Resol DeltaSol BX L Installation, Operation, Functions And Options, Troubleshooting
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Resol DeltaSol BX L Installation, Operation, Functions And Options, Troubleshooting

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DeltaSol
Manual for the
specialised craftsman
Installation
Operation
Functions and options
Troubleshooting
The Internet portal for easy and secure access
to your system data – www.vbus.net
Thank you for buying this RESOL product.
Please read this manual carefully to get the best performance from this unit.
Please keep this manual carefully.
BX L
®
from version 1.10
en
Manual
www.resol.com

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  • Page 1 Functions and options Troubleshooting The Internet portal for easy and secure access to your system data – www.vbus.net Thank you for buying this RESOL product. Manual Please read this manual carefully to get the best performance from this unit. www.resol.com...
  • Page 2 CE mark. The Declaration of Conformity is available • At the end of its working life, the product must not be disposed of as urban upon request, please contact RESOL. waste. Old appliances must be disposed of by an authorised body in an envi- Note: ronmentally sound manner.

  • Page 3: Table Of Contents

    BX L solar controller DeltaSol ® The system controller DeltaSol ® BX L has been especially developed as an eco- equipped with a thermal disinfection function, tube collector-, thermostat-, heat nomical solution for multi-store solar thermal systems. It features pre-programmed dump function and many more.

  • Page 4: Overview

    Standby: 0.58 W Temperature controls class: I Energy efficiency contribution: 1 % Mode of operation: type 1.B.C.Y action Rated impulse voltage: 2.5 kV Data interface: RESOL VBus ® , SD card slot VBus current supply: 35 mA ® Functions: ΔT control, pump speed control, heat quantity measurement, operat-...

  • Page 5: Installation

    Installation Mounting screw WARNING! Electric shock! Upon opening the housing, live parts are exposed! Î Always disconnect the device from power supply before opening the housing! cover Note: Strong electromagnetic fields can impair the function of the controller. Electrical connection Î Make sure the controller as well as the system are not exposed to strong electromagnetic fields.
  • Page 6 Do not use the device if it is visibly damaged! Electrical connection of a high-efficiency pump (HE pump) The controller is supplied with power via a mains cable. The power supply of the Speed control of a HE pump is possible via a PWM signal. The pump has to be con- device must be 100 …...

  • Page 7: Data Communication / Bus

    Note: For more details about the commissioning procedure see page 40. Data communication / Bus The controller is equipped with a RESOL VBus for data transfer and energy ® supply to external modules. The connection is to be carried out at the terminals marked VBus (either polarity).

  • Page 8: Overview Of Basic System Layouts

    Overview of basic system layouts 2-store system with valve logic, 1 2-store solar system with valve 2-store solar system with pump 2-store solar system with pump 3-store solar system with valve pump, 3 sensors and 3-port valve logic and heat exchange control logic (page 15) logic and heat exchange control logic and heat exchange control...

