Orion System Dual Electronic Expansion Valve Module - Manual (Page 2)

Table of Contents
GENERAL INFORMATION ................................................................................................................................. 3
Overview ......................................................................................................................................................................................3
Features .......................................................................................................................................................................................4
Adjustable Setpoints.....................................................................................................................................................................4
Confi gurations ..............................................................................................................................................................................4
UNIT START-UP PROCEDURES ........................................................................................................................ 5
DIMENSIONS AND MOUNTING ........................................................................................................................ 6
INSTALLATION & WIRING ................................................................................................................................ 7
INPUTS/OUTPUTS ............................................................................................................................................ 8
I/O Map.........................................................................................................................................................................................8
Stand Alone Input Commands......................................................................................................................................................8
SEQUENCE OF OPERATION ............................................................................................................................. 9
Initialization...................................................................................................................................................................................9
Normal Operation .........................................................................................................................................................................9
Modulation Routine ......................................................................................................................................................................9
DIAGNOSTICS ................................................................................................................................................ 10
Alarms ........................................................................................................................................................................................10
LED Descriptions........................................................................................................................................................................10
LED SCREENS ................................................................................................................................................ 12
Navigation and Main Screens Map ............................................................................................................................................12
Protected Screens Map and Main Menu Screens ......................................................................................................................13
Status V-A/B and V-A/B Alarm Screens .....................................................................................................................................14
Force Valves Screens ................................................................................................................................................................15
Setpoint Screens ........................................................................................................................................................................16
Confi guration Screens ................................................................................................................................................................17
Diagnostic Screens ....................................................................................................................................................................18
TROUBLESHOOTING ...................................................................................................................................... 19
OE275-01 Suction Pressure Transducer Testing for R410A Refrigerant ........................................................................................ 20
Coil Temperature Sensor Testing ...............................................................................................................................................21
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: [email protected]
Visit our web site at www.orioncontrols.com WattMaster Form : AA-EXV-TGD-01A
Copyright January 2012 WattMaster Controls, Inc.
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Neither WattMaster Controls, Inc. nor AAON ® assumes any
responsibility for errors or omissions in this document.
This document is subject to change without notice.
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