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Mitsubishi Electric PUMY-SP112 User Manual

Mitsubishi Electric PUMY-SP112
32 pages
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Air-Conditioners
PUMY-SP112, SP125, SP140VKMD
PUMY-SP112, SP125, SP140YKMD
For use with R410A
INSTALLATION MANUAL
For safe and correct use, read this manual and the indoor unit installation manual thoroughly before installing
the air-conditioner unit.
English (GB)
FOR INSTALLER
RG79Y960H01.indb 1 2018/02/09 14:30:58
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Mitsubishi Electric PUMY-SP112 Specifications

General IconGeneral
BrandMitsubishi Electric
ModelPUMY-SP112
CategoryAir Conditioner
LanguageEnglish

Summary

Safety Precautions

General Safety Guidelines

Covers warnings for injury, death, and general installation requirements.

Pre-Installation and Electric Work Safety

Precautions before installation, relocation, and electrical work.

R410A Refrigerant Safety

Specific precautions for using R410A refrigerant and associated piping.

Installation Location and Outdoor Unit Setup

Choosing the Outdoor Unit Location

Guidelines for selecting an appropriate installation site for the outdoor unit.

Unit Dimensions and Ventilation Requirements

Specifies outline dimensions and clearance for ventilation.

Windy Location Installation

Precautions for installing the unit in windy environments.

Outdoor Unit Installation and Foundation

Details on securely installing the outdoor unit on a foundation.

Refrigerant Piping Installation

R410A Refrigerant Precautions

Essential precautions when working with R410A refrigerant systems.

Piping Connection Methods and Size Selection

Covers various connection types, branch boxes, and pipe size selection.

Pipe Airtight Testing and Valve Operation

Procedure for testing refrigerant pipe connections for leaks and operating stop valves.

Additional Refrigerant Charging Calculation

Guide to calculating and charging additional refrigerant for extended piping.

Drainage Piping Work

Electrical Work and Wiring

Wiring Transmission Cables

Details on types of control cables, M-NET, and MA remote control cables.

Control Box Wiring and Connections

Explains control box connections, wiring diagrams, and examples.

Power Supply, Wire Specs, and Breakers

Requirements for main power supply, wire thickness, and breaker capacities.

Address Setting for System Configuration

Guides for setting addresses for outdoor, branch box, and indoor units.

Test Run Procedures

Pre-Test Run Checks

Essential checks and insulation resistance tests before starting the unit.

Performing the Test Run

Steps for conducting the test run using remote controller or outdoor unit switches.

Refrigerant Collection (Pump Down)

Procedure for collecting refrigerant when moving units.

Special Functions and Demand Response

Special Functions: Silent Mode and Demand Control

How to set and use silent modes and demand control features.

DRED Installation and Safety

Overview of DRED capability, safety warnings, and installation steps.

Demand Response Modes Explained

Explanation of the three Demand Response Modes (DRM1, DRM2, DRM3).

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