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Messana M SENSE User Manual

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Summary of Contents for Messana M SENSE

  • Page 1 sense...
  • Page 3 We created mSense for your Comfort and Energy Saving to deliver the best Thermal Wellbeing™ in your home...
  • Page 4 designed in California & made in Italy...
  • Page 5 This is why at Messana we have invented mSense, a new generation of room sensors to enhance comfort and energy efficiency. mSense measures the three fundamental indoor environmental parameters that influence the wellbeing and thermal conditions of occupants: operative temperature, relative humidity (dew-point) and air quality.
  • Page 6 Smart radiant cooling and heating in your home Operative Temperature Dew-point temperature Air Quality Operative temperature is the The dew-point temperature is an Volatile Organic Compounds combined effects of the mean important measurement of the are toxic chemicals that can radiant temperature and air content of moisture in the air.
  • Page 8 Operative temperature: more than just air temperature The room temperature sensor is the first element of a heating and cooling control system. It is a fundamental element to achieve the quality of control, and ultimately the comfort experienced in the building.
  • Page 9 Typical room thermostats only provide dry-bulb air temperature as the sole index of the thermal conditions of the space. Unfortunately, the focus on air temperature has led to poor indoor climate solutions limited to blowing hot and cold air instead of focusing on the mean radiant temperature.
  • Page 10 Humidity: an essential element for your comfort and health What is the difference between dew-point and relative humidity? Meteorologists rarely talk about relative humidity (RH). Instead, they tend to use the term “dew-point” temperatures. Why? Both are measures of the water content of the air: •...
  • Page 11 Optimal moisture conditions Dew-point How would you feel? <50ºF too dry 50-60ºF optimal condition, most of the people feel comfortable 61-70ºF uncomfortable >70ºF very unconformable, too muggy Why is the dew-point so important in a hydronic radiant cooling system? In a radiant cooling system, each conditioned room of a building requires an accurate reading of the dew-point (±2ºF).
  • Page 12 Elevated VOC levels can have a negative impact on well being and comfort. Messana mSense integrates an innovative air quality sensor that constantly monitor the Total VOC and the equivalent CO .
  • Page 13 Intelligent air quality sensor that goes beyond CO [ppm] Air Quality Although CO plays a major role in modern ventilation 2100 control systems, sole CO has not a real impairment on 2000 humans. As decades of submarine experience and ISS 1900 (International Space Station) experiments confirm: even heavily contaminated indoor...

  • Page 14: Technical Specifications

    Technical specifications Sensors Operative Temperature Sensor Sensirion STS30 Typical accuracy ±0.166°F (±0.3°C) Operative temperature range -40 to +257°F (-40 to +125°C) note 3 Dry Bulb Air Temperature (DB) and Relative Humidity (RH) Sensor Sensirion SHT35 DB temperature accuracy 68°F to 140°F (20°C to 60°C) ±0.18°F (±0.1°C) 32°F to 68°F (0°C to 20°C) ±0.36°F (±0.2°C)

  • Page 15: Mounting Type

    Over the years the accuracy of integrated sensors will decrease based on the long term drift. Notes 1. App and Web Interface are available only with a Messana home climate control system. 2. Modbus or BACnet protocols can be selected via dip-switch (#9). BACnet will be available late in 2017.
  • Page 17 Installation Guide in the most simple way...
  • Page 18 In the box mSense mSense Installation Guide...
  • Page 19 Installation kit (sold separately) O-in™ drywall adapter Mudding / Painting sleeve O-in™ protection cap mSense plug O-in™insertion tool connector (use with adapter sleeve)  mSense sensors should be installed by a professional.
  • Page 20 Installation and positioning guidelines mSense is the “eye” of the control system. In order to “see” the thermal radiations of the room the sensor must have an unobstructed view. An incorrect positioning of the sensor will prevent the heating and cooling system from delivering the best thermal comfort.
  • Page 21 2” Use a 2” hole saw If the sensor is mounted over a Messana mPad or a regular wall switch or receptacle, pay attention to the alignment with the mSense sensor. When cutting the 2” hole pay attention to pipes and or wires behind the drywall patch.
  • Page 22 O-in™ adapter sleeve installation kit O-in™ adapter sleeve Mudding / painting O-in™ protection cap and plug connector O-in™ installation tool O-in™ installation housing...
  • Page 23 O-in™ adapter sleeve installation sequence Pass the cables inside the O-in™ adapter sleeve and insert them inside the O-in™ installation tool. Fix the O-in™ adapter sleeve through the little slots into the O-in™ installation tool (the threaded part goes toward the tool). Push the O-in™...
  • Page 24 Wiring the 4-pole connector The two 2-pair twisted cables must be connected together into the 4-pole connector to maintain a daisy chain connection. Using a wire-stripping tool strip all stranded wire about 1/4 inch from the end. Couple the wires with same color and line up their ends, then twist the terminals together.
  • Page 25 (24VAC/DC). In this case, Messana suggests to use a 22 AWG 2-pair twisted cable; one pair is used for the communication bus and the second pair for the power supply.
  • Page 26 Setting the mSense address A Modbus RS-485 network comprises of one Master device (e.g. Messana mZone zoning module) and up to 247 Slave devices (e.g. mSense sensors). A Slave device can communicate on the bus only if requested by the Master.

