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Operation and maintenance manual - EN
the output for the external conveyor from which pellets fall directly to the burner gets damaged,
the reserve will be switched off automatically. This function is convenient in cases when you
need to control another external conveyor that supplies (feeds) pellets from a larger distance to
a pellet bin at the boiler from which the main external conveyor draws pellets to supply them
directly to the burner. Caution - the other external conveyor must always be controlled with an
additional level sensor (level meter) that will maintain the level of pellets in the pellet bin at the
boiler. This is a similar function to S6 = 9, but with a higher degree of safety.
k) S6 = 11….. Reserve function for controlling boiler exhaust fan for DCxxSP(X), CxxSP, ACxxSP
boiler types when the function for automatic start after wood is burnt out is activated. This function
ensures that boiler exhaust fan is running only during wood burning after the wood is burnt out.
When the burner is run on pellets, the boiler exhaust fan remains switched off. This function is
used if you do not need or want to use the boiler exhaust fan while the burner is running. Install
the AD02 module under the instrument hood of the boiler and connect it electrically between the
boiler terminal board and the extraction fan, see the wiring diagram.
WARNING – this is not a standard setting for DCxxSP(X), CxxSP, ACxxSP boilers with
the function of automatic start.
(AUTOSTART – S34 = 1 or S34 = 2) after wood is burnt out (standard setting is S6 = 4).
l) S6 = 12…..Reserve function for direct control of pump in the boiler circuit from the burner
regulation (boiler terminal board). This function controls the pump in the boiler circuit without
using AD02 or AD03 modules. This is applicable only for boilers that do not allow heating with
wood (not even in emergency situations). E.g. D14P, P14, D21P, P21, D25P, P25, D80P, P80,
DxxPX, PXxx. Pump output must be switched to reserve R on the boiler terminal board and the
TK sensor must be installed before this function can be activated. After activation, S37, S38, S39,
S40 temperature parameters must be checked and configured.
m) S6 = 13…..Reserve function is the reverse output function for controlling the pump in
the boiler circuit from the burner regulation (output cable from boiler with a connector – white
inside) via AD02 or AD03 modules. This function controls the pump in the boiler circuit using
AD02 or AD03 modules ranged into a set with pump thermostat installed into the boiler panel.
This method of pump controlling can be used for any ATMOS pellet boiler, and is therefore
recommended. AD02 or AD03 modules must be inserted and connected under the boiler hood
and the TK sensor must be installed before this function can be activated. After activation, S37,
S38, S39, S40 temperature parameters must be checked and configured.
n) S6 = 14….. Reserve function for direct control of solar heating pump from the burner regulation
(boiler terminal board). This function control solar pump when automatic sensor switching function
is activated (S15=3), where the boiler is connected with accumulation tank equipped with solar
exchanger and collectors. The system requires TV, TK, TS and solar sensors to be connected to the
TSV solar panel. This function never uses AD02 or AD03 modules.
After activation, S26, S27, S28, S29, S30, S31, S32, S33 temperature parameters must be checked
and configured.
This function is specially designed for boilers: D14P, P14, D15P, P15, D20P, P20, D21P, P21,
D25P and P25
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