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Related Manuals for Danfoss EFIT 850
Summary of Contents for Danfoss EFIT 850
- Page 1 Installation and user manual EFIT™ 850 controller GB-DAS...
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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™...
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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...
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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… <------>...
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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… <------>...
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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 .
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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 ...
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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...