Boiler water temperature sensor in conjunction with the Vitotronic 100, type GC4B and Vitotronic 300,
type GW4B
Dual temperature sensor for connection to the burner control unit of
the Vitocrossal 200, type CM2 400 to 620 kW.
Specification
Cable length
2.2 m, fully wired
IP rating
IP 32 to EN 60529, ensure
through design/installation
Sensor type
Viessmann dual sensor
NTC 10 kΩ/20 kΩ, at 25 °C
Permissible ambient temperature
– during operation
0 to +125 °C
– during storage and transportation
−30 to +70 °C
Cylinder temperature sensor
Part no. 7426463
Specification
Cable length
5.8 m, fully wired
IP rating
IP 32 to EN 60529; ensure
through design/installation
Sensor type
Viessmann NTC 10 kΩ, at
25 °C
Permissible ambient temperature
– During operation
0 to +90 °C
– During storage and transport
–20 to +70 °C
Outside temperature sensor
Installation site:
■ North or north-western wall of the building
■ 2 to 2.5 m above the ground, for multi storey buildings in the upper
half of the second floor
Connection:
■ 2-core lead, length max. 35 m with a cross-section of 1.5 mm
2
(cop-
per).
■ Never route this lead immediately next to 230/400 V cables
41
66
80
Specification
IP rating
IP 43 to EN 60529
ensure through appropriate
design/installation
Sensor type
Viessmann NTC 10 kΩ, at
25 °C
Permissible ambient temperature dur-
ing operation, storage and transport
−40 to +70 °C
9.3 Vitotronic 100, type GC1B, part no. 7498 901
Specification
Construction
The control unit comprises a standard unit, electronics modules and a
programming unit.
Standard unit:
■ ON/OFF switch
■ Test key
■ Emissions test switch
■ Optolink laptop interface
■ Temperature controller
TR 1168
or
TR 1107
■ High limit safety cut-out
STB 1169
or
STB 115408
■ Fuses
Control units
(cont.)
Gas condensing boilers
VIESMANN
55
5822 449 GB
9