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Hitachi RAS-20FSXNSE User Manual

Hitachi RAS-20FSXNSE
170 pages
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SET FREE SERIES
RAS-(8-96)FSXNSE
RAS-(5-72)FSXNPE
Heat pump system
Heat recovery system
INSTRUCTION MANUAL
MANUAL DE INSTRUCCIONES
BEDIENUNGSANLEITUNG
MANUEL D’UTILISATION
MANUALE DI ISTRUZIONI
MANUAL DE INSTRUÇÕES
BRUGSANVISNING
INSTALLATIEHANDLEIDING
INSTALLATIONSHANDBOK
ΕΓΧΕΙΡΊΔΙΟ ΟΔΗΓΙΏΝ
РЪКОВОДСТВО С УКАЗАНИЯ
NÁVOD K POUŽITÍ
KASUTUSJUHEND
HASZNÁLATI ÚTMUTA
INSTRUKCIJU ROKASGRĀMATA
NAUDOJIMO VADOVAS
INSTRUKCJA OBSŁUGI
MANUAL DE INSTRUCȚIUNI
РУКОВОДСТВО ПО ЭКСПЛУАТАЦИИ
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Hitachi RAS-20FSXNSE Specifications

General IconGeneral
CategoryHeat Pump
Cooling Capacity2.0 kW
Heating Capacity2.5 kW
Power Supply220-240V, 50Hz
Weight (Indoor Unit)9 kg
Noise Level (Outdoor)50 dB

Summary

SAFETY

Piping Work and Refrigerant Charge

CONNECTION KIT selection

Guides the selection of the appropriate optional piping connection kit based on operating mode and unit count.

Pipe size selection

Guidelines for selecting correct pipe sizes for heat pump and heat recovery systems.

Refrigerant Charge

Procedures for performing refrigerant charge, including air-tight testing and insulation.

Additional Refrigerant Charge Calculation

Methods for calculating required additional refrigerant based on piping and unit configurations.

Electric Wiring

Connection of the power supply circuits

Wiring diagrams and procedures for connecting power supply to outdoor and indoor units.

DSW Switch Settings

Setting of the DSW switches on PCB1

Overview and location of DIP switches (DSW) on the PCB1.

DSW1, RSW1: refrigerant cycle number setting

Procedure for setting the refrigerant cycle number for outdoor and indoor units.

DSW4: test run and service settings

DIP switch settings for various test run and service modes.

DSW6: setting outdoor unit number / function setting

Procedure for setting the outdoor unit number and function in combination systems.

DSW7: supply voltage setting and system setting

DIP switch settings for supply voltage and system type (Heat Pump/Recovery).

Commissioning

Preliminary checks

Essential checks to perform before carrying out the test run and commissioning.

Main Safety Devices

Compressor protection

Details on safety devices and their combinations that protect the compressor.

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