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Hitachi YUTAKI S COMBI Series Instruction Manual
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Hitachi YUTAKI S COMBI Series Instruction Manual

Hitachi YUTAKI S COMBI Series Instruction Manual

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INSTRUCTION MANUAL
MANUAL DE INSTRUCCIONES
BEDIENUNGSANLEITUNG
MANUEL D'UTILISATION
MANUALE DI ISTRUZIONI
YUTAKI S COMBI SERIES
RWD-(2.0-6.0)NW(S)E-(200/260)S(-K)(-W)
MANUAL DE INSTRUÇÕES
BRUGSANVISNING
INSTALLATIEHANDLEIDING
INSTALLATIONSHANDBOK
ΕΓΧΕΙΡΊΔΙΟ ΟΔΗΓΙΏΝ
Indoor unit

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Summary of Contents for Hitachi YUTAKI S COMBI Series

  • Page 1 MANUAL DE INSTRUÇÕES INSTRUCTION MANUAL BRUGSANVISNING MANUAL DE INSTRUCCIONES INSTALLATIEHANDLEIDING BEDIENUNGSANLEITUNG INSTALLATIONSHANDBOK MANUEL D’UTILISATION MANUALE DI ISTRUZIONI ΕΓΧΕΙΡΊΔΙΟ ΟΔΗΓΙΏΝ YUTAKI S COMBI SERIES Indoor unit RWD-(2.0-6.0)NW(S)E-(200/260)S(-K)(-W)
  • Page 3 Specifikationerna i den här handboken kan ändras utan föregående meddelande för att HITACHI ska kunna leverera de senaste innovationerna till kunderna. Vi på HITACHI gör allt vi kan för att se till att alla specifikationer stämmer, men vi har ingen kontroll över tryckfel och kan därför inte hållas ansvariga för den typen av fel.
  • Page 4 C A U T I O N This product shall not be mixed with general house waste at the end of its life and it shall be retired according to the appropriated local or national regulations in a environmentally correct way. Due to the refrigerant, oil and other components contained in heat pump, its dismantling must be done by a professional installer according to the applicable regulations.
  • Page 5 Important note: Please, check, according to the model name, which is your MODELS CODIFICATION heat pump type, how it is abbreviated and referred to in this Instruction Manual. This Instruction Manual is only related to Indoor Units RWD-NW(S)E-S(-K)(-W) combined with Outdoor Units RAS-WH(V)NP(E). Nota importante: compruebe, de acuerdo con el nombre del modelo, el tipo CODIFICACIÓN DE LOS MODELOS de bomba de calor, su abreviatura y su referencia en el presente manual...
  • Page 6  Standard model INDOOR UNIT - UNIDAD INTERIOR - INNENGERÄT - UNITÉ INTÉRIEURE - UNITÀ INTERNA - UNIDADE INTERIOR - INDENDØRSENHED - BINNENUNIT - INOMHUSENHET - ΕΣΩΤΕΡΙΚΗ ΜΟΝΑ∆Α SPLIT AIR TO WATER HEAT PUMP MODELS ( ) ( ) ( ) 1~ 230V 50Hz 3N~ 400V 50Hz Unit...
  • Page 7  Model for UK market INDOOR UNIT - UNIDAD INTERIOR - INNENGERÄT - UNITÉ INTÉRIEURE - UNITÀ INTERNA - UNIDADE INTERIOR - INDENDØRSENHED - BINNENUNIT - INOMHUSENHET - ΕΣΩΤΕΡΙΚΗ ΜΟΝΑ∆Α SPLIT AIR TO WATER HEAT PUMP MODELS ( ) ( ) ( ) 1~ 230V 50Hz 3N~ 400V 50Hz Unit...
  • Page 8 INDEX ÍNDICE 1 GENERAL INFORMATION 1 INFORMAÇÃO GERAL 2 SAFETY 2 SEGURANÇA 3 GENERAL DIMENSIONS 3 DIMENSÕES GERAIS 4 REFRIGERANT AND WATER PIPING 4 TUBAGEM DE REFRIGERANTE E DE áGUA 5 ELECTRICAL AND CONTROL SETTINGS 5 AJUSTES DE CONTROLO E ELÉTRICOS 6 UNIT INSTALLATION 6 INSTALAÇÃO DA UNIDADE 7 COMMISSIONING...
  • Page 9 The English version is the original one; other languages are translated from English. Should any discrepancy occur between the English and the translated versions, the English version shall prevail. La versión en inglés es la original, y las versiones en otros idiomas son traducciones de la inglesa. En caso de discrepancias entre la versión inglesa y las versiones traducidas, prevalecerá...
