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Hitachi RWD-2.0NRWE-200S User Manual

Hitachi RWD-2.0NRWE-200S
168 pages
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YUTAKI SERIES
AND YUTAKI CASCADE CONTROLLER
R410A series
R32 series

Table of Contents

Other manuals for Hitachi RWD-2.0NRWE-200S

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Hitachi RWD-2.0NRWE-200S Specifications

General IconGeneral
ModelRWD-2.0NRWE-200S
CategoryHeat Pump
Cooling Capacity2.0 kW
RefrigerantR410A
Power Supply220-240V, 50Hz
Noise Level (Outdoor)48 dB

Summary

General Information

Applied Symbols

Explains symbols used in the manual for warnings and important information.

Product Guide

Details the classification of YUTAKI units and provides a product list.

General Safety Notes

Additional Safety Information

Provides crucial safety warnings, DANGER, and CAUTION notices for equipment handling.

Important Notices

Highlights critical instructions for installation, use, and general operation.

Electrical Data

Electrical Data Considerations

Explains key terms and conditions for understanding electrical specifications like voltage and current.

Split System Electrical Data

Covers electrical specifications for R410A/R32 outdoor and indoor split YUTAKI units.

Monobloc System Electrical Data

Details electrical specifications for YUTAKI M monobloc units.

Working Range

Power Supply Working Range

Defines the nominal, operating, and starting voltage ranges for the YUTAKI system.

Temperature Working Ranges

Outlines operational temperature limits for YUTAKI units across various modes like heating, DHW, and cooling.

Hydraulic Working Ranges

Details hydraulic data, flow rates, and pump performance curves for YUTAKI units.

Refrigerant and Water Piping

R32 Refrigerant Circuit

Covers notes, piping lengths, charge, area requirements, and size for R32 refrigerant systems.

R410A Refrigerant Circuit

Addresses piping, precautions for leaks, charge, and size for R410A refrigerant systems.

Water Piping

Details water piping lengths, sizes, quality recommendations, and flow control for YUTAKI systems.

Electrical and Control Settings

General Electrical Checks

Covers general checks for power supply adequacy, voltage stability, and impedance compliance.

Wiring Size Specifications

Specifies required wire sizes for power supply, transmitting, and actuator cables based on current ratings.

Protection Device Requirements

Details minimum requirements for circuit breakers (CB) and earth leakage breakers (ELB) for unit protection.

Terminal Board Connections

Illustrates main power supply and communication wiring connections to terminal boards TB1 and TB2.

Unit Controller

Controller Interface Overview

Explains the controller's display, buttons, common icons, and view-specific icons.

Controller Configuration and Menu Navigation

Guides through initial setup via Configuration Assistant, advanced settings, and menu structure.

Yutaki Cascade Controller

Cascade Controller Interface Overview

Explains the interface, buttons, common icons, and view-specific icons for the cascade controller.

Cascade Controller Configuration and Menu

Guides through cascade configuration assistant, advanced settings, and menu navigation.

Troubleshooting

Indoor Unit Alarms

Lists and explains common alarms for indoor units, their details, and main contributing factors.

Cascade Controller Alarms

Lists and explains common alarms for the cascade controller, their details, and main factors.

Outdoor Unit Alarms

Lists and explains common alarms for outdoor units, their types of abnormality, and main causes.

LCD Alarms

Lists and explains common alarms related to the LCD display and communication.

Maintenance

General Maintenance Work

Covers initial cautions, and general maintenance procedures for outdoor and indoor units.

Outdoor Unit Maintenance Procedures

Details the periodic checks for the outdoor unit's components and connections.

Indoor Unit Maintenance Procedures

Details periodic checks for the indoor unit's cabinet, water piping, and electrical parts.

Specific Component Maintenance

Covers inspection hatch, filter, safety valve, air purger, pump, descaling, and draining procedures for key components.

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