iSMA-B-FCU Hardware User Manual
www.ismacontrolli.com
DMP242en | 1st Issue rev. 3 | 02/2022
page 26 of 53
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Figure 23. O5 digital output, example of 24 V AC electrical cooler connection (iSMA-B-FCU-LL)
5.2.3 Analog Outputs
The iSMA-B-FCU device is equipped with 3 analog outputs 0-10 V DC. These outputs are
designed for controlling the following actuators:
A1 (HTG), analog heating valve actuator;
A2 (CTG), analog cooling valve actuator;
A3 (FAN), analog fan speed control.
The recommended way of connecting analog outputs is presented in the figures below.
Figure 24. Analog outputs, example of connecting 0-10 V analog valve actuators
