3064810_201804 47
24.Parameterdescription
Systemconguration01
Directheatingcircuitonthecondensingboiler+
optionaladditionalmixercircuitsviamixermodules
(factorysetting)
• Burner is enabled subject to demand from the direct
heating circuit or optionally connected mixer circuits
• Internal appliance pump is enabled as a heating circuit
pump
• Thermostatic boiler control
Setvalueisspeciedbytheheatingcircuitor
mixer circuits
• Input E2: not assigned
dHk
Systemconguration02
Oneormoremixercircuitsviamixermodules
(nodirectheatingcircuitonthecondensingboiler)
• Burner starts subject to demand from the connected
circuits with mixer
• Internal appliance pump is enabled as a feed pump
• Thermostaticboilercontrolsetvalueisspeciedby
mixer circuits
• Input E2: not assigned
MK1 MK2
MM
Systemconguration11
Plateheatexchangerforsystemseparation
• Burner is enabled subject to demand from the
header temperature control
• Feed/heating circuit pump (ZHP) enabled as a feed
pump for header demand
• Header temperature control
• Input E2: Header sensor
• Parameter HG08 (TVmax): 90 °C
• DHW cylinder connection see parameter HG61
SAF
SAF
E2
Hydraulic
separation
Low loss
header
Systemconguration11
Lowlossheaderwithheadersensor
• Burner is enabled subject to demand from the header
temperature control
• Internal appliance pump is enabled as a feed pump
• Header temperature control
• Input E2: Header sensor
• Parameter HG08 (TVmax): 90 °C
• Parameter HG14 (Output A1): HKP
• DHW cylinder connection see parameter HG61
E2
SAF
dHk
A1