Viessmann VITODENS 200-W Technical Data Manual page 20

Accessories
Sensors
(supplied)
Boiler Temperature Sensor
The boiler temperature sensor is connected at the control
unit for weather-responsive operation and is built into the
boiler.
Specification sensor type: Viessmann NTC 10K ohms
Max. ambient temp.
- at operation:
- when storing
or transporting:
DHW Tank Temperature Sensor
(immersion temperature sensor)
Supplied with:
- Cable length approx. 13 ft. (3.75 m), ready to plug in
- All pipe connections are field supplied.
Specification
Max. ambient temp.
- at operation:
- when storing
or transporting:
- Sensor type:
Immersion Temperature Sensor
To capture the low loss temperature
(if low-loss header is used)
Specification
Lead length fully wired:
Permissable ambient temp.
- during operation:
- when storing
or transporting:
20
at 77ºF (25ºC)
32 to 266ºF (0 to 130ºC)
- 4 to+158ºF (-20 to+70ºC)
32 to 194ºF (0 to 90ºC)
- 4 to+158ºF (-20 to+70ºC)
Viessmann NTC
10K ohms @ 77ºF (25ºC)
12 ft. (3.75 m),
32 to 194°F (0 to 90°C)
- 4 to+158° F (-20 to+70° C)
Vitodens 200-W, B2HB 19 to 35 Technical Data
Outdoor Temperature Sensor
Sensor location:
- North or northwest wall of building
- 6.6 to 8.2 ft. (2 to 2.5 m) above ground or in case
of a multi-storey building approximately halfway up
the second floor
Electrical connection:
- 2-wire cable, max. cable length 115 ft. (35 m)
with a wire size of min. AWG 16 copper
- Cable to the outdoor sensor must not be laid near
line voltage wiring (120/240 V)
Max. ambient temp.
- at operation:
- when storing
or transporting:
32 to 194ºF (0 to 90ºC)
- 4 to+158ºF (-20 to+70ºC)