  • Page 9: Systems

    Systems System 1 Sensors Relay 2-store system with valve logic, 1 pump, 3 sensors and 3-port valve Temperature collector 1 / GND Solar pump R1 / N / PE Temperature store 2 / GND Free R2 / N / PE base Free R3 / N / PE Free 3 / GND Free...
  • Page 10 Adjustment channels Channel Sub channel 1 Sub channel 2 Factory setting Change to Description Page System ROSA 0000 ROSA number LOAD1 > Loading 1 DT1O Switch-on temperature difference 1 DT1F Switch-off temperature difference 1 DT1S 10 K Set temperature difference 1 RIS1 Rise 1 S1MAX...
  • Page 11 Adjustment channels Channel Sub channel 1 Sub channel 2 Factory setting Change to Description Page PRIO1 Priority logic store 1 OSTS Store set option TST1 45 °C Set store temperature store 1 TST2 45 °C Set store temperature store 2 2 min Loading break time tRUN...
  • Page 12 System 2 2-store solar system with valve logic and heat exchange control Designation Description Sensor/terminal TCOL Temperature collector TST1B Temperature store 1 base TST1T Temperature store 1 top TST2B Temperature store 2 base TST2T Temperature store 2 top optional: flowmeter Relay Description Solar pump Heat exchange pump...
  • Page 13 Adjustment channels Channel Sub channel 1 Sub channel 2 Factory setting Change to Description Page System ROSA 0000 ROSA number LOAD1 > Loading 1 DT1O Switch-on temperature difference 1 DT1F Switch-off temperature difference 1 DT1S 10 K Set temperature difference 1 RIS1 Rise 1 S1MAX...
  • Page 14 Adjustment channels Channel Sub channel 1 Sub channel 2 Factory setting Change to Description Page 2 min Loading break time tRUN 15 min Circulation runtime PSPEE Pause speed option PDELA Pump delay option COOL > Cooling functions OSYC* System cooling OSTC Store cooling OHDP*...
  • Page 15 System 3 2-store solar system with pump logic Designation Sensor/terminal Description TCOL Temperature collector TST1B Temperature store 1 base Optional sensor for measurement purposes or options TST2B Temperature store 2 base Optional sensor for measurement purposes or options Relay Description Solar pump store 1 Solar pump store 2 optional:...
  • Page 16 Adjustment channels Channel Sub channel 1 Sub channel 2 Factory setting Change to Description Page System ROSA 0000 ROSA number LOAD1 > Loading 1 DT1O Switch-on temperature difference 1 DT1F Switch-off temperature difference 1 DT1S 10 K Set temperature difference 1 RIS1 Rise 1 S1MAX...
  • Page 17 Adjustment channels Channel Sub channel 1 Sub channel 2 Factory setting Change to Description Page OSTS Store set option TST1 45 °C Set store temperature store 1 TST2 45 °C Set store temperature store 2 Spread function option DTSE 20 K Spread difference SLSTR Store spread function...
  • Page 18 System 4 2-store solar system with pump logic and heat exchange control Designation Description Sensor/terminal TCOL Temperature collector TST1B Temperature store 1 base TST1T Temperature store 1 top TST2B Temperature store 2 base TST2T Temperature store 2 top optional: flowmeter Relay Description Solar pump store 1 Solar pump store 2...
  • Page 19 Adjustment channels Channel Sub channel 1 Sub channel 2 Factory setting Change to Description Page System ROSA 0000 ROSA number LOAD1 > Loading 1 DT1O Switch-on temperature difference 1 DT1F Switch-off temperature difference 1 DT1S 10 K Set temperature difference 1 RIS1 Rise 1 S1MAX...
  • Page 20 Adjustment channels Channel Sub channel 1 Sub channel 2 Factory setting Change to Description Page DTSE 20 K Spread difference SLSTR Spread function option 2 min Loading break time tRUN 15 min Circulation runtime PSPEE Pause speed option COOL > Cooling functions OSYC* System cooling...
  • Page 21 System 5 3-store solar system with valve logic and priority logic Sensor/terminal Designation Description TCOL Temperature collector TST1B Temperature store 1 base Optional sensor for measurement purposes or options TST2B Temperature store 2 base TST3B Temperature store 3 base Optional sensor for measurement purposes or options Relay Description...
  • Page 22 Adjustment channels Channel Sub channel 1 Sub channel 2 Factory setting Change to Description Page System ROSA 0000 ROSA number VLOG Valve logic LOAD1 > Loading 1 DT1O Switch-on temperature difference 1 DT1F Switch-off temperature difference 1 DT1S 10 K Set temperature difference 1 RIS1 Rise 1...
  • Page 23 Adjustment channels Channel Sub channel 1 Sub channel 2 Factory setting Change to Description Page CFR F 5 °C Antifreeze temperature collector off FRPST Antifreeze store selection LLOGI > Loading logic LOGIC PRIO Priority logic PRIO1 Priority logic store 1 OSTS Store set option TST1 45 °C...
  • Page 24 System 6 3-store solar system with pump logic and priority logic Sensor/terminal Designation Description TCOL Temperature collector TST1B Temperature store 1 base Optional sensor for measurement purposes or options TST2B Temperature store 2 base TST3B Temperature store 3 base Optional sensor for measurement purposes or options Relay Description...
  • Page 25 Adjustment channels Channel Sub channel 1 Sub channel 2 Factory setting Change to Description Page System ROSA 0000 ROSA number LOAD1 > Loading 1 DT1O Switch-on temperature difference 1 DT1F Switch-off temperature difference 1 DT1S 10 K Set temperature difference 1 RIS1 Rise 1 S1MAX...
  • Page 26 Adjustment channels Channel Sub channel 1 Sub channel 2 Factory setting Change to Description Page LOGIC PRIO Priority logic PRIO1 Priority logic store 1 PRIO2 Priority logic store 2 OSTS Store set option TST1 45 °C Set store temperature store 1 TST2 45 °C Set store temperature store 2...
  • Page 27 System 7 Note Solar system with store loading in layers and 2nd store A solar system with store loading in layers is implemented as a 2-store sys- tem. (store base = store 1; store top = store 2; additional store = store 3) Sensor/ Designation Description terminal...
  • Page 28 Adjustment channels Channel Sub channel 1 Sub channel 2 Factory setting Change to Description Page System ROSA 0000 ROSA number VLOG Valve logic LOAD1 > Loading 1 DT1O Switch-on temperature difference 1 DT1F Switch-off temperature difference 1 DT1S 10 K Set temperature difference 1 RIS1 Rise 1...