  • Page 11 1 GENERAL INFORMATION No part of this publication may be reproduced, copied, filed HITACHI makes every effort to offer correct, up-to-date or transmitted in any shape or form without the permission of documentation. Despite this, printing errors cannot be controlled Johnson Controls-Hitachi Air Conditioning Spain, S.A.U.
  • Page 12 In case that the CD-ROM is • If you have any questions, contact your service contractor of missing or it is not readable, please contact your HITACHI HITACHI. dealer or distributor. • Check and make sure that the explanations of each part PLEASE READ THE MANUAL AND THE FILES ON THE •...
  • Page 13 GENERAL DIMENSIONS 3 GENERAL DIMENSIONS 3.1 NAME OF PARTS AND DIMENSIONAL DATA 3.1.1 Standard model  RWD-(2.0-6.0)NWE-200S(-W) Top view Front view Side view XEKS1723 Units in: mm Number Part name Number Part name Plate heat exchanger Mounting foot (x4) Water inlet pipe connection Water pump 2.0-3.0HP: G 1”...
  • Page 14 GENERAL DIMENSIONS  RWD-(2.0-6.0)NWE-260S(-W) Top view Front view Side view Units in: mm XEKS1724 Number Part name Number Part name Plate heat exchanger Mounting foot (x4) Water inlet pipe connection Water pump 2.0-3.0HP: G 1” female / 4.0-6.0HP: G1 1/4” female Water outlet pipe connection Electric water heater 2.0-3.0HP: G 1”...
  • Page 15 GENERAL DIMENSIONS 3.1.2 Model for solar combination  RWD-(2.0-6.0)NWSE-260S(-W) Top view Front view Side view Units in: mm XEKS1725 Number Part name Number Part name Water inlet pipe connection Plate heat exchanger 2.0-3.0HP: G 1” female / 4.0-6.0HP: G1 1/4” female Water outlet pipe connection Water pump 2.0-3.0HP: G 1”...
  • Page 16 GENERAL DIMENSIONS 3.1.3 Model for UK market  RWD-(2.0-6.0)NWE-200S-K Top view Front view Side view XEKS1755 Units in: mm Number Part name Number Part name Water inlet pipe connection Plate heat exchanger 2.0-3.0HP: G 1” female / 4.0-6.0HP: G1 1/4” female Water outlet pipe connection Water pump 2.0-3.0HP: G 1”...
  • Page 17 GENERAL DIMENSIONS  RWD-(2.0-6.0)NWE-260S-K Top view Front view Side view XEKS1756 Units in: mm Number Part name Number Part name Water inlet pipe connection Plate heat exchanger 2.0-3.0HP: G 1” female / 4.0-6.0HP: G1 1/4” female Water outlet pipe connection Water pump 2.0-3.0HP: G 1”...
  • Page 18 GENERAL DIMENSIONS 3.2 SERvICE SPACE 3.2.1 Standard model  RWD-(2.0-6.0)NWE-(200/260)S(-W) Front view Top view Units in mm. 3.2.2 Model for solar combination and UK market  and RWD-(2.0-6.0)NWSE-(200/260)S-K RWD-(2.0-6.0)NWSE-260S(-W) Front view Top view Units in mm. PMML0338B rev.6 - 12/2018...
  • Page 19 REFRIGERANT AND WATER PIPING 4 REFRIGERANT AND WATER PIPING 4.1 GENERAL NOTES BEFORE PERFORMING PIPING WORK • Prepare locally-supplied copper pipes. • If piping installation is not completed until next day or over a longer period of time, braze off the ends of the piping •...
  • Page 20 REFRIGERANT AND WATER PIPING 4.3 SPACE HEATING AND DHW D A N G E R Do not connect the power supply to the indoor unit prior to filling the space heating and DHW circuit with water and checking water pressure and the total absence of any water leakage. 4.3.1 Additional hydraulic necessary elements for space heating Nature Nº Part name Water inlet (Space heating) Piping connections Water outlet (Space heating) Factory supplied Shut-down valve (factory-supplied) Water check valve Accessories...
  • Page 21 1 Recirculation water pump (field supplied): this water pump (4) will help to correctly recirculate the hot water to the DHW water inlet. • 1 Water check valve (ATW-WCV-01 accessory): this HITACHI accessory (3) is connected after the recirculation water pump (4) in order to ensure the non-return of water. •...
