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ADI CD boiler - Technical Manual
37
13. HEATING CIRCUITS
For the heating circuits, a number of functions are available (see parameters table) which can be individually set for
each heating circuit. Every heating circuit can be a virtual circuit, pump circuit or mixing circuit. The
Mixing
function is
available only when an external extension module (AGU2.550A109) is needed.
If, with the mixing circuit, the flow sensor of that circuit is not connected, it becomes a pump circuit with regard to
functions.
Every boiler is able to control 3 heating circuits with mixing function (3 extension modules are needed). It is necessary
to give power supply and a bus connection to each extension module (AGU2.110).
a) System drawing: 1 Boiler with 3 heating circuits
11
EXTENSION MODULES
DIRECTIONS
1
1 2
=
Extension module 1
2
1 2
= Extension module 2
On/On
Off/Off
= Extension module 3
= No function
(B)
(A)
(A)
(A) Extension module AGU2.550A109
(B) Bus Cable AGU2.110
X50
7471z118e/1210
M
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Содержание ADI CD 375
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