Mitsubishi Electric PUZ-A·NHA User Manual

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INSTALLATION MANUAL
For safe and correct use, read this manual and the indoor unit installation manual thoroughly before installing
the air-conditioner unit.
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.
Air-Conditioners
PUZ-A ·NHA, PUZ-A·NHA-BS
PUY-A ·NHA, PUY-A·NHA-BS
FOR INSTALLER
PARA EL INSTALADOR
BG79U896H02_cover 06.5.18, 11:091

Mitsubishi Electric PUZ-A·NHA Specifications

General

Brand	Mitsubishi Electric
Model	PUZ-A·NHA
Category	Air Conditioner
Language	English

Summary

Safety Precautions

Before Electric Work

Essential steps and precautions to follow before performing any electrical installation work.

R410A Refrigerant Usage

Specific guidelines and precautions for using R410A refrigerant with the air conditioning system.

Installing the Outdoor Unit

Foundation Specifications

Details on the required foundation, bolts, concrete thickness, and weight-bearing capacity for secure mounting.

Installing the Refrigerant Piping

R410A Refrigerant Piping Precautions

Safety and material precautions when installing refrigerant pipes for R410A systems.

Connecting Refrigerant Pipes

Step-by-step guide for connecting refrigerant pipes, including insulation, flare nut tightening, and leak checks.

Refrigerant Piping Installation

Detailed procedure for connecting refrigerant piping, covering service panel removal and stop valve operation.

Airtight Testing Method

Stop Valve Opening Procedure

Additional Refrigerant Charging

Test Run

Pre-Test Run Procedures

Test Run via Outdoor Unit SW4

Test Run via Remote Controller