Related Manuals for Hitachi RAS-1.5WHVRP2E
Summary of Contents for Hitachi RAS-1.5WHVRP2E
- Page 1 – INSTALLATION AND OPERATION MANUAL – YUTAKI OUTDOOR UNIT MODELS RAS-1.5WHVRP2E RAS-2WHVRP2E RAS-2.5WHVRP2E RAS-3WHVRP2E PMEN0641 rev.0 - 05/2023...
- Page 2 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 3 English Original version Español Versión traducida Deutsch Übersetzte Version Français Version traduite Italiano Versione tradotta Português Versão traduzidal Dansk Oversat version Nederlands Vertaalde versie Svenska Översatt version Ελληνικα Μεταφρασμένη έκδοση Български Преведена версия Čeština Přeložená verze Magyar Lefordított változat Lietuvių Versta versija Polski Tłumaczenie wersji oryginalnej...
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Page 4: Table Of Contents
Contents General information .....................1 Name of parts and dimensional data ..............7 Electrical data .......................9 Working range ....................11 Refrigerant piping ....................13 Electrical and control settings ................22 Maintenance.......................30 Commissioning ....................34 PMEN0641 rev.0 - 05/2023... - Page 5 General Index 1. General information ....................1 1.1 General information ..................2 1.1.1 General notes ..................2 1.2 Applied symbols....................2 1.3 General safety notes ..................4 1.3.1 Additional information about safety ............4 1.4 Important notice ....................5 1.5 Product guide ....................6 1.6 Product list ......................6 2. Name of parts and dimensional data .................7 2.1 YUTAKI Outdoor Unit - RAS-(1.5-3)WHVRP2E ...........8 3. Electrical data...
- Page 6 5.2.4 Drain Piping....................18 5.2.4.1 Drain Discharging Boss .............18 5.3 Refrigerant circuit ....................19 5.3.1 General notes R32 refrigerant ...............19 5.3.2 Refrigerant piping ..................19 5.3.3 Refrigerant charge .................21 5.3.3.1 Refrigerant charge amount ............21 5.3.3.2 Refrigerant charge before shipment (W (kg)) ......21 6. Electrical and control settings ..................22 6.1 General check ....................23 6.2 Electrical connection ..................24 6.2.1 Wiring size .....................24 6.2.2 Minimum requirements of the protection devices ......24...
- Page 7 8.2.1 Checking the unit ...................35 8.2.2 Electrical checking .................35 8.2.3 Checking the refrigerant circuit .............36 8.3 Commissioning procedure ................36 8.4 Test run / air purge ..................37 PMEN0641 rev.0 - 05/2023...
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Page 8: General Information
General information 1.1 General information ..................2 1.1.1 General notes ..................2 1.2 Applied symbols....................2 1.3 General safety notes ..................4 1.3.1 Additional information about safety ............4 1.4 Important notice ....................5 1.5 Product guide ....................6 1.6 Product list ......................6 PMEN0641 rev.0 - 05/2023... -
Page 9: General Information
1.1 General information 1.1.1 General notes © Copyright 2023 Johnson Controls-Hitachi Air Conditioning Spain, S.A.U. – All rights reserved. No part of this publication may be reproduced, copied, filed or transmitted in any shape or form without the permission of Johnson Controls-Hitachi Air Conditioning Spain, S.A.U. - Page 10 CAUTION • The text following this symbol contains information and instructions relating directly to your safety, in addition to hazards or unsafe practices which could result in minor personal injuries or product or property damage. • Not taking these instructions into account could lead to minor injuries to you and others. •...
