Danfoss EFIT 850 Installation And User Manual
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Danfoss EFIT 850 Installation And User Manual

Danfoss EFIT 850 Installation And User Manual

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EFIT™ 850 controller
GB-DAS
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  • Page 1 Installation and user manual EFIT™ 850 controller GB-DAS...

  • Page 2: Table Of Contents

    Table of Contents 1: User Manual System overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 General use .

  • Page 3: 1: User Manual

    User Manual System overview The EFIT™ 850 system is capable of keeping outdoor areas free of ice and snow . The EFIT™ 850 can handle up to 2 independent areas, in any of the following combinations: • S ingle roof system To keep gutters, valley gutters and down pipes free of ice and snow, and to prevent icicles from causing damage .
  • Page 4 User Manual When more than 1 area is controlled by the EFIT™ 850 system, it is also possible to prioritize the areas . Prioritizing makes it possible to operate 2 areas, even if the needed power for 2 areas is not present . The EFIT™...

  • Page 5: General Use

    User Manual General use The EFIT™ 850 is operated via 3 buttons and an alpha numeric display capable of dis- playing information in various languages . Buttons The functions of the 3 buttons are: Info Shows additional information / help (Only active when lit) Next Next menu entry / next line / next letter Enter...

  • Page 6: Menu System

    User Manual Combined view (default): The combined view shows the status of both systems at A:Roof  the same time . System A is shown on the upper display B:Ground   line, and System B is shown on the lower display line . This view gives the user a quick overview of all the sys- tems .

  • Page 7: Possible Alarms During Operation

    User Manual Possible alarms during operation Clogged drain Description: When clogged drain warning has been enabled, an alarm is raised when the system constantly has been detecting moisture for 14 days . If the EFIT™ 850 controls more than 1 system, and prioritizing has been enabled, the time before clogged drain warning for the down-prioritized system, can be much longer .

  • Page 8: Changing Parameters And Performance Of Systems

    User Manual Changing parameters and performance of systems Several parameters for each system can be changed during and after the installation . For a complete understanding of how these parameters affect the performance of the roof and ground system, please refer to Appendix B: “How it works” . O nly change the EFIT™ 850 parameters if you are aware of the effects of your actions .

  • Page 9: Ground System

    User Manual Ground system Melting temperature Changing the melting temperature will affect when the system is activated in case of moisture and low temperatures . The factory setting is 4°C. This means that the heating system will be activated if the temperature falls below 4°C and moisture is detected .

  • Page 10: 2: Installer Manual

    User Manual Installer Manual Installer Manual System overview The EFIT™ 850 can handle up to 2 independent areas, in any of the following combinations: • Single roof system (1 system, 1-4 roof sensors) • Single ground system (1 system, 1-4 roof sensors) • 1 ground system and 1 roof system (combi system) (2 systems, 2-4 sensors total, minimum 1 sensor per system) •...

  • Page 11: Placement

    User Manual Installer Manual Placement The EFIT™ 850 and power supply are designed for DIN rail mounting . When mounting please be aware of the following conditions: The EFIT™ 850 is designed and approved to operate in the temperature range -10°C to 40°C. The EFIT™...
  • Page 12 User Manual Installer Manual devibus sensor´s RS232 (for software upgrades) White White Black White White Black DC supply 13 14 15 16 17 18 19 20 21 22 23 24 EFIT™ 850 9 10 11 12 The EFIT™ 850 has an integral alarm function that monitors the attached ALARM...
  • Page 13 Installer Manual B - 230V, 1-3 P/1-3 loads - System A C - 230V, 1-3 P/1-3 loads - System B EFIT™850 EFIT™850...
  • Page 14 Installer Manual D - 400 V, 2-3 Phase/1-3 Loads - System A E - 400 V, 2-3 Phase/1-3 Loads - System B EFIT™850 EFIT™850 F - Direct connection - System A G - Direct connection - System B EFIT™850 EFIT™850 MAX 15A MAX 15A...

  • Page 15: Installation Steps For System/Systems

    Please follow the general description and finally select the installation scenario accord- ing to the system type . Change setting with key: Accept setting with key: General Power on EFIT™ 850 Welcome to EFIT 850 III Select language Select language:English System is being checked… Checking system <------>...

  • Page 16: Installation Of Roof System

    Installer Manual Installation of roof system The installation of a EFIT™ 850 with 1 roof system has been selected . It is optional if the sensors are connected to the EFIT™ 850 before power on or during the installation . The system uses the output System A. Connect sensors System A If sensors for System A are not connected - do it now!

  • Page 17: Installation Of Ground System

    Installer Manual Installation of ground system The installation of a EFIT™ 850 with 1 ground system has been selected . It is optional if the sensors are connected to the EFIT™ 850 before power on or during the installation . The system uses the output System A . If sensors for System A are not connected - do it now! Connect sensors: Press...

