Grundfos CRE Instrucciones De Instalación Y Funcionamiento página 14

4.3.4 Speed
Tolerance: ± 5 %
The actual pump speed will appear in this display.
4.3.5 Power input and power consumption
Tolerance: ± 10 %
This display shows the actual pump input power from the power
supply. The power is displayed in W or kW.
The pump power consumption can also be read from this display.
The value of power consumption is an accumulated value
calculated from the pump's birth and it cannot be reset.
4.3.6 Operating hours
Tolerance: ± 2 %
The value of operating hours is an accumulated value and cannot
be reset.
4.3.7 Lubrication status of motor bearings (only 20-30 hp)
This display shows how many times the motor bearings have
been relubricated and when to replace the motor bearings.
When the motor bearings have been relubricated, confirm this
action in the INSTALLATION menu. See section
4.4.14 Confirming relubrication/replacement of motor bearings
(only three-phase pumps). When relubrication is confirmed, the
figure in the above display will be increased by one.
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4.3.8 Time till relubrication of motor bearings
This display shows when to relubricate the motor bearings. The
controller monitors the operating pattern of the pump and
calculates the period between bearing relubrications. If the
operating pattern changes, the calculated time till relubrication
may change as well.
The displayable values are these:
• in 2 years
• in 1 year
• in 6 months
• in 3 months
• in 1 month
• in 1 week
• Now!
4.3.9 Time till replacement of motor bearings
When the motor bearings have been relubricated a prescribed
number of times stored in the controller, the display in section
4.3.8 Time till relubrication of motor bearings
the display below.
This display shows when to replace the motor bearings. The
controller monitors the operating pattern of the pump and
calculates the period between bearing replacements.
The displayable values are these:
• in 2 years
• in 1 year
• in 6 months
• in 3 months
• in 1 month
• in 1 week
• Now!
will be replaced by