Hisense AMW4-28U4SAD1 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 AMW4-28U4SAD1 Specifications

General

Cooling Capacity (BTU)	28, 000 BTU
Refrigerant	R410A
Fan Speeds	3
Voltage	208/230V
Operating Modes	Cool, Fan

Summary

Specifications Overview

Refrigerant Flow Diagram

Refrigerant Flow Diagrams

Illustrates the refrigerant flow for different model series during cooling and heating cycles.

Refrigerant Evacuation Procedures

Electrical Data

Electrical Wiring Schematics

Provides wiring diagrams for indoor and outdoor units, showing component connections.

Electric Control Boards

Trouble Shooting

Error Codes and Fault Indicators

Explains how error codes are displayed on indoor/outdoor units and remote controllers.

Troubleshooting Flowcharts

Provides step-by-step flowcharts for diagnosing and resolving common unit issues.

Checking Components

Refrigerant System Inspection

Details procedures for checking the refrigerant system, including pressure and temperature readings.

Installation Guide

Indoor Unit Mounting and Preparation

Covers indoor unit mounting distances, template installation, drilling, and pipe bending.

Outdoor Unit Mounting and Fixing

Details outdoor unit placement, mounting, and fixing procedures for stability and noise reduction.