  • Page 29: Loading Logic Priority Logic

    Adjustment channels Channel Sub channel 1 Sub channel 2 Factory setting Change to Description Page CFR F 5 °C Antifreeze temperature collector off FRPST Antifreeze store selection LLOGI > Loading logic LOGIC PRIO Priority logic PRIO1 Priority logic store 1 PRIO2 Priority logic store 2 OSTS Store set option...

  • Page 30: Heat Dump

    System 8 Solar system with east-/west collectors and 2 stores (valve logic) Sensor/ Designation Description terminal TCOL1 Temperature collector 1 TST1B Temperature store 1 base TCOL2 Temperature collector 2 TST2B Temperature store 2 base Optional sensor for measurement purposes or options Relay Description Solar pump collector 1 Solar pump collector 2 3-port valve store 1/2 optional: Thermal disinfection...
  • Page 31 Adjustment channels Channel Sub channel 1 Sub channel 2 Factory setting Change to Description Page System ROSA 0000 ROSA number LOAD1 > Loading 1 DT1O Switch-on temperature difference 1 DT1F Switch-off temperature difference 1 DT1S 10 K Set temperature difference 1 RIS1 Rise 1 S1MAX...

  • Page 32: Thermostat Function Option Speed Speed Variant Pump

    Adjustment channels Channel Sub channel 1 Sub channel 2 Factory setting Change to Description Page TCEN2 19:00 Tube collector ending time 2 TCRU2 30 s Tube collector runtime 2 TCIN2 30 min Tube collector standstill interval 2 LLOGI > Loading logic LOGIC PRIO Priority logic...
  • Page 33 System 9 3-store solar system with east-/west collectors Sensor/ Designation Description terminal TCOL Temperature collector 1 TST1B Temperature store 1 base TCOL2 Temperature collector 2 TST2B Temperature store 2 base TST3B Temperature store 3 base optional: flowmeter Relay Description Solar pump store 1 Solar pump store 2 Valve store 1/2, 3 Valve store 2/3...
  • Page 34 Adjustment channels Channel Sub channel 1 Sub channel 2 Factory setting Change to Description Page System ROSA 0000 ROSA number VLOG Valve logic LOAD1 > Loading 1 DT1O Switch-on temperature difference 1 DT1F Switch-off temperature difference 1 DT1S 10 K Set temperature difference 1 RIS1 Rise 1...
  • Page 35 Adjustment channels Channel Sub channel 1 Sub channel 2 Factory setting Change to Description Page OCMI2 Collector minimum limitation option 2 CMIN2 10 °C Minimum collector temperature 2 OTCO2 Tube collector function option 2 TCST2 07:00 Tube collector starting time 2 TCEN2 19:00 Tube collector ending time 2...

  • Page 36: Operation And Function

    Operation and function Menu structure Buttons Status level TCOL The controller is operated via the 7 buttons TST1B next to the display. They have the following functions: Menu level ❶ Button - scrolling upwards Adjustment level ❸ Button - scrolling downwards LOAD1 DT O LOAD2...

