Installation and user manual Devireg™ 850 controller GB-DAS
Contents
1. A LI t 023 J t 4 CD22 4 400V cables 400V cables F Direct connection System A G Direct connection System B s 5 Is v Iv v9 20 e Devireg 850 230V cables 230V cables N N 14 Installer Manual Installation steps for system systems The installation of the Devireg 850 is very easy and the user is guided through the installation process The installation process differs a little depending on which kind and the number of systems to be installed Please follow the general description and finally select the installation scenario accord ing to the system type Change setting with key 9 Accept setting with key General M Power on Devireg 850 M Select language System is being checked y Select system configuration Roof system 1 system e Ground system 1 system Combi system 2 systems Dual system 2 systems The rest of the installation is divided into the system configurations roof ground combi or dual as listed above EN Ui Installer Manual Installation of roof system The installation of a Devireg 850 with 1 roof system has been selected It is optional if the sensors are connected to the Devireg 850 before power on or during the installation A The system uses the output System A If sensors for System A are not connected do it now Press or wait2. Running time 2479h A Relay orerations 14688 RS Des View connected sensors ee en I Boot FW version GAZE BS 83 01 ee A Main FW version Bari 83 81 81 wa Text version 1611 03 61 81 A A E2PROM version Aili 83 81 41 A A Leave this menu Press U Sensori 841153 Errors a O Sensorz 24115C Errors a 9 Leave this menu Press n 31 Appendix B B How it works Roof system The roof system is fully automated Standby p It gathers information on moisture Kon re and temperature via digital sensors Temperature s Melting temperature Melting temperature Moisture gt Moisture limit continuously The sensors are placed ve PO Ater kous Measuring Ste temperature on strategic spots in gutters or down Heating TE No heating pipes for further information on AA the sensor please refer to the sensor I ns Post heating Post heating time elapsed manual By combining measure Heating ments of both moisture and tem perature a reliable detection of the situation is achieved Hence it is known whether heating of the roof area is needed in order to avoid that the roof is covered by ice and Snow Standby The system is on standby and awaits heating of the roof area Heating of the roof area will start when the following conditions are fulfilled Mea
3. Press or wait System is being scanned to find type of connected sensors EM Select system type 20 Installer Manual h Wait until correct number of sensors for System B is found Press when all sensors for System B are found System B is installed System is being checked 0 Press to select system to configure Press to configure selected system Naming sensors changing factory settings and setting priorities Please refer to Changing parameters and performance of systems in User Manual for description of the configurable parameters EM Press to end configuration N Installer Manual Modification of system s It is possible to modify the installed systems on the Devireg 850 The following modi fications are possible e Reactivate passive sensors Replace a malfunctioning sensor Add an extra sensor When the Devireg 850 cannot communicate with a sensor the Devireg 850 reports the error Errors detected The Devireg 850 does not rely on malfunctioning sensors and therefore the Devireg 850 makes the sensor passive The passive sensor is no longer used for ice and snow detection not even after a power cycle A If the malfunctioning is causes by problems with the wiring the failure can be fixed and the sensor can be reactivated A If the malfunctioning is caused by an error prone sensor the error can be cor rected by replacing th
4. D 87 mm height 74 mm D 293 mm height 98 mm Type Devireg 850 D850 DP 10 For further information on the sensors please refer to the sensor manual 25 Technical Specification Factory settings Roof system Function Factory settings Range Options Moisture level 50 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 On off System mode Automatic Automatic Constant ON manual timer Manually OFF Factory settings Ground system Function Factory settings Range Options Moisture level 50 5 to 95 5 being the most sensitive to moisture Standby temperature 3 0 C 20 C to 0 C Melting temperature 4 0 C 1 0 C to 9 9 C Post heat 1 hour 0 to 9 hours Clogged drain On On off System mode Automatic Automatic Constant ON manual timer Manually OFF 26 Appendix A Appendix A Menu system i Main menu s eo 5s Y AG 4 B Ground 8 2 Standbs Bs Meltins T 9 Select system At e View and set Roof operating mode T I System A View sensor o measurements Select system Bt View and set Ground gt operating mode 3 System B View sensor measurements Only visible when System Bis installed
