External extension H2
The external extension is connected
to the boiler control unit via the KM
BUS. The following functions can be
controlled or processed simulta-
neously via the extension:
A
ON/OFF switch (on site)
fÖ
Power supply
aVD
&
External blocking
(terminals 2 - 3)
&
External demand
(terminals 1 - 2)
&
External heating program
changeover (terminals 1 - 2)
(only for weather-compen-
sated operation)
The allocation of function
"External heating program
changeover" is set via coding
address "91".
aVG
KM BUS
Extensions for external connections . . .
(cont.)
104
Function description
5592
817
GB
Summary of Contents for VITOPEND 200
Page 12: ...Opening the control unit casing 12 Installation sequence 5592 817 GB...
Page 16: ...Fitting the programming unit into the control unit 16 Installation sequence 5592 817 GB...
Page 17: ...Fitting the front panel 17 Installation sequence 5592 817 GB Installation...
Page 113: ...Connection and wiring diagram internal connections 113 Designs 5592 817 GB Service...
Page 119: ...Parts lists cont 119 Parts lists 5592 817 GB Service...
Page 120: ...Parts lists cont 120 Parts lists 5592 817 GB...
Page 121: ...Parts lists cont 121 Parts lists 5592 817 GB Service...
Page 122: ...Parts lists cont 122 Parts lists 5592 817 GB...
Page 130: ...130 5592 817 GB...
Page 131: ...131 5592 817 GB...