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Midea Mini VRF Technical Service Manual

An in-depth guide for Midea's advanced Mini VRF air conditioning systems.

Introduction to Midea Mini VRF Systems

This document serves as a comprehensive technical service manual for Midea's Mini Variable Refrigerant Flow (VRF) air conditioning systems. It is designed to provide essential information for service technicians and engineers involved in the installation, maintenance, and troubleshooting of these advanced units.

The manual covers a range of Midea Mini VRF models, including the MDV-V105W/DVN1, MDV-V120W/DVN1, MDV-V140W/DVN1, and MDV-V160W/DVN1, all operating on R410A refrigerant and designed for 1-phase, 208-230V, 60Hz power supply.

Key Features and Applications

Midea's Mini VRF systems offer high efficiency and flexibility, making them ideal solutions for small commercial buildings, villas, restaurants, and schools. The systems are known for their:

  • Wide Application Range: Capable of heating and cooling up to 7 zones with a single outdoor unit.
  • Diverse Indoor Units: Over 100 indoor unit models across 15 types, with capacities ranging from 1.8kW to 16kW, ensuring a perfect fit for various spatial requirements.
  • High-Efficiency DC Inverter Compressor: Advanced technology allows for precise temperature control and optimized energy usage, contributing to environmental sustainability.
  • Robust Performance: Designed to maintain stable performance in a wide operating temperature range, from -15°C in winter to 43°C in summer.
  • Flexible Design: Features like flexible piping design, easy installation, and space-saving configurations enhance usability and installation convenience.

Document Structure

This manual is organized into distinct parts for clarity:

  1. General Information: Product lineup, nomenclature, features, and indoor unit compatibility.
  2. Outdoor Units: Detailed specifications, dimensions, service space requirements, piping and wiring diagrams, capacity tables, electric characteristics, sound levels, and operation limits.
  3. Installation: Comprehensive installation guidelines and procedures.

For further details and support, users are encouraged to refer to the official Midea website or contact authorized Midea service partners.

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