iZonepediaC325#: AC Unit Interface - Install GuidesC325Y - York

C325Y - York

Owned by Alex Murphy
Last updated: 14 Dec 2022

York Compatibility:

6850018

6850038

6850048

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

Polarity is critical see below, for correct connection

  • Connect a 2 core + earth, twisted pair control cable from the  C225 / C325Y to the  X / Y in the fan coil unit. This cable is supplied by iZone - CACUCM15

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