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Hitachi RPI-6.0FSN4E - User Manual

Hitachi RPI-6.0FSN4E
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SET FREE SERIES
FSXN1E
FSXNH(E)
INSTALLATION AND OPERATION MANUAL
MANUAL DE INSTALACIÓN Y FUNCIONAMIENTO
INSTALLATIONS- UND BETRIEBSHANDBUCH
MANUEL D’INSTALLATION ET DE FONCTIONNEMENT
MANUALE D’INSTALLAZIONE E D’USO
MANUAL DE INSTALAÇÃO E DE FUNCIONAMENTO
INSTALLATIONS- OG BETJENINGSVEJLEDNING
INSTALLATIE- EN BEDIENINGSHANDLEIDING
INSTALLATION- OCH DRIFTHANDBOK
ΕΓΧΕΙΡΙΔΙΟ ΕΓΚΑΤΑΣΤΑΣΗΣ ΚΑΙ ΛΕΙΤΟΥΡΓΙΑΣ
PMML0294A_rev.2_02-2014.indb 1 14/07/2014 12:27:46

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Hitachi RPI-6.0FSN4E Specifications

General IconGeneral
BrandHitachi
ModelRPI-6.0FSN4E
CategoryAir Conditioner
LanguageEnglish

Summary

1 GENERAL INFORMATION

1.1 GENERAL NOTES

Manual copyright, reproduction restrictions, and right to change specifications without prior notice.

1.2 PRODUCT GUIDE

Guide to product models, including classification and combinations of outdoor units for SET FREE series.

1.2.1 Prior check

Verify model name, system type, and codes before installation for SET FREE series units.

1.2.2 Classification of outdoor unit models

Details unit type, capacity, refrigerant, and origin for classifying outdoor unit models.

Special models RAS-(16;32)FSXN1 E-P and RAS-(12;24)FSXNH(E)-P

Information on special models designed for high performance installations, with data in Technical Catalogue.

1.2.3 Combination of outdoor units FSXN1 E

Explains power range and combinations for FSXN1E outdoor units, listing base and combined units.

1.2.4 Combination of outdoor units FSXNH

Details power range and combinations for FSXNH outdoor units, listing base and combined units.

1.3 SAFETY

1.3.1 Symbols used

Explains the meaning of DANGER, CAUTION, and NOTE symbols used throughout the manual for safety.

1.3.2 Additional information about safety

Details on general safety precautions, handling electric components, and potential hazards.

1.3.3 Pressure vessel and safety device

Information on high pressure vessels and switches in the air conditioning unit for safety.

2 REMOTE CONTROL OPERATION

1.4 PURPOSE OF MANUAL

Explains the manual's purpose and the importance of reading it before installation for correct operation and safety.

1.5 WORKING RANGE

Specifies the operating temperature ranges for cooling and heating modes for the heat pump and heat recovery system.

3 AUTOMATIC CONTROLS

3.1 AUTOMATIC CONTROLS

Details automatic functions like three-minute protection, frost prevention, defrost cycle, and overload prevention.

4 PART NAMES

4.1 RAS-8 FSXN1 E

Identifies and lists the parts of the RAS-8FSXN1E outdoor unit with a detailed diagram and corresponding numbers.

4.2 RAS-(10;12)FSXN1 E

Identifies and lists the parts of the RAS-(10/12)FSXN1E outdoor unit with a detailed diagram and corresponding numbers.

4.3 RAS-(14;16)FSXN1 E

Identifies and lists the parts of the RAS-(14/16)FSXN1E outdoor unit with a detailed diagram and corresponding numbers.

4.4 RAS-(5;6)FSXNH(E)

Identifies and lists the parts of the RAS-(5/6)FSXNH(E) outdoor unit with a detailed diagram and corresponding numbers.

4.5 RAS-(8-12)FSXNH(E)

Identifies and lists the parts of the RAS-(8-12)FSXNH(E) outdoor unit with a detailed diagram and corresponding numbers.

5 REFRIGERANT CYCLE

5.1 RAS-(8-12)FSXN1 E

Illustrates the refrigerant cycle for the RAS-(8-12)FSXN1E model, detailing flow directions and components.

5.2 RAS-(14;16)FSXN1 E

Illustrates the refrigerant cycle for the RAS-(14/16)FSXN1E model, detailing flow directions and components.

5.3 RAS-(5;6)FSXNH(E)

Illustrates the refrigerant cycle for the RAS-(5/6)FSXNH(E) model, detailing flow directions and components.

5.4 RAS-(8-12)FSXNH(E)

Illustrates the refrigerant cycle for the RAS-(8-12)FSXNH(E) model, detailing flow directions and components.

6 TRANSPORT, LIFTING AND HANDLING OF THE UNITS

6.1 TRANSPORT OF OUTDOOR UNIT

Guidelines for securely fastening units during transport to avoid damage, using appropriate slings and protection.

6.2 HANDLING

Details safe practices for handling loads with fork-lift trucks, emphasizing care to prevent injuries and damage.

6.3 LIFTING METHOD

Explains the correct method for lifting units, using hoisting slings through base openings and avoiding metal cables.

