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Midea M-thermal Mono Series User Manual

Midea M-thermal Mono Series
98 pages
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M-thermal Mono
ATW Heat Pump
INSTALLATION
AND OWNER’S MANUAL
Thank you very much for purchasing our product,
Before using your unit , please read this manual carefully and keep it for future reference.
IMPORTANT NOTE:

Table of Contents

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Midea M-thermal Mono Series Specifications

General IconGeneral
RefrigerantR32
Power Supply220-240V, 50Hz
Heating Capacity Range4-16 kW
Water Connection Size1 inch
Operating Temperature Range (Cooling)+10°C to +48°C
EER3.0-3.8
Energy Efficiency Ratio (Cooling)3.0-3.8

Summary

1 SAFETY PRECAUTIONS

Symbols and Meanings

Explains DANGER, WARNING, CAUTION, and NOTE symbols.

General Information and Precautions

General guidance for safe installation and operation.

2 GENERAL INTRODUCTION

Unit Applications and System Connections

Describes unit uses and connections for tanks, thermostats, and solar kits.

Operating Conditions and Ranges

Specifies operating limits for water and ambient temperatures.

3 ACCESSORIES

Included Accessories

Lists standard fittings and accessories provided with the unit.

4 BEFORE INSTALLATION

Handling and Preparation

Instructions for safely moving, preparing, and installing the unit.

5 IMPORTANT INFORMATION FOR THE REFRIGERANT

Refrigerant Details and Safety

Information on refrigerant type, GWP, charged volume, and leak checks.

6 INSTALLATION SITE

Site Selection Criteria

Guidelines for choosing a suitable installation location.

Climate-Specific Installation Advice

Advice for selecting locations in cold and hot weather conditions.

7 INSTALLATION PRECAUTIONS

Unit Dimensions and Mounting Requirements

Provides unit measurements and foundation/mounting needs.

Drainage and Servicing Space

Details drain hole positions and required clearance for maintenance.

Multiple Unit Installation

Guidelines for installing units in stacked or lateral configurations.

8 TYPICAL APPLICATIONS

Application Examples and System Diagrams

Illustrates common system configurations and connections.

Zone and Thermostat Control

Explains single, double zone control, and thermostat wiring methods.

9 OVERVIEW OF THE UNIT

Unit Disassembly and Access Panels

Guides on how to safely open unit panels for access.

Main Component Identification

Identifies key components within the hydraulic module and overall unit.

Electronic Control System Layout

Details the arrangement of control boards within the unit.

Water Piping and Connections

Covers water circuit checks, connections, and anti-freeze protection.

Electrical Wiring and Safety

General rules, precautions, and requirements for field wiring and safety devices.

Component Connection Details

Details connections for external components like thermostats, pumps, and heaters.

10 START-UP AND CONFIGURATION

Climate Curves and DIP Switch Settings

Explains climate curves and DIP switch functions for system setup.

Initial Start-up and Pre-operation Checks

Guidance for initial start-up and essential checks before powering on.

Mode and Temperature Settings

Configuration options for DHW, Cool, Heat, Auto, and Temperature types.

Thermostat and Heating Source Configuration

Settings for room thermostats, backup heaters, and other heat sources.

System Settings and Test Procedures

Covers factory reset, test runs, special functions, and parameter settings.

Troubleshooting Common Issues

Guides for diagnosing and correcting common operational problems and error codes.

11 TEST RUN AND FINAL CHECKS

Final Installation Checks

Critical checks to perform after installation before system operation.

Manual Test Run Procedures

How to manually run tests for various unit functions.

12 MAINTENANCE AND SERVICE

Regular Maintenance Requirements

Lists checks and inspections needed at regular intervals.

Maintenance Safety Precautions

Essential safety warnings and procedures for performing maintenance.

13 TROUBLE SHOOTING

General Troubleshooting Approach

Basic steps and precautions before troubleshooting unit issues.

Common Symptoms and Corrective Actions

Lists common problems, their causes, and solutions.

Specific Error Code Reference

Detailed list of error codes and their corrective actions.

15 INFORMATION SERVICING

Area Safety Checks and Refrigerant Handling

Safety measures for the work area, refrigerant handling, and leak detection.

Electrical Device and System Servicing Procedures

Guidelines for repairs, refrigerant removal, charging, and decommissioning.

14 TECHNICAL SPECIFICATIONS

General Unit Specifications

Provides physical dimensions, weight, and operational ranges.

Electrical and Power Specifications

Details electrical requirements, current ratings, and power supply.

ANNEX A: Refrigerant Cycle Diagram

Refrigerant Cycle Components

Diagram illustrating the refrigerant flow and key components.

ANNEX B: Wiring Diagram 1-phase 4/6/8/10kW

1-phase 4/6/8/10kW Unit Wiring

Wiring diagram for 1-phase 4/6/8/10kW units.

Annex D: Wiring Diagram 3-phase 12/14/16kW

3-phase 12/14/16kW Unit Wiring

Wiring diagram for 3-phase 12/14/16kW units.

Annex E: Wiring Diagram 1-phase 4/6/8/10kW with Backup Heater

1-phase 4/6/8/10kW Unit Wiring with Backup Heater

Wiring diagram for 1-phase units with backup heater.

Annex H: Wiring Diagram 1-phase 8/10kW +3-phase 9kW Backup Heater

Specific Unit Wiring Configurations

Wiring diagram for 1-phase 8/10kW and 3-phase 9kW backup heater units.

Annex I: Wiring Diagram 1-phase 12/14/16kW +3-phase 9kW Backup Heater

Specific Unit Wiring Configurations

Wiring diagram for 1-phase 12/14/16kW and 3-phase 9kW backup heater units.

ANNEX K: E-heating Tape Installation

Drainage Outlet E-heating Tape Installation

Instructions for installing the E-heating tape on the drainage outlet.

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