iZone C325HI Haier Air-Conditioner Interface Module
The iZone C325HI is a communication interface designed to connect an iZone C225 control system with compatible Haier R410A ADH-series ducted air conditioners. It enables integrated air-conditioning and zoning control through the iZone touchscreen and mobile app when a Smart Hub is installed.
Key Features
Integrates compatible Haier R410A systems with the iZone C225 CPU
Controls system on/off, operating mode, set temperature and fan speed
Suitable for selected Haier ADH-series ducted units
Allows air-conditioning and zone operation from one iZone interface
App control available when connected to an iZone Smart Hub
Uses the Haier indoor unit’s return-air sensor for temperature control
Compatible Indoor Units
| Indoor model | Indoor-unit connection |
|---|
| ADH105H1ERG | CN24 |
| ADH125H1ERG | CN24 |
| ADH140H1ERG | CN24 |
| ADH160H1ERG | CN24 |
| ADH200H1ERG | CN19 |
| ADH250H1ERG | CN19 |
The C325HI is intended for compatible R410A ADH-series systems only. Haier R32 systems require the C325HI2 interface.
Temperature Control
The C325HI supports return-air temperature control only.
It cannot use the following as the air conditioner’s controlling sensor:
iZone zone sensors
Master controller sensor
RF temperature sensors
Additional Components Required
Haier YCJ-A002 interface board
Compatible Haier proprietary controller
Haier interconnecting cable
Shielded two-core twisted-pair communication cable
Connection Requirements
Connect the C325HI to the A/B terminals on the YCJ-A002 interface board
Connect the Haier-supplied interconnecting cable between the interface board and the indoor unit
Use CN24 or CN19 according to the indoor-unit model
Connection polarity is critical
The YCJ-A002 DIP switches must be correctly configured during commissioning
Always confirm the complete indoor and outdoor model numbers before ordering.
Source: iZone Haier compatibility documentation
