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Hitachi RAS-3.5UFESNH1 User Manual

Hitachi RAS-3.5UFESNH1
52 pages
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SERVICE MANUAL
PRIMAIRY
LARGE SINGLE SPLIT
DC-INVERTER SERIES
MODELS
MODELS
HS2019324HB
SM)-200313
INDOOR UNITS
OUTDOOR UNITS
DUCTED
RPIL-3.0UFE1NH
RPIH-3.5UFE1NH
RPIH-4.0UFE1NH
RPIH-5.0UFE1NH
RPIH-6.0UFE1NH
RPIH-6.5UFE1NH
CASSETTE
RCI-3.0UFE1NH
RCI-3.5UFE1NH
RCI-4.0UFE1NH
RCI-5.0UFE1NH
RCI-6.0UFE1NH
RCI-6.5UFE1NH
FLOOR CEILING
RPFC-3.0UFE1NH
RPFC-3.5UFE1NH
RPFC-4.0UFE1NH
RPFC-5.0UFE1NH
RPFC-6.0UFE1NH
RPFC-6.5UFE1NH
RAS-3.0UFESNH1
RAS-3.5UFESNH1
RAS-4.0UFESNH1
RAS-5.0UFESMH1
RAS-6.0UFESMH1
RAS-6.5UFESMH1
RAS-5.0UFESNH1
RAS-6.0UFESNH1

Other manuals for Hitachi RAS-3.5UFESNH1

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Hitachi RAS-3.5UFESNH1 Specifications

General IconGeneral
Cooling Capacity3.5 kW
Heating Capacity4.0 kW
Power Supply220-240V, 50Hz
Outdoor Unit Noise Level50 dB(A)
Outdoor Unit Dimensions (W x H x D)780 x 540 x 269 mm

Summary

Option List

Wired Remote Controller Installation

Covers the installation, custom parameters, and settings for the wired remote controller.

Wireless Remote Controller Operation

Details the wireless remote controller, its buttons, and common operation modes.

IR Receiver Installation and Use

Explains the IR receiver's parts, installation, and operation with the wireless remote.

Troubleshooting

Trouble Guide for Malfunctions

Provides a guide for troubleshooting normal malfunctions and their possible causes and solutions.

Fault Code Identification

Explains fault codes identified via LED indicators, digital tubes, and drive board lamps.

Outdoor Unit Fault Codes

Lists and explains fault codes for outdoor units, including possible reasons and solutions.

Indoor Unit Fault Codes

Provides a table of fault codes for indoor units, detailing causes and remedies.

Drive Fault Code Tables

Lists drive fault codes specific to different HP models and their troubleshooting.

Checking Components

Refrigerant System Check

Details the procedure and tools for checking the system's refrigerant status.

Indoor Unit Parts Check

Covers checking indoor unit fan motors, their models, and testing methods.

Outdoor Unit Parts Check

Instructions for checking outdoor unit fan motors and compressors, including models.

Electrical Component Checks

Procedures for checking inductance, step motor resistance, and fuse continuity.

Disassembly and Assembly

Outdoor Unit Disassembly (3.0-6.5HP)

Step-by-step guide for disassembling and assembling outdoor units across various HP models.

Ducted Fan Motor Removal

Instructions for removing and assembling the fan motor in ducted units for different HP ranges.

Cassette Fan Motor Removal

Step-by-step guide for removing and replacing the fan motor in cassette type units.

Floor Ceiling Fan Motor Removal

Instructions for disassembling and removing the fan motor from floor ceiling units.

Control Logic Description

Fan Only and Cooling Modes

Explains the control logic for fan-only and cooling operational modes.

Heating Mode Logic

Details the control logic and fan speed regulation for heating mode.

Auto Mode Logic

Covers auto mode selection logic based on temperature difference.

Evaporator Low-Temperature Protection

Explains the protection mechanism for low evaporator coil temperatures.

Condenser High-Temperature Protection

Explains the protection mechanism for high condenser coil temperatures.

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