PEDROLLO PRESFLO VARIO Automatic Control Device User Manual
- June 1, 2024
- pedrollo
Table of Contents
PEDROLLO PRESFLO VARIO Automatic Control Device
FAQ
- Q: Can I use PRESFLO VARIO for agricultural irrigation purposes?
- A: While PRESFLO VARIO is designed for domestic use, it can also be used for small-scale irrigation applications.
- Q: What is the maximum restart pressure that can be set on the device?
- A: The restart pressure on PRESFLO VARIO is adjustable, with a range from a minimum of 0.8 bar to a maximum of 2.4 bar.
INSTALLATION AND USE
PRESFLO VARIO is an electronic device designed to control and protect single-
phase domestic pumps with a power capacity of up to 2 HP.
It is ideal for water supply and pressure boosting in residential settings, as
well as for small-scale irrigation applications.
PRODUCT DESCRIPTION
- PRESFLO VARIO features a pressure sensor and a flow sensor linked to an electronic system that automatically activates the pump when a faucet’s opening lowers the pressure below a specified level and deactivates it when the flow stops or dips under 2 l/min.
- Adjustable restart pressure ranging from 0.8 bar to 2.4 bar.
- PRESFLO VARIO is also equipped with:
- Pressure Gauge
- Integrated micro-accumulation enables operation even without an expansion tank, though the use of a 1SF tank is recommended;
The integrated electronics protect the pump from:
- dry running
- frequent start-ups due to leaks in the system.
DIMENSIONS AND WEIGHT
TECHNICAL DATA
TYPE
Single- phase
| P2| Power supply| Continuous duty current
---|---|---|---
kW| HP| Volt| Hz
PRESFLO VARIO| 1.5| 2| 230| 50/60| 13 A
PERFORMANCE RANGE
- Maximum volume capacity: 170 l/min (10 m3/h)
- Restart pressure: adjustable (factory setting 1.5 bar)
APPLICATION LIMITS
- Liquid temperature up to +40 °C
- Ambient temperature up to +40 °C
- Maximum operating pressure 10 bar
- Protection rating: IP 65
PERFORMANCE AND SAFETY STANDARDS
- The electronic circuit board inside the PRESFLO VARIO has passed the most rigorous EMC tests for electromagnetic compatibility.
AVAILABLE UPON REQUEST
- Version with power cable with Schuko plug and pump connection cable
ADJUSTMENT
- PRESFLO VARIO has a knob for quick and intuitive adjustment of the restart pressure from a minimum of 0.8 bar to a maximum of 2.4 bar
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