Immersion Thermostat; Contact Thermostat - Viessmann VITOLADENS 300-W Technical Manual

Control unit
(cont.)
Specification
Rated voltage
Rated frequency
Rated current
Power consumption
IP rating
Protection class
Permissible ambient temperature
– during operation
– during storage and transport
Rated capacity of the relay outputs
Heating circuit pump sÖ
Mixer motor
Required runtime of the mixer motor
for 90 ° ∢
Flow temperature sensor (immersion sensor)

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
6

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.
VIESMANN
64
Specification
230 V~ Lead length
50 Hz IP rating
2 A
5.5 W
IP 32 D to EN 60 529, Sensor type
ensure through appropriate Permissible ambient temperature
design/installation – during operation
I – during storage and transport
0 to +40 °C
-20 to +65 °C
2(1) A 230 V~
0.1 (0.1) A 230 V~
approx. 120 s
Specification
Lead length
Setting range
Switching differential
Breaking capacity
Setting scale
Stainless steel sensor well
DIN reg. no.
4.0 m, fully wired
IP 32 to EN 60529; ensure
through appropriate design
and installation
Viessmann Ni500
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
VITOLADENS 300-W/VITOLADENS 333-F