Rotex HPSU 6-8X Installation And Maintenance Instructions Manual

Heat pumps-solar-system with hybridcube hot water storage tank
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ROTEX HeatPumpSolarUnit
Heat Pumps-Solar-System with HybridCube
Hot Water Storage Tank
Installation and maintenance
instructions
Nominal output
modulating in kW
Type
Cooling
ROTEX HPSU 6-8X
7.2 - 8.4
ROTEX HPSU 6-8H
ROTEX HPSU 11-16X
3.8 - 13.1
ROTEX HPSU 11-16H
Serial number
Customer
GB
Edition 05/2009
Heating
5 - 8.4
5 - 8.4
10.3 - 16
10.3 - 16
Part 2 of 2

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  • Page 1 Hot Water Storage Tank Installation and maintenance instructions Nominal output modulating in kW Type Edition 05/2009 Cooling Heating ROTEX HPSU 6-8X 7.2 - 8.4 5 - 8.4 — ROTEX HPSU 6-8H 5 - 8.4 ROTEX HPSU 11-16X 3.8 - 13.1 10.3 - 16 ROTEX HPSU 11-16H —...
  • Page 2 Starting up ROTEX Solaris system (accessories) ........
  • Page 3 Index ................. . 140 FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 4: Start-Up

    Configuration is carried out by setting the DIP switches in the Indoor and Outdoor Module and setting parameters on the control system of the Indoor Module (RKHB). Setting up optional components such as a room thermostat or the ROTEX Solaris system is carried out on the particular component.
  • Page 5 Position Switch RRHQ 11-16 kW Fig.5-4 Factory setting DS1 Indoor Module (RKHB) User interface control system SS2 DIP switch Fig.5-5 Position of switch and user interface Indoor Module (RKHB) Fig.5-6 Factory setting SS2 FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 6: Checks Before Start-Up

    • Check all points on the "Checklist before start-up" (see chapter 5.2). Log the test results on the checklist. Only if all points on the checklist can be answered with Yes may the ROTEX HeatPumpSolarUnit be temporarily started up. 5.1.4 Starting up ROTEX Solaris system (accessories) When a ROTEX Solaris system is installed;...
  • Page 7: Configure Wireless Room Thermostat (Accessory)

    – Parameter [9-01] must be set to 15 °C. • Parameter [C-00]: Priority Solar Support (only when ROTEX Solaris system is installed) – If a ROTEX Solaris system is installed the value may be set to [0]. Set pump speed of circulation pump •...
  • Page 8: Checks After Start-Up

    • Check all points on the "Checklist after start-up" (see chapter 5.2). Log the test results on the checklist. Only if all points on the check list can be answered with Yes may the ROTEX HeatPumpSolarUnit system be handed over to the operator.
  • Page 9 The function room cooling is available only for systems of type "HPSU..X". Only if all points on the check list can be answered with Yes may the ROTEX HeatPumpSolarUnit be handed over to the operator. Location and Date: Signature of installer:...
  • Page 10: Operation

    The key is inactive when a room thermostat Display "Function not available" Display Test run active or wireless thermostat is connected. Display Parameter code Display Fault code Key operating mode "Room heating", 1)2) "Room cooling" FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 11 1 - Key "On / Off" Switching the ROTEX HeatPumpSolarUnit on and off When the heating system is switched on, the operating display LED lights up green. If the ROTEX HeatPumpSolarUnit is operated using an external room thermostat, this key is deactivated and the icon displayed.
  • Page 12 This key activates or deactivated the water heating. In this operating mode, the Booster Heater (EHS) is also hooked up or switched off in the HybridCube. Pressing the key does not have any effect on the water heating. The water heating can only be switched on or off using the key FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 13 The indicator on the pressure gauge must be in the specified range of 1 to 2 bar. If it falls below the specified pressure, the water pressure must be increased by topping up the system. The function room cooling is available only for systems of type "HPSU..X". FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 14: System Pcb Outdoor Module

    If the user enter a value manually, this setting remains active until the user changes it or until the program clock forces another setting. The control of the ROTEX HeatPumpSolarUnit is prepared for use on different types of systems. When selecting certain functions, you may see the message .
  • Page 15: Switching The System On And Off

