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Installation instruction   

ECtemp 850 IV

© Danfoss |  2019.07 | 13

08097083 / VIMHE202

ECtemp 850 IV

PSU 24 VDC

DC output

DC supply

White

White

Red

Black

White

White

Red

Black

Sensor

Sensor

13

13 14 15 16 17 18 19 20 21 22 23 24

1 2 3 4 5 6 7 8 9 10 11 12

12

5

4

DEVIbus

TM 

 sensors

Red

Black

W

hit

e

W

hit

e

230 VAC

50–60 Hz

ALARM

2 A 250 V~

System A

15 A 250 V~

System B

15 A 250 V~

+

+

–

+

–

–

The ECtemp 850 has an integral alarm function that monitors the attached sensors 
and the in-built microprocessor. 
An external alarm may also be connected to the system.

Fig . A — 

Connection of ECtemp 850 IV

Summary of Contents for ECtemp 850 IV

Page 1: ...ECtemp 850 IV controller Danfoss 2019 07 Installation instruction...

Page 2: ......

Page 3: ...4 Changing parameters and performance of systems 9 2 Installer Manual 11 2 1 System overview 11 2 2 Placement 12 2 3 Connection steps for system 12 2 4 Installation steps for system systems 16 2 5 Mod...

Page 4: ...nd 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 A Single ground system To keep areas like parking areas...

Page 5: ...most exact readings when compared with corresponding analogue systems The result is optimum functionality and low energy consumption For more information about the ice and snow melting function of th...

Page 6: ...teinstalledsystems Incaseofinsolvableprob lemsduetoawrongchoiceoflanguage etc Hold for 8 seconds Display The following icons have a special meaning This animated icon is shown when the system is heati...

Page 7: ...The user can always press to get more information about the current status irrespective of view selected Menu system The menu system is navigated by the keys and No matter if the ECtemp 850 controls o...

Page 8: ...ECtemp 850 alarms the user At the same time the ECtemp 850 automatically switches the system to Constant Off mode and user interaction with the ECtemp 850 is needed Solution Acknowledge error and go...

Page 9: ...ystem detects moist The factory setting is 50 on a scale from 5 to 95 The lower the setting the more sen sitive the system is to moisture Post heat Once the sensor has detected that the roof gutter is...

Page 10: ...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 o...

Page 11: ...stems 2 4 sensors total minimum 1 sensor per system When more than 1 area is controlled by the ECtemp 850 system it is also possible to prioritize the areas Prioritizing makes it possible to operate 2...

Page 12: ...ble 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 Be aware of maximum allowable power...

Page 13: ...3 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 12 5 4 DEVIbusTM sensors Red Black White White 230 VAC 50 60 Hz ALARM 2 A 250 V System A 15 A 250 V System B 15 A 250 V The ECtemp 850 has...

Page 14: ...1 3 loads System A ECtemp 850 IV 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 L1 L2 L3 N L K1 K1 K1 1 x ln N 230 V cables 230 V cables 1 3 P 1 3 loads System B 13 14 15 16 17 18 19...

Page 15: ...cables 2 3Phase 1 3Loads SystemB ECtemp 850 IV 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 L1 L2 L3 N L K1 K2 K1 K2 400 V cables Direct connection System A 13 14 15 16 17 18 19 20 2...

Page 16: ...ollow 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 ECtemp 850 IV WELCOME TO ECTEM...

Page 17: ...ed sensors SYSTEM A SCANNING Select system type Roof SYSTEM TYPE ROOF Wait until correct number of sensors for System A is found 1 ROOF SENSOR FOUND ACCEPT Press when all sensors are found System A is...

Page 18: ...d sensors SYSTEM A SCANNING Select system type Ground SYSTEM TYPE GROUND Wait until correct number of sensors for System A is found 3 GROUND SENSOR FOUND ACCEPT Press when all sensors are found System...

Page 19: ...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 CONNECT SENSORS SYSTEM A System is being scanned t...

Page 20: ...ecked CHECKING SYSTEM Press to select system to configure CONFIG SYSTEM SYSTEM A Press to configure selected system naming sensors changing factory settings and setting priorities CONFIG SYSTEM SYSTEM...

Page 21: ...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 CONNECT...

Page 22: ...ecked CHECKING SYSTEM Press to select system to configure CONFIG SYSTEM SYSTEM A Press to configure selected system naming sensors changing factory settings and setting priorities CONFIG SYSTEM SYSTEM...

Page 23: ...can be reactivated If the malfunctioning is caused by an error prone sensor the error can be cor rected by replacing the error prone sensor with a new sensor It is not possible to delete a passive se...

Page 24: ...place the user should now select the new sensor ADD SENSOR ID 03ABC1 Press to loop through the found new sensors or to cancel replace sensor ADD SENSOR ID 03DEF1 Press when the correct new sensor to a...

Page 25: ...sensor s Ground sensor s 10 C to 40 C 50 C to 70 C 30 C to 70 C Sensor type DEVIbus connected moisture sensor s Indication 2 16 character illuminated display Alarm light red Lit info key yellow Measur...

Page 26: ...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 Ground system Function Factory settings Range Options Moisture level 50...

Page 27: ...truction ECtemp 850 IV Danfoss 2019 07 27 08097083 VIMHE202 4 Appendix A Menu system Main menu System B System A 5s 5s Only visible when System B is installed System menu Installer menu Return to main...

Page 28: ...IV 08097083 VIMHE202 28 Danfoss 2019 07 View sensor measurements View sensor measurements Roof systems View system parameters Roof system View sensor parameters View sensor measurements Ground system...

Page 29: ...Installation instruction ECtemp 850 IV Danfoss 2019 07 29 08097083 VIMHE202 Installer menu _ View statistics Change system Installer menu...

Page 30: ...30 Danfoss 2019 07 Change system Change system Only if any passive disabled sensors are working again If new sensor s found and passive sensor s found If new sensor s found but no passive sensor s fou...

Page 31: ...Installation instruction ECtemp 850 IV Danfoss 2019 07 31 08097083 VIMHE202 View statistic View statistics...

Page 32: ...rs Melting ice and snow The roof area is heated in periods of 3 hours Within that period a decrease in moisture will stop the heating and activate post heating The post heating function can be disable...

Page 33: ...usly 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 th...

Page 34: ...ated sensors which under normal circumstances will hold a temperature of 1 5 C In connection with measuring the area tempera ture heating of the sensor is turned off for 90 minutes at a time This is d...

Page 35: ...ill 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...

Page 36: ...360 200 4 mm 1200 600 310 if 2 sensors are used in a dual zone system ie 1 sensor in each zone 2 PSUs are required Roof System 1 pcs PSU 24 VDC 24 W 2 pcs PSU 24 VDC 24 24 W in parallel Number of sens...

Page 37: ...Installation instruction ECtemp 850 IV Danfoss 2019 07 37 08097083 VIMHE202...

Page 38: ...tations experience a problem with your Danfoss product you will find that Danfoss offers Danfoss warranty from the date of purchase on the following conditions During the warranty period Danfoss shall...

Page 39: ...c Heating Systems Ulvehavevej 61 7100 Vejle Denmark Phone 45 7488 2222 E mail heating danfoss com www heating danfoss com Name Address Postal code Phone Please observe In order to obtain the Danfoss w...

Page 40: ...Installation instruction ECtemp 850 IV 08097083 VIMHE202 40 Danfoss FEC 2019 07...

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