a. S1: Set to "OFF-ON-OFF-ON" (factory default on AHU Kit)
b. S2: All jumpers are intact, i e. no jumper has been cut. Also make sure, that the bridge
connector between terminals "M2-5" and "M2-6" (FREE) on the AHU kit's terminal connector
of section F has not been removed.
c. S3: Set to "VOLTAGE" or "NO VOLTAGE", depending on the local digital input (DI)
configuration.
Control via dry contacts (factory default)
d. S4: Set to "0–10 V".
8. Restore and fasten the upper mounting board in its original position, and close the AHU Kit
enclosure again (see →
AHU Kit – Installation Instructions – 09/2021
= "NO VOLTAGE"
4.1.1 Installation of AHU Kit – MAH2/PAH2 – step 6, p.
Control via 12 – 24 V DC signals
= "VOLTAGE"
12 –24 V DC
Control
7
GND
49).
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