Fan Powered Under Floor Cooling Only Box

The series box shown in figure 1 along with a parallel fan powered and a cooling only shut off box includes a supply fan in series with the vav damper.

Fan powered under floor cooling only box.

Lasko 20 inch power plus box fan 3 gray 4 4 out of 5 stars 112 17. Sst models are designed for the most demanding applications utilizing stealth technology with low sound levels that lead the industry. In series fptus the fan is running constantly in both heating and cooling modes. Camair bx100 high performance box fan light gray.

To be the most effective a box fan needs plenty of air behind them you can set it up on a. Low profile series fan powered terminal with sensible cooling coil for outside air. Because the fan only handles the heating airflow which is typically less than the cooling airflow the fan can be smaller than the fan in series fptus. The primary air and recirculated air sections operate independently of one another while both sections are controlled by the same input signal.

Box fans are large and usually not very quiet but they are very effective at cooling a larger space. This type of terminal unit provides a constant volume of air to the space but varies the ratio of plenum air to primary air to maintain the desired temperature. 4 speeds natural wind timer quiet operation seven blades adjustable angle desktop personal cooling fan for office living room bedroom 4 2 out of 5 stars 54 22. Series boxes can ensure that the space is supplied with a constant amount of air at any rate the designer chooses regardless of the supply air quantity required to meet thermal loads.

A fan powered terminal unit fptu commonly referred to as a fan powered box fpb is an air terminal unit which contains both a primary air inlet as well as a local motor and blower assembly. This design allows the primary airflow to supply the cooling demand similar to single duct terminal units leaving the recirculating air section to provide the heating air volume. Quiet type with dissipative silencers and hospital grade boxes are also available. The primary doas air is then sized for both the cooling load and the minimum ventilation air so the vav part of the box modulates the cool primary supply air to meet the load while the fan powered recirc air provides reheat capability.

Nailor 3000 and 3100 series terminal units are among the most versatile vav boxes on the market providing easy hvac system integration with diverse control packages. Premium pff208g black 4 5 out of 5. Fantom iq analog series fan powered terminal. Ftw fan coils.

The fan supplies a constant volume of air to the space consisting of primary air from the cooling system mixed with ceiling plenum re turn air. Analog low profile parallel fan powered terminal. Nailor 35s 37s 35sst and 37sst series fan powered boxes are available in cooling only electric reheat or hot water reheat models. This air mixes with the primary air from the air handler and is then run over a heating coil.

Pneumatic parallel fan powered terminal.