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Page 11: General Safety Notes
1.3 General safety notes 1.3.1 Additional information about safety DANGER • DO NOT CONNECT THE POWER SUPPLY TO THE INDOOR UNIT PRIOR TO FILLING THE SPACE HEATING CIRCUIT (AND DHW CIRCUIT IF IT WAS THE CASE) WITH WATER AND CHECKING WATER PRESSURE AND THE TOTAL ABSENCE OF ANY WATER LEAKAGE. •... -
Page 12: Important Notice
If this is not the case, contact your distributor. • Hitachi pursues a policy of continuous improvement in product design and performance. The right is therefore reserved to vary specifications without notice. -
Page 13: Product Guide
For water combination Heat pump V: Single phase unit (~ 230V 50Hz) R: R32 refrigerant Premium series 2: series E: Made in Europe —: Made in Japan 1.6 Product list ~ 230V 50Hz RAS-1.5WHVRP2E RAS-2WHVRP2E RAS-2.5WHVRP2E RAS-3WHVRP2E PMEN0641 rev.0 - 05/2023... -
Page 14: Name Of Parts And Dimensional Data
Name of parts and dimensional data 2.1 YUTAKI Outdoor Unit - RAS-(1.5-3)WHVRP2E ...........8 PMEN0641 rev.0 - 05/2023... -
Page 15: Yutaki Outdoor Unit - Ras-(1.5-3)Whvrp2E
2.1 YUTAKI Outdoor Unit - RAS-(1.5-3)WHVRP2E Punched drain hole (30x80 long hole) A ttachmentholeforM10anchorbolt (2-Ucuthole) Airsuctioninlet Punched drain hole (For drain pipe) AttachmentholeforM10anchorbolt (2-Long hole) Footpart Airdischargeoutlet Pipe cover Service cove T erminalboardforpowersupplyand transmission Terminalscrewofpowersupplywire(M5) Terminalscrewoftransmissionwire(M4) Terminalscrewofearthwire(M5) C onnectionofrefrigerantliquidpipe (WithflarenutforØ6.35copperpipe) C onnectionofrefrigerantgaspipe (WithflarenutforØ12.7copperpipe) -
Page 16: Electrical Data
Electrical data 3.1 Considerations ....................10 3.2 Split system - YUTAKI Outdoor unit ..............10 PMEN0641 rev.0 - 05/2023... -
Page 17: Considerations
» Unit capacity: 100% at maximum operating conditions. • The power supply cables must be sized to cover this maximum current value. • Specifications in these tables are subject to change without notice in order that Hitachi may bring the latest innovations to their customers. -
Page 18: Working Range
Working range 4.1 Power supply working range ................12 4.2 Temperature working range ................12 PMEN0641 rev.0 - 05/2023... -
Page 19: Power Supply Working Range
4.1 Power supply working range ◆ Nominal power supply • Single phase: ~ 230V 50Hz • Three phase: 3N~ 400V 50Hz ◆ Operating voltage Between 90 and 110% of the nominal voltage. ◆ Voltage imbalance for nominal power supply 3N~ 400V 50Hz ... -
Page 20: Refrigerant Piping
Refrigerant piping 5.1 General notes before performing piping work ..........14 5.2 Piping connection for Outdoor Unit ..............15 5.2.1 Outdoor unit stop valve .................15 5.2.2 Brazing work ..................17 5.2.3 Refrigerant charge .................17 5.2.4 Drain Piping....................18 5.2.4.1 Drain Discharging Boss .............18 5.3 Refrigerant circuit ....................19 5.3.1 General notes R32 refrigerant ...............19 5.3.2 Refrigerant piping ..................19 5.3.3 Refrigerant charge .................21 5.3.3.1 Refrigerant charge amount ............21 5.3.3.2 Refrigerant charge before shipment (W (kg)) ......21 PMEN0641 rev.0 - 05/2023... -
Page 21: General Notes Before Performing Piping Work
5.1 General notes before performing piping work • Prepare locally-supplied copper pipes. • Select the piping size with the correct thickness and correct material able to withstand sufficient pressure. • Select clean copper pipes. Make sure that there is no dust or moisture inside the pipes. Blow the inside of the pipes with oxygen free nitrogen to remove any dust and foreign materials before connecting them. -
Page 22: Piping Connection For Outdoor Unit
5.2 Piping connection for Outdoor Unit 1 Take the piping cover away from the unit. Then fetch the pipes through the rear side and route piping according to the installation place as shown in the figure. Make holes by cutting along the guideline at the rear of the cover or punching with a driver. - Page 23 Refrigerant pressure Spindle valve Tighten the spindle with a torque above: Counterclockwise…. Open Refrigerant piping Clockwise ...…. Close Closed before shipment Hexagonal wrench Check joint (field supplied) (*) (Only charging hose can be connected) Tighten the cap with 16 N·m torque Tighten the cap with 37 N·m torque (Attach this after work) Hexagonal wrench size used for spindle valve:...