5. If a high degree of security against ice and snow is wanted make the following adjust ments of the operation parameters Increase the standby temperature Increase the melting temperature e Decrease the moisture level close to setting 5 Prolong the post heat period This will give a high degree of security in even dry areas Low security lower energy consumption Conversely low energy consumption and a moderate level of security against ice and snow could be prioritized In this case make the following adjustments of the operation parameters Decrease the standby temperature e Decrease the melting temperature Increase the moisture level Shorten the post heat period This will give relatively low energy consumption but the area may remain wet and icy in short periods A The factory settings are average values providing a relatively high degree of security and moderate energy consumption 34 Appendix C PSU and feeder cable Ground system 1 pcs PSU 24V 2 pcs PSU 24V dc 24W 24W in parallel Cable type Max length m Max length m Max length m mm 30 150 so mm 1200 60 310 if 2 sensors are used in a dual zone system ie 1 sensor in each zone 2 PSUs are required 1 pcs PSU 24V 2 pcs PSU 24V dc 24W 24W in parallel Number of 1 4 NENNEN m m m too o 7s 150 2 3 300 35 The DEVI Guarantee You have purchased
6. in order to maintain the melting temperature It is however important to understand that even when the system is melting ice and snow it is not necessarily heating at all times The heating will be turned on and off in accordance with the measured tempera ture in order to maintain a constant melting temperature If the temperature rises more than 1 5 C above the chosen melting temperature the system will automatically stop heating the area irrespective of the moisture on the area 33 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 A 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 In connection with measuring the area temperature heating of the sensor is turned off for 90 minutes at a time This is done in order to ob tain a correct measurement of area temperature which is not influenced by sensor tem perature If a system only has one sensor this sensor is constantly heated for 90 minutes and then turned off for 90 minutes This entails that measurement of temperature can be up to 3 hours delayed With more than one sensor this performance is significantly improved Security and energy consumption High security higher energy consumption
7. View alarm menu System menu A B System menu li View we set Current mode operating mode 4 Automatic ry Y Select mode Automatic Y Select mode Constant OFF 9 Select made e Constant ON O Y Leave this menu Press O Return to main Y View sensor x i View sensor measurements measurements 9 View system Parameters 9 Installer site e View system parameters Proceed Era SNo gt Installer ment Leave this menu Press u 27 Appendix A View sensor measurements View sensor parameters 28 View sensor measurements Roof systems Y Sensor 1 Temp 26 1 C Y D Sensor surfacue Teme 27 2 C Y Sensor 1 Moist lev 18 Y Temp 26 2 C 9 o y Sensor surface o Sensor 2 View system parameters Roof system j y View Parameter Moist lev 58 9 View Parameter Melt T 4 80 i a View Parameter O postheat 1H T Y View Parameter Priority 1 p Y Leave this menu Ten 27 320 o Y Sensor 2 Moist leu 11 Y Press n A Leave this menu Press u View sensor measurements Groun
8. above the melting temperature E This icon is shown when the system has detected snow or ice and the tem perature is below the melting temperature The Devireg 850 can simultaneously control up to 2 different systems These 2 sys tems are referred to as System A and System B The Devireg 850 gives the user the opportunity to view the current status of the systems The status can be shown in 2 different ways User Manual Combined view default The combined view shows the status of both systems at the same time System A is shown on the upper display line and System B is shown on the lower display line This view gives the user a quick overview of all the sys tems Flipped view The flipped view shows the status of 1 system at a time The status of each system is shown for 5 seconds This view gives the user more detailed information about each system The user can always press irrespective of view selected Menu system The menu system is navigated by the keys No matter if the Devireg 850 controls one or two systems the look and use of the menu system is always the same This is obtained by making the entry to each system in the main menu The possibili ties and settings for each system are first accessible after the user has selected the desired system To the right is given an example of the main menu and the menus for System A and System B A Please notice that only a few of the men
9. and or roof sensor s Be aware of maximum number and cable length of sensors on each power supply Refer to sensor manual for a more detailed description Installer Manual Placement The Devireg 850 and power supply are designed for DIN rail mounting When mount ing please be aware of the following conditions A The Devireg 850 is designed and approved to operate in the temperature range 10 C to 40 C A The Devireg 850 is only IP20 protected thus not water resistant A The installer must ensure proper enclosure of the Devireg 850 according to national standards electrical safety Connection steps for system Only authorized personnel is allowed to install the Devireg 850 When wiring up the Devireg 850 and sensors please be aware of the following conditions A When the Devireg 850 is used in a dual system configuration it is prefer able that each sensor bus devibus can be connected and disconnected via switches During the installation of a dual system each system must be connected one at a time A Be aware of maximum allowable power drain from power supply to sensors Below is shown the recommended order of the installation Please refer to figure A for connection of Devireg 850 and refer to figure B G for a guideline to connect the heat ing elements to Devireg 850 1 Connect heating cables to the Devireg 850 Please notice that a single system ALWAYS uses the System A out