    When you press the key again, the system is shut down and the Operation LED goes out. If a room thermostat or wireless room thermostat is connected to the ROTEX HeatPumpSolarUnit, the icon is shown and the key is not ready for operation.
  • Page 16: Carry Out Test Run

    Setting the switching times for the flow temperature control is described in the Chapter 6.3 "Program clock and Switching time program". The target temperature for room heating can only be set manually. FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 17 Setting the switching times for the water heating is described in Chapter 6.3. If the target temperature for the water heating is not reached by the heat pump, the control system switches the Booster Heater (EHS) on as well. FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 18: Program Clock And Switching Time Program

    Operation If the symbol is flashing, the hot water for the HybridCube is not produced by the ROTEX HeatPumpSolarUnit but by the optionally connected ROTEX Solaris system. See installation instructions for the ROTEX Solaris SOL-PAC. To make hot water available all day, it is recommended that you leave the operating mode water heating switched on all day.
  • Page 19: Reading And Programming Switching Times For Room Cooling / Room Heating

    When programming, base your values on the standard values in the parameters and the programmed switching times of the other operating modes to avoid unfavourable operating conditions. The function room cooling is available only for systems of type "HPSU..X". FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 20 • By pressing the key several times, you can return to the previous programming steps. Normal operation is then active again if the key has been pressed often enough (until before step 1). FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 21: Copying Switching Times For Room Cooling / Room Heating

     This means that the switching times of the previous day have now been copied. 6. By pressing the key, you return to step 1. Fig.6-5 Read and copy switching times The function room cooling is available only for systems of type "HPSU..X". FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 22: Read And Program Switching Times For Low-Noise Operation / Water Heating / Booster Heater (Ehs)

     The switching time set is displayed, saved and all switching times below that are also saved. All switching times above the current switching time are deleted.  It automatically returns to step 4. FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 23: Delete Switching Time

    – After the 3 switching time, the key is used to confirm completion of programming. – The 4 switching time and 5 switching time (if available) are deleted. Fig.6-7 Delete individual switching times FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 24  All switching times saved for this weekday are deleted. 6. It automatically returns to step 4. Fig.6-8 Delete switching times of one weekday The function room cooling is available only for systems of type "HPSU..X". FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 25: Individual

    All parameters are described in detail in this chapter. An overview of all parameters, their factory settings and setting range are listed in a table at the end of this chapter. We recommend noting any changes made to the parameters in this table. FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 26: Setting Parameters

    Three stages of Access authorisation are defined (Default settings see Tab. 6-1). Setting the Access authorisation must be carried out as follows: • Check whether the ROTEX HeatPumpSolarUnit runs in normal operation, if necessary activate normal operation. • Change to the mode "Parameter setting" and there, select the parameter [0-00] (see Chapter 6.4.1).
  • Page 27 – With warmer outside temperatures (Hi_A) the value Hi_Ti must be lower that the value Lo_Ti, as less hot water is required. Target water temperature Ambient temperature (outside air)  Adjustment value Fig.6-11 View of the control system with active "Weather-dependent target value regulation" FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 28 [2] - Legionella protection If no hot water is used for several days and the storage temperature of the ROTEX HeatPumpSolarUnit does not reach at least 60 °C, for hygiene reasons (Legionella protection) it is periodically heated up to above 60 °C once.
  • Page 29 If the priority of the parameter [4-01] is set to 1, the heating output for the room heating of the ROTEX Heat- PumpSolarUnit can be reduced at low outside temperatures because the Backup Heater (BH) is not available for room heating when hot water needs to be heated (the room heating is provided by the heat pump).
  • Page 30 EHS OFF When the integrated temperature control in the Booster Heater (EHS) switches the Booster Heater (EHS) off, con- trol by the ROTEX HeatPumpSolarUnit only works if this temperature control system has switched the Booster Heater (EHS) on again. The following setting options are available: –...
  • Page 31 The parameter settings "Configuration of water heating" determine the minimum and maximum heating times for hot water and the minimum time between two heating cycles. – If a room thermostat is connected to the ROTEX HeatPumpSolarUnit and is configured, the maximum runtime [8-01] can only be taken into consideration when required in the operating mode Room cooling or room heating.
  • Page 32 – [9-02] Upper limit of the cooling target value: Maximum water output temperature during room cooling – [9-03] Lower limit of the cooling target value: Minimum water output temperature during room cooling The function room cooling is available only for systems of type "HPSU..X". FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 33 [C] - Priority Solar Support The default setting is that heating the water with the ROTEX HeatPumpSolarUnit is given priority over solar heating. This is done so that if the circulation in the solar cycle is very weak, there is no lack of hot water or in the event that the sun only started to shine just before the expected phase of hot water consumption (e.g.
  • Page 34: Parameter Table Factory Settings