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Page 24: Brazing Work
5.2.2 Brazing work CAUTION • Use nitrogen gas for blowing during pipe brazing. If oxygen, acetylene or fluorocarbon gas is used, it will cause an explosion or poisonous gas. • A lot of oxidation film will occur inside of tubes if no nitrogen gas blowing is performed during brazing work. -
Page 25: Drain Piping
5.2.4 Drain Piping 5.2.4.1 Drain Discharging Boss When the base of the outdoor unit is temporarily utilized as a drain receiver and the drain water in it is discharged, this drain boss is utilized to connect the drain piping. Model DBS-12L Connecting procedure 1 Insert the plastic cap into the drain boss up to the extruded portions. -
Page 26: Refrigerant Circuit
5.3 Refrigerant circuit 5.3.1 General notes R32 refrigerant This appliance is filled with R32, an odourless flammable refrigerant gas with low burning velocity (A2L class pursuant to ISO 817). If the refrigerant is leaked, there is a possibility of ignition if it enters in contact with an external ignition source. - Page 27 In case of increasing more than 30m (for 2.5HP and 3HP) a minimum floor area requirement must be considered. 1.5HP 2.5HP Factory Charge Charge-less piping length Additional Charge needed Maximum piping Maximum total refrigerant charge No requirement Minimum area Minimum room area requirement (Amin) is needed is required Minimum piping length between outdoor unit and indoor unit (Lmin)
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Page 28: Refrigerant Charge
The R32 refrigerant is factory charged in the outdoor unit with a refrigerant charge amount for 10m of piping length between outdoor and indoor unit. 5.3.3.2 Refrigerant charge before shipment (W (kg)) Outdoor unit model (kg) RAS-1.5WHVRP2E RAS-2WHVRP2E RAS-2.5WHVRP2E RAS-3WHVRP2E PMEN0641 rev.0 - 05/2023... -
Page 29: Electrical And Control Settings
Electrical and control settings 6.1 General check ....................23 6.2 Electrical connection ..................24 6.2.1 Wiring size .....................24 6.2.2 Minimum requirements of the protection devices ......24 6.3 Setting of DIP switches and RSW switches ............25 6.3.1 Location of DIP switches and rotary switches ........25 6.3.2 Function of DIP switches and rotary switches ........26 6.3.2.1 LED indication ................28 6.4 Terminal board connections ................29 6.4.1 Table board 1 ..................29 PMEN0641 rev.0 - 05/2023... -
Page 30: General Check
6.1 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 (if apply)). ✓... -
Page 31: Electrical Connection
6.2 Electrical connection CAUTION • 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. -
Page 32: Setting Of Dip Switches And Rsw Switches
Applicable voltage Power Model (nº of poles/A/ supply U max (V) U min (V) RAS‑1.5WHVRP2E 10.95 RAS‑2WHVRP2E 10.95 ~ 230V 2/40/30 50Hz RAS‑2.5WHVRP2E 14.6 RAS‑3WHVRP2E 14.6 MC: Maximum current; CB: Circuit breaker; ELB: Earth leakage breaker 6.3 Setting of DIP switches and RSW switches 6.3.1 Location of DIP switches and rotary switches The PCB in the outdoor unit is operating with DIP switches and push switches. -
Page 33: Function Of Dip Switches And Rotary Switches
6.3.2 Function of DIP switches and rotary switches NOTE • The mark “■” indicates the position of dips switches. • No mark “■” indicates pin position is not affecting. • The figures show the settings before shipment or after selection. DANGER Before setting dips switches, first turn the power source off and then set the position of the dips switches. - Page 34 ◆ DSW3: Capacity Setting (No setting is required) DSW3 RAS‑1.5WHVRP2E RAS‑2WHVRP2E RAS‑2.5WHVRP2E RAS‑3WHVRP2E Setting position ◆ DSW4 / RSW1: No setting is required (do not change) DSW4/RSW1 Factory setting Factory setting position ◆ DSW5: End terminal resistance (No setting is required) ...
