…the by-pass flow is completely shut down in
the final stages
…the by-pass flow is completely shut down in
the final stages
The full capacity of the pump cools down the boiler
The full capacity of the pump cools down the boiler
Picture 9
Termoventiler AB
Laddomat 21
The fire goes out when the fan or damper stops the supply of oxygen
The fire goes out when the fan or damper stops the supply of oxygen
Picture 10
Termoventiler AB
Laddomat 21
The flue cools down…The flue cools down…
…and stops the circulation pump…
…and stops the circulation pump…
…the flow ceases……the flow ceases…
Picture 11
Termoventiler AB
Laddomat 21
The check-valve opensThe check-valve opens
Residual heat from the voiler is transferred to the
top of the tank…
Residual heat from the voiler is transferred to the
top of the tank…
The radiator return valve adds cold return water…
The radiator return valve adds cold return water…
Picture 12
Termoventiler AB
Laddomat 21
The radiator return valve adds cold return water
The radiator return valve adds cold return water
After a number of hours, there is no more heat in
the tank…
After a number of hours, there is no more heat in
the tank…
…and the electrical cartridge starts up again
…and the electrical cartridge starts up again
Picture 13
Termoventiler AB
Laddomat 21
This is how the Laddomat 21 works in the event of a
power cut
This is how the Laddomat 21 works in the event of a
power cut
The boiler is burning at
maximum output
The boiler is burning at
maximum output
Picture 14
Termoventiler AB
Laddomat 21
This is how the Laddomat 21 works in the event of a
power cut
This is how the Laddomat 21 works in the event of a
power cut
The tank is being charged…
The tank is being charged…
Picture 15
Termoventiler AB
Laddomat 21
This is how the Laddomat 21 works in the event of a
power cut
This is how the Laddomat 21 works in the event of a
power cut
The unthinkable happens…
The unthinkable happens…
A power cut !!!!!!!!!
A power cut !!!!!!!!!
Picture 16
Termoventiler AB
Laddomat 21
This is how the Laddomat 21 works in the event of a
power cut
This is how the Laddomat 21 works in the event of a
power cut
The pump stops…The pump stops…
The fan stops, the air supply is cut off
The fan stops, the air supply is cut off
The check-valve for selfcirculation
opens
The check-valve for selfcirculation
opens
Picture 17
Termoventiler AB
Laddomat 21
The pressure of the natural circulation system fills the boiler with cold water.
The pressure of the natural circulation system fills the boiler with cold water.
The fire can be kept going at limited output until electrical power is
restored.
The fire can be kept going at limited output until electrical power is
restored.
The heat from the boiler is transferred to the tank.
The heat from the boiler is transferred to the tank.
Picture 18This is how the Laddomat 21
works in the event of a power cut
This is how the Laddomat 21 works in the event of a
power cut