This documentation applies to the use of an MCH Series Variable Frequency Drive with BACnet protocol and should
be used in conjunction with the MCH Series Installation and Operation Manual (Document MH01) that shipped with
the drive. These documents should be read in their entirety as they contain important technical data and describe
the installation and operation of the drive.
ASHRAE and BACnet® are registered trademarks of the American Society of Heating, Refrigerating and Air-
Conditioning Engineers, Inc., 1791 Tullie Circle NE, Atlanta, GA 30329, http://www.bacnet.org.
Modbus ™ is a registered trademark of Schneider Electric, founder of Modbus-IDA, http://www.modbus-IDA.org.
© 2003 AC Technology Corporation
No part of this documentation may be copied or made available to third parties without the explicit written approval
of AC Technology Corporation. All information given in this documentation has been carefully selected and tested
for compliance with the hardware and software described. Nevertheless, discrepancies cannot be ruled out. AC
Tech does not accept any responsibility nor liability for damages that may occur. Any necessary corrections will be
implemented in subsequent editions.
About These Instructions
