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Part

Rev

Release date

Changes

Firmware

C225

A

10-Apr-2019

  • First release

3.65

B

12-Jan-2022

  • New MCU

3.65

C

12-Jan-2022

  • New MCU

3.65

C150

A

7-Jan-2021

  • Initial release

3.65

C155

A

2524-Oct-2022Feb-2023

  • Initial release

3.65

8-zone CPU module (C225)

C225 3.66 - Jul 2024

  • Fix schedule over midnight

  • Fix return air reading in Nova when no temperature control is present

  • Change time to ‘auto turn off AC system’ from 60s to 3s

  • Fix Brivis 6-fan speed in auto mode

  • Add ‘add-on cooler’ option to the Brivis system

  • Added sleep timer count down

C225 3.65 - Jun 2024

  • Hot water system release (IRD-189)

  • Brivis system release (IRD-385)

  • Forward system reset message before resetting itself

  • Send zone 11 setpoint to COCB

  • Change structure of AC unit control firmware for the future VRF system

C225 3.64 - Mar 2024

  • Hot water system initial update

  • Add humidity to zones

  • Send damper positions to COCBH

  • Only slow down dampers when bypass is used

  • Added Haier AC unit control

C225 3.63 - Jul 2023

  • Fix AC unit connection bug (CTZ type boards)

  • Added Gree AC unit

  • Added Haier and MHI to slow damper strategy

C225 3.59 - Jan 2023

  • Fixed advanced constant control with fan auto disabled

6-zone CPU module (C150)

C150 3.65 - Jun 2024

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