Mitsubishi Electric
Module used to integrate with a Mitsubishi Electric AC unit. The iZone AC unit module (C325#) connects to the CPU module (C225) to enable communication with a ducted AC unit.
R410 ducted AC units and older models
Compatibility
| Series | Indoor | Outdoor | AC Unit module |
|---|---|---|---|
| R410 Gas Type | PEA-M##GAA (10kW–14kW) | - | C325M2 |
| R410 Gas Type | PEA-M##HAA (10kW–14kW) | - | C325M2 |
| R410 Gas Type | PEA-M##JAA (10kW–14kW) | - | C325M2 |
| R410 Gas Type | PEA-RP200WJA (20kW) | PUZ-RP200YKA | C325M (contact salesdesk) |
| R410 Gas Type | PEA-RP250WHA (25kW) | PUZ-RP250YKM | C325M (contact salesdesk) |
Connection
Polarity is not critical.
Take the Remote Controller (A/B or 1/2) control wire from the fan coil unit and connect it to the AC Unit Control Cable on the C225 / C325M2. Connection wiring for ME AC unit:

Notes
None
R32 Gas Type
Compatibility
| Series | Indoor | Outdoor | AC Unit module |
|---|---|---|---|
| R32 Gas Type 16kW | PEA-M160HAA | PUZ-ZM160YKA-A.TH | C325M2 |
| R32 Gas Type 18kW | PEA-M180LAA.TH | PUZ-ZM180YKA-A.TH | C325M2 |
| R32 Gas Type 20kW | PEA-M200LAA.TH | PUZ-ZM200YKA-A.TH | C325M2 |
| R32 Gas Type 25kW | PEA-M250LAA.TH | PUZ-ZM250YKA-A.TH | C325M2 |
Connection
Polarity is not critical.
Take the Remote Controller (A/B or 1/2) control wire from the fan coil unit and connect it to the AC Unit Control Cable on the C225 / C325M2. Connection wiring for ME AC unit

Notes
-
DIP switch 8 on switch SW5 needs to be in the off position for both the old and the new modules to work. A hard reset must be performed after you have changed the dip switch settings.

ME PCB

ME SW5
R32 VRF (Multi-City) units
Compatibility
| Series | Indoor | Outdoor | AC Unit module |
|---|---|---|---|
| Low Noise Ceiling | PEFY-P VMR-E-L/R | PUMY-P Series, PUMY-SP Series | C325M2 |
| Low Static Pressure Ceiling | PEFY-P VMS1(L)-E | PUMY-P Series, PUMY-SP Series | C325M2 |
| Medium Static Pressure Ceiling | PEFY-P-VMA(L)-E4 | PUMY-P Series, PUMY-SP Series | C325M2 |
| Compact Depth Ceiling | PEFY-P VMX(L)-E(1) | PUMY-P Series, PUMY-SP Series | C325M2 |
| High Static Pressure Ceiling | PEFY-P-VMHS-E | PUMY-P Series, PUMY-SP Series | C325M2 |
| Fresh Air Intake Ceiling | PEFY-P VMHS-E-F | PUMY-P Series, PUMY-SP Series | C325M2 |
| Wall Mounted | PKFY-P-VLM-E / PKFY-P-VKM-E | PUMY-P Series, PUMY-SP Series | C325M2 |
Connection
Polarity is not critical. Take the Remote Controller (A/B or 1/2) control wire from the fan coil unit and connect it to the AC Unit Control Cable on the C225 / C325M2
See VRF Wiring for further infomation.
Notes
DIP switch settings
C325M2 may cycle if zone sensor location does not match AC unit configuration. To switch between zone control with temperature sensors and return air control, please refer to ME fan coil unit instructions to locate control board switch.
Zone sensor location switch settings may differ from example below.
SAMPLE EXAMPLE (CHECK UNIT MANUAL FOR ACTUAL SETTINGS):

Firmware and Updates
C325M2 1.4 - Jul 2025
- Added 4-letter error code
C325M2 1.3 - Sep 2025
- VRF support (require C225 v3.72, CVRFH v1.1, COCBH v4.29, NOVA v1.15 or greater)
- Fixed Nova controller crash in Quiet Mode with four fan speeds enabled.
C325M2 1.2 - Feb 2025
- Fix to remove errors reported by Nova when fan speed is set to quiet mode.
C325M2 1.1 - Dec 2024
- Added Mitsi Electric 4th fan speed (require C225 v3.69, COCBH v4.29 or greater)
C325M2 1.0 - Sep 2020
- First release