C325D2 - Daikin 2

Owned by Alex Murphy
Last updated: 12 Apr 2024 by Shahab
3 min read

Daikin Compatibility: Will connect to most ducted models with a P1 / P2 terminal in the FCU and the current Daikin controller can run the unit

Daikin Error Code Finder: https://www.daikin.com/products/ac/services/errorcode_search?lang=en

Please see below for the instruction on how to connect and configure iZone with DAIKIN VRV.

SERIES & kW

INDOOR

OUTDOOR

PREMIUM INVERTER SINGLE PHASE / 7kw - 16kw

FDYA###AV1

RZA###CV1

PREMIUM INVERTER SINGLE PHASE / 7kw - 16kw

FDYQ###AV1

RZQ###CV1

PREMIUM INVERTER THREE PHASE / 20kw - 25kw

FDYQ###LCV1

RZYQ##TY1

INVERTER SINGLE PHASE / 5kw - 16kw

FDYAN###AV1

RZA###CV1

INVERTER SINGLE PHASE / 5kw - 16kw

FDYQN###AV1

RZQ###CV1

INVERTER THREE PHASE / 7kw - 25kw

FDYAN###AV1

RZA###CV1

INVERTER THREE PHASE / 7kw - 25kw

FDYQN###AV1

RZQ###CV1

VRV

FXMQ###-PAVE

 

P1 / P2: Connect to the P1 and P2 terminals in the Daikin FCU. Polarity is not critical

iZone C225 module: Ensure the correct C325 module is connected for the AC unit make it is controlling

P1 / P2: Connect the P1 / P2 cable from the Daikin FCU to here. Polarity is not critical

Shielded cable: Shielded, 2 core, twisted pair cable must be used and is not supplied by iZone

C325D - Daikin VRV Setup Tips

  1. Remove iZone controller from the P1/ P2 connection

  2. Turn off the power to the unit / condenser for 15mins

  3. Connect the Daikin controller to the unit while the power is off

  4. After the 15mins then turn the unit back on and put the unit through the test cycle “usually takes around 15 mins but could take longer”

  5. After the test mode confirm that the unit runs in both HEAT and COOL

6. Turn off the unit via the Daikin control “stop the Fan from running”

7. Remove the Daikin controller and connect up the iZone control via the P1/ P2 connection