Product Overview

©Taco Catalog #100-121 Eective Date: 09/04/15

Supersedes: New Printed in USA

Viridian® — VR3452

The Viridian VR3452 circulator is a self-adjusting, high-eciency wet rotor circulator

for chilled and hot water applications. All settings can be accomplished on the

user-friendly interface. The ECM permanent magnet motor saves up to 85% of

the electrical energy compared to conventional pumps.

Operating Modes:

• Auto mode (default)

• Proportional pressure control

• Constant pressure control

• Constant speed

• Night setback turndown

Water Circulation

Pumps & Circulators

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Water Circulation Pumps & Circulators Viridian® — VR3452 The Viridian VR3452 circulator is a self-adjusting, high-efficiency wet rotor circulator for chilled and hot water applications. All settings can be accomplished on the user-friendly interface. The ECM permanent magnet motor saves up to 85% of the electrical energy compared to conventional pumps.
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Features & Applications ECM wet rotor circulation pump with integrated electronic regulation.
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VR3452 Performance Data 40 VR3452 with control module 35 A Minimum Speed B Maximum Speed B 30 SHADED AREA IS OPERATING RANGE Head, H (ft) 25 20 15 10 5 A 0 0 10 20 30 40 50 60 Flow, Q (GPM) A VR3452 without control module H AUTOMATIC MODE (factory setting) In automatic mode the pump automatically sets the operating pressure, depending on the hydraulic system. By doing so, the pump finds the optimal operating position. This mode is recommended in most systems. H H Max.
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Submittal Data # 101-173 Supersedes: New Submittal Data Information Viridian® — VR3452 Effective: 08/04/15 Applications The VR3452 circulator is used for circulation of water or a mixture of water/ • Maximum Shutoff Head: 34 feet glycol in hot water heating systems, air conditioning systems and closed loop • Maximum Flow: 52 gpm circulation systems.