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Copyright Micropelt
Heating Radiator Thermostat
MLR003RiEU61-07-1.1
LoRaWAN CLASS A EU868MHz SF7BW125
User Manual and Device Specification
The Micropelt MLR003R product series has been designed for use with heating radiators and M30x1,5
valve thread. LoRaWAN allows to control heating radiators over long distances, even inside buildings.
Significant cost savings on labor and material cost for wiring, network infrastructure, building structural
changes will reduced the amortization time over conventional systems while installing the system is only
a matter of days.
For inquiries please visit us at:
Customer Service Portal
Email: info@micropelt.com Telephone +49 7665 932183 0
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Table of Contents
Related Manuals for Micropelt MLR003
Summary of Contents for Micropelt MLR003
- Page 1 The Micropelt MLR003R product series has been designed for use with heating radiators and M30x1,5 valve thread. LoRaWAN allows to control heating radiators over long distances, even inside buildings. Significant cost savings on labor and material cost for wiring, network infrastructure, building structural changes will reduced the amortization time over conventional systems while installing the system is only a matter of days.
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Page 2: Table Of Contents
Performance Data MLR003RiEU61-07-1.1....................32 Mechanical Interface to circulation valve body MLR003R ..............35 CE Conformity MLR003RiEU61-07-1.1 ....................36 Labeling MLR003R........................... 37 13.1 Product Label ............................37 13.2 NFC Tag Label............................38 Accessories MLR003 ..........................39 14.1 MLR003-KEY Magnetic switch......................... 39... -
Page 3: Revision History Mlr003Rieu61-07-1.1
1 Revision History MLR003RiEU61-07-1.1 Rev.-No. Description of Revision Revised Date v8e has been derived from the Micropelt technology platform description v7e. Changed name to MLR003. Document describes the first release of MLR003. Most recent changed against the general-purpose platform description. - Page 4 Copyright Micropelt V15e Added clauses and information required by product Schmidt Nov. 05, 2021 safety, EN60335-1:2012. Described the position of the labels Corrected distortion of “CE”-print on product label V16e Added certification details Volkert Nov 19, 2021 Added contact email devicecredentials@micropelt.com...
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Page 5: Use And Safety Mlr003R
Do not disassemble or modify any part of the product. It is important to comply with the safety notice included in these operating instructions. In case of questions, please contact us: https://micropelt.atlassian.net/servicedesk/customer/portal/1 Micropelt - a brand of EH4 GmbH. Email: info@micropelt.com. Telephone +49 7665 932183 0 Use and Safety MLR003R – 5... -
Page 6: General Description Mlr003R
3 General Description MLR003R This document defines the properties of Micropelt’s maintenance free, intelligent thermostatic head MLR00RiEU61-07-1.1. This MLR003 is used for control of heating radiators with standard valve connection M30x1.5 (Section 10). MLR00RiEU61-07-1.1 is an 868MHz LoRaWAN CLASS-A wireless actuator operating in SF7BW125. - Page 7 Copyright Micropelt Unsuccessful radio communication attempts are reported by status bit RCE. After 6 consecutive unsuccessful radio communication attempts (acknowledge from the gateway), the actuator automatically switches to the safety mode and safety values as specified by the user. In this situation, the radio communication period is increased to once every hour.
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Page 8: Operating Modes Mlr003R
Copyright Micropelt 4 Operating Modes MLR003R Installatio Standard Idle state Radio Forced Freeze n cycle failure heating Protection operation Comments Valve target Phases Transmit Valve opens Valve opens between messages to 50% to 95% monitoring (or remains received by... - Page 9 Copyright Micropelt Sensors Active, Active Active Active, every 10 every (flow, seconds ambient) 2 minutes Freeze Active, Active, Active, Active protection every 10 every 150 every 150 seconds seconds seconds Motor Reference Active, Active operation run. according Then active,...
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Page 10: Power Consumption Mlr003R
Copyright Micropelt 5 Power Consumption MLR003R Function Power consumption Battery runtime w/o active harvesting average current draw @ 500mAh** Mounting position 2.2 µA 25.9 years Radio communication every 10 min. n.n µA n.n years No motor = unheated room Radio communication every 10 min. -
Page 11: Power Management Mlr003R
Copyright Micropelt 6 Power management MLR003R 6.1 Energy Harvesting The actuator obtains the electrical energy required for operation by means of a thermoelectric generator (TEG), from the temperature difference between the heating flow temperature and the room temperature. During active flow temperatures, excess energy is accumulated in the internal storage. The energy balance of the actuator is designed to allow operation through 366 days per year when used in typical circulation strands with hot water supply throughout the year. -
Page 12: Energy Storage
Copyright Micropelt 1 Exemplary values for ACC, ACG and computed energy balance. 2 Exemplary values for STV and computed energy balance. 6.1.2 Energy Storage Using its status bit "Energy Storage", the unit indicates that its long-term operation consumed more energy than it generated. - Page 13 Copyright Micropelt to prevent its progression by suitable measures (e.g. regular, short heating intervals outside of the standard operating times). If the energy storage continues to discharge and its voltage falls below a certain limit, then the unit automatically goes into the state of forced heating. ...