  • Page 18: Installation Of Combi System

    Installer Manual Installation of combi system The installation of a EFIT™ 850 with 1 roof system and 1 ground system has been se- lected . It is optional if the sensors are connected to the EFIT™ 850 before power on or during the installation . The first installed system (System A) is using the output System A .
  • Page 19 Installer Manual Wait until correct number of sensors for System B is 3 Ground sensors found . found. Accept? when all sensors for System B are found… Press System B is installed… System B Installed! Checking system System is being checked… <------>...

  • Page 20: Installation Of Dual System

    Installer Manual Installation of dual system The installation of a EFIT™ 850 with 2 roof systems or 2 ground systems has been se- lected . It is mandatory that no sensors or only sensors for System A are connected to the the EFIT™ 850 before power up . Sensors for System B must be connected to the EFIT™ 850 during the installation steps .
  • Page 21 Installer Manual Installer Manual Wait until correct number of sensors for System B is 1 Ground sensor found . found. Accept? when all sensors for System B are found… Press System B is installed… System B Installed! Checking system System is being checked… <------>...

  • Page 22: Modification Of System(S)

    Installer Manual Modification of system(s) It is possible to modify the installed systems on the EFIT™ 850 . The following modifica- tions are possible: • Reactivate passive sensors • Replace a malfunctioning sensor • Add an extra sensor When the EFIT™ 850 cannot communicate with a sensor, the EFIT™ 850 reports the error: “Errors detected!” . The EFIT™ 850 does not rely on malfunctioning sensors, and therefore the EFIT™...
  • Page 23 Installer Manual Replace a malfunctioning sensor: From the installer menu select Change system. Checking system The system is searching for connected sensors . <------> The user selects the passive sensor, which should be Replace sensor: replaced with a new one . Sensor1 03FB2F Press to loop through the found passive sensors Replace sensor:...
  • Page 24 Installer Manual If the user selected a new sensor to add, the sensor Sensor added! is added .

  • Page 25: 3: Technical Specification

    Technical Specification Technical Specification Technical data Voltage: • EFIT™ 850 18-26 VDC • Power supply 180-250 VAC, 50/60 Hz Power consumption: • EFIT™ 850 Max . 3 W • Roof sensor(s) Max . 8W (each) • Ground sensor(s) Max . 13W (each) Relay load capability: •...

  • Page 26: Factory Settings (Roof System)

    Technical Specification Factory settings (Roof system) Function Factory settings Range/Options Moisture level 5 to 95 (5 being the most sensitive to moisture) Melting temperature 1 .5°C 0 .0°C to 9 .9°C Post-heat 1 hour 0 to 9 hours Clogged drain On/off System mode Automatic •...

  • Page 27: A: Menu System

    Appendix Appendix A Appendix A: Menu system Main menu                      System          ...
  • Page 28 Appendix Appendix A View sensor View sensor measurements View system parameters (Roof system) (Roof system) measurements                         ...
  • Page 29 Appendix Appendix A Installer menu Installer menu                                   ...
  • Page 30 Appendix Appendix A Change system Change system    Only if any passive (disabled)   sensors are working again!  If no new sensor(s) found If new sensor(s) found, but no If new sensor(s) found and (Example showing ground passive sensor(s) found.
  • Page 31 Appendix Appendix A View statistic View statistics                                   ...

  • Page 32: B: How It Works

    User Manual Appendix B B: How it works Roof system The roof system is fully automated . Standby It gathers information on moisture (No heating) Temperature > and temperature via digital sensors Temperature < Melting temperature Melting temperature Moisture > Moisture limit continuously .

  • Page 33: Ground System

    User Manual Appendix B Ground system Temperature < Standby temperature Standby Standby Temperature >- The ground system is Standby temperature (No heating) Mantaining standby temperature fully automated . It gathers Temperature < Melting temperature (Heating) Moisture > Moisture limit information on moisture Melting and temperature via digital (Heating)

  • Page 34: Security And Energy Consumption

    User Manual Appendix B Post-heating If the reason for ending a heating period is a decrease of moisture to below the chosen level, the post-heating period will start . Post-heating ensures that no ice and snow is left on the roof . If system priority is low, heating might be paused at any time! The ground system uses heated sensors which under normal circumstances will hold a temperature of 1 .5°C .

  • Page 35: C: Psu And Feeder Cable

    User Manual Appendix C PSU and feeder cable 2 pcs . PSU 24V, Ground system 1 pcs . PSU 24V 24W in parallel dc . 24W Number of sensors: 1 or 2 Cable type Max. length (m) Max. length (m) Max length (m) 1 mm²...
  • Page 36 Article: 088L8071 Version: 01.01 ˚C...

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