
Do you have a question about the Grundfos ALPHA 15-55 HWR-T and is the answer not in the manual?
| Model | ALPHA 15-55 HWR-T |
|---|---|
| Category | Water Pump |
| Type | Circulator Pump |
| Max. Operating Pressure | 145 psi |
| Frequency | 60 Hz |
| EEI | 0.20 |
| Max Head (metric) | 5.5 m |
| Protection Class | IP42 |
| Material | Cast Iron |
| Application | Recirculation |
| Port-to-Port Length | 6.5 inches |
| Max Flow Rate (metric) | 1.5 m³/h |
| Power Supply | Single-phase |
| Temperature Range | 36°F to 230°F |
| Liquid Temperature Range | 2°C to 110°C |
Explains symbols and notes for installation, safety, and service instructions.
Check product against order and nameplate, verify contents of the box.
Indoor installation requirements, necessary tools, and pump housing insulation.
Steps for physical installation, pipe connections, and safety warnings.
Procedure to remove air from the system, with hot water warnings.
Connecting power, initial pump operation, and indicator lights.
Instructions for rotating the pump head, including safety precautions.
Steps for mounting and connecting the temperature sensor, including pairing.
How to connect the power cord to the pump and indicators.
Procedure for safely disconnecting the power cord from the pump.
Overview of the ALPHA HWR-T system and its application in hot water recirculation.
Information about included or optional accessories like the temperature sensor.
Guidelines for pumped liquids and details from the product nameplate.
Lists various certifications and compliance marks for the product.
Explanation of the pump's display, buttons, and LED indicators.
Details the LED status on the temperature sensor for pairing and operation.
Graphical representation of the pump's performance characteristics.
Information on pump maintenance and how to replace the temperature sensor battery.
Troubleshooting guide for common pump issues and their solutions.
Specifications for supply voltage, temperature, pressure, and other operating parameters.