  • Page 27: Dip-Switch Configurations

    Dip-switch configurations mSense address (dip-switch #1 to #8) 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0...
  • Page 28 Finishing the installation with O-in™ mount technology To complete the installation of the mSense sensor, remove the O-in™ protection cap from the wall. Use a sharp tool to carefully lift the edge or insert the end of a paper clip and pull it out. Extract the previously wired connector and plug it to the mSense sensor.
  • Page 29 Design without distractions Even untouched mSense is barely noticeable. To make the sensor even less noticeable mSense can be painted using water based paint in a matte finish only. Oil based or gloss and semi-gloss paint can have an effect on the accuracy of the readings performed by the sensors, so please do not use these products on the sensor face.
  • Page 30 Messana Radiant Cooling typical system wiring diagram Wiring Legend mSense data/power cable (22 AWG 2-pair twisted cable)  Outdoor Sensor RS485 twisted pair  Ethernet CAT 5   DO Digital Outputs Digital Inputs  use AWG18 twisted pair AO Analog Outputs ...
  • Page 31 Presence Fan Coil Fan Coil Fan Coil (Bus) (Bus) (Bus) (Bus) (Analog) (1 speed digital) max 300ft m mSense (n+m ≤ 12) Window or Presence Activations mZone Alarms mSense ID n+1 mSense ID n+2 mSense ID m Termination ON mPad mPad mSense Window or Presence...

  • Page 32: Modbus Registers

    Modbus registers mSense can communicate with a control system (e.g. Messana mZone) via Modbus protocol. The sensor programing and date exchange is based on three set of 16bit registers: • General settings Data register, read only, with temperature in Fahrenheit degree •...
  • Page 33 16bit registers (Fahrenheit degree) Address Information Unit Description -400 1940 Operative temperature measured by the Sensirion STS30 sensor placed in the metal 0x0000 Operative temperature ºF x 10 (-40.0ºF) (194.0ºF) dome (or flat capsule). -400 1940 Dry bulb air temperature of the air flowing through the mSense air openings. 0x0001 Air temperature ºF x 10...
  • Page 34 Designed by Messana specifically for Radiant Cooling and Heating Systems Messana offers a unique home climate control platform designed with 20-year experience in hydronic radiant cooling and heating. The Messana control system integrates a unique technology to modulate radiant fluid temperatures so that surfaces stay above the dew-point, while keeping occupants comfortable and boosting energy efficiency.

  • Page 35: Warranty Conditions

    (12) months from the documented date of installation if installed within twenty-four (24) months from the production date. The liability of Messana under the Limited Warranty shall be limited to, at Messana’s sole discretion: the cost of parts and labor provided by Messana to repair defects in materials and/or workmanship of the defective product;...
  • Page 36 Colophon designed in California & made in Italy copyright © 2017 by Messana Radiant Cooling All Rights reserved. Messana Radiant Cooling 4105 Soquel Dr, Suite B Soquel, CA 95073 radiantcoling.com...
  • Page 38 Messana Radiant Cooling - 4105 Soquel Dr, Suite B - Soquel, CA 95073 - USA...

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