Hitachi RWD-3.0RW1E-220S User Manual

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RWD-(2.0-6.0)(N/R)W1E-220S(-K)
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PMML0573 rev.1 - 07/2021

Hitachi RWD-3.0RW1E-220S Specifications

General

Brand	Hitachi
Model	RWD-3.0RW1E-220S
Category	Heat Pump
Language	English

Summary

Safety

General Safety Warnings and Symbols

Explains symbols like DANGER, CAUTION, NOTE and provides additional safety information for operation.

Refrigerant and Water Piping

R32 Circuit Details and Installation Requirements

Details R32 refrigerant, piping lengths, minimum area, and space heating hydraulic elements.

DHW System Hydraulic Components and Water Quality

Specifies DHW hydraulic components, water quality, and filling procedures for optimal performance.

Electrical and Control Settings

Unit Configuration: Switches and Options

Details optional wiring, DIP/rotary switch settings for system configuration, and accessory connections.

Unit Installation

Piping, Wiring, Levelling, and Testing

Covers pipe connections, wiring, unit levelling, and initial tests to ensure proper installation.

Commissioning and Testing

Preliminary Unit and Electrical Checks

Covers visual unit inspection, electrical resistance, and power supply verification.

Circuit Checks and Commissioning Procedure