Hitachi RAS-H(V)RNME-AF User Manual

Printed in SpainSMGB0070 rev. 1 - 08/2011
HITACHI participates in the Eurovent Certification Programme; the
certified data of certified models are listed in the Eurovent Certification
Online Directory (www.eurovent-certification.com).
Hitachi air conditioning products are manufactured according to:
ISO 9001 of JQA, Japan for its Quality Management accordance with
the standard
ISO 14001 of JACO, Japan for its Environmental Management
accordance with the standard.
Hitachi Air Conditioning Products Europe, S.A. is certified with:
ISO 9001 of AENOR, Spain for its Quality Management accordance
with the standard
ISO 14001 of AENOR Spain for its Environmental Management
systems accordance with the standard.
Hitachi certifies that our products have met EU consumer safety,
health and environmental requirements.
Hitachi Air Conditioning Products Europe, S.A.
Ronda Shimizu, 1 - Políg. Ind. Can Torrella
08233 Vacarisses (Barcelona) España
SMGB0070 rev. 1 - 08/2011
RWM-FSN3E Indoor units
RAS-H(V)RNME-AF Outdoor units
RAS-HVRN2 Outdoor unit
Service Manual
YUTAKI S SERIES
YUTAKI S SERIES

Hitachi RAS-H(V)RNME-AF Specifications

General

Refrigerant	R32
Inverter Technology	Yes
Power Supply	220-240V, 50Hz
Type	Split System
Weight (Outdoor Unit)	28 kg
Features	Sleep Mode
Cooling Capacity	2.5 kW

Summary

Unit Installation

Outdoor Unit Installation

Covers initial checks, transportation, center of gravity, installation space, and place provisions.

Indoor Unit Installation

Details the selection of installation location, wall mounting, cover assembly, drain pan, and service space.

Piping Work and Refrigerant Charge

Refrigerant and Water Pipe Work

Provides guidelines for refrigerant and water pipe work, including general notes, suspension, and connections.

Water Pipe Work and Connection

Electrical Wiring

Unit Electrical Wiring and Connection

Covers general checks, and electrical connections for both outdoor and indoor units.

Setting of DIP Switches and RSW Switches

Electrical Wiring Diagrams

Provides detailed wiring diagrams for both indoor and outdoor units.

Control System

Device Control System

Safety Protection and Control Device

Outlines safety features and control devices for both indoor and outdoor units.

Standard Control Functions

LCD User Interface

Comprehensive View

Controller Configuration

Unit Configuration

Installer Access

Explains how installers can access and modify system settings using a password.

Commissioning

Preliminary Check

Covers essential checks before commissioning, including unit appearance, electrical, hydraulic, and refrigerant circuits.

Commissioning Procedure

Outlines the step-by-step procedure for commissioning the system after installation.

Indoor Unit Test Run

Outdoor Unit Test Run

Electrical Checks of the Main Parts

Inverter

Provides specifications, time charts, protective functions, and overload control for the inverter.

Thermistor

Electronic Expansion Valve

High Pressure Protection Device

Scroll Compressor

Servicing

Outdoor Unit Servicing

Indoor Unit Servicing

Troubleshooting

Troubleshooting Procedure

Guides through troubleshooting steps, including alarm codes, check modes, and main part checks.