Immersion Thermostat; Contact Thermostat - Viessmann VITODENS 200-W Technical Manual

Control units
(cont.)
IP rating
Permissible ambient temperature
– during operation
– during storage and transport
Torque
Runtime for 90 ° ∢
Flow temperature sensor (contact sensor)
4 2
6 6

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.
0
7 2 1 3

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.
0
7 2 1 3
VITODENS 200-W
IP 32D to EN 60529; en- Secured with a tie.
sure through design/instal-
lation Specification
IP rating
0 to +40 °C
–20 to +65 °C
3 Nm Sensor type
120 s
Permissible ambient temperature
– during operation
– during storage and transport
Mixer motors
See datasheet "Control unit accessories".
Specification
Lead length
Setting range
Switching differential
Breaking capacity
Setting scale
Stainless steel sensor well
DIN reg. no.
Specification
Lead length
Setting range
Switching differential
Breaking capacity
Setting scale
DIN reg. no.
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
4.2 m, fully wired
30 to 80 °C
max. 11 K
6(1.5) A 250 V~
inside the casing
R ½" x 200 mm
DIN TR 116807
or
DIN TR 96808
4.2 m, fully wired
30 to 80 °C
max. 14 K
6(1.5) A 250V~
inside the casing
DIN TR 116807
or
DIN TR 96808
VIESMANN
65
5