GRUNDFOS CIRCULATION PUMP ALPHA SOLAR 25-75 BL:130MM,1X230V 9H
GRUNDFOS CIRCULATION PUMP ALPHA SOLAR 25-75 BL:130MM,1X230V 9H
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High efficiency circulation pump ALPHA SOLAR 25-75 130
High-efficiency circulation pump ALPHA SOLAR for use in solar heating systems with variable or constant volume flow. However, high-efficiency pumps with electronically commutated motors (ECM), such as the ALPHA SOLAR, must not be controlled by an external speed controller that changes or varies the supply voltage.
The speed can be controlled via a pulse width modulated signal (PWM signal) supplied by the solar system controller in order to optimize the solar energy yield and the system temperature. This also significantly reduces the power consumption of the pump.
If no PWM signal is available, the ALPHA SOLAR can be set to one of 4 constant speeds. The pump is then only switched on and off via the control system.
Versions/Functions/Features:
- High efficiency EC permanent magnet motor technology
- Energy Efficiency Index (EEI) <= 0.20 according to EN 16297-3: 2012 Best in Class
- PWM Profile C. The PWM signal is a method for generating an analog signal from a
digital source
- 4 constant speeds
- Maintenance-free
- Low noise
- Easy installation
- Release screw
- Max. ambient temperature +70°C
Pumping medium:
Pumped medium: water
Media temperature range: 2 .. 110 °C
Media temperature during operation: 60 °C
Density: 983.2 kg/m³
Technical data:
Temperature class: 110
Test mark on the type plate: CE,EAC
Materials:
Pump housing: grey cast iron
Installation:
Maximum ambient temperature: 70°C
Max. operating pressure: 10 bar
Nominal diameter: G 1 1/2
Nominal pressure: PN 10
Installation length: 130 mm
Electrical data:
Power consumption P1: 2 .. 45 W
Mains frequency: 50 / 60 Hz
Rated voltage: 1 x 230 V
Maximum current consumption: 0.04 .. 0.48 A
Degree of protection (according to IEC 34-5): X4D
Thermal class (IEC 85): F
Miscellaneous:
Energy Efficiency Index (EEI): 0.20
Net weight: 1.88 kg
Gross weight: 2.07 kg
Shipping volume: 0.004 m³
Manufacturer of the planning: Grundfos
Type of planning: ALPHA SOLAR 25-75 130
Product number PN: 98989299
with Energy Efficiency Index (EEI)<= 0.20
| Material quality | Other |
| Electrical connection | Connection cable with plug |
| Protection class (IP) | IPX4 |
| Housing material | cast iron |
| Nominal inner diameter | DN15 |
| Connection | External thread gas cylindrical (BSPP) |
| Max. medium temperature (continuous operation) (°C) | 110.0 |
| Min. medium temperature (continuous operation) (°C) | 2.0 |
| Pressure level flange | PN10 |
| Pressure Level Article | PN10 |
| Rated current (A) | 0.48 |
| frequency | 50/60Hz |
| Oval flange shape | No |
| Communication bus | Without |
| Motor speed control | Built-in |
| Connection voltage | 1 x 230V |
| Discharge head at nominal flow rate (kPa) | 32.21 |
| Insulation class according to IEC | F |
| Motor power consumption (P1) (W) | 45.0 |
| Nominal volume flow (m³/h) | 1.85 |
| Pump height (mm) | 128.0 |
| Material impeller/pump wheel | plastic |
| Installation length (mm) | 130.0 |
| Type of speed control | Stepless |
| Width 1 (mm) | 72.0 |
| Width 2 (mm) | 45.0 |
| Double pump | No |
| Connection dimensions pump housing | 1 1/2 inch |
| Power consumption of the pump (solpump) (W) | 45.0 |
| Power consumption of the pump in standby mode (solstandbypump) (W) | 2.0 |
| Energy Efficiency Index (EEI) | 0.2 |
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