10. to heat only the system with the highest priority is allowed to heat The factory setting is 1 highest priority for all systems Clogged drain It is possible to enable and disable the Clogged drain warning The factory setting is Warning On System and sensor name It is possible to change the names of the system and connected sensors Installer Manual Installer Manual System overview The Devireg 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 2roof systems dual system 2 systems 2 4 sensors total minimum 1 sensor per system 2ground systems dual system 2 systems 2 4 sensors total minimum 1 sensor per system When more than 1 area is controlled by the Devireg 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 A typical ice and snow melting system consists of Devireg 850 Only 1 Devireg 850 is allowed on the Devibus Power supply More power supplies can be connected in parallel if needed Be aware of maximum number of sensors on each power supply Refer to Technical Specification for power demand of sensors Ground
11. If for some reason you do not wish to configure the system now you can press to skip configuration of the system EM Press to end configuration Installer Manual Installation of combi system The installation of a Devireg 850 with 1 roof system and 1 ground system has been selected It is optional if the sensors are connected to the Devireg 850 before power on or dur ing the installation A The first installed system System A is using the output System A The second installed system System B is using the output System B It is freely selectable if System A should be the roof or ground system However it is preferable that System A is the roof system since System A is shown on the upper line of the display Please refer to the description of the Display and Combined view in the user manual If sensors for System A are not connected do it now Press or wait System is being scanned to find type of connected sensors Select system type Roof if roof system is preferred as System A Wait until correct number of sensors for System A is found Press when all sensors are found System A is installed If sensors for System B are not connected do it now Press or wait System is being scanned to find type of connected sensors Select system type Ground if ground system is preferred as System B Installer Manual h Wait until correct number of sensors for System B is found Pr
12. Installation and user manual Devireg 850 controller Sy DEVL Member of the Danfoss Group Table of Contents 1 User Manual Syst m OVervieW iu iu edo A d CR eer bine lia 3 General USE id 1a Let RR dat dues un d dde desee debe dde de ond 5 BULOM yaa xc E era chan demi mine tin 5 Display sce WEEE a ROR eau EEG RE We ee ae a 5 Menu System sis morsi ent A ati diese A 6 Possible alarms during operation Clogged dtaibi rss prier OR EP Ter ox VOA Peut aise d 7 Missing sensor uw sy ERU RUE RU edo E RR eue 7 New added Sensor 5v xe xe ORE ne OR A e o De e 4 7 Sensor tnalfunction ix y E Rt red ede eh ee ee GG Eda 7 Changing parameters and performance of systems 8 Roof system cui RS CR RARE ana ere a KIA Ec nero 8 Ground system ii mano ert he Se be AG OW e e E DUE RC Y s 9 2 Installer Manual System OVervieW cdd rd debate ox mode dor aor bonnet a da dr 10 Placement c e a Puce E RU daca RR RE E Ke RR 11 Connection steps for system 11 Installation steps for system systems 15 General ere eee dr edo pd dus pie 15 Installation of roof system 16 Installation of ground system 17 Installation of combi system 18 Installation of dual system 20 Modification of
13. System is being scanned to find type of connected sensors M Select system type Roof h Wait until correct number of sensors for System A is found Press when all sensors are found System A is installed System is being checked h Press o to configure System A Naming sensors and changing factory settings Please refer to Changing parameters and performance of systems in User Manual for description of the con figurable parameters If for some reason you do not wish to configure the system now you can press to skip configuration of system UM Press to end configuration 16 Installer Manual Installation of ground system The installation of a Devireg 850 with 1 ground system has been selected It is optional if the sensors are connected to the Devireg 850 before power on or during the installation A The system uses the output System A If sensors for System A are not connected do it now Press or wait System is being scanned to find type of connected sensors amp Select system type Ground M Wait until correct number of sensors for System A is found Press when all sensors are found System A is installed System is being checked EM Press to configure System A Naming sensors and changing factory settings Please refer to Changing parameters and performance of systems in User Manual for description of the con figurable parameters
