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Hitachi RAS-5WHVNPE User Manual

Hitachi RAS-5WHVNPE
172 pages
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YUTAKI SERIES
RAS-(4-10)WH(V)NP(E)
Outdoor unit

Table of Contents

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Hitachi RAS-5WHVNPE Specifications

General IconGeneral
Cooling Capacity5.0 kW
RefrigerantR32
Energy Efficiency Class CoolingA+++
Power Supply220-240V, 50Hz
Coefficient of Performance (COP)4.0
Outdoor Unit Dimensions (WxHxD)780 x 540 x 285 mm

Summary

General Information

General Notes

Copyright, publication rights, and policy of continuous improvement.

Safety

Applied Symbols

Symbols used to identify safety risks during installation and operation.

Additional Safety Information

Further safety warnings and precautions for operation and installation.

Important Notice

Transportation and Handling

Before Operation

Pre-operation checks, including power supply and system warm-up.

Name of Parts

Units Installation

Outdoor Units Installation

Guidelines for installing the outdoor unit, including space and location requirements.

Installation Space

Specifies required clearances for single and multiple outdoor unit installations.

Installation Place Provision

Details on concrete foundation and wall fixing for stable outdoor unit installation.

Refrigerant Piping and Charge

Installation Location for Strong Wind

Positioning the unit to avoid adverse effects from strong winds.

Piping Materials

Selection and preparation of copper pipes for refrigerant lines.

Piping Connection for Outdoor Unit

Procedures for connecting refrigerant piping to the outdoor unit.

Brazing Work

Safety precautions and methods for brazing refrigerant pipes.

Refrigerant Charging Procedures

Includes charging, pressure measurement, and quantity calculation.

Drain Piping

Drain Discharging Boss

Connecting the drain piping to the outdoor unit base.

Electric Wiring

General Checks and Outdoor Unit Connections

General checks, wiring diagrams, and connection guidelines for outdoor units.

DIP Switch Settings

Configuration of DIP switches for various unit functions and settings.

Common Wiring Practices

Includes common wiring, indoor/outdoor connections, and wire sizing.

Commissioning

Commissioning Procedure

Steps for performing test runs and handing over the system.

Main Safety Devices

Compressor Protection

Details on high-pressure switch functionality for compressor safety.

Fan Motor Protection

Information on thermistor-based protection for fan motors.

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