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Hitachi RHUE-3AVHN1 User Manual

Hitachi RHUE-3AVHN1
61 pages
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V1 – 2/15
Model Numbers
RHUE-3AVHN1
RHUE-(3-6)A(V)HN-HM
Hitachi Air Conditioning Europe SAS
UK Branch.
Whitebrook Park, Lower Cookham Road, Maidenhead, Berkshire SL6 8YA
Hitachi Yutaki Heat pump
Installation reference manual
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Hitachi RHUE-3AVHN1 Specifications

General IconGeneral
BrandHitachi
ModelRHUE-3AVHN1
CategoryAir Conditioner
LanguageEnglish

Summary

Quick Start

Pre-Installation

Essential checks and preparations before installing the heat pump.

Installation

Guidance for the physical installation process of the heat pump.

Introduction

Defrost Cycle Considerations

Explains the role of system water volume and flow for the defrost cycle.

Key Installation Considerations

Heat Pump Mounting

Details on how and where to mount the heat pump unit.

Freeze Protection

Guidance on freeze protection for the heat pump system.

Electrical Wiring Protection

Ensuring electrical wiring is protected against damage and moisture.

Transportation

Installation Space Requirements

Specifies the necessary clearances around the heat pump for airflow and access.

Hydraulic Installation

Strainer Installation and Maintenance

Correct fitting and access for the strainer to protect the heat exchanger.

Advanced System Controller (ASC) Pack

Electrical Installation

BS7671 Compliance

Requirement to comply with BS7671 electrical regulations.

Heat Pump Electrical Connections

Heating System Hydraulics

Heating Circuit Configurations

Heating Circuit Example 1: Single Circuit Unmixed

Details configuration and parameters for a single unmixed heating circuit.

Heating Circuit Example 2: Single Circuit Unmixed with Hydraulic Separator

Configuration and parameters for a single unmixed circuit with a hydraulic separator.

Heating Circuit Example 3: Two Circuits, One Mixed

Configuration and parameters for a system with two circuits, one of which is mixed.

Heating Circuit Example 4: Two Circuits, Both Mixed

Configuration and parameters for a system with two mixed heating circuits.

System Configurations

Commissioning Procedure

Nominal Flow Rate Requirements

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