De Dietrich VM iSystem AD281 Installations- Und Wartungsanleitung Seite 28

2. Installation
EN
4
M
26
2.2.4.
M
1
4 3
M M
BUS
(RX11)
The boiler's control panel is the master for the BUS. The functioning of
the generator(s) is linked to the actual needs of the secondary circuits.
The outside temperature sensor fitted to the boiler's control panel is
used as the reference for each VM iSystem .
VM iSystem control system or network of
control systems connected to one or more
boilers in cascade
M M
2
BUS
(RX11)
Compulsory outside sensor
A
Optional outside sensors
Z
Master boiler
E
Follower boilers
R
VM iSystem
20...39
Each circuit on each VM iSystem control system can be
fitted with an outside temperature sensor (zone regulation).
VM iSystem - AD281
M M
C003691-A
2
20... => 39
11/10/2017 - 300027106-001-02
(0450281003)