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Mitsubishi Electric PUMY-P36NHMU User Manual

Mitsubishi Electric PUMY-P36NHMU
32 pages
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English
INSTALLATION MANUAL
For safe and correct use, read this manual and the indoor unit installation manual thoroughly before installing
the air-conditioner unit.
Air-Conditioners
OUTDOOR UNIT
PUMY-P·NHMU (-BS)
FOR INSTALLER
Español
MANUAL DE INSTALACIÓN
Para un uso correcto y seguro, lea detalladamente este manual y el manual de instalación de la unidad interior
antes de instalar la unidad de aire acondicionado.
PARA EL INSTALADOR
For use with R410A
Français
MANUEL D’INSTALLATION
Avant d’installer le climatiseur, lire attentivement ce manuel, ainsi que le manuel d’installation de l’appareil
intérieur pour une utilisation sûre et correcte.
POUR L’INSTALLATEUR
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Mitsubishi Electric PUMY-P36NHMU Specifications

General IconGeneral
Power Supply208/230V, 1-Phase, 60Hz
RefrigerantR410A
Cooling Capacity36, 000 BTU/h
Heating Capacity41000 BTU
PhaseSingle
Outdoor Unit Dimensions (HxWxD)52-3/8 x 37 x 13 inches
Energy Efficiency Ratio (EER)3.5

Summary

Safety Precautions

Before Installation

Precautions to observe before initiating unit installation to prevent danger or damage.

Before Installation (Relocation)

Important considerations for safely moving and installing the unit to prevent injury or damage.

Before Electric Work

Critical safety guidelines for all electrical work related to the unit to prevent shock or fire.

Before Starting the Test Run

Essential checks and preparations before conducting the unit's test run to ensure safety.

Using R410A Refrigerant Air Conditioners

Specific precautions for handling R410A refrigerant during installation and operation.

Precautions for Salt Damage-Resistant Model ('-BS' Model)

Special guidelines to maintain performance for salt-resistant models in coastal areas.

Installation Location

Refrigerant Pipe

Guidelines for installing and connecting refrigerant piping to the unit.

Choosing the Outdoor Unit Installation Location

Criteria and considerations for selecting an optimal installation site for the outdoor unit.

When Installing a Single Outdoor Unit

Installation clearances for a single outdoor unit based on obstacles and airflow.

When Installing Multiple Outdoor Units

Installation clearances for multiple outdoor units, including arrangements and airflow.

Windy Location Installation

Measures to protect the unit from strong winds and ensure proper airflow.

Installing the Outdoor Unit

Foundation Specifications

Details on required foundation bolts, concrete thickness, and weight capacity.

Installing the Refrigerant Piping

Precautions for Devices that Use R410A Refrigerant

Specific precautions and material requirements for R410A refrigerant piping.

Connecting Pipes

Instructions for connecting liquid and gas pipes, including material and tightening.

Refrigerant Piping Airtight Testing Method

Procedure for testing refrigerant lines for leaks using pressure.

Stop Valve Opening Method

Steps for correctly opening the liquid and gas stop valves.

Additional Refrigerant Charge

Calculation method for adding refrigerant based on piping length.

Drainage Piping Work

Outdoor Unit Drainage Pipe Connection

Instructions for connecting drain pipes to the outdoor unit or using optional parts.

Electrical Work

Caution for Electrical Work

General safety warnings and essential guidelines for electrical connections.

Control Box and Connecting Position of Wiring

Details on connecting indoor/outdoor unit transmission lines and centralized control wiring.

Wiring Transmission Cables

Specifications for different types of transmission and remote control cables.

Example of a Group Operation System with Multiple Outdoor Units

Wiring and address setting for group operation systems with multiple units.

Wiring of Main Power Supply and Equipment Capacity

Guidance on power supply wiring, breaker capacities, and wire thickness.

Test Run

Before Test Run

Pre-test run checks including insulation resistance, wiring, and power supply.

Test Run Using Remote Controller

Procedure for performing a test run for each indoor unit using the remote controller.

Test Run Using SW3 in Outdoor Unit

Method for performing a test run directly from the outdoor unit's control switches.

Refrigerant Collecting (Pump Down)

Procedure for collecting refrigerant before unit removal or transfer.

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