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Installation and Operating Manual Merlin 5064 V3 System Manager Please observe the safety instructions and read through this manual carefully before commissioning the equipment.
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Safety Please read and keep in a safe place Please read through these instructions We the manufacturer declare the product Merlin 5064 V3 carefully before installing or operating. Following the is in conformity with the fundamental requirements of the installation, pass the instructions on to the operator.
Contents General information T-DHW (hot water temperature) [F11/F5] Contents T-Flow (Flow temperature) [F11/F5] Need-Opti-Time (last required heating-up time) 10 General information Solar/MF (Solar + Multifunction) Safety information T-MF(1-4) [F11-F14] Power connection regulations T-Solar (1,2) (collector temperature) ...
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Contents General information STL-test Dyn Downward Service (dynamic heat generator deactivation [K]) By date Reset Time (reset time for I-Control) After operating hours Modulation Max Delete the displayed maintenance message Modulation Min ...
Contents General information Rflow cool diff Solar installations - examples Max T-Bu HW, BU, 3 Accessories Sol Kick Period [sec] The operating module Merlin BM, BM 8 and Sol Kick Pause [min] Lago FB ...
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Normal Mode Part 1: Operation Part 1: Operation For initial start-up or the "level Installation," Part 1: Operation please read the installation section. Normal Mode Control elements in normal mode Rotary knob: Use the rotary knob to select a value from the favourite level for display in line 2 Home button: Switch between operation of the controller and normal mode (standard display)
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Normal Mode Part 1: Operation Selecting an operating mode Effect of the operating mode The operating mode set here affects the boiler regulation The selected mode is indicated in the display. It will and the integrated heating circuits of the controller. come into effect when the setting is confirmed and not Each heating circuit can be assigned a separate changed for 5s.
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Operating mode Part 1: Operation Operating mode When applying voltage, the level installation is displayed once only. Once the values grouped here have been set the controller is operable. Control elements in operating mode When the level appears later on, e.g. after a power outage, the function can just be ended.
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Display Range Part 2: Overview of display values and settings Part 2: Overview of display values and settings Part 2: Overview of display values / settings Installation T-Outside [F9] Display Range The measured outside temperature is smoothed for control purposes. The smoothed value is displayed here. Display only =>...
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Display Range Part 2: Overview of display values and settings Heatcircuit 1 / 2 Heatcircuit 1 / 2 T-Room Current room temperature and T-Room (room temperature) [F2/F15] current room set temperature as per Only if a sensor or a FBR is connected. heating program and operating mode T-Pool (pool temperature) [F2/F15]...
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User Area Part 2: Overview of display values and settings User Area All the settings that can be made by the operator of the Installation system. English => Language Select controller language Installation LCD Contrast Designation Value range Standard IV*) Adjust intensity of display Language Acc.
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User Area Part 2: Overview of display values and settings If the operating mode Cooling is activated at the central Heatcircuit 1/2 control, this temperature is used as the set room Designation Value range Standard IV temperature for this heating circuit. Cooling operation is activated when the temperature is exceeded.
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User Area Part 2: Overview of display values and settings Heat up opti (heatup optimisation) The heat slope can best be set at outside temperatures below 5°C. The change in heat slope Activation of function for automatically bringing forward setting must be made in small steps and at long the start of heating.
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Timer Program Area Part 2: Overview of display values and settings Timer Program Area Press the F button "Time Program" to search for the desired time program => e.g. "Heatcircuit 2 Prog2" All the time programs can be set in this area. Use the F button [here button 3] to select time program Adjusting a time program =>...
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Time Program for Solar Part 2: Overview of display values and settings Time Program for Solar Parameters on the Time-Date level Time Kick function enabling (Not for Time Master or DCF in the system) Factory setting: There may be a time difference of up to 2 minutes Mo.
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Service area Part 2: Overview of display values and settings Service area Relay status and test This area contains values for the customer service Relay Test engineers in order to provide rapid access. Use the shaft encoder to select the relay (01-11) Use the F button to select a level (e.g.