  • Page 22 REFRIGERANT AND WATER PIPING 4.3.5 Requirements and recommendations for the hydraulic circuit • The maximum piping length depends on the maximum • Fresh water must circulate inside the DHW tank water pressure availability in the water outlet pipe. Please check circuit at least one time per day during the first days after the pump curves.
  • Page 23 REFRIGERANT AND WATER PIPING 4.3.6 Water filling  Space heating 1 Check that a water check valve (ATW-WCV-01 accessory) 9 If a little quantity of air is still remaining in the water circuit, with a shut-down valve (field supplied) is connected to the it will be removed by the automatic air purger of the indoor water filling point (water inlet connection) for filling the space unit during the first hours of operation.
  • Page 24 ELECTRICAL AND CONTROL SETTINGS 5 ELECTRICAL AND CONTROL SETTINGS 5.1 GENERAL CHECK • Make sure that the following conditions related to power supply installation are satisfied: The power capacity of the electrical installation is large enough to support the power demand of the YUTAKI system (outdoor unit + indoor unit + DHW tank).
  • Page 25 ELECTRICAL AND CONTROL SETTINGS 5.2 SYSTEM WIRING DIAGRAM Connect the units according to the following electric diagram: Terminal board Field wiring Circuit breaker Field-supplied Earth leakage breaker Outdoor-Indoor communication Internal wiring Outdoor unit Outdoor unit Operating Line RAS-WHVNP(E) RAS-WHNPE Operating Line (Twisted shielded pair cable or shielded pair cable) (Twisted shielded DC5V (Non-Pole Transmission, H-LINK system)
  • Page 26 ELECTRICAL AND CONTROL SETTINGS 5.4 WIRING SIZE AND MINIMUM REqUIREMENTS OF THE PROTECTION DEvICES C A U T I O N • Check to ensure that the field supplied electrical components (mains power switches, circuit breakers, wires, connectors and wire terminals) have been properly selected according to the electrical data indicated on this chapter and they comply with national and local codes. If it is necessary, contact with your local authority in regards to standards, rules, regulations, etc. • Use a dedicated power circuit for the indoor unit. Do not use a power circuit shared with the outdoor unit or any other appliance. Use wires which are not lighter than the polychloroprene sheathed flexible cord (code designation 60245 IEC 57). Power supply Transmitting Max.
  • Page 27 ELECTRICAL AND CONTROL SETTINGS 5.5 OPTIONAL INDOOR UNIT WIRING (ACCESSORIES)  Summary of the terminal board connections PMML0338B rev.6 - 12/2018...
  • Page 28 ELECTRICAL AND CONTROL SETTINGS Mark Part name Description TERMINAL BOARD 1 (TB1) 1~ 230V 50Hz 3N~ 400 50Hz Main power supply connection TERMINAL BOARD 2 (TB2) The H-LINK transmission has to be done between the indoor unit and the terminals 1-2 of either H-LINK commutation outdoor unit, ATW-RTU-05 or any other central device.
  • Page 29 ELECTRICAL AND CONTROL SETTINGS Mark Part name Description 32(C) Common line Common terminal for the 3-way valve for DHW tank. The air to water heat pump can be used to heat DHW. This output will be on when DHW is 33(L) 3-way valve for DHW tank activated.
  • Page 30 ELECTRICAL AND CONTROL SETTINGS  DSW1: Additional setting 0 C A U T I O N Factory setting. No setting is required. • Never turn all DSW4 dip switch pins ON. If this happens, the software of the unit will be removed. • Never activate “Heater Forced OFF” and “Electric heater or boiler Factory setting emergency mode” at the same time.  DSW5: Additional setting 3 In the cases where the outdoor unit is installed into a location where its own outdoor ambient temperature sensor can not...
  • Page 31 UNIT INSTALLATION   DSW15 & RSW2/ DSW16 & RSW1: Not used SSW2: Heat/Cool Heat Factory setting Factory setting (Heat operation) Cool (Do not change) Heat Cool and Heat operation in case of Local  Cool SSW1: Remote/Local 5.6.3 LED indication Factory setting Remote Name...
  • Page 32 UNIT INSTALLATION 6.1.3 Unpacking 3 Unscrew the 4 screws which fix the unit to the wooden base. All units are supplied with a wooden base, packed by a cardboard box and plastic bag. Firstly to unpack it, place the unit on the assembly area as close as possible to its final installation location, to avoid damages in transport.
