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Hitachi YUTAKI S Series Installation And Operation Manual
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Hitachi YUTAKI S Series Installation And Operation Manual

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INSTALLATION
AND OPERATION
MANUAL
–
YUTAKI S SERIES
INDOOR UNITS
MODELS
SPLIT SYSTEM
RWM-(1.5-3.0)R2E
PMEN0643 rev.0 - 04/2023

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Summary of Contents for Hitachi YUTAKI S Series

  • Page 1 – INSTALLATION AND OPERATION MANUAL – YUTAKI S SERIES INDOOR UNITS MODELS SPLIT SYSTEM RWM-(1.5-3.0)R2E PMEN0643 rev.0 - 04/2023...
  • Page 3 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 4 Originální verze tohoto dokumentu je v angličtině; ostatní jazykové varianty jsou z angličtiny přeložené. Pokud mezi anglickou a jakoukoli jinou jazykovou verzí dojde k rozporu, bude převažovat anglická verze. Az eredeti változat az angol; az egyéb nyelvű változatok angolról lettek fordítva. Amennyiben az angol és a fordított verziók között bármilyen eltérés mutatkozik, az angol nyelvű...

  • Page 5: Table Of Contents

    Contents General information .....................1 Name of parts and dimensional data ..............7 Electrical data .......................9 Working range ....................12 Refrigerant and water piping ................16 Electrical and control settings ................30 Maintenance.......................51 Commissioning ....................57 ERP Data ......................63 PMEN0643 rev.0 - 04/2023...
  • Page 6 General Index 1. General information ....................1 1.1 General information ..................2 1.1.1 General notes ..................2 1.2 Applied symbols....................3 1.3 Additional information about safety ..............4 1.4 Important notice ....................5 1.5 Product guide ....................6 1.5.1 Classification of the units ................6 1.5.1.1 Split system - Indoor unit - YUTAKI S ...........6 1.5.2 Product list ....................6 1.5.2.1 Split system - Indoor unit - YUTAKI S ...........6 2. ...
  • Page 7 4.3 R32 Hydraulic working range ................15 4.3.1 Hydraulic data ..................15 4.3.2 Pump performance curves ..............15 5. Refrigerant and water piping ..................16 5.1 General notes before performing piping work ..........17 5.2 R32 Refrigerant circuit ..................17 5.2.1 General notes R32 refrigerant ...............17 5.2.2 Refrigerant piping ..................18 5.2.3 Refrigerant charge .................20 5.2.3.1 Refrigerant charge amount ............20 5.2.3.2 Refrigerant charge before shipment (W (kg)) ......20...
  • Page 8 6.2.2 Minimum requirements of the protection devices ......33 6.3 Setting of DIP switches and RSW switches ............34 6.3.1 Location of DIP switches and rotary switches ........34 6.3.1.1 Function of DIP switches and rotary switches ......34 6.3.1.2 LED indication ................38 6.4 Terminal board connections ................39 6.4.1 Table board 1 ..................39 6.4.2 Table board 2 ..................40 6.4.2.1 ...
  • Page 9 8.2.4 Checking the refrigerant circuit .............60 8.3 Commissioning procedure ................60 8.4 Test run / air purge ..................61 9. ERP Data ........................63 9.1 AVERAGE climate .....................64 9.2 WARMER climate .....................65 9.3 COLDER climate ....................65 9.4 Additional data ....................66 9.5 General ERP data for hot water storage tanks ..........66 PMEN0643 rev.0 - 04/2023...

  • Page 10: General Information

    General information 1.1 General information ..................2 1.1.1 General notes ..................2 1.2 Applied symbols....................3 1.3 Additional information about safety ..............4 1.4 Important notice ....................5 1.5 Product guide ....................6 1.5.1 Classification of the units ................6 1.5.1.1 Split system - Indoor unit - YUTAKI S ...........6 1.5.2 Product list ....................6 1.5.2.1 Split system - Indoor unit - YUTAKI S ...........6 PMEN0643 rev.0 - 04/2023...