    00 Minimum runtime heat pump 0 - 20 Min. 01 Maximum runtime heat pump 5 - 95 Min. 02 Restart time heat pump 0 - 10 03 Delay time Booster Heater (EHS): 20 - 95 Min. FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 35: Accessories

    6.5.3 ROTEX Solaris System By connecting the ROTEX Solaris system to the ROTEX HeatPumpSolarUnit, you can stop the water being heated by the heat pump or by the Booster Heater (EHS). This then allows 100% solar use during water heating.
  • Page 36: Service And Maintenance

    – from 3 kg total quantity of refrigerant upwards: Stationary equipment qualification Category 1 Tests carried out during the annual service: – General condition of the ROTEX HeatPumpSolarUnit and its components, visual inspection of connections and pipes. – Visual inspection of mechanical, hydraulic and electrical components for wear and for loose parts.
  • Page 37: Service And Maintenance Tasks

    • Work on the ROTEX HeatPumpSolarUnit (such as maintenance or servicing) is only to be carried out by persons who are authorised and who have successfully completed qualifying technical or vocational training and who have taken part in advanced training sessions recognised by the appropriate responsible authorities.
  • Page 38: Outdoor Module (Rrhq)

    • Visual inspection of covers, cladding and fastening elements for wear and for loose parts in the Outdoor Module (RRHQ).  Replace defective parts. • Leakage checks on lines and components of the refrigerant system.  Repair damaged parts or replace them. ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 39: Indoor Module (Rkhb)

    • For test purposes, operate system in all operating modes (see Chapter 6 "Operation").  Functional control by checking the temperature display and the switching states of the individual operating modes (see Chapter 6 "Operation"). FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 40: Hybridcube Hot Water Storage Tank And Booster Heater (Ehs)

     Functional control by checking the temperature display and the switching states of the individual operating modes (see Chapter 6 "Operation"). Confirmation of servicing • Fill in confirmation of servicing in the operator manual for the ROTEX HeatPumpSolarUnit supplied. ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 41: Faults And Malfunctions

    Faults and malfunctions Troubleshooting x Faults and malfunctions The control system integrated into the Indoor Module (RKHB) recognises a faults created by the ROTEX HeatPumpSolarUnit and displays a fault code on the display of the user interface. WARNING! A ROTEX HeatPumpSolarUnit maintained incorrectly may not operate properly and is dangerous for the health and safety of individuals.
  • Page 42: Malfunctions

    • Check if the pump speed is set to the highest level. • Check that the resistance in the water circuit is not too high for the pump (see Chapter 5.1.5 "Starting up a ROTEX HeatPump- SolarUnit"). Heating does not warm up enough Target value range is too low.
  • Page 43 >0.3 bar. • Check that the pump speed is set to the highest level. • Check that the resistance in the water circuit is not too high for the pump (see Chapter 5.1.5 "Starting up a ROTEX HeatPump- SolarUnit"). Room cooling...
  • Page 44 Selected function is blocked for the user by the param- • Changing the access authorisation in parameter [0-00] eter "Access authorisation". The function room cooling is available only for systems of type "HPSU..X". Tab. 8-2 Possible faults on the ROTEX HeatPumpSolarUnit FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 45: Fault Codes