  • Page 33 UNIT INSTALLATION 6.1.4 Factory-supplied indoor unit components 6.1.5 Indoor unit main parts (Descriptions) Accessory Image qty. Purpose Nº Part Shut-down To make easier the installation Indoor unit front cover valve work in the space heating (2-3HP: 1”) water inlet/outlet connections. (4-6HP: 1-1/4”) For a better servicing.
  • Page 34 UNIT INSTALLATION  Removing the indoor unit upper cover 6.2.2 Removing indoor unit electrical box 1 Remove the indoor unit front cover. D A N G E R 2 Unscrew the 2 upper fixing screws. • Disconnect the unit from the power supply before touching any of the parts in order to avoid an electrical shock. • Do not touch the switch for DHW tank heater operation when handling the electrical box. Keep the position of this switch in factory setting position (“Automatic” operation).
  • Page 35 UNIT INSTALLATION 6.3 INSTALLATION OF INDOOR UNIT 6.3.3 Drain pipes connection N O T E Please, try to perform all this procedure following all the steps in the exact For a correct drainage, connect the drain pipe for the safety order in which they are presented below. valve (located at the top rear side of the unit) to the general Installation procedure draining system.
  • Page 36 UNIT INSTALLATION 6.3.5 Power and transmission wiring connection   Safety instructions Connection procedure Access to the electrical box before performing the next steps: N O T E 1 Using the appropriate cable, connect the power circuit to the Check the requirements and recommendations in the chapter “5 appropriate terminals as shown on the wiring label and the ELECTRICAL AND CONTROL SETTINGS”...
  • Page 37 COMMISSIONING 6.3.6 Levelling procedure 6.3.7 Test and check Once the indoor unit connections have finished, adjust the Finally, test and check the following items: height of the mounting foot to align perfectly the refrigerant • Water leakage piping outlet to the installation connection. •...
  • Page 38 COMMISSIONING 7.2.1 Checking the unit • The pressure of the DHW circuit in the tank has to be lower than 7 bars. • Check external appearance of the unit to look for any • Check that the water tank heating coil is completely filled. damage due to transportation or installation.
  • Page 39 Heating at lower water temperatures (approximately 10ºC to 15ºC) In case of Heater Forced OFF (by optional dip switch setting) these and lower outdoor ambient temperatures (<10ºC) can be damaging to condition is not performed and heating is performed by Heat Pump. the heat pump when defrosting. HITACHI is not responsible for its operation. • As a result, Heating up to 15ºC when outdoor temperature is lower than 10ºC is performed by the Electrical Heater. C A U T I O N It is recommended start the unit (first power ON) with heater forced OFF and compressor forced OFF (See “5.6 Setting of DIP switches and RSW...
  • Page 40 UNIT CONTROLLER 8 UNIT CONTROLLER 8.1 DEFINITION OF THE SWITCHES        Liquid Crystal Display  Screen where controller software is displayed. OK button  To select the variables to be edited and to confirm the selected values. Arrows key ...
  • Page 41 UNIT CONTROLLER 8.2 MAIN SCREEN Depending on the working mode of the user controller, the main screen is shown in a different way. When the user controller is working as a master unit controller, a comprehensive view with all the elements is shown, whereas when the user controller is working as a room thermostat (located in one of the controlled zones), the main screen appears with simplified information.
  • Page 42 UNIT CONTROLLER 8.2.2 Room thermostat view           Time and date Next circuit   The current time/date information is displayed. This It informs that there is a room thermostat view for a second information can be changed on the configuration menu circuit and it is possible to access by pressing the right key.
  • Page 43 UNIT CONTROLLER 8.3 DESCRIPTION OF THE ICONS 8.3.1 Common icons 8.3.2 Icons for the comprehensive view Icon Name Explanation Icon Name Explanation This icon informs about pump operation. Circuit I or II is in Demand-OFF There are three available pumps on the system.
  • Page 44 UNIT CONTROLLER 8.3.3 Icons for the room thermostat view Icon Name Explanation Manual mode Manual/Auto Auto mode with timer setting mode Auto mode without timer setting Setting temperature Setting/Room temperature Room temperature End of timer The end hour of the timer period is indicated period below this icon End of holiday...
  • Page 45 Johnson Controls-Hitachi Air Conditioning Spain, S.A.U. Ronda Shimizu, 1 - Políg. Ind. Can Torrella 08233 Vacarisses (Barcelona) Spain © Copyright 2018 Johnson Controls-Hitachi Air Conditioning Spain, S.A.U. – All rights reserved. Printed in Spain PMML0338B rev.6 - 12/2018...

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