Grundfos NBE Series, Инструкция по установке и эксплуатации

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8.3.11 Confirming relubrication/replacement of motor
bearings (only 11-22 kW)
This function can be set to these values:
• Relubricated
• Replaced
• Nothing done .
When the bearing monitoring function is Active, the controller will
give a warning indication when the motor bearings are due to be
relubricated or replaced. See section
8.1.3 Fault indications .
When the motor bearings have been relubricated or replaced,
confirm this action in the above display by pressing "OK".
8.3.12 Standstill heating (only 11-22 kW)
The standstill heating function can be set to these values:
• Active
• Not active .
When the function is set to Active , a DC voltage will be applied to
the motor windings when the pump is not operating. The applied
DC voltage will ensure that sufficient heat is generated to avoid
condensation in the motor.
9. Setting by means of PC Tool E-products
Special setup requirements differing from the settings available
via the R100 require the use of Grundfos PC Tool E-products.
This again requires the assistance of a Grundfos service
technician or engineer. Contact your local Grundfos company for
more information.
10. Priority of settings
The priority of settings depends on two factors:
1. control source
2. settings.
2. Settings
• Operating mode Stop
• Operating mode Max (Max.curve)
• Operating mode Min (Min. curve)
• Setpoint setting.
An E-pump can be controlled by different control sources at the
same time, and each of these sources can be set differently.
Consequently, it is necessary to set an order of priority of the
control sources and the settings
.
Priority of settings without bus communication
Example: If the E-pump has been set to operating mode Max
(Max. frequency) via an external signal, such as digital input, the
control panel or R100 can only set the E-pump to operating mode
Stop .
Note
Relubricated cannot be selected for a period of
time after confirming relubrication.
1. Control source
Control panel
R100
External signals
(external setpoint signal, digital inputs, etc.).
Communication from another control system
via bus
Note
If two or more settings are activated at the same
time, the pump will operate according to the
function with the highest priority.
Priority Control panel or R100 External signals
1 Stop
2 Max.
3 Stop
4 Max.
5 Min. Min.
6 Setpoint setting Setpoint setting