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TGM MWVT12S / MRVT12AS - User Manual

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Summary

1 Precaution

1.1 Safety Precaution

Instructions to prevent injury and property damage during operation and maintenance.

1.2 Warning

Critical warnings regarding installation, electrical safety, and product usage to avoid hazards.

CAUTION

General Cautions

Important precautions for installation, maintenance, and general usage to prevent damage or issues.

Operational

Operational Guidelines

Guidelines for product operation, focusing on user safety and health during use.

2 Function

Indoor Unit Functions

Overview of various functions and features of the indoor unit, including controls and modes.

Outdoor Unit Functions

Details on the functions and features of the outdoor unit, such as noise reduction and protection.

3 Dimension

Indoor Unit Dimensions

Physical dimensions and measurements for the indoor air conditioning unit.

Outdoor Unit Dimensions

Physical dimensions and measurements for the outdoor air conditioning unit.

4 Specification

Model Specifications (9 K;12 K)

Detailed technical specifications for 9K and 12K models including capacity, power, and components.

Model Specifications (9 K;12 K Cont.)

Continued technical specifications for 9K and 12K models, covering piping, wiring, and operating conditions.

Model Specifications (12 K Series)

Technical specifications for 12K series models, covering cooling, heating, and component details.

Model Specifications (12 K Series Cont.)

Further specifications for 12K series, including refrigerant piping, wiring, and operating temperatures.

Model Specifications (18 K Series)

Technical specifications for 18K series models, detailing capacity, compressor, and unit dimensions.

Model Specifications (18 K Series Cont.)

Additional specifications for 18K series, including refrigerant piping, wiring, and environmental operating limits.

Model Specifications (24 K Series)

Technical specifications for 24K series models, covering cooling/heating capacity, compressor, and outdoor unit details.

Model Specifications (24 K Series Cont.)

Further specifications for 24K series, including refrigerant, operating temperature, and container loading quantities.

5 Refrigerant Cycle Diagram

Cooling Only Mode Diagram

Diagram illustrating the refrigerant flow and components in cooling-only operation mode.

Heat Pump Mode Diagram

Diagram showing the refrigerant cycle for heat pump operation, including heating and cooling.

6 Operation Limits

Temperature Limits

Specifies the operational temperature ranges for cooling, heating, and drying modes.

7 Wiring Diagram

Indoor Unit Wiring Diagram

Schematic showing electrical connections and components within the indoor unit.

Outdoor Unit Wiring Diagram (MRVT09;12 AS)

Wiring diagram for the outdoor unit of MRVT09AS and MRVT12AS models.

Outdoor Unit Wiring Diagram (MRHVT09;12 AS)

Wiring diagram for the outdoor unit of MRHVT09AS and MRHVT12AS models.

Outdoor Unit Wiring Diagram (MRVT18;18 AS)

Wiring diagram for the outdoor unit of MRVT18AS and MRHVT18AS models.

Indoor Unit Wiring Diagram (24 S Series)

Wiring diagram for the indoor unit of MWVT24S and MWHVT24S models.

Outdoor Unit Wiring Diagram (MRVT24 AS)

Wiring diagram for the outdoor unit of MRVT24AS model.

Outdoor Unit Wiring Diagram (MRHVT24 AS)

Wiring diagram for the outdoor unit of MRHVT24AS model.

8 Installation Details

Wrench Torque Sheet

Torque specifications for fittings during installation, ensuring proper sealing and connection.

Cable Connection Guidelines

Specifications for selecting and connecting power cords based on unit grade and requirements.

Refrigerant Piping and Elevation

Guidelines on refrigerant pipe length, diameter, elevation limits, and additional refrigerant charges.

Air Purging Procedure

Step-by-step instructions for purging air from the refrigerant piping and indoor unit.

Pumping Down Procedure

Procedure for pumping down the refrigerant system, essential for re-installation or servicing.

Re-air Purging Procedure

Steps for re-purging the air from the system, crucial for maintaining system integrity.

Balancing Refrigerant

Procedure to balance refrigerant levels in the system using the 2-way and 3-way valves.

Evacuation Procedure

Steps for creating a vacuum in the refrigeration system to remove moisture and non-condensables.

Gas Charging Procedure

Instructions for charging the system with the correct amount of refrigerant.

9 Electronic Function

Abbreviation Definitions

Definitions of abbreviations used for temperature sensors and operational parameters.

Indoor Display Functions

Explanation of indicators and icons displayed on the indoor unit's control panel.

Protection Functions

Description of various protection mechanisms and error codes for compressor and unit safety.

Fan-Only Mode Operation

Details on how the unit operates when set to Fan-Only mode, including louver and fan behavior.

Cooling Mode Operation

Explanation of the cooling mode operation, including compressor frequency control and anti-freezing.

Cooling Mode Operation (cont.)

Further details on cooling mode, including rating capacity test, turbo function, and fan speed rules.

Drying Mode Operation

Specifics of the drying mode, including fan speed, room overflow, and anti-freezing protections.

Heating Mode Operation

Detailed explanation of heating mode, including fan action, auto fan, and compressor frequency control.

Heating Mode Operation (cont.)

Information on outdoor unit current control, high temperature protection, and defrosting action in heating mode.

Heating Mode Operation (cont.)

Defines defrosting conditions, ending conditions, and actions for 9K/12K/18K and 24K models.

Auto Mode Operation

Explanation of the auto mode, including temperature settings and mode selection logic.

Forced Operation Function

Details on how to use forced operation modes (auto and cooling) and their behavior.

4-Way Valve Operation

Describes the function and action of the 4-way valve in different operating modes.

Outdoor Fan Speed Control

Information on the two-speed outdoor fan operation in heating, cooling, and drying modes.

Timer Functionality

Explanation of the timer settings, including range, resolution, and on/off operations.

Sleep Function Mode

Details on the sleep mode operation, temperature adjustments, and interaction with timer functions.

Auto-Restart Function

How the unit resumes previous settings after a power failure.

Automatic Panel Function

Description of the automatic opening and closing of the front panel and louvers.

Ionizer (Clean Air) Function

Explanation of the Clean Air and ionizer function, activation, and operation.

Self-Clean Function

Details on how to activate and the operation of the self-clean feature.

Follow Me Function

How the 'Follow Me' feature uses the remote's sensor to control temperature.

Outdoor Heating Cable Function

Information on the optional outdoor chassis heating cable for deicing and freezing prevention.

10 Troubleshooting

Safety Precautions for Troubleshooting

Important safety warnings regarding high voltage capacitors during troubleshooting procedures.

Indoor Unit Error Display

Table listing error codes displayed on the indoor unit and their corresponding LED status.

Diagnosis and Solution (E0)

Troubleshooting guide for E0 error (EEPROM parameter error) and its solution.

Diagnosis and Solution (E1, E2, E3)

Troubleshooting for communication errors (E1), zero-crossing signal errors (E2), and fan speed control errors (E3).

Diagnosis and Solution (E5, E6, P0)

Troubleshooting for sensor errors (E5, E6) and over-current protection (P0).

Diagnosis and Solution (P1, P2, P4)

Troubleshooting for voltage protection (P1), compressor top protection (P2), and inverter drive errors (P4).

Temperature Sensor Data

Resistance-temperature data for various sensors (T1, T2, T3, T4, Te) and graphical representation.

TGM MWVT12S / MRVT12AS Specifications

General IconGeneral
BrandTGM
ModelMWVT12S / MRVT12AS
CategoryAir Conditioner
LanguageEnglish

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