66
6
Change setting continued
Lower limit value of modulation
range of load pump.
Variation: 35…49, 57…59, 76
Setting range:
10%…100%
Presetting:
30%
PSolid f.
speed
minimum
30%
If the temperature at the collector sensor
(TKO) increases by this value or faster
and if option “Start optimisation collect.”
is activated, the solar pump starts even if
there is no temperature increase
between TKO and the reference sensor
(
➭
Ch. 7.24).
Variation:
1…21, 35…45, 51…72, 76…84
Setting range:
0.0…10 K/Min.
Presetting:
1.5 K/Min.
Collect.
temp.
increase
1.5K/m
Temperature differential between solid
fuel boiler sensor (TFK) and calorifier
sensor (TPU) as switch on criteria or
speed increase of the load pump.
Variation: 35…45, 48, 49, 57…59, 76
Setting range:
0 K…40 K
Presetting:
15 K
Solid f.
diff.
On
15.0K
Temperature differential between solid
fuel boiler sensor (TFK) and calorifier
sensor (TPU) as switch off criteria
of the load pump.
.
Variation: 35…49, 57…59, 76
Setting range:
0 K…40 K
Presetting:
5 K
Solid f.
diff.
Off
5.0K
Note:
D
Di
if
ff
f.
.
O
OF
FF
F
is a size that can be used to
include the ratings losses.
If the solid fuel temperature increases
by the value set within 3 minutes prior to
reaching the
Solid f. temp.
minimum
, the solid fuel pump starts with
the minimum speed.
Variation: 35…49, 57…59, 76
Setting range:
0…40K/min
Presetting:
0 K/min
Note: Without thermal return temperature increase this
value should be kept at 0 K/min, otherwise there is
a danger of condensate formation.
Solid f.
temp.
increase
0.0K/m
Minimum solid fuel temperature, at
which the solid fuel pump is released
with the min. speed set.
Variation: 35…49, 57…59, 76
Setting range:
20°C…90°C
Presetting:
50°C
Solid f.
temp.
minimum
50.0°C
Maximum temperature at return
temperature sensor THR. When this
temperature is reached, the 3 way valve
VRA is de-energised.
Variation: 9…11, 15, 16, 19, 27, 31, 34,
38, 42, 45,49, 56, 59, 62, 65
Setting range:
20…105°C
Presetting:
95°C
Return
temp.
maximum
95°C
