Viessmann VITOTRONIC 300 GW2, Инструкция по установке и обслуживанию

Страница: 102 / 146

Additional information
102
System components
(continued)
Strap-on temperature sensor and immersion temperature sensor
For measuring the supply temperature.
Electrical connection
The sensor is inserted in socket ?
on the control unit.
Check the sensor
1.
Disconnect plug ? in the
terminal compartment.
2.
Measure resistance of sensor at
terminal ”2” of the plug.
Supply
temperature
in °C / °F Resistance
in

30 / 86
40 / 104
60 / 140 569
592
643
3. Compare the value measured with
the current temperature. If the
value differs significantly, check
installation and, if necessary,
replace sensor.
Technical data
Degree of protection: IP 32
Ambient temperature

during operation:
0 to + 100°C
32 to + 212°F

during storage and transport:
–20 to + 70°C
- 4 to + 158°F
5285
941
-
0
1
2
2
30 40 50 60 70 80 90
540
560
580
600
620
640
660
680
700
720
740
20 100
Resistance
in

Supply temperature in °C / °F
68 86 104 122 140 158 176 194 212