  • Page 11: General Information

    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 12: Applied Symbols

    Applied symbols During normal heat pump system design work or unit installation, greater attention must be paid in certain situations requiring particular care in order to avoid damage the unit, the installation or the building or property. Situations endangering the safety of those in the surrounding area or to the unit itself are clearly indicated in this manual.

  • Page 13: Additional Information About Safety

    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 14: 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 15: Product Guide

    Product guide 1.5.1 Classification of the units 1.5.1.1 Split system - Indoor unit - YUTAKI S Unit type: YUTAKI S (Split system - Single water module (Indoor unit) - Medium/Low temperature) Position-separating hyphen (fixed) Compressor power of the combined outdoor unit (HP): 1.5, 2.0, 2.5, 3.0 R: R32 refrigerant 2: series Made in Europe...

  • Page 16: Name Of Parts And Dimensional Data

    Name of parts and dimensional data 2.1 YUTAKI S - RWM-(1.5-3.0)R2E ................8 PMEN0643 rev.0 - 04/2023...

  • Page 17: Yutaki S - Rwm-(1.5-3.0)R2E

    YUTAKI S - RWM-(1.5-3.0)R2E Front view Side view Plate heat exchanger Water pump Electric water heater NOTE Expansion vessel 6L Water strainer Water flow direction Air purger Water pressure sensor Safety valve Drain pipe for safety valve Expansion valve Manometer Refrigerant strainer (x2) Unit controller Electrical box...

  • Page 18: Electrical Data

    Electrical data 3.1 Considerations ....................10 3.2 Split system - Indoor unit - YUTAKI S ..............11 PMEN0643 rev.0 - 04/2023...

  • Page 19: 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 20: Split System - Indoor Unit - Yutaki S

    Split system - Indoor unit - YUTAKI S Applicable voltage Model Power supply Operation mode (kW) U max U min (kW) Without electric heater 0.53 0.06 0.63 0.06 With electric heater 13.65 3.06 13.67 3.06 ~ 230V 50Hz With DHW tank heater 12.56 2.81 12.59 2.81...

  • Page 21: Working Range

    Working range 4.1 Power supply working range ................13 4.2 R32 Temperature working range ..............13 4.2.1 Space heating ..................13 4.2.2 DHW .......................14 4.2.3 Swimming pool heating .................14 4.2.4 Space cooling (Necessary cooling kit) ...........14 4.3 R32 Hydraulic working range ................15 4.3.1 Hydraulic data ..................15 4.3.2 Pump performance curves ..............15 PMEN0643 rev.0 - 04/2023...

  • Page 22: Power Supply Working Range

    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 23: Dhw

    4.2.2 DHW Continuous working range Tank heater only Ambient temperature (°C) NOTE In case of heating up the DHW tank with an outdoor ambient temperature lower than -5 °C and without using the DHW electrical heater, the setting temperature will change automatically in order to not exceed the maximum value in the specified continuous working range.

  • Page 24: R32 Hydraulic Working Range

    R32 Hydraulic working range 4.3.1 Hydraulic data MODEL 1.5 HP 2.0HP 2.5HP 3.0HP Minimum water flow rate (*1) Maximum water flow rate (*1) Minimum installation water volume (*2) Minimum allowable water pressure Maximum allowable water pressure (*1): Values calculated based on the following conditions: Water inlet/outlet temperature: 30/35°C, Outdoor ambient temperature: (DB/WB): 7/6°C.

  • Page 25: Refrigerant And Water Piping

    Refrigerant and water piping 5.1 General notes before performing piping work ..........17 5.2 R32 Refrigerant circuit ..................17 5.2.1 General notes R32 refrigerant ...............17 5.2.2 Refrigerant piping ..................18 5.2.3 Refrigerant charge .................20 5.2.3.1 Refrigerant charge amount ............20 5.2.3.2 Refrigerant charge before shipment (W (kg)) ......20 5.3 Water piping ....................20 5.3.1 Water piping length ................20 5.3.2 Water piping size ...................20 5.3.3 Water quality for primary (space heating / cooling) and secondary...