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Page 35: Led Indication
◆ DSW302: Piping Length Setting (Setting is required) DSW302 Setting before shipment Pipe length (<5m) Pipe length (≥30m) 6.3.2.1 LED indication Name Colour Indication PCB1 LED1 Power LED353 For inspection PCB2 For inspection For inspection For inspection For inspection PMEN0641 rev.0 - 05/2023... -
Page 36: Terminal Board Connections
6.4 Terminal board connections 6.4.1 Table board 1 ◆ Main power supply The main power supply connection is wired to the Terminal board (TB1) as follows: Outdoor unit RAS‑WHVRP2E Operating Line (Twisted shielded pair cable or shielded pair cable) Earth DC5V (Non‑Pole Transmission, H‑LINK system) YUTAKI S / S Combi... -
Page 37: Maintenance
Maintenance 7.1 Removing the upper cover ................31 7.2 Removing the service cover ................32 PMEN0641 rev.0 - 05/2023... - Page 38 7.1 Removing the upper cover 1 Remove the 6 screws fixing the Upper cover Upper cover 2 Pull the Upper cover upwards and remove it. CAUTION Pay attention of no falling off the upper cover. PMEN0641 rev.0 - 05/2023...
- Page 39 7.2 Removing the service cover NOTE Service cover needs to be removed for most of operations inside the outdoor unit. 1 Remove the upper cover as explained in “7.1 Removing the upper cover”. 2 Remove the screw at the right cover and slide it slightly downwards and remove it pulling it backwards.
- Page 40 4 Remove the terminal board cover and take out the service cover pulling it backwards. CAUTION Pay attention of no falling off the service cover. PMEN0641 rev.0 - 05/2023...
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Page 41: Commissioning
Commissioning 8.1 Before operation ....................35 8.2 Preliminary check ....................35 8.2.1 Checking the unit ...................35 8.2.2 Electrical checking .................35 8.2.3 Checking the refrigerant circuit .............36 8.3 Commissioning procedure ................36 8.4 Test run / air purge ..................37 PMEN0641 rev.0 - 05/2023... - Page 42 8.1 Before operation CAUTION • Supply electrical power to the system for approximately 12 hours before start-up after a long shut-off. Do not start the system immediately after power supply, it may cause compressor failure because the compressor is not well-heated. •...
- Page 43 • Check to ensure that the switch on the main power source has been ON for more than 12 hours, in order to give the oil heater time to warm the compressor. • In three-phase unit check phase sequence connection on terminal board. •...
- Page 44 NOTE In case of Heater Forced OFF (by optional dip switch setting) these condition is not performed and heating is performed by Heat Pump. Hitachi is not responsible for its operation. CAUTION It is recommended start the unit (first power ON) with heater forced OFF and compressor forced OFF (See “6.3 Setting of DIP switches and RSW...
- Page 45 Johnson Controls-Hitachi Air Conditioning Spain, S.A.U. Ronda Shimizu, 1 - Políg. Ind. Can Torrella 08233 Vacarisses (Barcelona) Spain © Copyright 2023 Johnson Controls-Hitachi Air Conditioning Spain, S.A.U. – All rights reserved. PMEN0641 rev.0 - 05/2023 Printed in Spain...