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Multi Variable Air Conditioners Fresh Air Series Indoor Unit 

24 

 

7 Table of Error Codes for Indoor Unit 

Error 

Code 

Content 

Error 

Code 

Content 

Error 

Code 

Content 

L0 

Indoor Unit Error 

LA 

Indoor Units Incompatibility 

Error 

d9 

Jumper Cap Error 

L1 

Indoor Fan 

Protection 

LH 

Low Air Quality Warning 

dA 

Indoor Unit Network 

Address Error 

L2 

E-heater Protection 

LC 

ODU-IDU Incompatibility 

Error 

dH 

Wired Controller PCB 

Error 

L3 

Water Full 
Protection 

d1 

Indoor Unit PCB Error 

dC 

Capacity DIP Switch 

Setting Error. 

L4 

Wired Controller 

Power Supply Error 

d3 

Ambient Temperature 

Sensor Error 

dL 

Outlet Air Temperature 

Sensor Error 

L5 

Freeze protection 

d4 

Inlet Pipe Temperature 

Sensor Error 

dE 

Indoor Unit CO

2

 Sensor 

Error 

L7 

No Master Indoor 

Unit Error 

d6 

Outlet Pipe Temperature 

Sensor Error 

C0 

Communication Error 

L8 

Power Insufficiency 

Protection 

d7 

Humidity Sensor Error 

AJ 

Filter Cleaning Reminder 

L9 

Quantity Of Group 

Control Indoor Units 

Setting Error 

d8 

Water Temperature Error 

o1 

Low bus bar voltage of 

indoor unit   

o2 

High bus bar voltage 

of indoor unit 

o3 

IPM Module Protection of 

Indoor Unit   

o4 

Failure Startup of Indoor 

Unit   

o5 

Overcurrent 

Protection of Indoor 

Unit   

o6 

Current Detection Circuit 

Malfunction of Indoor Unit   

o7 

Desynchronizing 

Protection of Indoor Unit   

o8 

Communication 

Malfunction of 

Indoor Unit’s Drive   

o9 

Communication Malfunction 

of Main Mater of Indoor Unit 

oA 

High temperature of 

Indoor Unit’s Module 

ob 

Malfunction of 

Temperature Sensor 

of Indoor Unit’s 

Module   

oC 

Charging Circuit Malfunction 

of Indoor Unit   

o0 

Other Drive Malfunction 

db 

Special Code: Field Debugging Code 

 

 
 
 
 
 
 
 
 
 
 
 

Содержание GMV-NDX125P/A-T

Страница 1: ...s Manual Original Instructions Commercial Air Conditioners Multi Variable Air Conditioners Fresh Air Series Indoor Unit Models GMV NDX125P A T GMV NDX140P A T GMV NDX224P A T GMV NDX250P A T GMV NDX28...

Страница 2: ...used for long cut off the power supply please energize and preheat the unit in advance before reusing it 3 Please properly select the model according to actual using environment otherwise it may impac...

Страница 3: ...Notice This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given s...

Страница 4: ...Installation and Test of Drain Pipe 13 4 4 Installation of Air Duct 15 4 5 Installation of Wired Controller 17 5 Wiring Work 17 5 1 Connection of Wire and Patch Board Terminal 18 5 2 Power Cord Connec...

Страница 5: ...IEC 60335 2 40 2018 and must only be connected to other units that have been confirmed as complying to corresponding partial unit requirements of this international standard The electrical interface s...

Страница 6: ...tric wires are connected correctly to avoid water leakage refrigerant leakage electric shock or fire etc Do not insert fingers or objects into air outlet or air return grille Open the door and window...

Страница 7: ...it by yourself Wrong maintenance may cause electric shock or fire hazard Please contact Gree appointed service center for help Any personal injury or property loss caused by improper installation impr...

Страница 8: ...units is more than one and all of them are VRF fresh air indoor units Optional indoor unit model Connected outdoor unit series Connection condition GMV NDX125P A T GMV NDX140P A T GMV NDX224P A T GMV...

Страница 9: ...X224P A T 22 4kW GMV5 GMV6 GMV Slim GMV NDX250P A T 28kW GMV NDX280P A T 28kW Fig 2 1 5 Connection diagram of only one VRF fresh air indoor unit system Note Please match the outdoor unit in strict acc...

