Fan Coils and Water Source Heat Pumps50/50 Four Pipe System | Whalen Innoline

SKU: 50/50 Four Pipe System Whalen Innoline

With its unique ability to stage performance, the Innoline® 50/50 Four Pipe Fan Coil System is a game-changer.

Description

Whalen’s Innoline® 50/50 Four Pipe System features all the advantages of a conventional 4-pipe system but reduces pump and piping requirements by 50 percent.

During design day conditions, two pumps – each sized to carry 50 percent of the total flow – operate in parallel to deliver 100 percent of the hot or chilled water required.

Marginal days can be handled by either one or two pumps circulating hot or chilled water through one or both heat-exchangers.

This design also allows pump and motor usage to be staged as conditions require, keeping energy demands at a minimum.

 

Most buildings run at peak capacity only a few weeks during the year. The Innoline® 50/50 Four Pipe System takes advantage of this fact by using smaller pumps that can be staged to run fewer hours compared to a single larger pump.

Combine this with the operation of only one of the two fans during part of the year, and the energy savings are significant.

The Innoline® 50/50 Four Pipe System is practically maintenance-free, with only the filter requiring periodic replacement or cleaning. There are also no control valves and piping joints that can lead to leaks and service calls.

Lower Installed Costs

The overall system main size is reduced by 50 percent since each side of an Innoline® 50/50 Four Pipe System unit handles one-half of total cooling requirements. This translates into smaller standard pumps and reduced labor times.

By design, each unit is naturally balanced once the flow is established in the riser. The balancing and venting of individual units is a “task of the past.” Instead, you gain the benefits of a reverse return balancing system without the need to run an express riser within the building.

Increased Reliability

By designing the Innoline® 50/50 Four Pipe System unit with two equally sized heat exchangers, 50% system redundancy is provided during peak the heating and cooling seasons.

Advantages of Whalen Equipment

  • 
Less floor space required
  • Eliminates zone valves and transformers
  • Unit-mounted plug-in t-stat factory wiring
  • Higher BTU output with lower water temperatures
  • Horizontal piping eliminated
  • Installation time slashed
  • Less maintenance – filter change twice a year … motors permanently lubricated … no zone valve replacement headaches
  • No field wiring of transformers, zone valves or t-stats
  • No paint touch-up after installation
  • Quick venting of system

Advantages for Building Owners

  • Reduced operating costs:  Each side of the unit can operate independently, yielding energy savings from reduced pumping and fan horse power usage
  • A reduction in operating costs, with two fans per unit sized for 50 percent of total CFM required
  • Simplified maintenance procedures, thereby reducing costs
  • Elimination of all electric valves and flow control valves
  • Absence of brazed joints within the cabinet
  • Low maintenance – permanently lubricated … no valves … filter change only
  • Quiet operation
  • 4-pipe control during intermediate seasons
  • Design aesthetics – aluminum Grilles and no unsightly steel panels or access openings

Advantages for Contractors

  • 
No unit balancing or reverse return piping
  • No venting of individual units
  • Supply/return main costs are reduced due to 50% performance capability
  • Reduced number of solder joints
  • Small riser/drain grouping (10 in. core drill)
  • Galvanized cabinet is ideal for direct drywall application – no framing required
  • Uniform riser pipe sizing simplifies distribution of units in a building
  • Units can be installed early in the construction cycle
  • Significant reduction in total installation and operating costs

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