Technical data

Procon
Display or
QAA
Function / Description Range
Default Values
   
H Boiler setpoint at design outside temperature …  °C    
H
Minimum  ow setpoint temperature (
°C≤TvSmin≤TvSmax)
…  °C    
H
Maximum  ow setpoint temperature
(TvSmin≤TvSmax≤ °C)
…  °C    
H
Minimum DHW setpoint temperature (
°C≤TbwSmin≤TbwSmax)
…  °C    
H
Maximum DHW setpoint temperature
(TbwSmin≤TbwSmax≤ °C)
…  °C    
H Flow temperature setpoint boost with DHW heating …  °C    
H
Boiler frost protection switch-on temperature ( °C≤TkSfr
ostEin<TkSfrostAus)
…  °C    
H
Boiler frost protection switch-o temperature (TkSfrostEi
n<TkSfrostAus≤ °C)
…  °C    
H
Switch-o temperature for pump overrun (after DHW
heating)
…  °C    
H Boiler temperature setpoint boost with mixing circuit …  °C    
H Maximum limitation of boiler temperature (TL function ) …  °C    
H
Summer / winter changeover temperature ( °C: S / W
changeover deactivated)
…  °C    
H
Maximum control di erential; when exceeded, minimum
pause time will be aborted
…  K    
H
Maximum temperature gradient of boiler setpoint ramp
in heating mode (: no setpoint ramp)
… 
K/min

H Design outside temperature (for sizing the heating plant) -…  °C - - - -
H
Reduction of room setpoint when using time switch
(dTrAbsenk=: acting on heat demand)
…  K    
H
Delta  ow / return temperature at TiAussenNorm, . 
≤…≤ dTkTrMax
.…  K    
H Maximum dT of boiler  ow and return for dT supervision .…  K    
H Switch-on di erential of burner in heating mode .…  K    
H
Minimum switch-o
di erential of burner in heating
mode
.…  K    
H
Maximum switch-o di erential of burner in heating
mode
.…  K    
H
Switch-on di erential of burner in DHW heating mode
(sensor )
.…  K    
H
Minimum switch-o di erential of burner in DHW
heating mode (sensor )
-…  K    
H
Maximum switch-o di erential of burner in DHW
heating mode (sensor )
-…  K    
H
Switch-on di erential of burner in DHW heating mode
(sensor )
.…  K    
H
Maximum switch-o di erential of burner in DHW
heating mode (sensor )
-…  K    
H
Switch-on di erential of burner in DHW heating mode
(sensor )
.…  K    
H
Minimum switch-o di erential of burner in DHW
heating mode (sensor )
-…  K    
H
Maximum switch-o di erential of burner in DHW
heating mode (sensor )
-…  K    
H Heating curve slope heating circuit  …     
H Heating curve slope heating circuit  …     
H Room setpoint readjustment heating circuit  -…  K    
H Room setpoint readjustment heating circuit  -…  K    
H
Maximum speed at maximum output in heating mode
(maximum speed limitation)
… 
rpm
   
H Pump speed at heating plant’s design point …     
H Minimum pump speed permitted for the heating plant …      
H
Minimum pump speed for full charging of strati cation
storage tank
…      
H
Number of speeds of modulating pump (supplier
speci cation)
…     