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Service area Part 2: Overview of display values and settings Software number XXX.XX Display software number with index (please specify if you experience problems / have questions about the controller) Cascade manual operation (only with code number) Other entries (Service area) (only for cascades in "Service"...
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Expert area Part 2: Overview of display values and settings eBUS Supply (supply for eBUS) Expert area Switching the eBUS supply on / off in relation to It is only possible to change the fitter set values after connected devices (power supply balance). entering the code number.
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Expert area Part 2: Overview of display values and settings 02 = Combination storage tank for heating and HW HS2 Type (second heat generator type => A7) operation (For HS1 with 2-stage burner – not active) HS1 is activated with reference to sensor "buffer middle" 00 = No secondary heat generator (F2) 01 = Single stage HS switching...
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Expert area Part 2: Overview of display values and settings Set values for heat generators Max T-HS1 (Max. temperature Boiler) Protects the HS from overheating / prevents triggering the LIMITER. Heat generator Caution: Also works with hot water preparation. Designation Value range Standard...
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Expert area Part 2: Overview of display values and settings Time Seq-Mod (time to sequence change) HS emergency cooling For operation with at least 2 heat generators there is the For active HS emergency cooling, the collector pump (MF option to swap the boiler sequence after the operating 01) and feeder pump (MF 03) are also activated.
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Expert area Part 2: Overview of display values and settings Switching pattern for 2-stage burners This switching patterns is also effective for operating two switching heat generators via the 57°C burner relays A6 and A7. 55°C 50°C Switch on the 1st Burner stage when temperature drops below set temperature of the heat generator.
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Expert area Part 2: Overview of display values and settings => Switch on all heating units and confirm by pressing the Set values for cascade control key “OK”. (only for cascades) 5. It follows an entry point into the function “BUS Scan”. Cascade Detected HSS (number of heat generators) Designation...
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Expert area Part 2: Overview of display values and settings Switch Value (-99 – +99) Min Mod HS Connection of the next heat generator will only occur, if Internal control value => only for switching cascade! the resulting modulation degree for the different heat If this value reaches "0", the next heat generator is also generators then exceeds the value set here.
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Expert area Part 2: Overview of display values and settings Set values for modulation control Min Mod HS (only for one-stage modulating boilers) If the controller calculates an overall modulation rate greater than zero and less than "min Mod HS," the overall Modulation modulation rate is set to the value "min Mod HS."...
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Expert area Part 2: Overview of display values and settings Set value for cooling mode Set values for cooling mode (only when HS type = cooling is selected) If a refrigerating machine is present, cooling mode can be T-Return cooling activated using the operating mode selector switch.
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Expert area Part 2: Overview of display values and settings Screed program Start day is not included: The screed program starts with the "Day 1" temperature setting and switches to "Day 1" at Screed 00.00 hrs and then to the next day at 00:00 hrs and Designation Value range Standard...
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Expert area Part 2: Overview of display values and settings Hysteresis DHW (hot water hysteresis) Hot-Water Hot water preparation is started when the temperature of Designation Value range Standard the hot water storage tank drops below the temperature DHW Relief Off/On setting by the hysteresis [Hysteresis DHW].
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Expert area Part 2: Overview of display values and settings The parameters in this level change in accordance with HW => Hot water circuit the heating circuit function that has been selected This function can be used to operate additional hot water [HC FUNCTION] circuits.
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Expert area Part 2: Overview of display values and settings Mixer Open (open mixer dynamic) B-Heat Sink (circuit enable) Speed setting at which the mixer opens when a control On => The heating circuit can be used by higher-order difference occurs. The control difference at which the functions (e.g.
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Expert area Part 2: Overview of display values and settings Auxiliary relay functions MF (1-4) Func (function selection relay MF) 00 = No MF function The multifunction relays = MF relay is assigned one basic function respectively 01 = Collector pump ON: When heat is requested by a consumer MF-1: Mixing Valve HC1 OPEN (MF 1 Func = 00) OFF: Without consumer heat request...
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Expert area Part 2: Overview of display values and settings 20 = Temperature-controlled circulation pump T-SOLAR = Temperature of the solar panel T-CIRCL = Return flow temperature of circulation line T-B = Temperature of active storage tank at inlet area T-CIRCL <...
