Specification
Rated voltage
230 V~
Rated frequency
50 Hz
Rated current
2 A
Power consumption
5.5 W
IP rating
IP 32 D to EN 60 529,
ensure through appropriate
design/installation
Protection class
I
Permissible ambient temperature
– during operation
0 to +40 °C
– during storage and transport
-20 to +65 °C
Rated capacity of the relay outputs
Heating circuit pump
sÖ
2(1) A 230 V~
Mixer motor
0.1 (0.1) A 230 V~
Required runtime of the mixer motor
for 90 °
∢
approx. 120 s
Flow temperature sensor (immersion sensor)
Specification
Lead length
4.0 m, fully wired
IP rating
IP 32 to EN 60529; ensure
through appropriate design
and installation
Sensor type
Viessmann Ni500
Permissible ambient temperature
– during operation
0 to +120 °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.
Control unit
(cont.)
64
VIESMANN
VITOLADENS 300-W
/
VITOLADENS 333-F
6
5822 425 GB
