Parameters WE Parameter level / Range of valuesHysteresis** 5 °C PA4 / 0 to 30 °CCharging temperature boost*** 10 °C PA4 / 0 to 50 °CLag of storage tank charging pump 0.5 PA4 / 0.1 to 10.0* Parameters serve as limitation of the adjustment range for the DHW temperature to be setat the rotary switch** Deactivation value T =DHW temperature +hysteresis*** Charging temperature T =DHW temperature +charging temperature boost6.1.1 DHW circuit additionally controlled by a globe valveIn systems Anl 7.1, 8.1, 9.1, 9.5, 11.1, 12.1, 13.1 and 21.1, the following version withglobe valve can be configured instead of the three-way valve control in the DHW circuit:Globe valve and temperature sensor VF2 are used exclusively for return flow temperaturelimitation in the schematics shown above. The pre-control circuit provides at least the sameflow temperature as in the standard schematic version which is calculated fromDHW tem-perature set point +Charging temperature boost +Boost set point of primary exchangercontrol.The functions and parameters of the DHW heating in the storage tank system are upgradedby the following settings:Function WE ConfigurationDHW circuit additionally controlled by aglobe valve0 CO4 -> F20 - 1Parameter WE Parameter level / Range of valuesMaximum return flow temperature 65 °C PA4 / 20 to 90 °CEB 5579 EN 85Functions of the DHW circuitKWWWSF1VF2ZPSLPRk2/Y2Fig. 9 · Schematics of a storage tank system with a globe valve for return flow temperature limitationRk2/Y2 Control circuit/valve 2SLP Storage tank chargingpumpSF1 Storage tank sensor 1VF2 Flow sensor 2ZP Circulation pumpWW Hot waterKW Cold water