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Expert area Part 2: Overview of display values and settings T-SOLAR [T-MF4] = Temperature of the solar collector T-SOLAR [T-MF4] = Temperature of the solar collector T-SOLAR [T-MF 1-3] = Temperature of the heat T-SOLAR [T-MF 1-3] = Temperature of the heat exchanger exchanger T-DHW B [F12]= Temperature of hot water storage tank...
Expert area Part 2: Overview of display values and settings Solar parameters Max T-Bu HW, BU, 3 If a top of tank sensor is installed, it is used to monitor the maximum temperature at this sensor. If this sensor is not Max T-Solar installed, the maximum storage tank temperature is The collector pumps are disabled when the associated...
Expert area Part 3: General function description Flow or storage tank sensor frost protection Part 3: General function description Part 3: General function description The sensor frost protection is activated when the flow or Heating circuit control storage tank temperature drops below 7°C. Only the relevant pump is switched on.
Expert area Part 3: General function description If the room temperature factor is "0", the pump Cooling mode - refrigerating machines continues to run during the reduced operation If a refrigerating machine is present, cooling mode can be period after a one-off heating demand. activated using the operating mode selector switch.
Installation Part 4: Installation and Start-up Part 4: Installation and Start-up Installing the controller: Part 4: Installation and Start-up Wall mounting Installation Bore hole according to the bore plan and insert dowels. Assembly / Dismantling Screw the screw into the bore hole "upper middle" up to a distance of 8 mm from the wall.
Installation Part 4: Installation and Start-up Connecting instructions The controller is designed for an operating voltage of 230V AC at 50 Hz. The burner contact is potential- free and must always be connected in series with the mechanical boiler thermostat (if present). Attention: Bus lines and sensor lines are to be installed separately from supply lines! After connecting or modifying the connections of...
Installation Part 4: Installation and Start-up Connection diagram ~230V; Relay switching capacity 2(2)A, ~250V Triac switching capacity 1(1)A, ~250V Establish bridge from terminal 22 to 38 Establish bridge to the collective terminal block. Connect the collective terminal block with the same potential Senso Function 1...
Choice of installation Part 4: Installation and Start-up Installation 02 = Merlin 4834 => Alternatively: Isolating circuit for hot water preparation cascade controller for switching boiler Terminal assignment Mains [Ax] + N + Sensor [Fx] + GND N-conductor, mains 1 [F9] Outdoor sensor Power supply, unit 2 [F8]...
Choice of installation Part 4: Installation and Start-up Installation 04 = Merlin 0634 => Standard controller with 2-stage HS For this installation it is necessary to program the solar function separately after selecting "04"! MF 4 Func = 23 (Solar) ...
Choice of installation Part 4: Installation and Start-up Installation 06 = Merlin 6644 => Pellet and buffer controller For this installation it is necessary to program the solar function separately after selecting "06"! The return flow temperature increase of the pellet boiler can be implemented using a Lago Basic unit or a heating circuit function.
Choice of installation Part 4: Installation and Start-up Installation 06 = Merlin 6644 => Pellet and buffer controller with combination storage => with parameter settings! For this installation it is necessary to change the following parameters after selecting "06"! DHW-Load Through must not be activated! ...
Choice of installation Part 4: Installation and Start-up Installation 09 = Cooling function in heating circuit return For this installation it is necessary to program the solar function separately after selecting "09"! MF 4 Func = 23 (Solar) Max T-Bu DHW = 60°C (maximum storage tank temperature for solar charging) ...
Choice of installation Part 4: Installation and Start-up Installation 10 = Central cooling function and solar integration Terminal assignment Mains [Ax] + N + Sensor [Fx] + GND N-conductor, mains 1 [F9] Outdoor sensor Power supply, unit 2 [F8] HS1 sensor 24 [A1] Pump Heatcircuit 1 3 [F6]...
Solar installations - examples Part 4: Installation and Start-up Solar installations - examples Code => Designation (sensor top, middle, bottom) DHW => Hot-water tank (F6, F12) The MF relays 1-4 can be used to compile a wide variety BU => Buffer storage for heating operation (F3, F2, F1) of solar installations from individual functions.