14. a DEVI heating system which we are sure will serve to improve the comfort and economy of your home DEVI provides a complete heating solution with Deviflex heating cables or Devimat heating mats Devireg thermostats and Devifast fixing strips Should you against all expectations experience a problem with your DEVI heating system you will find that DEVI whose products are manufactured in Denmark and sold throughout the European Union is subject to the standard regulations pertaining to product liability as specified in EU directive 85 374 CEE as well as all applicable legislation in the individual countries on the following conditions DEVI offers a 10 year guarantee on all Deviflex heating cables and Devimat heating mats and a 2 year guarantee against material defects and production defects in connection with any other DEVI products The guarantee shall be valid only if the GUARANTEE CERTIFICATE is completed correctly and in accordance with the instructions and provided the fault is inspected by or submitted to DEVI or an authorised DEVI dealer Please note that the GUARANTEE CERTIFICATE must be completed in English or local language DEVI shall undertake any repair free of charge or supply the customer with a new unit Repairs shall be carried out at no further cost to the customer In the case of faulty Devireg thermostats DEVI reserves the right to repair the unit free of charge and without any unreasonable delays fo
15. and temperature via digital Heating sensors continuously The Poat heat time elapsed Moisture Moisture limit sensors are placed on stra tegic spots on the ground rosa area for further informa tion on the sensor please refer to the sensor manual By combining measurements of both moisture and temperature a reliable detection of the situation is achieved Hence it is known whether heating of the ground area is needed in order to avoid that the ground area is covered by ice and snow Standby The system is on standby awaiting need for heating If the measured temperature is below the chosen standby temperature the system will automatically heat the area in order to maintain the standby temperature Melting heating will start when the two following conditions are fulfilled Measured moisture is higher than the chosen limit for moisture Measured temperature is lower than the chosen melting temperature Temperature and moisture are measured continuously by the sensors Melting Ice and snow As long as the measured temperature is lower than the chosen melting temperature heating of the ground area will be on When the measured temperature reaches the chosen melting temperature and the measured moisture level is below the chosen limit the post heating function will be activated The post heating function can be disabled If moisture is detected on the ground area the system will continue to heat the area
16. are of the effects of your actions Reference Appendix A Installer menu Roof 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 1 5 C This means that the heating system will be activated if the temperature falls below 1 5 C and moisture is detected Moisture level The moisture level decides when the system detects moist The factory setting is 50 on a scale from 5 to 95 The lower the setting the more sensitive the system is to moisture Post heat Once the sensor has detected that the roof gutter is dry and free of ice and snow the system will keep heating for another hour default If you wish to increase decrease this time see appendix A Installer menu The factory setting is 1 hour on a scale from 0 to 9 hours Priority When using the Devireg 850 as a dual or combi system it is possible to prioritize the systems When the priority of 2 systems is equal both systems can heat at the same time If the priority of the 2 systems differs and both systems want to heat only the system with the highest priority is allowed to heat The factory setting is 1 highest priority for all systems Clogged drain It is possible to enable and disable the Clogged drain warning The factory setting is Warning On System and sensor name It is possible to change the names of the system and connec
17. d system e Y Sensor 1 Temp 26 1 C Y Sensor 1 Moist leu 18 9 Sensor 2 Temp 26 2 C lo Sensor 2 Moist leu 11 9 Leave this menu Press n View system parameters Ground system o Y View Parameter Moist lev 50 9 View Parameter Stdb T 3 8 C 9 View Parameter Melt T 4 8 C o E View Parameter Postheat 1H O View Parameter Priority 1 9 Leave this menu Press U Appendix A Installer menu Installer menu Y Set parameter 4 Moist lev 58 T 12 Enter Moist lew az t Set Parameter Ember Stdb temp Stdb T 3 8 C a i Bes 9 Set rarameter e Enter Melt teme Melt T 4 80 E 14 tC e gt T 9 Set parameter Postheat 1h 2 Set Parameter Priority 1 T 9 Enter Priority 1 High t Clogged drain Select 4 Warning On Warning 0n o di o o Rename system Epter name Enter name Roof Roof Root le jo Enter name LEhter name Red Bret Rename sensors Rename sensors e Enter names in system Sensor 1 Sensor 1 o E Renam
