Kaysun KAY-35 DN7 - User Manual

PRODIGY 3D Inverter
Technical Manual

Summary

1. Precaution

1.1 Safety Precaution

General safety instructions to prevent injury and property damage.

1.2 Warning

Warnings related to installation, operation, and electrical safety.

3. Dimensions

3.1 Indoor Unit

Detailed dimensions for various indoor unit models.

3.2 Outdoor Unit

5. Installation Details

5.1 Wrench torque sheet for installation

Specifies torque values for various pipe diameters during installation.

5.3 Pipe length and the elevation

5.4 Installation for the first time

Air purging by refrigerant

Procedure for purging air from the system using refrigerant.

Adding the refrigerant if the pipe length >5 m

Method for adding refrigerant for longer piping installations.

5.6 Re-installation while the indoor unit need to be repaired

Collecting the refrigerant into the outdoor unit

Steps to collect refrigerant into the outdoor unit before indoor unit repair.

Air purging by the refrigerant

Procedure to purge air from the system using refrigerant after re-installation.

5.7 Re-installation while the outdoor unit need to be repaired

Evacuation for the whole system

Procedure for evacuating the entire system before outdoor unit repair.

Refrigerant charging

Procedure for charging the system with refrigerant after re-installation.

7. Operation Characteristics

8.3 Main Protection

8.4 Operation Modes and Functions

8.4.2 Cooling Mode

Rules and conditions for compressor and fan operation in cooling mode.

8.4.3 Heating Mode

8.4.3.4 Defrosting mode

8.4.4 Auto-mode

8.4.8 Auto-Restart function

9. Troubleshooting

9.1 Indoor Unit Error Display

9.2 Trouble shooting

9.2.1 EEPROM parameter error diagnosis and solution(E0;F4)

Diagnosis and solution for EEPROM parameter errors.

9.2.2 Indoor; outdoor units communication diagnosis and solution(E1)

9.2.3 Fan speed has been out of control diagnosis and solution(E3)

9.2.4 Refrigerant Leakage Detection diagnosis and solution(EC)

9.2.5 Open circuit or short circuit of temperature sensor diagnosis and solution(E5)

9.2.6 Overload current protection diagnosis and solution(F0)

9.2.7 IPM malfunction or IGBT over-strong current protection diagnosis and solution(P0)

9.2.8 Over voltage or too low voltage protection diagnosis and solution(P1)

9.2.9 High temperature protection of compressor top diagnosis and solution(P2)

9.2.10 Inverter compressor drive error diagnosis and solution(P4)

Main parts check

1. Temperature sensor checking

2.Compressor checking

Kaysun KAY-35 DN7 Specifications

General

Brand	Kaysun
Model	KAY-35 DN7
Category	Air Conditioner
Language	English