
Do you have a question about the Grundfos CRN 10 and is the answer not in the manual?
| Protection Class | IP55 |
|---|---|
| Insulation Class | F |
| Pump Type | Centrifugal |
| Power Consumption | 0.37 - 1.5 kW |
| Material | Stainless Steel |
| Max Temperature | 120°C |
| Pump Housing Material | Stainless Steel |
| Frequency | 50 Hz / 60 Hz |
| Approvals | CE |
| Liquid Temperature Range | -10°C to +120°C |
Detailed explanations of codes used for pump version, pipe connection, and materials.
Detailed explanations of codes used for shaft seals and rubber parts.
Torque values for mounting and recommended minimum inlet pipe sizes.
Crucial safety warnings and general instructions for electrical connections.
Guidelines for field wiring, starting methods, and motor protection for different motor types.
Step-by-step guide on how to fill the pump with liquid and remove air.
Steps for starting the pump, including checking rotation and coupling guards.
Factors affecting performance and the importance of maintaining continuous flow to prevent damage.
Steps for inspecting the motor, including cleaning, electrical checks, and winding resistance.
Steps for safely removing the old motor and mounting the replacement motor.
Specific procedure for adjusting the motor coupling on CR 1s, 1, 3, and 5 models.
Specific procedure for adjusting the motor coupling on CR 10, 15, and 20 models.
How to measure, interpret, and correct for supply voltage variations.
Method for measuring motor current and diagnosing faults based on readings.
Procedure for measuring motor winding insulation resistance and its significance.
Guide to identifying and resolving issues when the pump fails to start or run.
Steps to diagnose and fix problems related to low output or no water flow.
Identifying and resolving causes for frequent pump start-stop cycles.
Diagnosing and resolving issues that cause fuses or overload relays to trip.