18. e error prone sensor with a new sensor A It is not possible to delete a passive sensor in a system Passive sensors will remain in the systems until they are replaced with new sensors The only way to delete a passive sensor other than replacing it is to make a Master Reset and reinstall the Devireg 850 please refer to chapter General use Reactivate passive sensors The given example is for a ground system EM From the installer menu select Change system Press to activate Change system The system is searching for connected sensors If any passive sensors are found they are reactivated Message is shown for 3 seconds If no new sensors are found it is reported to the user Message is shown for 3 seconds 22 Installer Manual Replace a malfunctioning sensor From the installer menu select Change system The system is searching for connected sensors The user selects the passive sensor which should be replaced with a new one Press o to loop through the found passive sensors or to cancel replace sensor Press when the correct passive sensor or Cancel replace sensor is selected If the user selected a passive sensor to replace the user should now select the new sensor Press Q to loop through the found new sensors or to cancel replace sensor Press when the correct new sensor to add is found or Cancel replace sensor is selected If the user selected a new sensor to add the
19. e sensors Ehter name Sensor 2 sensor 2 je o Leave this menu Press 0 y Change system Change system T y View 9 View statisti statistics m View statistics jo Restore factors Parameters T jo Set Parameter Selbct language Language English I 42 Leave this menu Press n 29 Appendix A Change system Change system Y Checking system WE 1 sensor s Only if any passive disabled reactivated sensors are working again r LP Ifno newsensor s found Kfnewsensor s found but no If new sensor s found and Example showing ground i passive sensor s found passive sensor s found i system i H r u H No ground H I Add sensor Replace sensor 1 sensors found i H ID B3RBC 1 Sensori G3FB2F 1 u l id o e i Y Add sensor Y Rerlace sensor Y ID B3DEF1 Sensor2 3FC24 ME o Y o o i Cancel Add Cancel replace sensor sensor 1 1 i Sensor added Add sensor ID B3ABCI jo je Add sensor Y ID GSDEF1 Y e Cancel rerlace sensor Sensor rerlaced 30 Appendix A View statistic View statistics AA Dreratina time 3682h A x
20. ess when all sensors for System B are found System B is installed System is being checked ET Press to select system to configure Press to configure selected system Naming sensors changing factory settings and setting priorities Please refer to Changing parameters and performance of systems in User Manual for description of the configurable parameters E Press to end configuration 9 Installer Manual Installation of dual system The installation of a Devireg 850 with 2 roof systems or 2 ground systems has been selected It is mandatory that no sensors or only sensors for System A are connected to the the Devireg 850 before power up Sensors for System B must be connected to the De vireg 850 during the installation steps Connection of the sensors during installation can either be done using a switch on the DIN rail or just connect sensor bus of System B to the already connected sensor bus of System A A The first installed system System A is using the output System A The second installed system System B is using the output System B If sensors for System A are not connected do it now Press or wait System is being scanned to find type of connected sensors Select system type EM Wait until correct number of sensors for System A is found Press when all sensors for System A are found System A is installed Connect sensors for System B
21. gle roof system A and 1 single ground system B 2 roof systems dual system Consists of 2 x Single roof systems A and B 2 ground systems dual system Consists of 2 x Single ground systems A and B User Manual When more than 1 area is controlled by the Devireg 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 Devireg 850 is fully automatic and operated digitally by means of the intel ligent sensors located in the heated terrain Each sensor measures both temperature and moisture and the system turns the heating elements on and off based on these readings By combining moisture and temperature readings the system is able to save around 75 energy compared to systems which only measure temperature readings The digital sensors used for the Devireg 850 also provide the most exact readings when compared with corresponding analogue systems The result is optimum func tionality and low energy consumption A typical installation consists of Controller unit only one This is the device which based on the measure ments from the sensors decides when to heat the connected area s Power supply one or more The power supply delivers power to the controller unit and the connected sensors Ground sensor one or more At least 1 ground sensor is needed for each ground area b
