Introduction
This document provides a detailed guide on ITT's Lowara circulators, focusing on their role in creating an efficient indoor climate. It highlights the importance of choosing energy-efficient circulators to optimize heating and cooling systems, thereby reducing electricity costs.

Energy Labelling
The EU energy labelling system aids consumers in selecting energy-efficient circulators. A-class circulators, such as the Lowara Ecocirc Auto, can reduce energy costs by up to 80% compared to D-class pumps, lowering lifecycle costs and environmental impact.

Heating Systems

• Lowara Ecocirc Auto: An A-class circulator with automatic speed control, ideal for systems with large flow variations, featuring a reliable spherical motor design.
• Lowara Ecocirc Vario: Suitable for systems with small flow variations, offering variable speed adjustment for energy savings.
• Lowara TLC: Traditional circulators with manual speed control, suitable for most heating and cooling systems.

Solar Panel Systems

• Lowara TLCSOL: Designed for solar panel systems, capable of handling high and variable liquid temperatures, with insulation against condensation.

Cooling Systems

• Lowara TLCK: Suitable for various cooling systems, including air-conditioning and geothermal systems, with a condensation-insulated motor for low-temperature fluids.

Domestic Hot Water Systems

• Lowara Ecocirc Bronze: A low-energy circulator for domestic hot water, featuring a spherical motor design and variable speed settings.
• Lowara TLCB: Reliable bronze pumps with manually adjustable speed, ensuring efficient hot water supply.

Conclusion
Lowara circulators provide energy-efficient and reliable solutions for heating, cooling, and hot water systems. The guide includes specifications and performance data to aid in selecting the appropriate circulator.

Specifications and Selection Criteria
Choosing a pump requires determining flow and head requirements, considering factors like pipe dimensions and the number of radiators. The pump's duty point should be within 10% of its best efficiency point. ITT's pump selection program can assist in this process.

Installation Guidelines
For optimal performance, Lowara Ecocirc and TLC series pumps should be installed with the motor shaft horizontal and the cable fed from below.

Application Recommendations
Different Lowara pumps are recommended based on system requirements and building size, with options for standard and energy-saving models.

Pipe and Distance Considerations
Pipe dimensions and distance to the furthest tap point are crucial for selecting a circulator for domestic hot water systems, with specific recommendations for different pipe materials.

Replacement Guide
Guides are available for replacing pumps from other manufacturers with Lowara models, detailing port-to-port lengths and suitable models.

Pumps for Larger Properties
For larger properties, wet rotor circulators and dry motor in-line pumps are recommended for their cost-effectiveness and efficiency.

Lowara Hydrovar Pump Control Unit
This unit controls pump pressure automatically, offering energy savings and reduced maintenance costs, and can be integrated with existing systems.

Company Overview
Lowara, part of ITT Corporation, is a leading manufacturer of hydraulic pumps and water handling systems, with a global presence in water management, defense, and motion control.