De Dietrich SLA2 Manuel page 33

SLA2
Store charge
A
ON
1 2 3 4
OFF
B
Use ground clamp collective terminal
ON
strip!
1 2 3 4
OFF
The controller compares the temperature at the sensor of
the solid fuel boiler or boiler inserted in stove (S1) with
the temperature at the sensor at store (S2). If the detec- ON
ted temperature difference is higher than or equals the
1
2 3 4
preadjusted value ∆T, the pump (RO) is switched-on when
OFF
simultaneously the given minimum temperature is reached
or exceeded.The temperature difference is reduced.
C
1
S1
R0
If the difference 1,6 K (hysterisis, can difference is reduced,
cannot be changed) underruns the adjusted temperature
difference, the pump is switched-off again.
S1 = boiler sensor
S2 = store sensor
RO = circulation pump
2 3 4 7 8 9 10 11
S1 S2 RO RC N N L
S2
t
9
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