In a nutshell, VRF is a ductless, large-scale system for HVAC that performs at a high capacity. Unlike split AC equipment, VRF allows multiple indoor units to run on the same system, which is designed differently depending on the application. VRF systems are considered either a heat pump system or a heat recovery system, which can heat and cool ...

2017年8月24日 · There are several factors to consider when laying out a VRF system and whether to use a multiport or single port branch selector box. The VRF branch selector box is where the magic happens in the way of diverting the refrigerant based on the space requirements.

Flex Branch Selector boxes offer the flexibility to install multiple branch selector boxes in series, in parallel, or a mix of both for ultimate flexibility. Refrigerant pipe routing can be customized based on project needs for Left or Right or Pass

Flow Selector boxes are required on the Toshiba Carrier VRF heat recovery system available in multiple styles and sizes. Combination of single port and multiport Flow Selector boxes provide ease and greater flexibility during piping layout for a given building.

With design flexibility, premium comfort, and superior performance, Samsung DVM S2 Variable Refrigerant Flow (VRF) HVAC systems offer just the right solution for any application. Discover our entire line of innovative VRF HVAC systems.

Easily accommodate future expansion with YORK® VRF Multi-port Changeover Box options. With multiple ports already in place, future mechanical and labor costs are reduced, offering effortless growth capabilities. The 8-port design is ideal for medium-sized areas that require various temperature settings.

Deliver heating and cooling simultaneously for maximum comfort. Available in two sizes, single-port change-over boxes are ideal for single zones that require individual heating and cooling control. Easily accommodate future growth with 4, 8 and 12 port change-over boxes.

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Reduce space requirements and energy costs with Toshiba VRF systems. Flexible indoor and outdoor units with efficient rotary compressors for commercial HVAC needs.

With the 4th generation SYSVRF2 AHU boxes, external evaporators with a capacity of 2.2 kW to 56 kW can be integrated into a Systemair 2-pipe SYSVRF, SYSVRF2 and Mini VRF system. Up to four SYSVRF AHU unit boxes can be used in parallel, allowing for a total capacity range of up to 224 kW in a single refrigerant circuit.