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This is the login for Trane® Connect™ and other Trane® commercial applications. Trane® Connect™ is our secure, cloud-based customer portal to access your building systems to remotely monitor and manage building systems, and conduct routine maintenance.

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VariTrane® Round In Round Out

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VariTrane® Round In Round Out

Round Inlet/Round Outlet (VRRF) units are designed to improve energy efficiency and reduce overall operating costs in existing systems.

Typical VRRF retrofit applications include:

  • Bypass/replace existing mechanical regulator (air valve)
  • Upgrade building and/or unit controls (e.g. Pneumatic to BACnet™) with or without replacing the mechanical regulator (air valve)
  • Convert Constant Air Volume System to Variable Air Volume System
  • Convert pressure-dependent Variable Air Volume System to pressure independent Variable Air Volume System (e.g. Trane VariTrac™)
  • Convert Multizone (Dual Duct) Systems to Variable Air Volume System

VRRF units are also applied in non-retrofit or new applications, notably small building variable air volume systems also known as Zoned Rooftop Systems.

Overview

  • Available Sizes: 4 in. to 16 in.
  • Airflow Range: 0 - 4,000 cfm
  • Available for installation in both vertical and horizontal airflow
  • Optional adapter plate for easy integration with legacy Trane® VAV units
  • Optional LEED wrap for preventing contamination during the construction phase
  • Optional factory mounted, wired, tested, and commissioned pressure independent controls
    • DDC (Comm3 or Comm 4), LonTalk, BACnet Communication
    • Trane Air-Fi® Wireless Communication
  • Additional factory mounted, wired, tested options
    • Modulating actuator
    • Power fuse
    • Control power transformer
    • Toggle disconnect switch
    • Relay kits
    • Duct temperature sensor
    • Modulating hot water control valves

Round In Round Out Overview

Resources

Product Literature

Related Offerings

Services

Building Systems Upgrades

Technology continues to evolve - as do cyber-security defenses, and IT compatibility requirements, and customers’ productivity expectations.  Trane, as a leading BAS Controls provider, remains current with latest technology trends by innovating to deliver our customers secure, compatible, and feature-rich systems. By the time a typical building is a few years old, its systems are already falling behind. Trane can maintain a high performing building by keeping building automation, HVAC, lighting and central plants up to date with the latest BAS innovations.

HVAC System Retrofits

Not sure where to start? Trane’s experts can evaluate whether a retrofit or replacement will provide the better ROI. We are here to help!