Rotex Controller Series Product Documentation page 5

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8.1.8.4 Modulation running time .................................................................. 8-8
8.1.8.5 Modulation starting time .................................................................. 8-9
8.1.8.6 Modulation starting load .................................................................. 8-9
8.1.9 Control of communicating heat generators (H-GEN type 5) ................ 8-10
8.1.10 Flue Gas Temperature Monitoring ....................................................... 8-10
8.1.11 Charging pump (CHP) ......................................................................... 8-11
8.1.12 Primary pump (PP) .............................................................................. 8-12
8.1.13 Boiler circuit pump ............................................................................... 8-12
8.1.14 Parallel heat generator release (PHR) ................................................. 8-13
8.1.15 Return control ...................................................................................... 8-13
8.1.15.1 Bypass pump (..VV..) .................................................................... 8-14
8.1.15.2 Return control through controlled flow mixing (..3..) ...................... 8-14
8.1.15.3 Indirect return control .................................................................... 8-15
8.1.16 When to activate boiler sensor 2 .......................................................... 8-15
8.1.17 External heat generator disable ........................................................... 8-16
8.1.18 Adjustment of the heat generator according to the common flow
temperature .......................................................................................... 8-16
8.1.19 Features of fuel value heat generator via data bus (MCBA) (..C..) ...... 8-16
8.1.19.1 DHW charging in boiler control MCBA .......................................... 8-16
8.1.19.2 DHW operation in combined devices ............................................ 8-17
8.1.20 Heat generator forced dissipation ........................................................ 8-18
8.1.21 Operating hours counter ...................................................................... 8-19
8.2 Heating circuit ............................................................................................. 8-19
8.2.1 Weather controlled heating operation .................................................. 8-19
8.2.1.1 Heating Characteristic Curve ........................................................ 8-19
8.2.1.2 Heating Circuit Reduced Mode ..................................................... 8-21
8.2.1.3 Heating system (exponent) ........................................................... 8-22
8.2.1.4 Heating Circuit Temperature Limitation ......................................... 8-22
8.2.1.5 Heating Circuit Parallel Shift ......................................................... 8-23
8.2.1.6 Heating circuit pump extended running time ................................. 8-23
8.2.1.7 Screed function ............................................................................. 8-24
8.2.2 Assessment of the Room Temperature / Room Influence ................... 8-26
8.2.2.1 Heating Circuit with Room influence ............................................. 8-26
8.2.2.2 Room factor heating circuit ........................................................... 8-27
8.2.2.3 Room Controller Heating Circuit ................................................... 8-28
8.2.2.4 Heating curve adaptation heating circuit ....................................... 8-28
8.2.2.5 Heating Circuit Room Frost Protection Limit ................................. 8-29
8.2.2.6 Room Thermostat Function (Room Temperature
Maximum Limit) ............................................................................. 8-29
8.2.2.7 Heating Circuit Switch-on Optimisation ......................................... 8-30
8.2.2.8 Optimisation for room controller (RC) ........................................... 8-31
8.2.3 Mixer control ........................................................................................ 8-31
8.2.3.1 Proportional band Xp .................................................................... 8-31
8.2.3.2 Integral action time Tn ................................................................... 8-31
8.2.3.3 Sample time Ta ............................................................................. 8-32
8.2.3.4 Actuator Running Time ................................................................. 8-32
8.2.4 Function Heating Limit ......................................................................... 8-34
8.3 Domestic hot water control (..B..) ............................................................... 8-34
8.3.1 DHW Tank Loading (DHW) .................................................................. 8-34
8.3.2 Circulation pump (CIR.) ....................................................................... 8-39
8.3.3 Electrical Heating Element (ELH) ........................................................ 8-40
8.4 Solar function (..VV..) .................................................................................. 8-40
Product documentation THETA NORM/UNIT
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