Flow rates can be viewed by using the WWZ Al MB2 or MEH 97/uniTOWER display.
Access by pressing the top 2 buttons at the same time (possibly twice as usually the first press will light the display up)
Use the + button to scroll down the menu to installer level,
– press top right-hand button to select The access code is 17, use + button to adjust,
– press top right-hand button to select Use the + button to scroll down to Test menu,
– press top right-hand button to select Use the + button to scroll down to Sensor/Actuator test,
– press top right-hand button to select Press + button 10 times to view Building circuit: Flow rate
If the flow rate needs to be adjusted, then this can be accessed by following the below:
Access by pressing the top 2 buttons at the same time (possibly twice as usually the first press will light the display up)
Use the + button to scroll down the menu to installer level,
– press top right-hand button to select The access code is 17, use + button to adjust,
– press top right-hand button to select Use the + button to scroll down to Configuration,
– press top right-hand button to select Press the + button 7 times to Max. remaining feed head,
– press top right-hand button to adjust
Note. You may need to adjust max. remaining feed head and recheck the flow rate in test menu – sensor/actuator test – building circuit flow rate. Max remaining feed head parameter adjusts the pump in both heating and domestic hot water modes.