EbV Product documentation THETA NORM/UNIT
II
5.6.1 HYDRAULIC Level ............................................................................. 5-40
5.6.2 SYSTEM level ..................................................................................... 5-42
5.6.3 DOMESTIC HOT WATER (Type ..B..) Level ....................................... 5-43
5.6.4 Selection levels unmixed circuit / mixed circuit 1 / mixed circuit 2 ....... 5-44
5.6.5 Heat generator level (..2..) ................................................................... 5-45
5.6.6 Raising Return Temperature Level ...................................................... 5-46
5.6.7 Solar Level (..VV..) ............................................................................. 5-46
5.6.8 Solid Fuel Level (..VV..) ...................................................................... 5-47
5.6.9 Buffer Level (..VV..) ............................................................................ 5-47
5.6.10 CASCADE CONTROL Level .............................................................. 5-48
5.6.11 BUS Level ........................................................................................... 5-48
5.6.12 RELAY TEST Level ............................................................................. 5-49
5.6.13 ALARM Level ....................................................................................... 5-49
5.6.14 Level SENSOR ADJ. .......................................................................... 5-49
6 General functions .................................................................................................. 6-1
6.1 Starting up .................................................................................................... 6-1
6.2 Controller configuration ................................................................................ 6-2
6.2.1 Complete reset ...................................................................................... 6-2
6.2.2 Basic settings and parameter preselection ............................................ 6-2
6.2.2.1 Switching Time Program Enabling .................................................. 6-2
6.2.2.2 Suppressing the cycle temperature on Time program level ........... 6-2
6.2.2.3 Eanbling separate operating modes and temperature changes ..... 6-3
6.2.2.4 Selection of Hydraulic Parameter Presettings (..F..) ....................... 6-3
6.2.2.5 Variable adaptation of hydraulic parameters
(variable inputs and outputs) .......................................................... 6-4
6.2.2.6 Temperature display in Fahrenheit ................................................. 6-6
6.2.2.7 Controller type code ........................................................................ 6-6
7 General controller functions .................................................................................. 7-1
7.1 Outside Temperature Measurement ............................................................ 7-1
7.1.1 Determination of long-time value and mean value ................................ 7-1
7.1.2 Building type .......................................................................................... 7-1
7.1.3 Heating Circuit Outside Temperature Assignment (Outdoor Sensor 2) 7-2
7.1.4 Alternative connection of the outdoor sensor to the boiler control (..C..) 7-2
7.1.5 Error display outdoor sensor during MCBA operation ........................... 7-2
7.1.6 Evaluation of the sensor errors MCBA .................................................. 7-2
7.2 Climate zone ................................................................................................ 7-3
7.3 Summer switch-off ........................................................................................ 7-3
7.4 System Frost Protection ............................................................................... 7-4
7.5 Pump and mix valve forced operation (Anti-blocking protection) ................. 7-6
8 Hydraulic components and their functions ............................................................ 8-1
8.1 Heat Generator: Boiler ................................................................................. 8-1
8.1.1 Heat Generator Start-up Protection (..2.., ..22.., ..C..) ........................... 8-1
8.1.2 Heat Generator Minimum Temperature Limit (..2.., ..22.., ..C..) ............ 8-2
8.1.3 Heat circuits minimum temperature limit ............................................... 8-2
8.1.4 Heat Generator Maximum Temperature Limit (..2.., ..22.., ..C..) ........... 8-3
8.1.5 Heat Generator Sensor Mode (..2.., ..22..) ............................................ 8-3
8.1.6 Minimum Burner Run Time (..2.., ..22..) ................................................ 8-4
8.1.7 Multi-stage Heat Generators/ Switching Differential (..2.., ..22..) .......... 8-4
8.1.8 Switching for modulating burners .......................................................... 8-7
8.1.8.1 Modulation P-band (Xp) .................................................................. 8-8
8.1.8.2 Modulation sample time Ta ............................................................. 8-8
8.1.8.3 Modulation integral action time Tn .................................................. 8-8
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