    (RRHQ) erant and if necessary check low pressure sensor (short circuit). Overload protection refrigerant compres- Overload protection refrigerant compressor triggered. System must run within its operating param- eters (see Chapter 10 "Technical data"). FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 46 Temperature sensor suction pipe Malfunction message. Contact ROTEX service engineer. Aircoil temperature sensor Aircoil temperature sensor Temperature sensor of liquid line in the Outdoor Module (RRHQ) is defective. Contact ROTEX serv- Temperature sensor liquid line ice engineer. Electrical components Electrical components...
  • Page 47: Forced Operation

    – above the target heating value in parameter [9-00] and the operating mode room heating is to be tested. The ROTEX HeatPumpSolarUnit gives the service engineer the option of being able to start these functions on the Outdoor Module (RRHQ).
  • Page 48: Forced Cooling Operation

    • Set DIP switch (DS1) 2 to "OFF". • Set DIP switch (DS1) 1 to "OFF".  Forced heating operation finishes. The function room cooling is available only for systems of type "HPSU..X". FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 49: Taking Out Of Service

    If it is not possible to guarantee the power supply when there is danger of frost, – the water must be completely drained from the ROTEX HeatPumpSolarUnit and the HybridCube hot water storage tank or – suitable frost protection measures must be applied to the system and hot water storage tank connected (e.g. draining).
  • Page 50: Final Shutdown

    – the system or parts of the system are being dismantled and reassembled in another location. The ROTEX HeatPumpSolarUnit is designed to be environmentally friendly and easy to install: the jobs described above can therefore be carried out in an efficient and environmentally-friendly manner.
  • Page 51: Technical Data

    Technical data FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 52 Technical data FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 53 Technical data FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 54: Indoor Module (Rkhb)

    / 16.8 — 28.7 / 35.8 =35 °C, DT=5 °C) 17.4 37.6 Insulation Polyurethane foam Polyurethane foam Volume Expansion tank Maximum water pressure Primary pressure Perforation diameter Water filter Material Brass Brass FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 55 To the Outdoor Module Booster Heater Mains connection (EHS) Connections Integrated Backup Heater (BH) see section Backup Heater (BH) Optional room thermostat Optional ROTEX Solaris system Safety devices Fuses, contactors, STL for Backup Heater (BH) FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 56: Basic Data

    In connection with Outdoor Module RRHQ011 ..V/W Measured with dry thermometer In connection with Outdoor Module RRHQ014 ..V/W WB Measured with wet bulb thermometer In connection with Outdoor Module RRHQ016 ..V/W FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 57: Noise Pressure Level

    Noise pressure level in dB(A) with a reference distance (m) from the noise source (open air conditions) 10 m Tab. 10-3 Conversion table noise pressure level Actual value determined FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 58: Hybridcube Hot Water Storage Tank

    Can be used with Indoor Module RKHBH016, RKHBX016 Order number 14 05 01 14 05 02 Tab. 10-4 Basic data for the HybridCube hot water storage tank Inclusive switching unit from E-PAC installed FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 59: Performance Data Heat Pump System

    / 13.12 =35 °C and T =7 °C) Tab. 10-5 Performance data ROTEX HeatPumpSolarUnit (measured in accordance with Eurovent 6/C/003-2006) Only applicable for systems with the Indoor Module RKHBX008 installed External temperature Only applicable for systems with the Indoor Module RKHBX016...
  • Page 60: Diagrams

    Area A Operation only with Booster Heater (EHS) Area B Operation with Booster Heater (EHS) and Backup Heater (BH) Area C Operation only with Backup Heater (BH) Fig.10-3 Operating mode water heating FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 61: Characteristic Curves For Operating Modes In 1-Phase 11-16 Kw Systems

    Hot water temperature Area without hatching Operation only with heat pump Area A °C Operation only with Booster Heater (EHS) Area C Operation only with Backup Heater (BH) Fig.10-6 Operating mode water heating FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 62: Characteristic Curves For Operating Modes In 3-Phase 11-16 Kw Systems

    Operation only with Booster Heater (EHS) Area C Operation only with Backup Heater (BH) Area D Operation possible, however no performance guarantee, below -25 °C the system automatically switches off Fig.10-9 Operating mode water heating FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 63: Characteristic Curves For Pumps

    If condensation is to be expected, the drip tray that can be obtained as an option (see chapter 2.3.8) must be installed in the Indoor Module (RKHB). Fig.10-12 Temperature ranges condensation water formation FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 64: Piping Diagrams

