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1 = PWM 1
2 = PWM 2
3 =Analogue 0 ... 10 V with cable break function
4 = Analogue 0 ... 10 V without cable break function
•
Press the operating button for a short time to increase the value by 1.
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Repeat the process until the desired performance level is reached.
8.3
Key lock
Check in section "Information about the product" whether the pump is equipped with this function.
To activate the key lock, press the operating button for 9 seconds until all LEDs flash 3 times, then release it:
•
The settings can no longer be changed.
•
The LED of the selected control mode (Fig. I, Item 9) flashes constantly every second.
To deactivate the key lock, press the operating button for 9 seconds until all LEDs flash 3 times, then release
it.
•
The settings can be made again.
8.4
Factory setting
Resetting pump settings to the factory setting replaces the current pump settings
To reset the pump to factory settings (delivery condition), proceed as follows:
•
Press and hold the operating button for 2 seconds and switch off the pump.
•
Let go of the operating button.
•
Switch on the pump again.
The pump is reset to the factory setting.
8.5
Operation of the pump in the case of external flow
The pump can start and be operated in the case of positive external flow (generator operation) with up to
100 % of its maximum flow rate (e.g. pumps connected in series)
The pump can start and be operated in the case of negative external flow (turbine operation) with up to
20 % of its maximum flow rate.
NOTICE
The pump may still be live even in voltage-free state. The driven rotor induces a voltage
within the pump. This results in undefined flashing of the LEDs. This behaviour stops as soon
as the external flow stops or when the pump is connected to the power supply.
Installation and operating instructions • Wilo-Para MAXO/-G/-R/-Z • Ed.04/2024-11
en
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