Hisense AMS-07UR4SNVT4 User Manual

MULTI-SPLIT TYPE AIR CONDITONER
SERVICEMANUAL V:7.1 
●INDOOR UNIT:
AMS-07UR4SN （ VG/VT/VL/VQ/UP/UL/UQ/NS/ZC/ZA/NT/NK/NM/VM ） 4
AMS-09UR4SN （ VG/VT/VL/VQ/UP/UL/UQ/NS/ZC/ZA/NT/NK/NM/VM ） 4
AMS-12UR4SN （ VG/VT/VL/VQ/UP/UL/UQ/NS/ZC/ZA/NT/NK/NM/VM ） 4
AMS-07/09/12UR4SG （ NK/NM/VT/VQ ） 4
AMS-09/12UR4SPSC4
AMS-18U4SV(VG/VQ/VL/VT/UP/UL/UQ/NT/NK/NM
） 4
AMD-09UX4SJD
AMD-12UX4SJD
AMD-18UX4SJD
AMC-12UX4SAA
AMC-18UX4SAA
●OUTDOOR UNIT:
Hisense Corporation
AMW2-16U4SGC1
AMW2-16U4SGD1
AMW2-20U4SNC1
AMW2-20U4SZD1
AMW3-20U4SZD1
AMW3-24U4SAD1
AMW4-28U4SAD1
AMW
4
-
36U4SAD1
AMW3-20U4SZD
AMW3-24U4SZD
AMW3-24U4SKC
AMW4-28U4SKC
AMW4-36U4SAC
AMV-12UR4SA
AMV-18UR4SA
AS-09/12UR4SVETD5(TG5/TC5/TE5/TF5)
AS-18UR4SFATD5(TD5/TG5/TC5)

Hisense AMS-07UR4SNVT4 Specifications

General

Cooling Capacity	7000 BTU/h
Energy Efficiency Ratio (EER)	3.21
Power Supply	220-240V, 50Hz
Power Consumption (Cooling)	650 W
Refrigerant	R32
Type	Split Air Conditioner

Summary

1. OPERATING RANGE

2. SPECIFICATIONS

2-1. Unit specifications

Detailed specifications for indoor and outdoor units, covering capacity, electrical data, and dimensions.

2-2. Major component specifications

Specifications for key components like fan motors and compressors.

2-3. Other component specifications

Specifications for additional components like inductance, filters, and stepper motors.

3. OUTLINES AND DIMENSIONS

3-1. Indoor Unit Dimensions

Dimensional drawings and outlines for various indoor unit models.

3-2. Outdoor Unit Dimensions

Dimensional drawings and outlines for various outdoor unit models.

4. REFRIGERANT FLOW DIAGRAM

4-1. Refrigerant Flow Diagrams

Diagrams illustrating refrigerant flow for different models during cooling and heating cycles.

4-2. Evacuation Procedures

Step-by-step guide for refrigerant system evacuation using a vacuum pump.

4-3. Evacuation Direction

Details on maximum refrigerant pipe length and height differences for unit models.

5. ELECTRICAL DATA

5-1. Electrical Wiring Diagrams

Wiring diagrams for indoor and outdoor units, showing electrical connections.

5-2. Electric Control

Information on indoor and outdoor control boards and component identification.

5-3. Sensor Parameters

Parameters for temperature sensors and other environmental sensors used in the units.

6. CONTROL MODE

6-1. Indoor Control Mode

Technical parameters and functions of the indoor unit's controller.

6-2. Outdoor Mode Control

Performance indices and control functions for outdoor units, including protection mechanisms.

7. TROUBLE SHOOTING

7-1. Error Codes

Lists and explains error codes for indoor and outdoor units, including troubleshooting steps.

Outdoor Unit Fault Indication

Details LED indications on outdoor control boards for failure conditions and root causes.

Indoor Unit Fault Indication

Explains error code display methods and root causes for indoor unit failures.

8. CHECKING COMPONENTS

8-1. Check Refrigerant System

Procedure for checking the refrigerant system, including pressure and temperature measurements.

8-2. Check Parts Unit

Guidance on examining and testing specific components like fan motors.

Inductance Component Check

Procedure for checking inductance components, including model and electrical parameters.

Step Motor Check

Method for checking step motor resistance and testing voltage.

Fuse Check

Steps for checking fuse continuity on the PCB assembly using a multimeter.

Capacitor Check

Procedure for testing capacitor health by observing multimeter pointer deflection.

9. APPENDIX

Indoor Unit Models

Information on specific indoor unit models, including AS Series Wall Mounted Type.