  • Page 37: Shortcut

    Menu level Tool bar If it is possible to jump into a sub-level, PUSH is indicated below the menu item. Use button ➄ to access the menu. In order to leave the menu, press button ➆. If an option is deactivated, it will appear in the menu level with the addition OFF. Shortcut The additional symbols in the tool bar indicate the current system state.
  • Page 38 System screen in the system monitoring display The system selected is indicated in the system monitoring display. It consists of several system component symbols which are – depending on the current status of the system – either flashing, permanently shown or “hidden”. Upper store Store 2 or backup heating Temperature sensors sensor Collector 2...

  • Page 39: Further Indications

    Further indications Display Description Fault indication TFHQM Temperature flow heat quantity measurement If the controller detects a malfunction, the directional pad flashes red and the sym- bols of the warning triangle and the wrench are additionally displayed. TRHQM Temperature return heat quantity measurement n1 % Speed relay 1 Smiley n2 % Speed relay 2 If the controller operates faultlessly (normal operation), a smiley is displayed. n3 % Speed relay 3 h R1...

  • Page 40: Initial Commissioning

    If the desired system layout has been selected in the ARR channel, the ROSA channel can be skipped. confirming a value System: Î Adjust the desired system. to the next parameter ROSA: Î Enter the 4-digit number given by the RESOL Online Service Assistant.
  • Page 41 Valve logic: Note Î Adjust the valve variant of the 3-port valves The valve variant can only be adjusted in systems with two 3-port valves (ARR 5,7,9). Maximum store temperature: Î Adjust the maximum store temperature In 3-store systems, the adjustment has to be car- ried out for S2MAX and S3MAX as well.

  • Page 42: Functions And Options

    Functions and options Display of temperatures at S3, S4 and S5 Status level Note The values and adjustment channels shown depend on the selected system, the functions and options and will only be displayed in the installer level. S3, S4, S5 Display of collector temperatures Sensor temperatures Display...
  • Page 43 Display of flow rate Operating hours counter h R (1, 2, 3, 4) Operating hours counter Flow rate The operating hours counter accumulates the solar operating hours of the relay Display range: 0 … 9999 l/h (h R1 / h R2 / h R3 / h R4). Full hours are displayed. Indicates the flow rate in the solar system during heat quantity measurement.
  • Page 44 Î Confirm the security enquiry by selecting “Yes” Display of heating period Î Confirm the reset with the set button in order to finish the reset. In order to interrupt the RESET process, no button should be pressed for about 5 s. The display returns to the display mode. Display of monitoring period TDIS Heating period Display range: 0:00 … 23:59 (hh:mm) If the thermal disinfection option (OTDIS) is activated and the heating period is CDIS in progress, the remaining time of the heating period is displayed (in hours and...

