C325MD - Midea

C325MD - Midea

Midea Compatibility:

Current Firmware Version:

  • C325R: 1.0

  • C325R2: 1.3

Can use RA, Zones, Master or RF as controlling sensor

Polarity is critical see below, for correct connection

For CN40 connection

SERIES & kW

INDOOR

OUTDOOR

MODULE

DUC series only

 

 

C325R

  • Connect a 2 core + earth, twisted pair control cable from the  C225 / C325MD to the  X / Y in the fan coil unit. This cable is supplied by iZone - CACUCM15

CN40.jpg

 

Indoor fan coil unit PCB

CN40: Connect to X and Y

C225 AC unit connector: Connect AC unit cable from fan coil to C225 as indicated

Polarity is critical: Make sure it is wired in accordance with these instructions on both the CN40 connector on the fan coil PCB and the C225 cable connector

Cable from CN40: Ensure the cable is shielded, 2 core, twisted pair. This cable is pre-terminated suitable for CN40 connector and is supplied by iZone

For CN45 HA HB connection

INDOOR

OUTDOOR

MODULE

DUCMI140IHC

DUCMI170IHC

UCMI140OC

C325R2

  • A 2-core twisted pair control cable must be connected from the C225 / C325R2 controller to the HA/HB (CN45) port on the fan coil unit. The cable is supplied by iZone (CACUCM15). Connect the AC unit communication cable from the fan coil unit to the C225 as indicated below:

    HA_HB_wiring.jpg