EasyManua.ls Logo

Haier InoSens MRV SI AU032FSEUA User Manual

Haier InoSens MRV SI AU032FSEUA
93 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
Service Manual
MRV SI
SYJS-03-2021 REV.A Edition: 2021-03

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Haier InoSens MRV SI AU032FSEUA and is the answer not in the manual?

Haier InoSens MRV SI AU032FSEUA Specifications

General IconGeneral
Cooling Capacity3.2 kW
Heating Capacity3.6 kW
RefrigerantR32
Outdoor Unit Noise Level50 dB(A)
Cooling Capacity (kW)3.2
Heating Capacity (kW)3.6
Outdoor Unit Weight30 kg
Power Supply220-240V, 50Hz

Summary

General Information

Indoor Units Lineup

Lists various indoor unit types and their models.

Specifications

Dimensions

Function Parts Layout

Center of Gravity

Refrigerant Circuit

Wiring Diagram and Setup

High Voltage Warnings

Critical safety warnings for high-voltage components within the control box.

Dial Code and Symbol Descriptions

Explains dial code settings and symbols used in wiring diagrams.

Pre-operation Precautions

Essential steps and checks before initial operation and trial runs.

Performance Curves

Cooling Capacity Compensation Curves

Graphs showing capacity adjustments based on indoor/outdoor conditions.

Heating Capacity Compensation Curves

Graphs showing capacity adjustments for heating based on conditions.

Pipe Length, Diameter, and Height Drop Compensation

Compensation values based on piping configuration and height differences.

Defrost Capability Compensation Curve

Graph showing capacity compensation for defrosting function.

Pipe Length and Drop Correction Factors

Tables providing correction factors for piping length and height drop.

Selection Procedure

Operation Range

Cooling Operation Range

Defines the operating limits for cooling mode based on indoor/outdoor temperatures.

Heating Operation Range

Defines the operating limits for heating mode based on indoor/outdoor temperatures.

Noise Level

Noise Level Measurement and Testing Conditions

Details testing methodology and conditions for measuring noise levels.

Octave Band Sound Pressure Level Graphs

Graphs illustrating sound pressure levels across different frequency bands.

Outdoor Unit Installation

Safety Precautions

Essential safety guidelines to prevent hazards during installation.

Installation Instructions

Step-by-step guide for unit installation and site selection.

Transportation and Lifting

Methods and precautions for safely moving and handling the outdoor unit.

Manual Handling

Specific procedures for manual transport and placement of the unit.

General Installation Precautions

Important safety and procedural guidelines to follow during installation.

Installation Space Requirements

Specifies clearance and space requirements for single and multi-unit installations.

Foundation Work

Guidelines for ensuring a stable and secure installation base for the unit.

Wind Protection Measures

Methods to prevent fan reversal or damage from strong winds.

Refrigerant Pipe Installation

Pipe Connection Methods and Cautions

Methods, cautions, materials, and procedures for connecting refrigerant pipes.

Pipe Sizing, Specifications, and Disposal

Guidelines for selecting correct pipe diameters, lengths, and specifications.

Heat Insulation and Fixing

Proper insulation and securing techniques for refrigerant pipes.

Leakage Test and Evacuation

Leakage Test Procedure

Steps for performing a refrigerant leakage test.

Evacuation Procedure

Process for removing air and moisture from the refrigerant system.

Electrical Wiring and Power

Indoor Wiring and Communication

Rules and specifications for indoor unit power supply and communication wiring.

Outdoor Wiring and Power Supply

Specifications for outdoor unit power supply, cable, and grounding.

Outdoor Unit Electrical Wiring Diagrams

Single Fan Outdoor Unit Wiring

Electrical wiring diagram for outdoor units with a single fan.

Double Fan Outdoor Unit Wiring

Electrical wiring diagram for outdoor units with double fans.

PCB Photos

Dip Switch Settings

BM1 Introduction and Settings

Explanation of BM1 dip switch functions and their settings.

System Status Display and Control

How to view system status and perform master unit controls.

E2 Control Parameters Display and Setting

Procedures for displaying and setting E2 control parameters.

Outdoor Unit Control

Compressor Startup Control

Guidelines for controlling compressor startup based on various conditions.

Compressor Output Control

Methods for controlling compressor frequency for optimal capacity output.

Defrosting Control

Logic and conditions for activating and deactivating defrosting cycles.

Oil Return Control

Procedures and conditions for managing oil return to the compressor.

Failure Codes and Troubleshooting

Inverter Outdoor Unit Failure Codes

A list of failure codes for inverter outdoor units and their definitions.

Specific Failure Troubleshooting Flowcharts

Troubleshooting flowcharts for various specific failure codes and symptoms.

Appendix

Sensor Characteristic Table

Table listing sensor types and their basic characteristics.

Sensor Resistance Characteristics Data

Detailed resistance values for sensors at various temperatures.

Enthalpy-Humidity Chart

Related product manuals