Wilo PW BOOST INITIAL 250EA, Инструкция по установке и эксплуатации

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10. FEATURES AND FUNCTIONS
1) There is an indicator light at the end of pressure switch. The meanings of the indicator
lights are as follows:
Item Indicator light Status
1 Light on Pump is working
2 Light flashing In the status of dry-running protection
3 Light off Pump is off
2) Pressure adjustment
The pressure screw can be rotated in order to change the set value of the pressure switch.
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• The pump cannot stop after closing the tap. The set pressure can be decreased by counter-
clockwise rotation of the pressure screw until the pump is able to stop.
• The pump cannot start after opening the tap. The pressure can be increased by clockwise
rotation of the pressure screw until the pump is able to start.
3) Function
Item Function Description
1 Automatic start Open the tap. When water flows out, the pump can automati -
cally work.
2 Automatic stop 6 to 8 seconds after the tap has been closed, the pump will
stop.
3 Dry-running protection Close the water inlet when the pump is working. The pump
will have the following performance: the pump runs for 8
minutes and then stops for 30 minutes; it runs for 8 minutes
and then stops for 30 minutes; it runs for 8 minutes and then
stops for 30 minutes. After 8 minutes of running time, the
pump is permanently in the shutdown state, at that time, the
pump is in the dry-running protection status. By opening the
water inlet, there are two ways to terminate the dry-running
protection:
1.
Switch the pump off and on again.
2. If water flows out, the pump can automatically terminate
dry-running protection.