Accessories Part 4: Installation and Start-up Accessories The operating module Merlin BM, BM 8 and Lago FB (Only for controller models with CAN-Bus connection) Electrical connection: Connector [16+17+18+19] The controller permits connection, via a bus line, of an operating module Merlin BM, BM8 and Lago FB for each heating circuit.
Sensors Part 4: Installation and Start-up If the time has not been corrected after max. 10min, Sensors select a different place of installation for the DCF (e.g. another wall - not in proximity to TV devices, monitors or Sensor values / characteristic curve dimmers).
Sensors Part 4: Installation and Start-up Outdoor sensor AF (AFS) S Order no. AF, 5kΩ: 99 679 030 Order no. AFS, 1kΩ: 99 679 001 Scope of supply: Outside sensor, screw and dowel Position of installation: Wherever possible, on a northerly or north-easterly wall behind a heated room ...
Commissioning Part 4: Installation and Start-up Commissioning Basic settings English Process Select the language 1. Please read this guide carefully before commissioning Time 2. Mount the controller, connect it to the electrical Enter the current time. system and switch on the power supply. Year/Month/Day 3.
Commissioning Part 4: Installation and Start-up 02 = Combination storage tank for heating and HW HS2 Type (second heat generator type => A7) operation (For HS1 with 2-stage burner – not active) HS1 is activated with reference to sensor "buffer middle" 00 = No secondary heat generator (F2) 01 = Single stage HS switching...
Commissioning Part 4: Installation and Start-up This function can be used to operate additional hot water circuits. The heating circuit flow sensor is located in the hot water storage tank. The hot water temperature set value can be entered in the user area of the associated heating circuit level [T- DHW 1/2/3].
Commissioning Part 4: Installation and Start-up 02 = Circulation (time) Designation Value range Standard Switching the relay according to the time program for the MF (1-4) Func 00 – 34 00,00,01,02 circulation pump T-MF(1-4) Setpoint 30°C – 90°C 30°C 03 = Booster pump MF(1-4) Hyst 2K –...
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Commissioning Part 4: Installation and Start-up Safety / system protection: 21 = Pulsed circulation pump OFF: T-T > T-MF SETPOINT With short circuit at assigned sensor input T-T < [T-MF SETPOINT – 5K] OFF: After 5 minutes If a short-cut occurs at the multifunction sensor input the Switching-off occurs when the temperature of the active circulation pump is switched on for 5 minutes.
Commissioning Part 4: Installation and Start-up T-Storage 3 [F15]= temperature of storage tank 3 in the The pump is switched on when the temperature of the infeed area solar collector exceeds the temperature of the storage T-SOLAR< [T-Storage 3 + MF HYST] tank in the infeed area (T-DHW B) by the Hysteresis (MF OFF: T-SOLAR <...
Commissioning Part 4: Installation and Start-up Sol Kick Pause [min] Solar parameters If the collector pump has not run for the duration set here, the pump is activated for the kick duration period. Max T-Solar Sol Kick Gradient [min] The collector pumps are disabled when the associated collector temperature exceeds the safety threshold set The course of the collector temperature is controlled here ->...
Error Messages Part 5: Appendix Part 5: Appendix Sensors: Error Messages All sensors can be checked in the "General/Service/Sensor test" level. All the sensors that Error Error description are connected must appear in this level with plausible Communication error measurements. E 90 Adr.
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Dimensions Dimensions Glossary Circulation pump Flow and return flow temperature The circulation pump ensures that there is constant hot The flow temperature is the temperature to which the domestic water available. The hot water is held in the heat source heats the water that transfers the heat to the storage tank.
Tolerance of the resistor If you have any technical questions, please contact your local branch office/agent. The addresses are available on the Internet or from Elster GmbH. We reserve the right to make technical modifications in the interests of progress.
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Elster GmbH Malfunctions due to improper operation or settings are not Geschäftssegment covered by the warranty. Comfort Controls Kuhlmannstraße 10 31785 Hameln www.kromschroeder.de...
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