HVAC Drives can be programmed for any application.

Press Release Summary:



MCH Series can be used for centrifugal fans, blowers, pumps and cooling towers. Programming is via front panel keypad and 32-character, 2-line, English language backlit display. Drives have PID control, V/Hz profile for centrifugal loads, 66 programmable parameters, and RS485 communications. Options include input disconnect or circuit breaker, line reactor, and manual or automatic three-contactor bypass. Drives are available from 1-250 hp.



Original Press Release:


Contractor-Ready HVAC Drives Reduce Costs


CONTRACTOR-READY HVAC DRIVES REDUCE COSTS.

UXBRIDGE, MA October 11, 2001 A new series of HVAC drives from AC Technology Corporation promises to reduce costs for both contractors and end users and improve operating efficiency in applications such as centrifugal fans, blowers, pumps and cooling towers.

Pre-engineered for the most common HVAC configurations, the MCH Series lets contractors shorten lead times and speed up submittals and installations. Users of the new drives will benefit from AC Tech's experience with thousands of worldwide HVAC installations. Compared to other methods of flow control, the MCH promises improved system performance and substantial energy savings.

Designed for power supplies from 200 through 590 Volts the MCH Series has a power range from 1HP through 250HP. Buyers can specify the standard drive only or add enclosed options such as input disconnect or circuit breaker, line reactor, and either manual or automatic 3-contactor bypass.

Both the drive and options enclosures are made of rugged steel. When ordered with pre-configured options, all power and control wiring is done within the hinged lower enclosure. Because the drive section need not be opened, installation time is reduced and the possibility of installation errors is minimized.

With simple menu-driven programming, setup is easy. Programming may be done from the front panel through an eight button keypad fitted with large, finger- size buttons. Parameters are input by scrolling and read out in a 32-character, two line, English language backlit display.

An MCH can also be programmed with AC Tech's Tech Link software which makes programming and set-up quick and easy either on- or off-line and is available free from AC Tech's web site.

Flexibility is a principal benefit of the MCI-I Series. An operator can control equipment from either the MCH keypad, remote control devices, or from the building management system. The standard Hand-Off-Auto control can be accessed either from the drive keypad or from an external source.

Among the drive's many useful features is built-in PID Set Point Control which saves cost, space and set-up time Versus using a stand-alone controller to regulate temperature, pressure, and flow. The MCH also features V/Hz profile for centrifugal loads, 66 programmable parameters for complete flexibility, and built-in RS-485 communcations for building automation. The drive complies with IEEE specifications.

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