  • Page 45: Adjustment Channels

    Display thermostat function active Adjustment channels Note If the controller is commissioned for the first time, the commissioning menu will start. Selecting a new system subsequently will reset all other adjustments to the factory settings. Selecting the system THERM Thermostat function active Display of blocking protection time System Adjustment range: 1 … 9 Factory setting: 1 BLPR1(2, 3, 4) Selection of the appropriate system.
  • Page 46 LOAD(1, 2, 3) / DT1(2, 3) F LOAD(1, 2, 3) / RIS(1, 2, 3) Switch-off temperature diff. Rise Adjustment range: 0.5 … 49.5 K Adjustment range: 1 … 20 K in steps of 0.5 K in steps of 1 K Factory setting: 4,0 K Factory setting: 2 K When the switch-on temperature difference is reached, the pump is activated at...
  • Page 47 Sensor maximum store temperature Pump control PUMP / PUMP1 (2, 3,) LOAD(1, 2) / SMXS1 (2) Pump control Sensor store maximum temp. Selection: OnOF, Puls, ADAP, PSOL Adjustment range: 1st store: S2, S3; 2nd store: S4, S5 Factory setting: system-dependent (PUMP3: OnOF) Store being loaded in layers: S2, S3 With this parameter, the pump control type can be adjusted.
  • Page 48 Minimum speed Note When loads which are not speed-controlled (e. g. valves) are used, the value of the corresponding relay (n1, n2, n3) must be set to 100% or the pump control type must be set to OnOF in order to deactivate pump speed control.
  • Page 49 When the store temperature exceeds the adjusted maximum store temperature, Tube collector function the solar system is switched off. If the collector temperature increases to the adjusted maximum collector temperature, the solar pump is activated until the collector temperature falls below the maximum collector temperature. The store temperature may then exceed the maximum temperature, but only up to 95°C (emergency shutdown of the store).
  • Page 50 If the runtime TCRU is set to more than 10 s, the pump will be run at 100 % for The antifreeze function activates the loading circuit between the collector and the store when the collector temperature falls below the adjusted temperature the first 10 s of the runtime. For the remaining runtime, the pump will be run at the adjusted minimum speed nLO.
  • Page 51 Priority logic can be used in 2-store systems, 3-store systems or systems with This option is only available if each store has its own pump (ARR = 3, 4, 6). store loading in layers and determines how the heat is divided between the stores. Different types of priority logic are adjustable: 1.
  • Page 52 Store set option Spreaded loading option (only in ARR 3, 4, 6 with differing priority) LLOGI / OSTS LLOGI / TST1 LLOGI / PRIO / OSE Store set option Set temperature store 1 Spreaded loading option Selection: ON / OFF Adjustment range: 4 …...
  • Page 53 Note Cooling functions If the store set option is actived along with the spreaded loading function, Different cooling functions can be activated: system cooling, store cooling and heat the spreaded loading function will only be active until the set tempera- dump.
  • Page 54 If the store temperature is higher than the adjusted maximum store tempera- Heat dump ture and the switch-on temperature difference DTCO is reached, the solar sys- tem remains activated or is switched on. Solar loading is continued until either the temperature difference falls below the adjusted value DTCF or the collector emergency shutdown temperature CEM is reached.
  • Page 55 Heat exchange function Maximum temperature limitation for the heat exchange DT4 / MAX4F DT4 / DT4O DT4 / DT4F DT4 / MAX4O Switch-off temperature Switch-on temperature diff. Switch-off temperature diff. Switch-on temperature Adjustment range: 1.0 … 30.0 K Adjustment range: 0.5 … 95.0 °C Adjustment range: 0.0 …...
  • Page 56 ΔT function Minimum limitation for the ΔT function DT4 / TH10 DT4 / TH1F ODTFT Switch-on temperature Switch-off temperature ΔT function Adjustment range: 0.0 … 95.0 °C Adjustment range: 0.0 … 95.0 °C Selection: ON / OFF Factory setting: 65.0 °C Factory setting: 60.0 °C Factory setting: OFF If the adjusted value TH1O is exceeded, the relay will be switched on.
  • Page 57 Freely adjustable thermostat function Backup heating Use of surplus energy OTH / t1O OTH / t1F Switch-on time 1 Switch-off time 1 Adjustment range: 00:00 … 23:45 Adjustment range: 00:00 … 23:45 Factory setting: 06:00 Factory setting: 22:00 The thermostat function works independently from the solar operation and can be In order to block the thermostat function for a certain period, there are three used for using surplus energy or for backup heating.
  • Page 58 Manual mode MAN / MAN1 (2, 3): OTH / STH MAN / MAN4 Adjustment range: Auto,ON, OFF, nLO, nHI Thermostatic backup heating sensor Adjustment range: Auto, ON, OFF Factory setting: Auto Factory setting: Auto Selection: S3, S5 Factory setting: S3 / S5 For control and service work, the operating mode of the controller can be manu- Depending on the system selected, the sensor for the thermostatic backup heating ally adjusted.
  • Page 59 Option: Thermal disinfection (OTDIS) If the thermal disinfection function is activated, the monitoring period starts as soon as the temperature at the reference sensor falls below the disinfection tem- perature. When the monitoring period ends, the reference relay activates the backup heating. The disinfection period starts to count as soon as the temperature at the allocated sensor exceeds the disinfection temperature.
  • Page 60 If the monitoring period ends, for example, at 12:00 o'clock, and the starting time Parallel relay has been set to 18:00, the reference relay will be energised with a delay of 6 hours at 18:00 instead of 12:00 o'clock. If, before the delay time has elapsed, the disinfection conditions are fulfilled by solar loading, thermal disinfection is considered complete and a new monitoring period begins.
  • Page 61 OHQM / FIMP OHQM / MEDT OHQM / MED% OHQM / FMAX Pulse rate Heat transfer fluid Antifreeze concentration in vol. % Flow rate in l/min Adjustment range: 0.5 … 99.0 Adjustment range: 0 … 3 (MED% is “hidden” when MEDT 0 or Adjustment range: 0.5 … 100.0 Factory setting: 3 is used) Factory...
  • Page 62 Return sensor Adjustment range: 0000 ... 9999 Adjustment range: 1, 3, 5 Adjustment range: 2, 3, 5 In the ROSA channel, the 4-digit number given by the RESOL Online Service As- Factory setting: 1 Factory setting: 2 sistant can be entered.
  • Page 63 Valve logic Language Valve logic Ventillogik Durchflussrichtung im stromlosen Zustand tillogik LANG Flow direction when the Durchflussrichtung Language VLOG valve is normally open im stromlosen Zustand Adjustment range: dE, En, ES, Fr Valve logic Factory setting: En Adjustment range: 1, 2, 3, 4 In this adjustment channel, the menu language can be chosen.
  • Page 64 Formatting the SD card Î Select the menu item FORM Î During the formatting process, --FORM will be displayed. The content of the card will be deleted and the card will be formatted with the FAT 16 file system. OSDC / LOGI OSDC / LLOG Messages possible Description Logging interval...

