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Midea Aqua Tempto Power Series

Midea Aqua Tempto Power Series
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MCAC-ATSM-2014-09 Aqua tempo power series tropical air-cooled scroll chiller 50Hz
Content 1
Content
Part 1 System outline ........................................................................................................................ 1
1. General outline .......................................................................................................................... 3
2. Pipe connection drawing .......................................................................................................... 26
3. Refrigeration system drawing ................................................................................................... 32
4. Wiring diagram ........................................................................................................................ 36
5 Networking communication wiring diagram .............................................................................. 42
6.Exploded view .......................................................................................................................... 48
Part 2 Capacity tables and control system ........................................................................................ 74
1. Capacity tables ......................................................................................................................... 75
2 Control system .......................................................................................................................... 89
Part 3 Trouble shooting ................................................................................................................. 138
1. Malfunction & protection codes ............................................................................................. 139
2 Troubles and Solutions ............................................................................................................ 145
3 Typical malfunction solutions .................................................................................................. 147
Part 4 Installation ......................................................................................................................... 156
1. Transportation and foundation installation............................................................................. 157
2. Water system installation ...................................................................................................... 165
3. Installation of water system pipeline ...................................................................................... 168
4. Wiring installation ................................................................................................................. 178
5. Trial run ................................................................................................................................. 182
Part 5 Maintenance ...................................................................................................................... 185
1. About maintenance ............................................................................................................... 186
2. Periodical check ..................................................................................................................... 188
Part 6 Wired controller.................................................................................................................. 190
1.1 KJRM-120D/BMK-E(Standard) .............................................................................................. 191
1.2 KJR-120A/MBTE(Optional) ................................................................................................... 200
Appendix ...................................................................................................................................... 209
Manufacture reserves the right to discontinue, or change at any time, specifications or designs without notices and
without incurring obligations

Table of Contents

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Midea Aqua Tempto Power Series Specifications

General IconGeneral
BrandMidea
ModelAqua Tempto Power Series
CategoryChiller
LanguageEnglish

Summary

Part 1 System outline

1. General outline

Provides a general overview of the chiller system, including nomenclature, product list, and features.

4. Wiring diagram

Provides electrical wiring diagrams for main units and auxiliary units across various models.

5 Networking communication wiring diagram

Illustrates the communication wiring for networking multiple units, essential for system integration.

6.Exploded view

Shows exploded views and part lists for different chiller models, aiding in component identification.

Part 2 Capacity tables and control system

1. Capacity tables

Presents capacity and power data for various models across different ambient temperatures and water outlet conditions.

1.1 MGBT-F25 WRN1, MGBT-D25 WRN1

Cooling capacity and power data for MGBT-F25W/RN1 and MGBT-D25W/RN1 models.

2 Control system

Explains the control system, including sensor functions, protection codes, and address settings.

2.1 MGBT-F25 WRN1, MGBT-D25 WRN1, MGBT-D30 WRN1, MGBT-F30 WRN1

Details control functions and protection codes for specific chiller models.

2.8 Control software

Guides users through the software interface, login, and configuration for system control.

2.9 Lonworks gateway (Optional)

Details the LonWorks gateway for BMS integration, including specifications and connection methods.

Part 3 Trouble shooting

1. Malfunction & protection codes

Lists various malfunction and protection codes with their corresponding descriptions for different chiller models.

1.1 MGBT-F25 WRN1, MGBT-D25 WRN1, MGBT-D30 WRN1, MGBT-F30 WRN1

Malfunction and protection codes for specific 25/30KW chiller models.

2 Troubles and Solutions

Provides a table of common troubles, their possible reasons, and recommended solutions for the chiller system.

3 Typical malfunction solutions

Presents flowcharts illustrating troubleshooting steps for common malfunctions like high pressure and low pressure protection.

Part 4 Installation

1. Transportation and foundation installation

Covers safe transportation methods, lifting instructions, and foundation requirements for unit installation.

1.1 Transportation

Details safe handling and lifting procedures for various chiller models to prevent damage.

1.2 Installation space

Specifies required clearances and space considerations for unit installation, including airflow and site conditions.

1.3 Installation foundation

Provides guidance on preparing the installation foundation, including load bearing and leveling requirements.

2. Water system installation

Covers the installation and connection of the water system, including pipe requirements and water quality.

2.1 Basic requirements of connection of chilled water pipes

Outlines essential rules for connecting chilled water pipelines, including flushing and filter installation.

2.2 Water quality

Details the required quality standards for chilled water to prevent system issues like furring and corrosion.

4. Wiring installation

Details the process of wiring installation, including precautions, power specifications, and connection steps.

4.1 Precautions

Lists essential safety precautions and general guidelines for electrical wiring installation.

4.2 Power supply specification

Specifies the required power supply voltage, frequency, and protection devices for the unit.

4.4 Wiring steps

Provides a step-by-step guide for performing wiring connections correctly and safely.

4.5 Fielding wiring

Shows wiring diagrams for water pump control circuits for single and dual pump configurations.

5. Trial run

Guides users through the trial run process, including pre-run checks and data recording.

5.1 Points for attention prior to trial run

Lists critical points and cautions to observe before conducting the trial run.

5.2 Check items table after installation

Provides a checklist of items to verify after installation and before the trial run.

5.3 Trial run

Details the procedure for conducting the trial run and monitoring operational data.

Part 5 Maintenance

1. About maintenance

Discusses general maintenance practices, component checks, water quality, winter shutdown, and part replacement.

1.1 Maintenance for main components

Details maintenance procedures for key components like discharge/suction pressure, electric connections, and elements.

1.2 Water quality inspection and dirt remove

Provides guidelines for inspecting water quality and removing scale from heat exchangers.

1.5 Refrigeration system

Covers refrigerant checks, leak detection, vacuum pumping, and injection procedures for the refrigeration system.

2. Periodical check

Outlines a schedule of periodical checks for general, appearance, compressor, heat exchanger, and electrical systems.

Part 6 Wired controller

1.1 KJRM-120 DBMK-E(Standard)

Explains the standard wired controller model, including keypad operation and detailed instructions.

1.1.2. Operation instruction

Covers basic operations like ON/OFF, mode setting, water temperature adjustment, and timing.

1.1.5. Error alarm handling

Explains how to interpret and handle error and protection icons displayed on the controller.

1.2 KJR-120 AMBTE(Optional)

Details the optional wired controller model, including its keys, operation procedures, and functions.

1.2.7 USING METHOD

Explains how to use the wired controller for clock setting and weekly timer settings.

Appendix

1. Accessories

Lists the included accessories with their specifications and usage.

2. Optional Accessories

Lists optional accessories that can enhance the chiller system's functionality.

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