7 UNIT INSTALLATION

7.1 PRELIMINARY CONDITIONS FOR POSITIONING OF OUTDOOR UNIT

Specifies conditions for outdoor unit placement, considering sunlight, ventilation, noise, access, and environmental factors.

7.2 INSTALLATION SPACE

Details required clearance around the unit for installation, maintenance, and airflow, considering surrounding walls.

7.3 INSTALLATION

Provides installation guidelines based on surrounding walls in two, three, or four directions, with specific clearance requirements.

7.3.1 Installation with walls in two directions

Specifies installation clearances when units are adjacent to high buildings without walls in two directions.

7.3.2 Installation with walls in three directions

Details installation clearances for units with walls on three sides, including single and rear-to-rear configurations.

7.3.3 Installation with walls in four directions

Outlines installation clearances for units with walls on all four sides, including single and multiple unit setups.

7.3.4 Considerations

Discusses factors like space for maintenance, airflow, grouping units, and wall openings for proper installation.

7.4 FOUNDATION AND ANCHORAGE OF OUTDOOR UNIT

Covers requirements for foundations, drainage, anchorage bolts, and ensuring the unit is level and secure.

7.4.1 Foundations

Details foundation requirements, including height above ground, drainage, and materials for stable installation.

7.4.2 Position of anchorage bolts

Specifies the correct placement and securing method for anchorage bolts using nuts, washers, and mortar.

8 PIPING WORK AND REFRIGERANT CHARGE

8.1 REFRIGERANT PIPE SELECTION

Guides the selection of refrigerant pipe sizes based on system type (heat pump/recovery) and outdoor unit specifications.

8.1.1 Refrigerant pipe selection

Instructions on selecting pipe sizes between units and to multikits, with CAUTION on using correct diameters.

8.1.2 Copper pipes, sizes, connection and insulation

Details copper pipe specifications, sizes, connection methods, and the importance of insulation for refrigeration systems.

Selection of the connection with flare fitting

Explains the process and requirements for using flare fittings when pipe widening is not possible or suitable.

Connection position of outdoor unit pipes

Shows the specific connection points for refrigerant pipes on outdoor units and lists factory-supplied accessories.

Accessories factory-supplied with FSXN1 E units

Lists accessories provided with FSXN1E units for refrigerant pipe connections, including pipe sizes and types.

Accessories factory-supplied with FSXNH(E) units

Lists accessories provided with FSXNH(E) units for refrigerant pipe connections, including pipe sizes and types.

8.1.3 Pipe connection kit

Details the pipe connection kits for SET FREE FSXN1E series (2 pipes), showing dimensions and configurations.

8.1.5 Precautions for the installation of the outdoor unit

Specifies the order of installation for multiple outdoor units based on capacity and proximity to indoor units.

Order of installation of the units

Specifies the order of installation for multiple outdoor units based on capacity and proximity to indoor units.

Refrigerant pipe installation between outdoor units

Guides the installation of refrigerant pipes between outdoor units, including oil recovery and tilting considerations.

8.1.6 General instructions on the installation of refrigerant pipes

Explains the necessity and method for insulating refrigerant pipes to prevent temperature loss and condensation.

Flared connection mounting

Details the procedure for flaring copper pipes, including cleaning, oil application, and tightening torque specifications.

Refrigerant pipe insulation

Explains the necessity and method for insulating refrigerant pipes to prevent temperature loss and condensation.

8.1.7 Refrigerant pipe connection for heat pump systems (2 pipes) and heat recovery systems (3 pipes)

Provides diagrams and tables for connecting refrigerant pipes for heat pump systems with 2 pipes.

Heat pump systems (2 pipes)

Provides diagrams and tables for connecting refrigerant pipes for heat pump systems with 2 pipes.

For heat recovery systems (3 pipes)

Provides diagrams and tables for connecting refrigerant pipes for heat recovery systems with 3 pipes.

Pipe sizes for RAS-(8-16)FSXN1 E and RAS-(5-12)FSXNH(E) (base unit)

Tables detailing pipe sizes (Ø mm) for heat pump systems (2 pipes) based on outdoor and indoor unit capacity.

For Heat pump systems (2 pipes)

Tables detailing pipe sizes (Ø mm) for heat pump systems (2 pipes) based on outdoor and indoor unit capacity.

For Heat recovery systems (3 pipes)

Tables detailing pipe sizes (Ø mm) for heat recovery systems (3 pipes) based on outdoor and indoor unit capacity.

Pipe sizes for RAS-(18-32)FSXN1 E and RAS-(14-24)FSXNH(E) (Combination of 2 units)

Tables detailing pipe sizes for 2-unit combinations of FSXN1E and FSXNH(E) systems.

Stop Valve Operations

Gas Valve Operations

Instructions for operating and checking gas stop valves, including tightening torques and caution for cold areas.

Liquid Valve Operations

Details on tightening flare nuts for liquid stop valves and cautions regarding excessive force and back seat construction.

Stop Valve Details

Provides information on stop valve components, tightening torques, and connection details for different valve types.

Refrigerant Pipe Connection Details

Illustrates refrigerant pipe connections for heat pump and heat recovery systems, showing valve types and arrangement.