  • Page 26: General Notes Before Performing Piping Work

    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 27: Refrigerant Piping

    5.2.2 Refrigerant piping    Refrigerant piping length between indoor unit and outdoor unit ◆ The unit installation and refrigerant piping should comply with the relevant local and national regulations for the designed refrigerant. Due to R32 refrigerant and depending on final refrigerant charge amount, a minimum floor area for installation must be considered.
  • Page 28 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 is Minimum room area requirement (Amin) is needed required...

  • Page 29: Refrigerant Charge

    Pipe adapter Model Gas pipe Liquid pipe 1.5HP 2.5HP Ø12.7→Ø15.88 (x2) Ø6.35→Ø9.52 (x2) 3.0HP Ø12.7→Ø15.88 (x2) Ø6.35→Ø9.52 (x2) 5.2.3 Refrigerant charge 5.2.3.1 Refrigerant charge amount The R32 refrigerant is factory charged in the outdoor unit with a refrigerant charge amount for 10 m of piping length between outdoor and indoor unit. 5.2.3.2 Refrigerant charge before shipment (W (kg)) Outdoor unit model...

  • Page 30: Water Quality For Primary (Space Heating / Cooling) And Secondary

    Using filling water that does not meet the stated quality requirements can cause a considerably reduce in service life. The responsibility will be out of Hitachi warranties. The following water quality minimum requirement:...

  • Page 31: Water Filling

    As DHW Tank water is being used for storing drinking water, this water has to be in accordance with national regulations and Hitachi’s quality minimum requirements. The use of softeners, active anodes or others protective systems will not bring a derogation from Hitachi’s provided warranty. 5.3.3.1 Water filling ◆...
  • Page 32 6 Remove as much air from inside the water circuit as possible through the indoor air purger and other air vents in the installation (fan coils, radiators...). 7 Start the air purge procedure test. There are two modes (Manual or Automatic) which helps in case of installations with heating and DHW operation: a.
  • Page 33 ◆    Domestic hot water tank If a domestic hot water tank has been installed, perform the following operations: Heating coil circuit Fill the DHW tank heating coil from the space heating circuit filling in point. Follow the instructions explained in the “5.3.3.1 Water filling”...

  • Page 34: Requirements And Recommendations For The Hydraulic Circuit

    5.3.4 Requirements and recommendations for the hydraulic circuit • The maximum piping length depends on the maximum pressure availability in the water outlet pipe. Please check the pump curves. • The indoor unit is equipped with an air purger (factory supplied) at the highest location of the Indoor Unit.

  • Page 35: Water Flow Control

    • The internal air pressure of the expansion vessel tank will be adapted to the water volume of the final installation (factory supplied with 0.1 MPa of internal air pressure). • Do not add any type of glycol to the water circuit. •...
  • Page 36 The following hydraulic elements are necessary to correctly perform the space heating water circuit: • Two shut-off valves (factory supplied accessory) (3) must be installed in the indoor unit. One at the water inlet connection (1) and the other at the water outlet connection (2) in order to make easier any maintenance work.
  • Page 37 YUTAKI S is not factory-supplied ready for DHW operation, but it can be used for the production of DHW if the following elements are installed: • A domestic hot water tank (DHWT-(200/300)S-3.0H2E accessory) (8) has to be installed in combination with the indoor unit. •...

