C325H - Emerald
Emerald Compatibility
Confirmed compatible with C325H v2.4. Uses the same control method and wiring as Hitachi (TB2: A-B). Works as a Hitachi AC unit for iZone integration.
Current Firmware Version - 2.4
Supported Models
SERIES & kW | INDOOR | OUTDOOR |
|---|---|---|
R32 High/Medium Static Ducted 16 kW | ACR160D | ACR160U |
R32 High/Medium Static Ducted 20 kW | ACV200D | ACV200U |
Notes: Emerald ducted units listed above were manufactured by Hitachi per product owner discussion. Treat selection and wiring as per Hitachi C325H.
Sensor Options
Can use RA, Zones, Master or RF as the controlling sensor.
Polarity is not critical on A/B communication pair.
Connection and Wiring
Connect a shielded, 2-core, twisted pair control cable from the C225 / C325H to the fan coil control terminals TB2: A and B, with earth/shield bonded at the fan coil end.
Do not apply any voltage to this communication cable.
Wiring is identical to Hitachi C325H. Refer to: C325H - Hitachi