- Page 14 Copyright Micropelt 3 Illustration of battery discharge curves from different starting point and ES bit activation Power management MLR003R – 14...
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Page 15: Forced Heating Mlr003R
Copyright Micropelt 7 Forced Heating MLR003R Forced heating is defined as the state that the actuator assumes when it can no longer maintain normal operation due to the discharge of its internal energy store (Storage voltage level <2V). Instead, it takes a protective position in heating mode to avoid possible freeze damage. -
Page 16: Communication Profile Mlr003Rieu61-07-1.1
Copyright Micropelt 8 Communication Profile MLR003RiEU61-07-1.1 FPort Number Type of operation Payload length Description Comments 0x00 MAC Commands 8 Bytes RESERVED • Valve position % • Actuator 0x01 Downlink: mode operation mode 6 Bytes • Temperature with valve setpoint mode... -
Page 17: Fport 0X01 Uplink: Mlr003Rieu61-07-1.1 To Controller / Network Server
Copyright Micropelt 8.1 FPORT 0x01 UPLINK: MLR003RiEU61-07-1.1 to Controller / Network Server BYTE BIT RANGE SIZE OFFSE DETAILS REV. DB0.7…0.0 Current Valve Position % 0x00 … 0x64 / 0 … 100% Res = 1% DB1.7…1.0 Flow Sensor RAW Value °C 0x00 …... - Page 18 Copyright Micropelt DB5.3 Flow Sensor Failure 1 = Sensor Failure DB5.2 Radio Communication Error 1 = Radio Loss DB5.1 Radio Signal Strength 0 = Normal Radio Signal (RSSI is greater than -100 dBm) 1 = Weak Radio Signal (RSSI is less than -100 dBm) ...
- Page 19 Copyright Micropelt DB9.4 Reference Run Completed 1 = Successfully Completed DB9.3…9.2 RESERVED DB9.1…9.0 User Mode As set by the last received Downlink (DB3.3… 3.2) 0b00 Valve Position % 0b01 RESERVED 0b10 SP Ambient Temperature °C...
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Page 20: Fport 0X01 Downlink: Controller / Network Server To Mlr003Rieu61-07-1.1
Copyright Micropelt 8.2 FPORT 0x01 DOWNLINK: Controller / Network Server to MLR003RiEU61-07-1.1 BYTE SIZE OFFSE ABBREV. DETAILS RANGE DB0.7 Set Point Value according to User Mode …0.0 VALVE %: 0x00 … 0x64 / 0 … 100% Res = 1% AMB TEMP: 0x00 … 0x50 / 0 … 40°C 0x00 = Default = 0x28 = 20°C... - Page 21 Copyright Micropelt 0b011 120 minutes 0b100 480 minutes 0b1zz RESERVED DB3.3 User Mode …3.2 0b10 = Default = SP Ambient Temperature 0b00 Valve Position % 0b01 RESERVED 0b10 SP Ambient Temperature °C 0b11 RESERVED DB3.1 Safety Mode …3.0...
- Page 22 Copyright Micropelt 0x03 +3°C 0x04 +4°C 0x05 +5°C 0x06 +6°C 0x07 +7°C 0x08 -8°C 0x09 -7°C 0x0A -6°C 0x0B -5°C 0x0C -4°C 0x0D -3°C 0x0E -2°C 0x0F -1°C DB4.3 RESERVED …4.0 DB5.7 Do Reference Run now Default = 0 ...
- Page 23 Copyright Micropelt 0b10 0b11 DB5.4 RESERVED …5.0 Communication Profile MLR003RiEU61-07-1.1 – 23...