  • Page 38: Additional Hydraulic Optional Elements (For Dhw)

    • 1 Recirculation water pump (field supplied): this water pump (3) will help to correctly recirculate the hot water to the DHW 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 39: Electrical And Control Settings

    Electrical and control settings 6.1 General check ....................31 6.2 Electrical connection ..................32 6.2.1 Wiring size .....................32 6.2.2 Minimum requirements of the protection devices ......33 6.3 Setting of DIP switches and RSW switches ............34 6.3.1 Location of DIP switches and rotary switches ........34 6.3.1.1 Function of DIP switches and rotary switches ......34 6.3.1.2 LED indication ................38 6.4 Terminal board connections ................39 6.4.1 Table board 1 ..................39 6.4.2 Table board 2 ..................40 6.4.2.1  I ndoor/outdoor communication wiring (TB2) / ATW-RTU Communication / Central Devices Communication ....40 6.4.2.2 Summary of terminal board connections ........41 6.4.2.3 Input terminals (Default input functions) ........43 PMEN0643 rev.0 - 04/2023...

  • Page 40: General Check

    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 41: Electrical Connection

    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 42: Minimum Requirements Of The Protection Devices

    6.2.2 Minimum requirements of the protection devices CAUTION • Ensure specifically that there is an Earth Leakage Breaker (ELB) installed for the units (outdoor and indoor unit). • If the installation is already equipped with an Earth Leakage Breaker (ELB), ensure that its rated current is large enough to hold the current of the units (outdoor and indoor unit).

  • Page 43: Setting Of Dip Switches And Rsw Switches

    Setting of DIP switches and RSW switches 6.3.1 Location of DIP switches and rotary switches 6.3.1.1 Function of DIP switches and rotary switches NOTE • The mark “” indicates the dip switches positions. • No mark “” indicates pin position is not affected. •...
  • Page 44 ◆    DSW1: Additional setting 0 Factory setting. No setting is required. DSW1 YUTAKI S (*) NOTE (*): In case of installing the “Cooling kit” accessory, set the pin 4 of DSW1 to ON in order to enable the cooling operation. ◆...
  • Page 45 DSW4 Unit and installation pipes antifreeze protection Standard / ECO water pump operation Electric heater or boiler emergency mode DHW tank’s heater operation DHW 3‑way valve forced ON CAUTION • Never turn all DSW4 dip switch pins ON. If this happens, the software of the unit will be removed. •...
  • Page 46 ◆    DSW6 (only if available): Not used DSW6 Factory setting (Do not change) ◆    DSW7: Additional setting 4 DSW7 Factory setting Compatibility with ATW‑RTU‑04 (When cooling mode operation is needed)    DSW15 & RSW2: Refrigerant cycle address ◆ DSW15 &...

  • Page 47: Led Indication

    ◆    SSW1: Remote/Local SSW1 Remote Factory setting Remote operation Local Remote Local operation Local ◆    SSW2: Heat/Cool (when SSW1 is in local setting) SSW2 Heat Factory setting Heat operation Cool Heat Cooling operation (when cooling kit installed) Cool 6.3.1.2 LED indication Name Colour...

  • Page 48: Terminal Board Connections

    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 Earth...

  • Page 49: Indoor/Outdoor Communication Wiring (Tb2) / Atw-Rtu Communication / Central Devices Communication

    6.4.2 Table board 2 6.4.2.1  Indoor/outdoor communication wiring (TB2) / ATW-RTU Communication / Central Devices Communication • The transmission is wired to terminals 1‑2. • The H‑LINK II wiring system requires only two transmission cables that connect the indoor unit and the outdoor unit in case of split system and also connect the indoor unit with ATW‑RTU or Central devices like ATW‑TAG‑02, ATW‑KNX‑02 and ATW‑MBS‑02.

  • Page 50: Summary Of Terminal Board Connections

    6.4.2.2 Summary of terminal board connections Mark Part name Description TERMINAL BOARD 1 (TB1) ~ 230V 50Hz 3N~ 400V 50Hz Main power supply connection ‑ TERMINAL BOARD 2 (TB2) The H‑LINK transmission has to be done between the indoor unit and the H‑LINK commutation terminals 1‑2 of either outdoor unit, ATW‑RTU or any other central device.
  • Page 51 Mark Part name Description Input 4 (Solar) (*) Available input for Solar combination with Domestic Hot Water Tank. For the connection of an external tariff switch device to switch OFF the heat Input 5 (Smart function) (*) pump during peak electricity demand period. Depending on the setting, the heat pump or DHWT will be blocked when signal is open/closed.

