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Atmos A25 - Parameter S15 - Burner Operation Based on Tank Temperatures

Atmos A25
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EN
www.atmos.cz
60-EN
Operation and maintenance manual - EN
Individual functions:
• Parameter S15 – Operation function of the burner by the two temperatures in the accumulation
tank …(1)
a) S15 = 1… The function is off, the burner works based on the thermoregulator on the boiler panel
b) S15 = 2 …. The function is activated and the pellet burner works based on the two temperatures
(sensors) in the accumulation tank – TV and TS (recommended tank volume: 500 to 1000 l).
The temperature of the bottom sensor (TS) is the temperature at which the burner is switched off
and the fuel burns out (parameter S16).
The temperature of the top sensor (TV) is the temperature at which the burner is switched on again
(parameter S17).
The burner screen displays the TV and TS temperatures.
c) S15 = 3 …. The function is activated and the pellet burner works based on the two temperatures
(sensors) in the accumulation tank – TV and TS (recommended tank volume: 500 to 1000 l).
The temperature of the top sensor (TV) is the temperature at which the burner is switched on again.
The temperature of the bottom sensor (TS or TK) is the temperature at which the burner is stopped.
Whether the burner is switched off based on the TS or TK sensor is decided by the temperature of
the solar panel (TSV) and the temperature in the lower part of the accumulation tank (TS), where a
solar exchange is built-in. If the solar panel can efficiently heat up water in the accumulation tank,
the burner is turned off based on the TK sensor, so that the tank can store energy from the sun.
If the energy delivered from the solar collector drops below a certain limit (temperature), the deactivation
logic of the burner is automatically switched back to be based on the TS sensor (S26 = 1).
However, it is possible to set that the switching may only occur after a certain period of time
(S29 = 2nd digit means the length of delay between switches, in hours). Another variant is to have
the burner work permanently based on the TV and TK temperatures (S26 = 0).
d) S15 = 4 …. The function is off and the burner works based on the TK temperature, protected
by the thermoregulators on the boiler panel. After this function is activated, we need to check and
possibly setup its temperature parameters S18 and S19.
CAUTION - if S15 = 2 not possible to set S6 = 14 a S14 = 14. Je-li S15 = 3 not possible
to set S6 = 11, S14 = 11, S6 = 12, S14 = 12, S6 = 13, S14 = 13. Je-li S15 = 1, S15 = 4 not
possible to set S14 = 14.
(17) TS>
(18) TS<
(19) TV>
(20) TV<
(21) TK>
(22) TK<
(23) TSV>
(24) TSV<
(25) TS,TV>
(26) TS,TV<
(27) TS,TK>
(28) TS,TK<
(29) TS,TSV>
(30) TS,TSV<
(31) TV,TK>
(32) TV,TK<
(33) TV,TSV>
(34) TV,TSV<
(35) TK,TSV>
(36) TK,TSV<