Mitsubishi Electric City Multi PUHY-P500YNW-A User Manual

For use with R410A
INSTALLATION MANUAL
For safe and correct use, please read this installation manual thoroughly before installing the air-conditioner unit.
INSTALLATIONSHANDBUCH
Zum sicheren und ordnungsgemäßen Gebrauch der Klimageräte das Installationshandbuch gründlich durchlesen.
MANUEL D’INSTALLATION
Veuillez lire le manuel d’installation en entier avant d’installer ce climatiseur pour éviter tout accident et vous assurer d’une utilisation correcte.
MANUAL DE INSTALACIÓN
Para un uso seguro y correcto, lea detalladamente este manual de instalación antes de montar la unidad de aire acondicionado.
MANUALE DI INSTALLAZIONE
Per un uso sicuro e corretto, leggere attentamente questo manuale di installazione prima di installare il condizionatore d’aria.
INSTALLATIEHANDLEIDING
Voor een veilig en juist gebruik moet u deze installatiehandleiding grondig doorlezen voordat u de airconditioner installeert.
MANUAL DE INSTALAÇÃO
Para segurança e utilização correctas, leia atentamente este manual de instalação antes de instalar a unidade de ar condicionado.
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OUTDOOR UNIT
PUHY-P-YNW-A(-BS)
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Mitsubishi Electric City Multi PUHY-P500YNW-A Specifications

General

Model	PUHY-P500YNW-A
Category	Air Conditioner
Brand	Mitsubishi Electric
Series	City Multi
Cooling Capacity	50.0 kW
Heating Capacity	56.0 kW
Refrigerant	R410A
Number of Connected Indoor Units (Max)	50
Power Supply	380-415V, 3-phase, 50Hz
Operating Temperature Range (Cooling)	-5°C to 46°C
Operating Temperature Range (Heating)	-20°C to 15.5°C
Dimensions (Indoor Unit)	Varies by model
Weight (Indoor Unit)	Varies by model
Type	VRF System Outdoor Unit

Summary

Safety Precautions

1-1. General Precautions

General safety warnings and precautions for unit usage and environment.

1-2. Precautions for Transporting the Unit

1-3. Precautions for Unit Installation

Safety measures for installing the air conditioning unit securely.

1-5. Precautions for Electrical Wiring

Safety instructions for electrical connections, grounding, and breakers.

1-4. Precautions for Piping Work

Safety warnings and procedures for refrigerant piping installation.

Transporting the Unit

Installation Location

7-1. Single Unit Installation

Guidelines for placing a single outdoor unit relative to walls.

7-2. Multiple Unit Installation

Guidelines for arranging multiple outdoor units side-by-side or face-to-face.

Foundation Work

Refrigerant Piping Work

9-1. Restrictions

9-2. Pipe Selection

9-9-2. Charging Additional Refrigerant

Instructions for adding refrigerant to the system, including torque values.

Piping Connections and Valve Operations

Air-Tightness Test

Thermal Insulation for Pipes

9-7-1. Insulation Material

Evacuation of the System

Additional Refrigerant Charge

9-9-1. Calculation of Additional Refrigerant

Formulas and tables for calculating extra refrigerant amounts.

Electrical Work

10-2. Power Cables and Device Capacity

Guidelines for selecting power cables, breakers, and system capacity.

10-3. Control Cable Specifications

System Configuration Example (ME Remote Controllers)

Diagram showing system setup with ME remote controllers.

System Configuration Example (MA Remote Controllers)

10-4. System Configuration

Information on unit coding and connectable unit limits.

System Configuration Example (Transmission Booster)

Wiring Connections in the Control Box

10-5-1. Threading Power Cable Through Knockout Hole

Fixing the Cables in Place

Connecting the Cables

Address Setting

Test Run

11-1. Before a Test Run

Pre-test checks, insulation resistance measurement, and power-on procedures.

11-2. Function Setting

11-3. Operation Characteristics vs. Refrigerant Charge

Inspection and Maintenance