Viessmann Vitoligno 300-H Installation And Service Instructions For Contractors page 130

Maintenance
Lambda probe
(cont.)
Lambda probe specification
Make NGK, type OZAS-S1
Curve
50
45
40
35
30
25
20
15
10
5
0
-5
-10
0 2 4 6 8
Flue gas oxygen content O2 in %
Fig. 72
Test point: Plug , no. 3 and 4, see page 148.
a:K
Probe type
Permiss. ambient temperature
During storage and transport
■
During operation
■
Extension kit for heating circuit with mixer
Extension kit type:
■ Mixer mounting
Wall mounting
■
Flow temperature sensor
■ Sensor type: NTC 10 k
■ Protection rating: IP 53 to EN 60529, ensure through
design/installation.
Permissible ambient temperature:
■
In operation: 0 to +120 °C
–
– During storage and transport: -20 to +70 °C
130
10 12 14 16 18 20 22
OZAS-S1
- 40 to +60 °C
Element tip: 350 to 900 °C
Externally: -40 to +100 °C
at 25 °C
Ω
Components:
■ Mixer motor, with connecting cable
Plug for connecting the heating circuit pump
■
Flow temperature sensor (contact temperature sen-
■
sor)