Controllers
◐ Controllers
FRI-1S variable frequency drive (1 phase)
FRI-1S single-phase variable frequency drive for pressure-based speed control of pumps. Highly user-friendly, requires no programming. Up to 6 units can be linked for pressure boosting.
Phase
1x230 V
Motor load
4.8 – 11.5 A
Output
20–50 Hz
Tank
mandatory (min. 2 L)
Pressure transmitter
4–20 mA 10 bar
Versions
4 models
Applications
- Domestic water supply, pressure boosting
- Irrigation systems
- Automatic pump control
Operating conditions
- ⚠ Installing a pressure tank is MANDATORY (min. 2 L, pre-charge = 60% of operating pressure)
- Supplied accessory: 4–20 mA pressure transmitter, 10 bar
- Pressure range: 0–10 bar
- Input: 1x230 V / 50 Hz, output: 1x230 V / 20–50 Hz
- Ambient temperature: 0–40 °C
- Cut-in pressure: operating pressure −0.3 bar (adjustable)
Functions and protections
- Overload protection
- Overvoltage protection
- Dry-running protection
- Soft start and stop
- Up to 6 units can be linked for pressure boosting
◐ Technical data
| Type | Motor | Motor load |
|---|---|---|
| FRI-1S-0.75 | 0.75 kW | 4.8 A |
| FRI-1S-1.1 | 1.1 kW | 7 A |
| FRI-1S-1.5 | 1.5 kW | 9.6 A |
| FRI-1S-2.2 | 2.2 kW | 11.5 A |
Interested in the FRI-1S variable frequency drive (1 phase)?
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