Lon Connecting Cable For Data Exchange Between Control Units; Extension Of The Connecting Cable; Terminator (2 Pce.); Km Bus Distributor - Viessmann VITODENS 242-F Technical Manual

Gas condensing storage combi boiler
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Control units
(cont.)

LON connecting cable for data exchange between control units

Part no. 7143 495

Extension of the connecting cable

■ Installation spacing 7 to 14 m:
– 2 connecting cables (7.0 m long)
Part no. 7143 495
– 1 LON coupling RJ45
Part no. 7143 496
■ Installation distance 14 to 900 m with plug-in connectors:
– 2 LON plug-in connectors
Part no. 7199 251
– 2-core cable:
CAT5, screened
or
Solid conductor AWG 26-22 / 0.13 mm
Conductor AWG 26-22 / 0.14 mm
7 4.5 mm - 8 mm
on-site
■ Installation distance 14 to 900 m with junction boxes:
– 2 connecting cables (7.0 m long)
Part no. 7143 495
– 2-core cable:
CAT5, screened
or
Solid conductor AWG 26-22 / 0.13 mm
Conductor AWG 26-22 / 0.14 mm
7 4.5 mm - 8 mm
on-site
– 2 LON sockets RJ45, CAT6
Part no. 7171 784

Terminator (2 pce.)

Part no. 7143 497
To terminate the LON BUS at the first and last control unit.

KM BUS distributor

Part no. 7415 028
For the connection of 2 to 9 devices to the Vitotronic KM BUS.

Immersion temperature sensor

Part no. 7179 488
To capture the low loss header temperature.
VITODENS
2
2
- 0.32 mm
,
2
2
- 0.36 mm
2
2
- 0.32 mm
,
2
- 0.36 mm
2
Cable length 7 m, fully wired.
Specification
Lead length
Protection
Permissible ambient temperature
– during operation
– during storage and transport
3.0 m, fully wired
IP 32 to EN 60529;
7
safeguard through appro-
priate design and installa-
tion
0 to +40 °C
-20 to +65 °C
VIESMANN
93

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Vitodens 222-fVitodens 333-f

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