    Technical data 10.3 Piping diagrams Fig.10-13 Piping diagram Outdoor Module (RRHQ) 6-8 kW Fig.10-14 Piping diagram Outdoor Module (RRHQ) 11-16 kW FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 65 Technical data Fig.10-15 Piping diagram Indoor Module (RKHB) Fig.10-16 Standard connection HPSU to HybridCube 544/19/0 with Solaris support (shown on HPSU..H with only room heating function) FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 66: Circuit Diagrams

    Fig.10-17 Standard connection HPSU to HybridCube 544/19/0 with Solaris support (shown on HPSU..X with room heating and cooling function) 10.4 Circuit diagrams 10.4.1 Booster Heater (EHS) Fig.10-18 Electric circuit diagram Booster Heater (EHS) FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 67: Outdoor Module (Rrhq) 6-8 Kw

    Technical data 10.4.2 Outdoor Module (RRHQ) 6-8 kW Fig.10-19 Electric circuit diagram Outdoor Module (RRHQ) 6-8 kW FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 68: Outdoor Module (Rrhq) 11-16 Kw

    Technical data 10.4.3 Outdoor Module (RRHQ) 11-16 kW Fig.10-20 Electric circuit diagram Outdoor Module (RRHQ) 11-16 kW (1-phase) FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 69 Technical data Fig.10-21 Electric circuit diagram Outdoor Module (RRHQ) 11-16 kW (3-phase) FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 70: Indoor Module (Rkhb) 6-8 Kw

    Technical data 10.4.4 Indoor Module (RKHB) 6-8 kW Fig.10-22 Electric circuit diagram Indoor Module (RKHB) 6-8 kW with Backup Heater (BH) 3V3 FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 71 Technical data Fig.10-23 Electric circuit diagram Indoor Module (RKHB) 6-8 kW with Backup Heater (BH) 6V3 FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 72 Technical data Fig.10-24 Electric circuit diagram Indoor Module (RKHB) 6-8 kW with Backup Heater (BH) 6WN / 9WN FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 73: Indoor Module (Rkhb) 11-16 Kw

    Technical data 10.4.5 Indoor Module (RKHB) 11-16 kW Fig.10-25 Electric circuit diagram Indoor Module (RKHB) 11-16 kW with Backup Heater (BH) 3V3 FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 74 Technical data Fig.10-26 Electric circuit diagram Indoor Module (RKHB) 11-16 kW with Backup Heater (BH) 6V3 FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 75 Technical data Fig.10-27 Electric circuit diagram Indoor Module (RKHB) 11-16 kW with Backup Heater (BH) 6WN / 9WN FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 76: Connection Diagram For Indoor, Outdoor Module, E-Pac And Optional Components

    Technical data 10.5 Connection diagram for Indoor, Outdoor Module, E-PAC and optional components 230V 230V 230V signal RRHQ..V: 230V RRHQ..W: 400V Fig.10-28 Overall connection diagram FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 77: Symbols, Key Names, Cable Colours And Supplementary Information On Connection And Circuit Diagrams

    Magnet relay for crank housing heating (E1HC) Contactor for heat pump K10R...K11R Magnet relay (only Model V3) Contactor for all-pole deactivation of safety heater L1R...L4R Inductor Contactor (ROTEX Solaris connection set) Motor refrigerant compressor Heat pump FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 78 Insulated bipolar transistor (on model V3) X1M...X3M Terminal block Plug connection Electric expansion valve 4-W solenoid valve Solenoid valve (on model W1) Z1C-Z9C Noise filter Z1F-Z4F Noise filter Tab. 10-7 Key names for connection and circuit diagrams FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 79: Index

    Installation position ....... . 14 ROTEX Solaris System ......56 Basic data .
  • Page 80 Performance diagrams ....... . 122 ROTEX HP-Solar-Unit ....... 67 Characteristic curves for operating modes in 11-16 kW ROTEX Solaris System .
  • Page 81 Notes FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 82 Notes FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 83 Notes FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...
  • Page 84 Notes FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009...

This manual is also suitable for:

Hpsu 11-16xHpsu 6-8hHpsu 11-16h

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