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Page 24: Fport 0X02 Rev Number, Hardware And Firmware Version Mlr003R
Copyright Micropelt 8.3 FPORT 0x02 REV Number, Hardware and Firmware Version MLR003R Only supported in radiator product series MLR003RiEU61-07-2.0. Communication Profile MLR003RiEU61-07-1.1 – 24... -
Page 25: Fport 0X03 Motor Operating Range Mlr003R
Copyright Micropelt 8.4 FPORT 0x03 Motor operating range MLR003R Only supported in radiator product series MLR003RiEU61-07-2.0. Communication Profile MLR003RiEU61-07-1.1 – 25... -
Page 26: Fport 0X04 Lora Spread Factor Mlr003R
Copyright Micropelt 8.5 FPORT 0x04 LoRa Spread factor MLR003R Only supported in radiator product series MLR003RiEU61-07-2.0. Communication Profile MLR003RiEU61-07-1.1 – 26... -
Page 27: Fport 0X05 Slow Harvesting Sh And Valve Opening Point Detection Opd Mlr003R
Copyright Micropelt 8.6 FPORT 0x05 Slow Harvesting SH and Valve Opening Point Detection OPD MLR003R Only supported in radiator product series MLR003RiEU61-07-2.0. Communication Profile MLR003RiEU61-07-1.1 – 27... -
Page 28: Operating Instructions Mlr003R
Copyright Micropelt 9 Operating Instructions MLR003R 9.1 User Interface functionality The unit has no user-accessible buttons to avoid manipulation of the device in public environments. Installers rely on a pen-shaped magnet to perform tasks related to the installation. 9.2 Setting up a Gateway In a web browser, navigate to the gateway IP address... -
Page 29: Pairing The Device With A Room Controller Or Gateway
Copyright Micropelt Click Submit Wait for Save and Apply to go red, and then click it 9.3 Pairing the Device with a Room Controller or Gateway Devices will be accompanied with a spreadsheet containing the following information: • Device EUI •... -
Page 30: Reset (From Normal Operation Only)
Copyright Micropelt Once the unit is securely attached to the valve, • Briefly tap the pen magnet on the micr°pelt logo on the product’s cover • The radio establishes a link to the gateway → upon successful completion, a double-beep sounds •... -
Page 31: Battery Charging Flow Chart
Copyright Micropelt 9.11 Battery Charging Flow Chart Operating Instructions MLR003R – 31... -
Page 32: Performance Data Mlr003Rieu61-07-1.1
Copyright Micropelt 10 Performance Data MLR003RiEU61-07-1.1 Parameter Range Ambient operating temperature 0 to 40°C, max 70% rH Flow pipe temperature 75°C max Transportation & storage temperature range -20 to +65°C, max 70% rH Dimensions (LWH) 83 x 60 x 64 mm (63 x 60 x 64 without valve... - Page 33 Copyright Micropelt Valve protection and Auto-off when active but not Every 6 weeks: Execute run-in sequence. installed on valve body On pass return to previous position. On fail enter mounting position, communicate OFF and shut down. Antifreeze Valve side sensor <= 6°C ...
- Page 34 Copyright Micropelt Conformity Radio EN300220-2V3.1.1 & EN300220-2V3.2.1 & EN300220-1V3.1.1 Radio EMC EN301489-1 V2.2.3 / -3 V2.1.1 EN55014-1 / -2 EU Human Exposure EN62479 Product safety EN60335 Radio specification 868.0 - 868.6 MHz, 14 dBm Performance Data MLR003RiEU61-07-1.1 – 34...
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Page 35: Mechanical Interface To Circulation Valve Body Mlr003R
Copyright Micropelt 11 Mechanical Interface to circulation valve body MLR003R Mechanical Interface to circulation valve body The MLR003R series of products is designed to mount onto an M30 x 1.5mm valve. Several other valve types are served by metallic adapter pieces. -
Page 36: Ce Conformity Mlr003Rieu61-07-1.1
Copyright Micropelt 12 CE Conformity MLR003RiEU61-07-1.1 CE Conformity MLR003RiEU61-07-1.1 – 36... -
Page 37: Labeling Mlr003R
Copyright Micropelt 13 Labeling MLR003R 13.1 Product Label What Requirement Product type On Label Version number REVn.n On Label Date of production On Label Hardware version On Label Labeling MLR003R – 37... -
Page 38: Nfc Tag Label
Copyright Micropelt Firmware version On Label LoRaWAN frequency On Label Device EUI (16 digits) On Label Join EUI (16 digits) In Spreadsheet Application Key (32 digits) In Spreadsheet (Secret) Country of Origin On Label Address On Label Micropelt Logo On Label 13.2 NFC Tag Label... -
Page 39: Accessories Mlr003
Copyright Micropelt 14 Accessories MLR003 14.1 MLR003-KEY Magnetic switch 5 Pen-shaped magnet required for activating and deactivating the device (see Section 12.) Accessories MLR003 – 39...
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