TABLE OF CONTENTS
2
RSMD Technical Guide
OVERVIEW ....................................................................................................................................... 4
Features and Applications ........................................................................................................................................ 4
Module Dimensions ................................................................................................................................................. 5
INSTALLATION & WIRING ............................................................................................................... 6
Input Wiring .............................................................................................................................................................. 6
Suction Pressure Sensor .................................................................................................................................... 6
Head Pressure Sensor ....................................................................................................................................... 6
Compressor Discharge Temperature Sensors .................................................................................................... 6
Output Wiring ........................................................................................................................................................... 7
Modulating Compressor ...................................................................................................................................... 7
Condenser Fan Signal ........................................................................................................................................ 7
INPUTS & OUTPUTS ....................................................................................................................... 8
SEQUENCE OF OPERATIONS ........................................................................................................ 10
Cooling Mode ......................................................................................................................................................... 10
Dehumidifi cation Operation .................................................................................................................................... 10
Head Pressure Control .......................................................................................................................................... 11
AAON/WattMaster Controls Inc.
8500 NW River Park Drive · Parkville, MO 64152
Toll Free Phone: 866-918-1100
PH: (816) 505-1100 · FAX: (816) 505-1101 ·
E-mail: mail@wattmaster.com
Visit our web site at www.orioncontrols.com
Copeland Digital Scroll™ is a registered trademark
of Copeland Corporation, Sidney, OH
WattMaster Form: AA-RSMD-TGD-01D
Copyright April 2018 WattMaster Controls, Inc.
AAON Part Number: V87380
AAON
®
is a registered trademark of AAON, Inc., Tulsa, OK.
Neither WattMaster Controls, Inc. nor AAON
®
assumes any
responsibility for errors or omissions in this document.
This document is subject to change without notice.
www.aaon.com
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