9 ADDITIONAL REFRIGERANT CHARGE

9.1 AIR-TIGHT TEST

Procedure for performing an air-tight test using nitrogen gas, including valve checks and tightening torques.

9.2 VACUUMING

Steps for vacuum pumping the system, checking pressure, and ensuring no moisture or leakage remains.

9.3 ADDITIONAL REFRIGERANT CHARGE CALCULATION

Method for calculating additional refrigerant charge based on pipe diameter, length, and unit capacity.

Maximum additional refrigerant charge quantity

Table showing maximum additional refrigerant quantities for different HP ratings to avoid exceeding limits.

Charging work

Instructions for charging the system with refrigerant R410A and recording the total refrigerant charge.

Record of additional charge

Formula and fields for recording total refrigerant charge and the date of the charging work for future reference.

Refrigerant charge amount of outdoor unit before shipment (WO) kg

Lists the factory refrigerant charge (WO) for various outdoor unit models (FSXN1E and FSXNH(E)).

Additional refrigerant calculation for wall type (RPK-FSNH3 M Series) with the expansion valve kit

Specific calculation method for additional refrigerant for wall type units with expansion valve kits, based on piping.

9.4 CHARGING WORK

Detailed steps for charging additional refrigerant, including cautions on valve operation and correct charging procedure.

Caution for opening stop valve

Specific warnings and instructions related to opening stop valves safely, especially regarding force and temperature.

Insulation work

Guidelines for securely insulating refrigerant pipes and piping covers to prevent damage and maintain performance.

Special attention regarding refrigerant gas leakage

Highlights critical gas concentration limits and necessary measures to avoid accidental refrigerant gas leakage.

9.5.1 Precautions in the event of refrigerant leaks

Strict observance of local laws and codes regarding refrigerant leaks and maximum permitted concentrations are emphasized.

Maximum permitted concentration of hydrofluorcarbon (HFC)

Defines the maximum permitted concentration of R410A gas in the air (0.44 kg/m³) and the need for measures to stay below it.

Calculation of the refrigerant concentration

Provides the formula (R/V=C) to calculate refrigerant concentration in a room based on total charge and room volume.

9.5.2 Drainage pipes

Addresses condensation drainage from outdoor units, selection of suitable locations, and use of optional drainage kits.

Condensation drainage system

Explains the need for drainage due to condensation and provides guidelines for installation and avoiding freezing.

10 ELECTRICAL WIRING

10.1 GENERAL INFORMATION

General safety precautions for electrical wiring work, including switching off power, protecting cables, and securing them.

10.2 GENERAL VERIFICATIONS

Checks for correct selection of electrical components, supply voltage, cable connections, and earth connection.

10.3 CONNECTION OF THE POWER SUPPLY CIRCUITS

Outlines power source wiring methods for heat pump and heat recovery systems, specifying connections to outdoor and indoor units.

Heat pump system

Wiring diagram and instructions for connecting power sources to outdoor units and indoor units in a heat pump system.

Heat recovery system

Wiring diagram and instructions for connecting power sources to outdoor and indoor units in a heat recovery system.

10.3.1 Cable sizes

Table specifying minimum wire sizes for power source and transmission cables based on model and power supply.

10.3.2 Main breaker switch

Provides electrical data and recommended wiring/breaker sizes for each outdoor unit, including ELB and CB types.

10.3.3 Voltage supply

Information on service voltage, start-up voltage, voltage imbalance, and electromagnetic compatibility (Zmax, Harmonics).

Electromagnetic compatibility

Details maximum allowed system impedance (Zmax) and harmonic considerations per IEC standards.

Harmonics

Discusses compliance with IEC standards for harmonics and short circuit current (Ssc) at the connection point.

10.4 ELECTRICAL WIRING FOR OUTDOOR UNIT

Instructions for connecting electrical wiring to the outdoor unit's terminal board, including power and transmission cables.

10.5 SETTING OF THE DSW SWITCHES ON PCB1

Details the location and procedure for setting DIP switches on PCB1 for various functions like refrigerant cycle and unit numbering.

11 TEST RUN

11.1 PRELIMINARY CHECKS

Lists essential checks before test run, including refrigerant pipes, communication cables, unit settings, and electrical connections.

11.2 CARRY OUT THE TEST RUN

Step-by-step guide for performing the test run on indoor and outdoor units, checking system conformity and operation.

11.3 PC-ART REMOTE CONTROLLER

Instructions for initiating and conducting the test run using the PC-ART remote controller, including display indications.

11.4 PC-ARF REMOTE CONTROLLER

Instructions for performing test run functions using the PC-ARF remote controller, including setting modes and checking louvers.

11.5 TEST RUN CHECK LIST

A checklist to verify all critical aspects during the test run, covering fan rotation, noise, temperatures, pressures, and wiring.

12 ALARM CODES

Most common alarm codes

Lists common alarm codes, their categories, content of abnormality, and possible causes for diagnosis and troubleshooting.

13 CONTROL AND SAFETY DEVICES

Compressor protection

Details the devices and combinations that protect the compressor, such as pressure switches, oil heaters, and fuse capacities.

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