  • Page 52: Input Terminals (Default Input Functions)

    6.4.2.3 Input terminals (Default input functions)    Room thermostat communication cables ◆ There are two different room thermostat types as accessory Optional wireless intelligent room thermostat (TB2) ATW-RTU Only for wireless room thermostat accessory: the receiver is connected to the polarity‑free terminals 1 and 2.
  • Page 53 ◆    DHWT Thermistor (T DHWT For those cases in which a tank is installed as accessory, a thermistor must be installed to control the water temperature. The connection for this thermistor must be done between terminals 5 and 6 of the TB2. DHWT DHWT   ...
  • Page 54 ◆    Optional wireless ON/OFF room thermostat ATW-RTU-04 The heat pump system has been designed to allow the connection of a remote ON/OFF thermostat to effectively control the home temperature. Depending on the room temperature, the thermostat will turn the system to ON or OFF. a.
  • Page 55 ◆    ECO (Default for input 2) When enabled at Unit controller, both for circuit 1 and circuit 2, also for heating and cooling, this input switches the indoor unit into an ECO mode by adjusting its settings only when input is closed. The input can come from a push button, a thermostat or any other external device with that purpose.
  • Page 56 ◆    Smart tariff (Default for input 5) This function can be used to block or limit the heat pump. It allows an external Smart switch device to switch off or limit the heat pump during a period of peak electricity demand. Terminals 16 and 19 of the TB2.
  • Page 57 ◆    Aquastat for circuit 1 Aquastat is a security accessory to control in order to prevent high water temperature entering into floor system (Circuit 1). This devices must be connected to terminals 22 & 23 for circuit 1. When this devices is activated because of the high temperature of the water, it stops the water pump in order to stop the flow of water to the heating floor.
  • Page 58 Electrical Heater ≤ 3kW DHWT (EH CAUTION When using a DHW tank other than those from Hitachi, the maximum connectable heater load is 3 kW (connected to TB2 terminals 30‑31).    3 Way valve for DHW tank output ◆ YUTAKI units can be used to heat DHW. The signal is used on a 3‑way motorized diverting valve and...
  • Page 59 ◆    Water pump 3 (Default for Output 2) When the boiler is configured with the heat pump or needs an additional pump for the system, a hydraulic separator or buffer tank must be used to ensure a correct hydraulic balance Water pump III (Output 2)   ...

  • Page 60: Maintenance

    Maintenance 7.1 Removing the covers ..................52 7.1.0.1 Removing the indoor unit service cover ........52 7.1.0.2 Removing indoor unit electrical box ........53 7.1.0.3 Space heating pipes connection ..........54 7.1.0.4 Drain pipes connection ............54 7.1.0.5 Cover assembly ................55 7.1.1 Test and check ..................56 PMEN0643 rev.0 - 04/2023...

  • Page 61: Removing The Covers

    Removing the covers If it is necessary to access to the indoor unit components, please follow these operations. 7.1.0.1 Removing the indoor unit service cover NOTE The indoor unit service cover needs to be removed for any task inside the indoor unit. 1 Remove the screws which fix the service cover.

  • Page 62: Removing Indoor Unit Electrical Box

    7.1.0.2 Removing indoor unit electrical box DANGER • 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”...

  • Page 63: Space Heating Pipes Connection

    7.1.0.3 Space heating pipes connection The unit is factory supplied with two shut-off valves which have to be connected to the water inlet / outlet connections. With these shut-off valves it is very practical to connect the indoor unit to the heating system by using the factory supplied gaskets just below the valves.

