AVS 75 extension module - Accessory
4.2.2.
Communication bus terminals
st
1
case: Just one module
2
nd
case: Several modules
module 3
(if present)
X30
4.2.3.
Boiler component terminals
"0 ... 10V" input
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module 2
X50
BSB bus supplied
with the modules
Pump
or "On/Off"
module 1
X50
X30
Mixer valve
Sensor
Programmable sensor
X30
BSB bus from
the boiler
X30
BSB bus from
the boiler
00BNO9055-A_EN