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Midea MRC-300HWN1-R User Manual

Midea MRC-300HWN1-R
168 pages
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Content
Part. 1 General information ........................................................ 2
Part. 2 Performances .................................................................. 5
Part. 3 Installations ................................................................. 104
Part. 4 Controller ..................................................................... 130
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Midea MRC-300HWN1-R Specifications

General IconGeneral
BrandMidea
ModelMRC-300HWN1-R
CategoryAir Conditioner
LanguageEnglish

Summary

Part 1 General Information

Product Lineup

Details the different models available in the product series and their specifications.

External Appearance

Provides visual representations and descriptions of the unit's exterior design.

Nomenclature

Explains the meaning of codes and characters used in product model names.

Part 2 Performances

Features

Highlights key characteristics and benefits of the rooftop package units.

Specifications

Presents detailed technical specifications for each model, including electrical and physical data.

Dimensions Drawings

Illustrates the physical dimensions and mounting requirements of the units.

Wiring Diagrams

Provides electrical schematics for unit components and connections.

Performance Data

Contains tables of cooling and heating capacities under various conditions.

Electrical Data

Details electrical parameters for each model, including current, power, and fuse ratings.

Fan Performance Data

Presents fan speed, power input, and airflow data at different static pressures.

Refrigerant Cycle Diagram

Illustrates the flow of refrigerant through the unit's components in different modes.

Operation Limits

Defines the allowable temperature ranges for cooling and heating modes.

Noise Criteria (NC) Curves

Shows noise level (LZeq) in dB versus frequency (Hz) for different fan speeds.

Accessories

Lists included accessories and their quantities for the unit.

Part 3 Installations

General Information

Provides essential safety warnings and cautions for installation personnel.

Recommendations

Offers guidance on unit placement, clearances, and airflow for optimal performance.

Lifting

Details safe procedures and requirements for lifting and handling the unit.

Installation

Covers installation procedures for both rooftop and ground-level applications.

Condensate Drainage

Explains the condensate drainage system and provides X value specifications for models.

Duct Work

Provides guidelines for insulating and connecting ductwork to the unit.

Electrical Wiring

Details wiring requirements, safety warnings, and wire size recommendations.

Start-up

Outlines pre-operation checks and steps for starting the unit.

Safety Control

Describes various safety features and protection mechanisms of the unit.

Maintenance

Provides instructions for regular maintenance tasks like filter cleaning and belt adjustment.

Appendix: - Temperature sensor

Lists resistance values for temperature sensors at different temperatures.

Part 4 Controller

Wired controller: KJR-12B

Details specifications, indicators, and button functions for the KJR-12B wired controller.

Wired Controller: KJR-25B

Describes specifications, buttons, and operation of the KJR-25B wired controller.

Centralized Controller: MD-CCM03(A) (Optional)

Provides an overview of the centralized controller, its specifications, and features.

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