15
A1 = ((S4 > min1 ) or (S5 > min2)) & (heating = active)
COP1 10V (on) = S4 > min1 & S4 > (S6 + diff1) & S6 < max1
COP2 10V (on) = S4 < max2 & (S5 < min3 or (S5 < (NP + diff2) & heating = active)
COP2 0V (off) = S4 > max2 or (S5 > max3 and (S5 > (NP + diff2) & heating = active)
If no room sensor is used, the room influence in the menu
MIXER
must be set to
zero
and
the sensor
S1
set to
a fixed value (e.g. 20°C)
.
The load pump and the burner demand are switched using 2 additional auxiliary relays
HIREL-STAG
(special accessories).
The auxiliary relay for the control output 1 (load pumps) must be installed it its own, suitable
housing for space reasons and due to the separation low voltage/mains voltage.
If a
high efficiency pump
is to be switched with the auxiliary relay, due to the lower switch-
ing capacity, an
external
relay with sufficient switching capacity must be interposed.
If the burner demand is directly controlled via the burner modulation (no relay) then within the
"COP2" menu, there is the possibility to set the mode of the control output form "NORMAL" to
"INVERSE", so that the burner demand request occurs with output of 0V instead of 10V.
In this program, the switching mode of the values
diff2
and
diff2
functions in exactly the
opposite way: the value
diff2
in conjunction with the calculated flow set temperature gives
the switch-on threshold and
diff2
the switch-off threshold.
The following additional versions can also be achieved with program 80:
Version 2: Automatic boiler, buffer cylinder, DHW cylinder charging pump
S4 = S5
Transfer of value from S5.
Instead of a measured value the input
S4
receives its (temperature) information
from input
S5
(Menu SENSOR).
COP2 = Boiler
demand
COP1
Содержание UVR 63H
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