22. put relay e When using external power relay please refer to the connection diagrams 2 Connect the power supply to the Devireg 850 Do not connect the power supply to mains yet 3 Connect sensors to the Devibus When used as a dual system only the sensors for System A can be connected For connection of System B please refer to chapter Installation of dual system 4 Connect the power supply to mains Installer Manual devibus sensor s RS232 for software upgrades DC Supply e EE dan Devireg 850 The Devireg 850 has an integral alarm function that monitors the attached ALARM SystemA System B sensors and the in built M QE d microprocessor An external alarm may also be connected to the system 12 Installer Manual B 230V 1 3 P 1 3 loads System A C 230V 1 3 P 1 3 loads System B rs ua rs ve re ve o o 5 es Devireg 850 s 9 7 o o ols Te gm N u L1 c Dir Je en EAA __ a oes AA Le L ee ne ron 1 1 1 h 1 ANM Ki T TUS ESS 1 I 1 U U i U Ld r rh AA HE oo LI LJ LI LJ ale U U U U U U U U L 1 U 1 N nm 230V cables 230V cables d Installer Manual D 400 V 2 3 Phase 1 3 Loads System A E 400 V 2 3 Phase 1 3 Loads System B poa es Le 6 o n OOOO Devireg 850 pepe pere pepe vp 2 AS A a U U De A Re 8
23. r is lost the Devireg 850 alarms the user At the same time the Devireg 850 automatically switches the system to Constant Off mode and user interaction with the Devireg 850 is needed Solution Acknowledge error and go to Installer Site in the menu system and select Change System Contact your local installer to get a replacement New sensor added Description When a new sensor is added the Devireg 850 alarms the user and at the same time automatically switches to Constant Off mode User interaction is needed in order to correct the error Solution Acknowledge error and go to Installer Site in the menu system and select Change System Sensor malfunction Description When something is wrong with the readings from connected sensors to the Devireg 850 an alarm is raised A Not all error prone sensors can be discovered using this feature Solution Acknowledge error and go to Installer Site in the menu system and select Change System Contact your local service centre to get a replacement 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 A Only change the Devireg 850 parameters if you are aw
24. r the customer The DEVI Guarantee shall not cover installations that have been carried out by non autho rised electricians faults which arise as a result of misuse by other suppliers damage caused by third parties incorrect installations or consequential damage All work will be invoiced in full if DEVI is required to inspect or repair faults that have arisen as a result of any of the above The DEVI Guarantee shall not extend to equipment which has not been paid in full DEVI will at all times provide a rapid effective and honest response to all queries and reasonable demands from our customers The above guarantee covers product liability only while purchases are subject to national legislation 36 The DEVI Guarantee Guarantee Certificate The DEVI Guarantee is granted to Name Address Postal code Phone Please observe In order to obtain the DEVI Guarantee the following must be carefully filled in See other conditions on previous page Electrical Installation by Installation date Type of thermostat Production code Suppliers Stamp DEVI A S DK 7100 Vejle Phone 45 76 42 47 00 Fax 45 76 42 47 03 37 38 39 Article 08095387 Version 01 02
25. replacing of the sensors is performed Add an extra sensor From the installer menu select Change system The system is searching for connected sensors Press Q to loop through the found new sensors or to cancel add sensor Press when the correct new sensor to add is found or Cancel add sensor is selected 3 Installer Manual If the user selected a new sensor to add the sensor 24 Technical Specification Technical Specification Technical data Voltage e Devireg 850 Power supply 18 26 VDC 180 250 VAC 50 60 Hz Power consumption e Devireg 850 Roof sensor s Ground sensor s Max 3 W Max 8W each Max 13W each Relay load capability Resistive load Alarm realy 230V 2A Resistive load System A relay 230V 15A Resistive load System B relay 230V 15A e Inductive load each realy 1A power factor 0 3 IP class Devireg 850 IP 20 Roof sensor s IP 67 Ground sensor s IP 67 u Ambient temperature Devireg 850 10 C to 40 C Roof sensor s 50 C to 70 C Ground sensor s 30 C to 70 C Roof sensor s Ground sensor s Tube ground sensor s Sensor type Devibus connected moisture sensor s Indication 2x 16 character illuminated display Alarm light red Lit info key yellow Measurements Depth x Height x Width Devireg 850 53 mm x 86 mm x 105 mm 15 mm x 23 5 mm x 216 mm
26. sured moisture is higher than the chosen limit for moisture Measured temperature is lower than the chosen melting temperature Temperature and moisture are measured continuously by the sensors Melting ice and snow The roof area is heated in periods of 3 hours Within that period a decrease in mois ture will stop the heating and activate post heating The post heating function can be disabled Measuring temperature The heating function is suspended every third hour meaning that the heating cables are turned off This is done in order to allow the sensors to measure the temperature without being influenced by the heated cables The temperature measurement may last up to 20 minutes If the measured temperature is higher than the chosen melting temperature the heating period is ended if not heating of the roof area is resumed after the temperature measurement 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 32 Appendix B Ground system Temperature lt Standby temperature Standby Temperature Standby The grou nd system IS U No heating Standby temperature Mantaining standby ia Temperature lt Melting temperature temperature fully automated It gathers peo Heating information on moisture E E Temperature Melting Melting
