Rinnai Compatibility:

- 1.1 For CN40 connection.
- 1.2 For CN9 connection.
- 1.3 For CNXYE Connection
2 Resetting the Unit Addressing on Rinnai 18Kw+ units

Current Firmware Version - 1.0

SERIES & kW	INDOOR	OUTDOOR
DINLR XX Series only

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

Polarity is critical see below, for correct connection

For CN40 connection.

Connect a 2 core + earth, twisted pair control cable from the C225 / C325R to the CN40/CN9/CNXYE port on the fan coil unit. This cable is supplied by iZone - CACUCM15

The new Rinnai indoor units may have either of two connections: CN9 and CNXYE.

For CN9 connection.

For CNXYE Connection

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 /CN9/CNXYE 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

Resetting the Unit Addressing on Rinnai 18Kw+ units

When a Rinnai AC unit controller is used to do a test run, to put the iZone control system back on and operate the AC, unit addressing needs to be reset. Below is the procedure on how to do it.