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Control unit
(cont.)
Specification
Lead length
IP rating
Sensor type
Permissible ambient temperature
– during operation
– during storage and transport
Extension kit for one heating circuit with mixer
Mixer extension kit for separate mixer motor
Part no. 7301 062
KM BUS subscriber
For the connection of a separate mixer motor.
Components:
■ Mixer PCB for the connection of a separate mixer motor
■ Flow temperature sensor (contact temperature sensor)
■ Plug for connecting the heating circuit pump and the mixer motor
■ Power cable (3.0 m long) with plug
■ BUS cable (3.0 m long) with plug
Mixer PCB
0
1 8
5 8
Specification
Rated voltage
Rated frequency
Rated current
Power consumption
IP rating
Temperature limiter to restrict the maximum temperature of underfloor heating systems
Immersion temperature controller
Part no. 7151 728
May be used as a maximum temperature limiter for underfloor heating
systems.
The temperature limiter is installed into the heating flow and switches
the heating circuit pump OFF if the flow temperature is too high.
PYROMAT ECO
2.0 m, fully wired
IP 32D to EN 60529
ensure through appropriate
design/installation
Viessmann NTC, 10 kΩ at
25 °C
0 to +120 °C
–20 to +70 °C
230 V~
50 Hz
2 A
1.5 W
IP 20D to EN 60529
Ensure through design/instal-
lation
Safety category
Permissible ambient temperature
– During operation
– During storage and transport
Rated relay output breaking capacity
Heating circuit pump sÖ
Mixer motor
Required runtime of the mixer motor
for 90 ° ∢
Flow temperature sensor (contact temperature sensor)
4 2
6 6
Secured with a tie.
Specification
Cable length
IP rating
Sensor type
Permissible ambient temperature
– During operation
– During storage and transport
0
7 2
1 3
I
0 to +40 °C
–20 to +65 °C
2(1) A 230 V~
0.1 A 230 V~
approx. 120 s
5.8 m, fully wired
IP 32D to EN 60529
Ensure through design/instal-
lation
Viessmann NTC 10 kΩ at
25 °C
0 to +120 °C
–20 to +70 °C
13
3
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