Fan controllers sautomatically control fan speed to conserve energy

MPC Series automatic pressure-based fan controllers offer an improved way to automatically control fan speed to conserve energy.


https://facilityexecutive.com/2018/04/tjernlund-upgrades-automatic-modulating-fan-controllers/
MPC Series automatic pressure-based fan controllers offer an improved way to automatically control fan speed to conserve energy.
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Tjernlund Upgrades Automatic Modulating Fan Controllers

The improvements save energy for building owners and occupants

Fan controllers sautomatically control fan speed to conserve energy

MPC Series fan controllers from Tjernlund Products have replaced the company’s model CPC-3 controller and offer an improved way to automatically control fan speed to conserve energy. fan controllers

Models MPC and MPCI automatic pressure-based fan controllers are for exhaust and supply air systems. Benefits include reduced cost, simplified plug-and-play installation, two-button set point adjustment, and an integrated pressure transducer plus a choice of model (MPCI) with burner interlock and model (MPC) without burner interlock.

Automatic fan controllers save energy by monitoring pressure in exhaust and supply air vents and outputting a signal to adjust fan speed to maintain a desired chase/vent pressure set point as volumes change. Power consumption can be reduced by more than 50% compared to traditional fixed speed exhaust fans. What’s more, significant savings from conditioning smaller volumes of make-up air is achieved. Automatic fan speed control is commonly specified for exhaust chases in high-rises, apartments, and hotels. Specific applications include: bathrooms, kitchens, clothes dryers, and common vented boilers/water heaters.

MPC Series models can be used directly with most ECM powered fans or in conjunction with a VFD to control the speed of three-phase motor powered fans. Pressure set point is controlled to within 0.01″ W.C.

Both MPC models include a controller with integral pressure transducer factory-wired into field wiring ready terminal strips. Factory presets that fit a majority of applications can be adjusted with the simple two-button interface.

Additionally, MPC controllers feature 18-gauge galvanized steel electrical enclosures with hinged access doors. Large run and fault indicators are visible with access door closed. A fault indicator also emits an audible alarm. The alarm contacts can be tied to a building management system.

Model MPCI includes a burner circuit interlock for mechanical draft and combustion air applications. Expansion modules are available so multiple burner circuits can be interlocked with a single MPCI Controller.

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