Grundfos 15 BMQE 05A-110, Product Manual & Instructions

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Instructions
EZ Boost TM System
The green and red indicator lights in the on/off button
indicate pump operating condition as follows:
Indication Description
Green indicator light
permanently on.
The system is operational.
Green indicator light off. The system is not operational.
Red indicator light
permanently on.
Pump has been stopped by
means of the On/Off button.*
*If the on/off button has been used to stop the pump, this
button must also be used for restarting.
Any alarm indication can be reset by pressing the on/off
button.
If the on/off button is pressed for more than 5 seconds,
the pump is started, irrespective of any active fault/alarm
indications and sensor signals.
When the on/off button is released, the pump will stop, if
the alarm still exists.
IMPORTANT:
Setting this button to the OFF position DOES NOT remove
power from the pump. Before servicing the pump, remove
power at the service breaker.
7.2.2. Indication of pump operation
On the graphical illustration on the EZ Boost controller
face, the pipe shows run lights when the pump is
operating. When the pump is not operating, none of the
flow indicator lights are on, see fig. 7.
Fig. 7
7.2.3 Pressure setting
The two arrow buttons on the EZ Boost controller front are
used for the pressure setting, see fig. 8.
Fig. 8
7.2.3.1 Indication of pressure setting:
The system pressure set is indicated by a yellow indicator
light, which is permanently on. Setting range: 40-100 PSI.
7.2.3.2 Arrow-up button:
When this button is pressed, the system pressure setting is
increased in steps of 10 PSI.
7.2.3.3 Arrow-down button:
When this button is pressed, the system pressure setting is
decreased in steps of 10 PSI.
7.2.3.4. Button locking
The buttons on the EZ Boost controller can be locked/
unlocked by pressing the two arrow buttons simultaneously
for 5 seconds.
NOTE:
When the arrow buttons are used for locking,
take care not to inadvertently change the pressure
setting. When the buttons are locked, the indicator light is
permanently on, see fig. 9.
You can use the following procedure:
1. Set the pressure one step up.
2. Press the arrow-down button as the first one when
pressing the two buttons.
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