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Make sure that the heaters are equipped with thermostats and overheating
NOTICE
protectors.
Set the thermostat to a temperature that is up to 10 °C higher than the highest
request temperature in the heating network.
TC1.4: T3 TC1.4: T4
TC1.4
Q2
L10
Figure 7.11 - Connecting the heaters of the heating accumulator
7.9 Connecting the adjustable additional heat source
The adjustable additional heat source (K27) can be turned on and off with a potential-free relay, and it
can be adjusted with 0–10 V regulation messages. Connect the additional heat source to the expansion
module TC1.4 as follows:
•
On and off: relay Q2, contacts Q23 and Q24
•
Regulation message: Y2 and M, power supply G (24 V).
TC1.4: T3
TC1.4
TC1.4
Figure 7.12 - Connecting the adjustable additional heat source
7.10 Connecting the continuous alert
A device-specific class A alert can be forwarded from the heat pump for higher-level automation system
in the event of failure.
Taurus Inverter Pro and Taurus EVI
Installation, Commissioning and Maintenance Manual
© 2023 Gebwell
Q3
Q4
L
N
N
L
N
N
TC1.4: T5
Q2
Q3
3
2
G
1
L
N
7 Carrying out electrical installations
A1
L
K29
T
N
A2
L
A1
K28
T
N
A2
0 - 10V
3
Y27/
GND
2
TV27
24VAC
1
L
K27
T
N
Version: 2-1 12/04/2023
Page 58
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