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Panel
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bgColor#C0B6F2#B3D4FF
C325G

Panasonic Compatibility:

GREE

Can use RA as controlling sensor
Panel
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Gree Compatibility: Inverter ducted, single phase units only

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#C0B6F2

Current Firmware Version - 1.6

SERIES & kW

INDOOR

OUTDOOR

S - series  units

 

 

Nano X high static ducted

 

 

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Cannot Can use RA, Zones, Master or RF as controlling sensor

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Polarity is not critical see below, for correct connection

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Requires Gree proprietary controller for setup

  1. Connect the Gree proprietary wired controller to the FCU PCB

  2. Enter the service mode parameters

To enter Service Mode, power must be connected to the unit and proprietary wired controller, and the unit must be switched 'OFF' at the wall control. Follow the steps below and refer to the function and parameter setting table

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  1. As per the instructions set the sensor to return air for all modes

  2. Set the iZone control setting

  3. Set the required static pressure setting

  4. Cycle the power to the AC unit

  5. Connect a 2 core, twisted pair control cable from the C225 / C325G X / Y to CN1 in the fan coil unit

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A connector and short cable has been provided with the C325G but will need to be extended

Service Mode Parameter Table

Function Display

Function Description

Parameter Display

Parameter Description

0

Temp sensor location

Ensure set to '01'

 

01

Sensor at return air for all modes

02

Sensor at wired control for all modes

03

Sensor at return air for cool, dry & fan modes, at wired control for heat mode

10

iZone control

Ensure set to '01'

00

Standard control

01

iZone control setting

11

Indoor fan power setting

Factory default '05'

Adjust to suit installed static

Low static = '01'

High static = '09'

 

 

 

 

 

 

ESP (Pa)

High Speed

Low Speed

01

10

5

1

02

20

6

2

03

30

7

3

04

40

8

4

05

50 (default)

9

5

06

75

10

6

07

100

11

7

08

150

12

8

09

200

13

9

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  • Indoor fan coil unit PCB: Note connector CN1

  • Connector and short cable provided: Insert the connector and short cable (see image below) into the connector CN1. Note the correct polarity for X & Y. Polarity is critical

  • 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 CN1 connector on the fan coil PCB and the C225 cable connector

    • Cable from CN1: Connect

    • Take  the R1 / R2 control wire from the fan coil unit  and connect it to the AC Unit Control Cable on the  C225 / C325P2

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    1️⃣ C225 Module: Ensure a C325P / C325P2 module is connected to the C225 module

    2️⃣ Connect R1 / R2 wires here: Use a shielded, 2 core, twisted pair cable from the FCU to the

    connector and short cable provided

    C225 module