Chigo CS-25V1A-H1; CS-35V1A-E2; CS-50V9A-S; CS-70V9A-T User Manual

DC Inverter Split Air-Condition Unit
SERVICE MANUAL

Chigo CS-25V1A-H1; CS-35V1A-E2; CS-50V9A-S; CS-70V9A-T Specifications

General

Refrigerant	R410A
Power Supply	220-240V, 50Hz
Model	CS-25V1A-H1
Cooling Capacity (CS-25V1A-H1)	2.5 kW
Cooling Capacity (CS-35V1A-E2)	3.5 kW
Cooling Capacity (CS-50V9A-S)	5.0 kW
Cooling Capacity (CS-70V9A-T)	7.0 kW
Type	Split System

Summary

1. Air conditioning unit parameters

1. DC Inverter single series

Details of DC Inverter single series air conditioning units, including cooling and heat pump types.

2. Units operating working conditions and temperature range

2.1 Rated conditions

Standard operating conditions for cooling and heating based on ANSI/AHAM RAC-1-2003.

2.2 Operating Limits

Defines the upper and lower operating limits for cooling and heating.

3. Units characteristic

APPENDIX

1. Prevention of motor demagnetizing

Guidelines to prevent motor demagnetizing, including current and temperature limits.

2. Compressor Revolution & Condensing Pressure

Graph illustrating the relationship between compressor operating frequency and condensing pressure.

11. Capacity Correction Factors

Cooling Capacity Ratio Vs. Outdoor Temperature

Graph illustrating cooling capacity correction factor based on outdoor temperature.

Heating Capacity Ratio Vs. Outdoor Temperature

Graph illustrating heating capacity correction factor based on outdoor temperature.

12. Capacity Correction Factor Due to Tubing Length (One Way)

Cooling

Graph showing cooling capacity correction factor based on tubing length.

Heating

Graph showing heating capacity correction factor based on tubing length.

13. Pressure Curve

Suction Pressure Curve

Graph displaying suction pressure versus outdoor dry bulb temperature for cooling.

Discharge Pressure Curve

Graph displaying discharge pressure versus outdoor dry bulb temperature for cooling.

14. ELECTRICAL DATA

4. Indoor and outdoor units size

4.1 outdoor Unit: CS-25V1A-H1

Physical dimensions and specifications for the CS-25V1A-H1 outdoor unit.

4.2 outdoor Unit: CS-35V1A-E2

Physical dimensions and specifications for the CS-35V1A-E2 outdoor unit.

4.3 outdoor Unit: CS-50V9A-S

Physical dimensions and specifications for the CS-50V9A-S outdoor unit.

4.4 outdoor Unit: CS-70V9A-T

Physical dimensions and specifications for the CS-70V9A-T outdoor unit.

4.5 (Indoor unit)figure, mounting dimensions

Diagrams and dimensions for indoor unit installation and body size.

5. Indoor and outdoor unit explosion diagram and spare parts list

5.1, The explosion diagram and spare parts list for CS-25V1A-H1

Exploded view and list of spare parts for the CS-25V1A-H1 model.

5.2 The explosion diagram and spare parts list for CS-25V1A-M81A

Exploded view and list of spare parts for the CS-25V1A-M81A model.

5.3, The explosion diagram and spare parts list for CS-35V1A-E2

Exploded view and list of spare parts for the CS-35V1A-E2 model.

5.4, The explosion diagram and spare parts list for CS-35V1A-P81A

Exploded view and list of spare parts for the CS-35V1A-P81A model.

5.5, The explosion diagram and spare parts list for CS-50V9A-S

Exploded view and list of spare parts for the CS-50V9A-S model.

5.6, The explosion diagram and spare parts list for CS-50V9A-S81A

Exploded view and list of spare parts for the CS-50V9A-S81A model.

5.7 The explosion diagram and spare parts list for CS-70V9A-T

Exploded view and list of spare parts for the CS-70V9A-T model.

5.8、The explosion diagram and spare parts list for CS-50V9A-S

Exploded view and list of spare parts for the CS-50V9A-S model.

6. The analysis of indoor malfunction code

I、indoor detailed malfunction

Detailed diagnosis and causes for various indoor unit malfunctions and error codes.

II. The outdoor electrical control fault code of the America 12K model.

7. The analysis of the complete units malfunction code

1、Malfunction code: F1 (communications issue)

Analysis and resolution steps for F1 communication error codes.

2, Malfunction code: F2 (the indoor temp sensor fault)

Analysis and resolution steps for F2 indoor temperature sensor faults.

3, Malfunction code : F3 (the indoor coil temp sensor fault)

Analysis and resolution steps for F3 indoor coil temperature sensor faults.

4, Malfunction code: F4 (the indoor fan motor fault)

Analysis and resolution steps for F4 indoor fan motor faults.

5,Malfunction code: F6 (the outdoor temp sensor fault)

Analysis and resolution steps for F6 outdoor temperature sensor faults.

6,Malfunction code FA (the communication fault between the wire controller to the indoor PCB)

Analysis for FA communication faults between wire controller and indoor PCB.

7,Malfunction code: P2 (the outdoor unit transducer module protection faulty)

Analysis for P2 outdoor unit transducer module protection faults.

8、The malfunction code: P3 (The indoor input current is large)

Analysis for P3 faults related to large indoor input current.

9, The malfunction code:P4 (compressor discharge temp is overhigh...)

Analysis for P4 faults related to high discharge temp or ambient temp.

10, The malfunction code: P7 (The outdoor unit DC generatrix voltage is abnormal)

Analysis for P7 faults related to abnormal outdoor DC voltage.

11、The malfunction code: P8 (lack the refrigerant or reverse valve fault)

Analysis for P8 faults related to refrigerant or valve issues.

12, The malfunction code: FF (The outdoor unit fault)

Analysis for FF faults concerning the outdoor unit.

13, The malfunction code: FC (outdoor unit drive fault, start compressor failure)

Analysis for FC faults related to outdoor unit drive and compressor start.