Table of Contents
Important to keep in mind! ______________________ 6
Safety Instructions _____________________________ 6
Recycling _____________________________________ 6
1. Installation_________________________________ 7
1.1 Installation – HVAC __________________________ 7
1.1.1 Water Quality / Boiler Water __________________ 7
1.1.2 Glycol in boiler water________________________ 7
1.1.3 Built-in safety system (factory-fitted) ___________ 7
2. Overheating protection & Emergency operation8
2.1 Overheating protection (Thermal cut-off) ________ 8
2.2 Circuit breaker (72-498 kW) ___________________ 8
2.3 Emergency operation ________________________ 8
1.2 Installation – Electrical _______________________ 8
1.2.1 Re-tightening the power cable connections ____ 8
1.3 Installation – Ventilation _______________________ 8
1.4 Installation with external control (eg heat pump) __ 8
3. Servicing _________________________________ 10
3.1 Re-tightening the power cable connections_____ 10
3.1.1 Re-tightening performed____________________ 10
3.2 Replacing the air filter _______________________ 10
3.3 Safety valve function test ____________________ 10
4. Technical Data ____________________________ 14
4.1 Technical data EL 160 Eco, 69-156 kW ________ 14
4.1.1 Design data – EL 160 Eco __________________ 14
4.1.2 Pressure drop / Water resistance EL 160 Eco __ 14
4.1.3 Dimensions & Connections EL 160 Eco S _____ 15
4.1.4 Power steps EL 160 Eco ___________________ 16
4.2 Technical data EL 360 & EL 500 Eco __________ 18
4.2.1 Design data – EL 360 & EL 500 Eco__________ 18
4.2.2 Pressure drop/Water resistance EL360 & 500 Eco18
4.2.3 Dimensions & Connections EL 360 & 500 Eco S19
4.2.4 Power steps EL 360 Eco ___________________ 20
4.2.5 Power steps EL 500 Eco ___________________ 22
4.2.6 Example of power limitation _________________ 23
5. Built-in Safety System _____________________ 24
5.1 Design____________________________________ 25
5.2 General ___________________________________ 25
5.3 Safety valve 1______________________________ 25
5.4 Max. pressure switch PZ+ 2__________________ 25
5.5 Min. pressure switch PZ- 3___________________ 25
5.6 Max. thermostat TZ+ 4______________________ 25
6. Accessories ______________________________ 26
7. Control system ____________________________ 27
7.1 Factory-set values __________________________ 27
8. Menu overview ____________________________ 28
9. Detailed menu descriptions ________________ 34
9.1 Home screen ______________________________ 34
9.2 Description of icons_________________________ 34
9.3 Main menu ________________________________ 35
9.4 Alarm menu _______________________________ 35
9.4.1 Alarm description _________________________ 35
9.4.2 Operational information_____________________ 36
9.4.3 Saved operational info _____________________ 36
9.5 Advanced _________________________________ 36
9.6 Settings___________________________________ 37
9.7 Quick start ________________________________ 37
9.8 Time & Language __________________________ 37
9.8.1 Define system ____________________________ 38
9.8.2 Service __________________________________ 38
9.9 Write log to USB ___________________________ 39
9.10 Function Test ______________________________ 39
9.10.1 Update SW from USB ___________________ 40
9.10.2 Backup/reset settings from USB __________ 40
9.10.3 Reset highest boiler temperature __________ 40
9.10.4 Reset operating time calculator ___________ 40
9.10.5 Reset energy calculator __________________ 40
9.10.6 Reset history ___________________________ 40
9.10.7 Service timer ___________________________ 40
9.10.8 BMS Building Management automation ____ 41
9.10.9 BMS variables__________________________ 41
9.11 Outdoor Compensation – UTK _______________ 42
9.11.1 Heating curve ascension/inclination________ 43
9.11.2 Heating curve adjustment ________________ 43
9.11.3 Highest primary boiler temperature ________ 43
9.11.4 Lowest primary boiler temperature_________ 43
9.11.5 Reduced boiler temperature ______________ 43
9.12 Stage regulator ____________________________ 44
9.13 Deadband range ___________________________ 44
9.14 Delta T, deadband __________________________ 44
9.15 Current overload ___________________________ 45
9.16 Output control _____________________________ 45
9.17 Current limitation ___________________________ 45
9.18 Current sensors ____________________________ 45
9.19 Alarm messages ___________________________ 46
9.20 External power_____________________________ 46
10. Sensor resistors ___________________________ 47
11. Spare parts Eco series _____________________ 48
12. CE certificate _____________________________ 49
13. Appendices_______________________________ 52