Страница 10: ...ng the unit 5 M10 Nut M10 8 4 4 8 PC To be used together with the hanger bolt for installing the unit GMV NDX125 140P A T 4 GMV NDX224 280P A T 8 6 M10 Washer Spring Washer M10 2 6 4 PC To be used tog...

Страница 11: ...e these electric appliances may have image interference and noise Even if the distance is 1m when there is strong electric wave noise may still occur Unit mm Fig 3 2 1 Note Installation of the unit mu...

Страница 12: ...se magnetic field or strong interference it is necessary to use shielded wire 3 3 2 Select communication line for indoor unit and indoor unit outdoor unit Fig 3 3 2 Material Type Total Length L m of C...

Страница 13: ...it breaker and power cord in above sheet is selected based on the max power max current of unit Above selection requirements of power cord size Power cord size is based on multicore copper core cable...

Страница 14: ...hould be on one side of the electric box and below unit s lower level Fig 4 1 1 Below are dimensions of A B C etc for different models Unit mm Model A B C D E F G GMV NDX125P A T 1440 500 1530 300 754...

Страница 15: ...according to the 4 spots on the paper pattern The punching diameter may refer to the diameter of expansion bolt about 60mm to 70mm depth as shown in Fig 4 1 4 Unit mm Fig 4 1 3 Fig 4 1 4 2 Insert the...

Страница 16: ...cket in a corner and secure the unit on the beam 4 1 4 Horizontal Alignment After the indoor unit is installed remember to check the horizontal status of the whole unit It should be horizontal from fr...

Страница 17: ...drain out easily 5 Size of the drainage hose must not be smaller than that of the drain pipe 6 Install the drain pipe according to the following diagram and make it insulated Improper installation wi...

Страница 18: ...t capacity Unit mm Fig 4 3 4 5 Install the trap as shown in following Fig 4 3 5 Fig 4 3 5 6 Install one trap for each unit 7 Convenience for cleaning trap in the future should be considered when insta...

Страница 19: ...ayer on air out duct air return duct and fresh air duct to avoid heat loss and moisture Adhere a nail on the air duct and then add thermal sponge with a layer of tin Fasten it with a nail cover and th...

Страница 20: ...esh Air Series Indoor Unit 16 4 4 1 Installation of Air out Duct 1 Installation of the Rectangular Duct Fig 4 4 1 2 Installation of Circular Duct Fig 4 4 2 4 4 2 Shape and Size of Air outlet and Air r...

Страница 21: ...al operation or damage the unit 3 Power capacity should be large enough Sectional area of room wires should be above 2 5mm 4 For unit s power supply please use specialized branch circuit and specializ...

Страница 22: ...n Fig 5 1 1 1 Strip about 25mm insulation of the wire end by stripping and cutting tool 2 Remove the wiring screws on the terminal board 3 Shape the tail of wire into ring by needle nose plier and kee...

Страница 23: ...d ODU 1 Detach the electric box lid 2 Let the Communication cable pass through the wiring through holes 3 Connect the communication wire to terminal D1 and D2 of indoor 4 bit wiring board as shownin F...

Страница 24: ...rd 4 Fix the communication wire with wire clip on the electric box 5 Wiring instructions of remote receiving light board and wired controller 1 Fig 5 4 1 shows the installation of wired controller Fig...

Страница 25: ...indoor units at the same time the indoor units must be of the same model Fresh air indoor unit cannot share the same wired controller with other types of VRF indoor unit When two wired controllers ar...

Страница 26: ...Multi Variable Air Conditioners Fresh Air Series Indoor Unit 22 Fig 5 5 1...

Страница 27: ...e a vacuum cleaner to remove dust If the filters are dirty wash them with warm water and mild detergent and dry the filters in the shade 2 If the unit used in the environment with much dust please cle...

Страница 28: ...ensor Error L7 No Master Indoor Unit Error d6 Outlet Pipe Temperature Sensor Error C0 Communication Error L8 Power Insufficiency Protection d7 Humidity Sensor Error AJ Filter Cleaning Reminder L9 Quan...

Страница 29: ...or blocked Too heavy heat load of room e g too many people Door or windows is open Air inlet and outlet of IDU are blocked Set temperature is too high or refrigerant leaks The performance of room temp...

Страница 30: ......

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