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
2
(cop-
per)
■ Never route this lead immediately next to 230/400 V cables.
Specification
Rated voltage 230 V ~
Rated frequency 50 Hz
Power consumption 1 W
Rated breaking capacity of the relay out-
put
4(2) A 230 V~
Protection IP 30 to EN 60529
safeguard through appro-
priate design and installa-
tion
Permissible ambient temperature
– during operation 0 to +40 °C
– during storage and transport -20 to +65 °C
Functions in connection with the function extension 0 – 10 V (accessory)
■
0 – 10 V input aVF:
Defaulting an additional set boiler water temperature
■
Switching output aBJ (zero volt contact)
Night contact (to signal reduced mode and to regulate the heating
circuit pump to a lower speed)
External extension H5
Part no. 7199 249
Function extension inside the casing.
With plug
aBÖ
for the following functions:
■ External demand and blocking
or
Connection of a flue gas damper
■ Connection of additional safety equipment
Cable 2.0 m long with plugs "X12" and
fA
for connection to the control
unit.
Specification
Rated voltage 230 V–
Rated frequency 50 Hz
Rated current 6 A
Protection class I
Protection IP 20 to EN 60529;
safeguard through appropriate
design and installation
Permissible ambient temperature
– during operation 0 to +40 °C
– during storage and transport -20 to +65 °C
Control units
(cont.)
VITOGAS
VIESMANN
61
5822 428 GB
6
To Next Page
Loading...
