Instruction manual - GB
www.atmos.cz
24-GB
GB
26. Operating a system with accumulation tanks
Ignite the boiler and allow the accumulation tanks to “charge” to the required water temperature
of 90-100°C by the boiler’s maximum output operation (2 to 4 loads). Then leave the boiler to stop
burning. Then keep withdrawing heat from the storage utilising three-way valve for a period of time
corresponding to the size of accumulation tanks and the external temperature. In the heating season
(and if adhering to specified min. accumulation tanks volumes – see chart) this could take 1 – 3 days.
If the accumulation method cannot be used, then we recommend using at least one tank of 500 - 1000
l volume for equalising the boiler start-ups and run-outs.
RECOMMENDED MINIMUM ACCUMULATION TANK VOLUMES
Type
DC15E
DC18S
DC20GS
DC22S
DC22SX
DC25S
DC25GS
DC30SX
DC32S
DC32GS
DC40GS
DC40SE
DC40SX
DC50S
DC50SE
DC70S
DC75SE
DC100
Output
18 22 25 32 40 49 70 99
Volume
1000-1500 1500-2000 1500-2000 2000-2500 2500-3000 3000-4000 4000-5000 5000-6000
The standard ATMOS accumulation tanks provided
TANK TYPE VOLUME ( l ) DIAMETER (mm) HEIGHT (mm)
AN 500
500 600 1901
AN 750
750 750 1925
AN 1000
1000 850 2011
Tank insulation
A suitable solution is joint mineral wool insulation of the particular number of tanks (of required
volume) placed together into a plasterboard structure, or additional filling with granular insulation.
When using the mineral wool, the specified minimum insulation thickness is 120 mm. Another option
is purchasing tanks in a leather-cloth housing insulated by mineral wool (see the price list).
Advantages
The installation with accumulation tanks provides several advantages:
- lower fuel consumption (by 20 – 30%), the boiler operates in full output and at an optimal effec-
tiveness of 81 - 89 % until the complete combustion of the fuel
- prolonged boiler and chimney service life – minimum formation of wood-tars and acids
- possibility to combine it with other heating methods – accumulated electric power, solar collec-
tors
- combination of wall radiators and floor heating
- convenient heating and ideal fuel combustion
- environmentally friendlier heating
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