C325R - Rinnai

Owned by Alex Murphy
Last updated: 23 Aug 2024 by Shahab
3 min read

Rinnai Compatibility:

Current Firmware Version - 1.0

SERIES & kW

INDOOR

OUTDOOR

DINLR XX Series only

 

 

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

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

CN40.jpg

 

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

  • First, turn off the air conditioner

 

  • Clear the indoor addresses by adjusting the S6 dip switch on OUTDOOR UNIT BOARD according to the photo:

     

  • Wait for 5 minutes, then turn the air conditioner back on.

  • Please wait another 5 minutes and turn it off again.

 

  • Next, switch the unit to automatic addressing as shown below:

     

 

 

 

 

  • Now please connect iZone system back to the indoor unit and wait for 5 minutes. Afterward, switch on the air conditioner and test it using iZone.