  • Page 64: Cover Assembly

    7.1.0.5 Cover assembly 1 Place the indoor unit service cover at the same level of the wall mounted unit by taking it from the bottom side (one person can perform this operation, during this operation it is possible to rest the cover on the electrical box). 2 Place the holes on the right side of the indoor unit cover over the back plate hooks (x2 locations).

  • Page 65: Test And Check

    4 Fix the indoor unit service cover using the screw which had been previously removed during the unpacking procedure. (x2) Both sides 7.1.1 Test and check Finally, test and check the following items: • Water leakage • Refrigerant leakage • Electrical connection •...

  • Page 66: Commissioning

    Commissioning 8.1 Before operation ....................58 8.2 Preliminary check ....................58 8.2.1 Checking the unit ...................58 8.2.2 Electrical checking .................58 8.2.3  H ydraulic circuit checking (space heating and DHW) ......59 8.2.4 Checking the refrigerant circuit .............60 8.3 Commissioning procedure ................60 8.4 Test run / air purge ..................61 PMEN0643 rev.0 - 04/2023...

  • Page 67: Before Operation

    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 68: Hydraulic Circuit Checking (Space Heating And Dhw)

    • 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 69: Checking The Refrigerant Circuit

    • As a result, Heating up to 15°C when outdoor temperature is lower than 10°C is performed by the Electrical Heater. 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. PMEN0643 rev.0 - 04/2023...

  • Page 70: Test Run / Air Purge

    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 switches”). In order to circulate water by water pump and remove possible air into the heater (Check heater completely filled). Test run / air purge Test run is a working mode used when commissioning the installation.
  • Page 71 Example for PC-ARFH2E In case of test run, user can also select the mode of the test (cooling or heating). When user confirms the test run or the air purge, the YUTAKI user controller sends the order to the indoor. During the execution of this test, the following screen is shown: •...

  • Page 72: Erp Data

    ERP Data 9.1 AVERAGE climate .....................64 9.2 WARMER climate .....................65 9.3 COLDER climate ....................65 9.4 Additional data ....................66 9.5 G eneral ERP data for hot water storage tanks ..........66 PMEN0643 rev.0 - 04/2023...

  • Page 73: Average Climate

    AVERAGE climate 1.5 HP 2.0 HP 2.5 HP 3.0 HP Outdoor unit RAS-1.5WHVRP2E RAS-2WHVRP2E RAS-2.5WHVRP2E RAS-3WHVRP2E Indoor unit RWM-1.5R2E RWM-2.0R2E RWM-2.5R2E RWM-3.0R2E Water outlet temperature 35°C 55°C 35°C 55°C 35°C 55°C 35°C 55°C Air to water heat pump Heat pump combination heater Low temperature heat pump Complementary heater Design capacity (P...

  • Page 74: Warmer Climate

    WARMER climate 1.5 HP 2.0 HP 2.5 HP 3.0 HP Outdoor unit RAS-1.5WHVRP2E RAS-2WHVRP2E RAS-2.5WHVRP2E RAS-3WHVRP2E Indoor unit RWM-1.5R2E RWM-2.0R2E RWM-2.5R2E RWM-3.0R2E Design capacity (P DESIGN Nominal energy efficiency (η 185 (194) 182 (189) 170 (175) Energy efficiency with OTC control (η ) (*) 187 (196) 184 (191)

  • Page 75: Additional Data

    Additional data 1.5 HP 2.0 HP 2.5 HP 3.0 HP Outdoor unit RAS-1.5WHVRP2E RAS-2WHVRP2E RAS-2.5WHVRP2E RAS-3WHVRP2E Indoor unit RWM-1.5R2E RWM-2.0R2E RWM-2.5R2E RWM-3.0R2E Electrical power input in stand-by mode (Psb) 11.9 11.9 11.9 Electrical power input in thermostat-OFF mode (Pto) Electrical power input in OFF mode (Poff) 11.9 11.9 11.9...
  • Page 77 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. PMEN0643 rev.0 - 04/2023 Printed in Spain...

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