Vitodens 200-W, B2HA 19 to 80 Technical Data
5683 717 - 03
30
Design and Functions
(continued)
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
at 77º F (25º C)
Max. ambient temp.
-
at operation:
32 to 266º F (0 to 130º C)
-
when storing
or transporting:
- 4 to+158º F (-20 to+70º C)
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:
32 to 194º F (0 to 90º C)
-
when storing
or transporting:
- 4 to+158º F (-20 to+70º C)
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:
32 to 194º F (0 to 90º C)
-
when storing
or transporting:
- 4 to+158º F (-20 to+70º C)
-
Sensor type:
Viessmann NTC
10K ohms @ 77º F (25º C)
Accessories
Immersion Temperature Sensor
To capture the low loss temperature
Specification
Lead length fully wired: 12 ft. (3.75 m),
Permissable ambient temp.
-
during operation:
32 to 194° F (0 to 90° C)
-
when storing
or transporting:
- 4 to+158° F (-20 to+70° C)
