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Gree Compatibility: |
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Current Firmware Version - 1.3 |
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Gree are using the same model numbers for their new R32 Gas type units, please see this link to find about the compatible module and wiring diagram. https://izone.atlassian.net/wiki/x/AQAPF |
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Cannot use Zones, Master or RF as controlling sensor, RA ONLY |
CODE | SENSOR TYPE | CONNECTION |
C325G v1.3 | RA ONLY | A/B - Polarity Critical |
SERIES & kW | INDOOR | OUTDOOR |
Single phase R410A Gas Type | GUD###PHS/B-S | GUD###W/NHB-S |
ATTENTION: Above models requires Gree proprietary controller for setup | ||
SERIES & kW | INDOOR | OUTDOOR |
American Design R32 Gas Type | GUD###PHS1/C-S | GUD###W1/NHC-S |
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Polarity IS critical for both types. See below for correct connection |
Single phase R410A Gas Type
Connect the Gree proprietary wired controller to the FCU PCB
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
As per the instructions set the sensor to return air for all modes
Set the iZone control setting
Set the required static pressure setting
Cycle the power to the AC unit
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'
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| 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 | ||
1️⃣ Indoor fan coil unit PCB: Note connector CN1
2️⃣ 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
3️⃣ C225 AC unit connector: Connect AC unit cable from fan coil to C225 as indicated
4️⃣ 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
5️⃣ Cable from CN1: Connect a shielded, 2 core, twisted pair cable to the connector and short cable provided
C-S Series (New R32 Gas Type)
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Gree has introduced a new indoor board design of their R32 units (American Design). Please see the info at below for GUDXXXPHS1/C-S compatibility. |
