Radio Clock Receiver; Km Bus Distributor; Mixer Extension Kit With Integral Mixer Motor - Viessmann VITODENS 200-W Technical Manual

Control units
(cont.)
2 0

Radio clock receiver

Part no. 7450 563
For receiving the DCF 77 time signal (location: Mainflingen near Frank-
furt/Main).
Radio controlled setting of time and date.
Install on an outside wall, facing the transmitter. The reception may be
reduced by metallic elements in the building structure, e.g. steel rein-
forced concrete, neighbouring buildings and sources of electro-mag-
netic interference, e.g. HV and public transport lines.
Connection:
■ 2-core lead, length up to 35 m with a cross-section of 1.5 mm
per)
■ Never route this lead immediately next to 230/400 V cables.

KM BUS distributor

Part no. 7415 028
For the connection of 2 to 9 devices to the Vitotronic KM BUS.
5

Mixer extension kit with integral mixer motor

Part no. 7301 063
KM BUS subscriber
Components:
■ Mixer PCB with mixer motor for Viessmann mixer DN 20 to 50 and
R ½ to 1¼
■ Flow temperature sensor (contact temperature sensor)
■ Plug for connecting the heating circuit pump
■ Power cable (3.0 m long) with plug
■ BUS cable (3.0 m long) with plug
The mixer motor is mounted directly onto the Viessmann mixer DN 20
to 50 and R ½ to 1¼.
VIESMANN
62
Comprising:
■ Wall mounting base with fixing materials
■ 5 m long cable with plugs
■ Cover for the control unit aperture on the boiler
6 6
4 1
2
(cop-
Specification
Lead length
Protection
Permissible ambient temperature
– during operation
– during storage and transport
Mixer PCB with mixer motor
0
1 8
Specification
Rated voltage
Rated frequency
3.0 m, fully wired
IP 32 to EN 60529;
safeguard through appro-
priate design and installa-
tion
0 to +40 °C
-20 to +65 °C
1 3
0
230 V~
50 Hz
VITODENS 200-W