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iZONE 325 FUJITSU AC UNIT MODULE






iZone C325F2 Fujitsu Air-Conditioner Interface Module

The iZone C325F2 is a communication interface designed to connect an iZone C225 control system with compatible Fujitsu ducted air conditioners. It enables integrated air-conditioning and zoning control through the iZone touchscreen, temperature sensors and mobile app when a Smart Hub is installed.

Key Features

  • Integrates compatible Fujitsu systems with the iZone C225 CPU

  • Controls system on/off, operating mode, set temperature and fan speed

  • Supports return-air, zone, master and RF temperature-sensor control

  • Compatible with selected R32 and R410A Fujitsu systems

  • Supports selected single-phase and three-phase ducted units

  • Suitable for compatible mid-static, high-static and cassette systems

  • App control available when connected to an iZone Smart Hub

Compatible Fujitsu Systems

RefrigerantCompatible series
R410ASelected ARTG high-static ducted systems
R410ASelected ARTC three-phase high-static systems
R32Selected ARTH mid-static and high-static systems
R32AUTG54LRLA 14.0 kW ceiling cassette

Compatibility includes selected Fujitsu indoor units from approximately 5.0 kW to 25.0 kW, depending on the series.

Connection Requirements

Fujitsu seriesConnection terminals
ARTG and ARTCTerminals 2 and 3
ARTHTerminals Y2 and Y3
  • Connection polarity is critical

  • Requires shielded two-core twisted-pair cable

  • Communication cable is not supplied by iZone

  • ARTH systems require DIP switch SW1 to be set in the UP position

Important Installation Information

Do not connect the interface to the indoor unit’s 12V terminal:

  • Do not use terminal 1 on ARTG or ARTC systems

  • Do not use terminal Y1 on ARTH systems

Incorrect wiring may damage the iZone equipment. Always confirm the complete indoor and outdoor model numbers before ordering.

Source: iZone Fujitsu compatibility documentation


Internal Reference: IZ-C325F2