27. system s 22 3 Technical Specification Technical data 4 an 2 ca a nee de We On A a eee ue ee A 25 Factory settings Roof system 26 Factory settings Ground system 26 4 Appendix es see ra doses eue A M nu syStem x i OS le Ra Rd RR Ga Se qne ee we gr RD wh 27 Bibow it Works i 260 45 de bene x Dem es en ea Wee ete e y 32 Roof SYSTEMI 4o cR daca A ha cabs eens 32 Ground System i2 44 e pae ERR REY EUR sec Ros x a ee ak E 33 Security and energy consumption 34 C PSUandfeedercable iii a Rx e IRR AR EC 35 Ground SYStOM cule aee gue hi GU ee RR a A 35 Roof system isses hem RR Re Rh p o XR do ea a a 35 User Manual System overview The Devireg 850 system is capable of keeping outdoor areas free of ice and snow The Devireg 850 can handle up to 2 independent areas in any of the following combinations e Single roof system To keep gutters valley gutters and down pipes free of ice and snow and to prevent icicles from causing damage It is also possible to use the roof system to reduce remove the snow weight from a roof Roof system A Single ground system To keep areas like parking areas paths garage entrances steps ramps roadways and bridges free of ice and snow Ground systems A 1 ground system and 1 roof system combi system Consists of 1 sin
28. ted sensors see appendix A Installer menu 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 Standby temperature maintained ground temperature The higher the standby temperature the faster the system will be able to melt ice and snow On the other hand the higher the standby temperature the higher the running costs So determining the standby temperature is a trade off between fast melting or low running costs The factory setting is 3 C Moisture level The moisture level decides when the system detects moist The factory setting is 50 on a scale from 5 to 95 The lower the setting the more sensitive the system is to moisture Post heat Once the sensor has detected that the roof gutter is dry and free of ice and snow the system will keep heating for another hour default If you wish to increase decrease this time see appendix A Installer menu The factory setting is 1 hour on a scale from 0 to 9 hours Priority When using the Devireg 850 as a dual or combi system it is possible to prioritize the systems When the priority of 2 systems is equal both systems can heat at the same time If the priority of the 2 systems differs and both systems want
29. us for each system are shown to get more information about the current status O o A Roof 4 B Ground ESS ll Y o mmn A RiRooF E Ground ES 2 Standbu 5s gt Meltina o Select sustem A View and set Roof operating mode I a System A View sensor o measurenents Y Select sustem E View and set Ground operating mode System 10 B View sensor measurements O Only visible when System B is installdd Y Uiew alarm menu For a complete overview of the menu system please refer to Appendix A Menu system 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 A If the Devireg 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 The time is only updated when the system actually is allowed to heat the area e g the up prioritized system is not heating Solution Check gutter and down pipes for any obstacles preventing the melting water to flow away Check if sensors are covered with dirt Missing sensor Description When the connection to a senso
30. ut to get the best performance of a system 2 or more sensors are recommended For more information please refer to the sensor manual Roof sensor one or more At least 1 roof sensor is needed for each roof area but for complex roof constructions 2 or more sen Sors are recommended For more information please refer to the sensor manual For more information about the ice and snow melting function of the Devireg 850 please refer to Appendix B How it works User Manual General use The Devireg 850 is operated via 3 buttons and an alpha numeric display capable of displaying information in various languages Buttons The functions of the 3 buttons are Info Shows additional information help Only active when lit 9 Next Next menu entry next line next letter Enter Confirm select Besides the normal function of the buttons some special combinations are important to the user Return to home Hold for 2 seconds Return to home of menu system Master reset Hold for 8 seconds Restore factory defaults AND delete installed systems In case of insolvable problems due to a wrong choice of 9 language etc Display The following icons have a special meaning 55 This animated icon is shown when the system is heating When the icon is blinking the system wants to heat but is paused system has low priority This icon is shown when the system has detected moisture and the tempera ture is
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