iSMA-B-FCU Quick Start-up
www.ismacontrolli.com
DMP245en | 1st Issue rev. 1 | 04/2022
page 6 of 56
3 Configuring and Connecting the Controller
3.1 Controller Overview
This section outlines the differences between the FCU hardware versions and describes
steps required to properly configure the controller. For further information, please see
the iSMA-B-FCU Hardware manual.
Figure 2. FCU controller HH version; HL and LL versions with different power voltages
The PROTOCOL DIP switch is responsible for configuring the communication protocol.
The MAC DIP switch is responsible for addressing the controller.
The CFG DIP switch is responsible for configuring the application.
Note:
The detailed information about the DIP switches configuration is available in the
FCU Hardware manual.
The iSMA-B-FCU controller configuration step by step is described in chapter 3 of this
document and consists of steps:
Step 1:
configuration of the PROTOCOL DIP switch responsible for selecting used
protocol and its baud rate, and restoring the controller to the default settings;
Step 2:
selecting the address of the controller by the MAC DIP switch;
Step 3:
selecting the FCU pipe type;
Step 4:
selecting 1 or 2 stages of heating;
Step 5:
selecting 1 or 2 stages of cooling;
Step 6:
selecting the type of control the FCU valves require, and heating and cooling
actuators connection details;
Step 7:
selecting the temperature control value source;
Step 8:
selecting the type of fan used within the project.
