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Inventor Air Conditioners L4VI32-18 User Manual

Inventor Air Conditioners L4VI32-18
96 pages
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SERVICE MANUAL
ENGLISH
WALL MOUNTED UNIT
AIR CONDITIONING SYSTEMS
MODELS:
L4VI32-18/L4VO32-18
L4VI32-24/L4VO32-24
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Inventor Air Conditioners L4VI32-18 Specifications

General IconGeneral
Power Supply220-240V, 50Hz
RefrigerantR32
Cooling Capacity18000 BTU
Energy Class CoolingA++
Operating Temperature (Cooling)18°C to 45°C
Operating Temperature (Heating)-15°C to 24°C

Summary

Refrigerant System Diagram

Electrical Part Overview

Control Logic Details

Overload Protection Function

Cooling/Dehumidifying Overload Protection

Overload protection logic for cooling and dehumidifying modes.

Heating Overload Protection

Overload protection logic for heating mode.

Protection Functions - Frequency and Overload

Protection Functions - Module, Compressor, Current

Protection Functions - Voltage, Communication, Sensor

Notes for Installation and Maintenance

General Safety Precautions

Important safety warnings for installation and maintenance procedures.

Electrical Safety Precautions

Specific safety guidelines related to electrical connections and work.

Installation Safety Precautions

Guidelines for safe and proper unit installation.

Refrigerant Safety Precautions

Safety measures concerning the handling and use of refrigerant.

Safety for Installation and Relocation

Critical Warnings and Refrigerant Safety

Critical warnings regarding refrigerant handling and installation hazards, plus R32 properties.

Flammable Refrigerant Safety Operation

Tools for Installation and Maintenance

Installation Procedures

Installation Procedures Flowchart

Flowchart outlining the sequence of installation steps for the unit.

Electric Connection Requirements

Guidelines for safe and correct electrical connections, including safety precautions.

Indoor Unit Installation Steps

Steps for selecting the indoor unit location and installing the wall-mounting frame.

Indoor Unit Installation Details

Outlet Pipe and Indoor Pipe Connection

Instructions for routing outlet pipes and connecting indoor unit pipes.

Indoor Unit Wiring and Pipe Bundling

Steps for connecting indoor unit wires, bundling pipes, and hanging the unit.

Connecting Indoor and Outdoor Units

Vacuum Pumping and Leak Detection

Vacuum Pumping Procedure

Steps for operating the vacuum pump to evacuate the system.

Leakage Detection Methods

Methods for detecting refrigerant leaks using detectors or soap water.

Post-Installation Checks and Test Operation

Post-Installation Checks

Checklist of items to verify after completing installation.

Test Operation Procedure

Procedure for testing unit operation after installation.

Maintenance Procedures

Indoor Unit Troubleshooting

Outdoor Unit Malfunctions

Troubleshooting Normal Malfunctions

Exploded View and Parts List

Removal Procedures

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