VariTrane® Round In Round Out (VRRF) units are designed to improve energy efficiency and reduce overall operating costs in existing systems.
Typical VRRF retrofit applications allow customers to:
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 and convert pressure-dependent Variable Air Volume System to pressure independent Variable Air Volume System (e.g. Trane VariTrac™).
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