  • Page 65: Overview Of Options And Their Para Meters

    Overview of options and their para meters In the following, the additional options and para meters are listed. The options and parameters displayed depend on the system as well as on the op- tions and functions which have been selected. Some of the options and para meters will only be displayed, if they are available with the individual adjustments.
  • Page 66 Channels Channel Sub channel 1 Sub channel 2 Factory setting Change to Description Page PUMP2 PSOL Speed variant pump 2 n2LO 20 % Minimum speed n2HI 100 % Maximum speed PUMP3 OnOF Speed variant pump 3 n3LO 30 % Minimum speed n3HI 100% Maximum speed...

  • Page 67: User Code And Short Menu - Adjustment Values

    User code and short menu - Adjustment values Messages In the case of an error, the directional pad flashes red and a message is indicated Code in the status display. A warning triangle is additionally indicated. If more than one The access to some adjustment values can be restricted via a user code (cus- error or fault condition has occurred, only the one with the highest priority will be tomer).

  • Page 68: Troubleshooting

    1136 100 212 1385 The fuse can then be replaced. 1155 105 221 1404 1175 110 230 1423 1194 115 239 1442 Resistance values of Pt1000 sensors Note: For answers to frequently asked questions (FAQ) see www.resol.com.
  • Page 69 Pump is overheated, but no heat transfer from the collector to the store, flow Pump starts up very late. and return have the same temperature; perhaps also bubbling in the lines. Air or gas bubbles in the system? Switch-on temperature difference Vent the system; increase the ΔTon too large? system pressure to a static primary pressure of at least plus 0.5 bar;...
  • Page 70 The solar circuit pump does not work, although the collector is considerably Insulation close enough to the store? warmer than the store. Replace insulation or increase it. Display illuminated? button ➄ If not, press Are the store connections insulated? Display illuminated again? There is no current;...

  • Page 71: Accessories

    RESOL SP10. V40 flowmeter The RESOL V40 is a measuring instrument for detecting the flow of water or water / glycol mixtures. After a specific volume has passed, the V40 reed switch sends an impulse to the calorimeter. The heat quantity used is calculated by the calorimeter using these impulses and the measured temperature difference with the help of pre-defined parameters (glycol type, concentration, heat capacity, etc.).

  • Page 72: Visualisation Modules

    AM1 Alarm module Smart Display SD3 / Large Display GA3 The AM1 Alarm module is designed to signal system failures. It is to be connected The RESOL Smart Display is designed for simple connection to RESOL controllers to the VBus ®...

  • Page 73: Index

    Index Symbole ΔT control .......................... 45 Minimum collector limitation ..................49 Minimum speed ......................... 48 Antifreeze function ......................50 Minimum temperature limitation .................. 55 Monitoring period, display channel................44 Blocking protection time, display channel ..............45 Mounting ..........................5 Collector cooling ......................48 Operating hours counter ....................
  • Page 76 - they only represent use outside the copyright requires the approval of RESOL – Elektronische Rege- some examples. They can only be used at your own risk. No liability is assumed for lungen GmbH.

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