
G-55
Z-106164_EN ● 00
A
dditionAl
i
nformAtion
for
the
i
nstAller
Bivalent operation
Operation of heat pump and the boiler (supple-
mentary source) is released only when the com-
posite outside temperature lies above or below the
set temperature limit.
This enables the supplementary generator to lock
in a selected outside temperature range to ensure
bivalent operation of supplementary generator and
heat pump.
•
To ensure continuous release
of the supplementary source,
setting “---” must be selected
on the respective operating
lines!
•
If both release values are ena-
bled, the outside temperature
must satisfy both criteria for
the supplementary generator
to be released!
-30 °C
-20 °C
-10 °C
0 °C
10 °C
20 °C
30 °C
40 °C
POWER
OUTSIDE TEMPERATURE
HEA
TPUMP
HEA
T DEMAND
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BIVALENT
POINT
BOILER
Line no. Operating line
2909
Release below outside temp (heat pump)
2910
Release above outside temp (heat pump)
3700
Release below outside temp (boiler)
3701
Release above outside temp (boiler)
Locking time
The locking time enables the heat pump to reach a
stable operating state before the boiler is allowed to
switch on. The supplementary generator is released
only when the locking time has elapsed. The locking
time starts as soon as a valid flow temperature set
-
point is available. Calculation of the release integral
starts only when the locking time has elapsed.
Line no. Operating line
3723
Locking time
Fig. 28. Bivalent operation
Fig. 29. Locking time
Содержание TMU 500
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