Instructions

Intesis

Modbus RTU – Fujitsu User Manual r1.3 EN

This information is subject to change without notice

URL https://www.intesis.com

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3 Quick Start Guide

1. Disconnect the air conditioning from Mains Power.

2. Attach the interface next to the AC indoor unit (wall mounting) following the instructions of the diagram below

or install it inside the AC indoor unit (respect the safety instructions given).

3. Connect to CN65 between the interface and the AC indoor unit following the instructions of the diagram.

4. Connect the EIA-485 bus to the connector EIA485 of the interface.

5. Close the AC indoor unit.

6. Check the DIP-Switch configuration of the Intesis interface and make sure it matches the current installation’s

parameters:

By default, the interface is set to:

▪ Modbus Slave Address ➔ 1

▪ Modbus baud rate ➔ 9600 bps

These parameters can be modified from DIP-Switches (see for further information).

NOTE: All changes on the DIP-Switch configuration require a system power cycle to be applied.

7. Connect the AC system to Mains Power.

IMPORTANT: The Intesis interface requires to be connected to the AC unit (powered) to start

communicating.