Viessmann VITOPLEX 300 Type TX3A - Immersion temperature sensor; Immersion thermostat; Contact thermostat

Immersion temperature sensor
Part no. 7450 641
For capturing the flow and return temperature.
Specification
Lead length 3.8 m, fully wired
IP rating IP 32 acc. to EN 60529
ensure through appropriate
design/installation
Sensor type Viessmann Ni500
Permissible ambient temperature
– during operation 0 to +90 °C
– during storage and transport
−20 to +70 °C
Immersion thermostat
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.
72
130
95
200
Specification
Lead length 4.2 m, fully wired
Setting range 30 to 80 °C
Switching differential max. 11 K
Breaking capacity 6(1.5) A 250 V~
Setting scale inside the casing
Stainless steel sensor well R ½" x 200 mm
DIN reg. no. DIN TR 116807
or
DIN TR 96808
Contact thermostat
Part no. 7151 729
May be used as a maximum temperature limiter for underfloor heating
systems (only in conjunction with metallic pipes).
The temperature limiter is installed into the heating flow and switches
the heating circuit pump OFF if the flow temperature is too high.
72
130
95
Specification
Lead length 4.2 m, fully wired
Setting range 30 to 80 °C
Switching differential max. 14 K
Breaking capacity 6(1.5) A 250V~
Setting scale inside the casing
DIN reg. no. DIN TR 116807
or
DIN TR 96808
Information regarding the Vitotrol 200 and 300
For every heating circuit in a heating system, one Vitotrol 200 or one
Vitotrol 300 can be deployed.
Control units
(cont.)
64
VIESMANN
OIL/GAS BOILERS
11
5822 426 GB