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12
SYSTEM OVERVIEW: MZ-HOME CONTROLLER
12 MZ-Home | Operating instructions
C: Integration into the building management system (analogue input)
It is not possible to connect a potential-free switch and an analogue input to a single Clust-Air
module simultaneously. A connected analogue input always has priority over a potential-free
switching contact.
If the interface is used as an analogue input, the ventilation unit can be integrated into an existing
building management system. For this purpose, depending on the desired function, a predefined
DC voltage is set in the building management unit for each Clust-Air module. The control voltage
should have a resolution of 10 bits.
Depending on the control voltage, the following functions are available:
Function Control voltage [V DC]
Manual control 0.00 ≤ U ≤ 0.50
Pause function 1.00 ≤ U ≤ 1.50
Heat recovery output level 1 2.00 ≤ U ≤ 2.50
Heat recovery output level 2 3.00 ≤ U ≤ 3.50
Heat recovery output level 3 4.00 ≤ U ≤ 4.50
Continuous ventilation level 1 6.00 ≤ U ≤ 6.50
Continuous ventilation level 2 7.00 ≤ U ≤ 7.50
Continuous ventilation level 3 8.00 ≤ U ≤ 8.50
When connecting an analogue input to the Clust-Air module, the
Analogue
input for the respec-
tive zone must be selected in the
settings
main menu (

4.7).
Deactivating the interface
The interface on the Clust-Air module can be deactivated in the
settings
main menu (

4.7).
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