Orion System VCM-X Modular E-BUS - Manual (Page 3)

TABLE OF CONTENTS
VCM-X E-BUS Modular Controller Technical Guide 3
START UP AND COMMISSIONING ....................................................................................................................48
Addressing & Powering Up ...........................................................................................................................48
Controller Addressing ..................................................................................................................................48
Power Wiring ..............................................................................................................................................48
Programming the Controller .........................................................................................................................49
Initialization .................................................................................................................................................49
Operating Summary ....................................................................................................................................49
INPUTS AND OUTPUTS .....................................................................................................................................50
VCM-X E-BUS Controller Inputs ...................................................................................................................50
VCM-X E-BUS Controller Outputs and Expansion Module Inputs & Outputs ..........................................51
VCM-X Expansion Module .............................................................................................................................51
4 Binary Input Expansion Module ................................................................................................................52
12-Relay Expansion Module ..........................................................................................................................52
SEQUENCE OF OPERATION .............................................................................................................................53
Operation Modes ...........................................................................................................................................53
Occupied/Unoccupied Mode of Operation ..................................................................................................53
HVAC Modes of Operation ..........................................................................................................................53
Remote Control of HVAC Mode ..................................................................................................................60
Supply Air Temperature Setpoint Reset ......................................................................................................60
Air Flow Monitoring .....................................................................................................................................61
Supply Fan Control .....................................................................................................................................61
Duct Static Pressure Control .......................................................................................................................61
Building Pressure Control ...........................................................................................................................62
CAV/MUA Dual Mode (Hood On/Off Operation) .........................................................................................62
MUA Unoccupied Operation .......................................................................................................................62
IAQ (CO
2
) Operation ...................................................................................................................................62
Pre-Heater Operation ..................................................................................................................................63
Heat Wheel .................................................................................................................................................63
Single Zone VAV Mode ...............................................................................................................................63
Outdoor Air Lockouts ..................................................................................................................................63
Supply Air Cutoffs .......................................................................................................................................63
VCM-X Controller Alarms ............................................................................................................................64
VAV/Zone Controller Alarms ........................................................................................................................65
Scheduling ..................................................................................................................................................66
Internal Trend Logging ................................................................................................................................66
Force Modes or Overrides ..........................................................................................................................66
VAV Terminal Unit Controller Compatibility .................................................................................................67
VAV/Zone System .......................................................................................................................................67
TROUBLESHOOTING .........................................................................................................................................68
LED Diagnostics .............................................................................................................................................68
APPENDIX ...........................................................................................................................................................70
System Confi gurations ..................................................................................................................................70
Stand-Alone System Layout .......................................................................................................................71
Interconnected System Layout ...................................................................................................................72
Networked System Layout ..........................................................................................................................73
Temperature Sensor Testing .........................................................................................................................74
OE265 RH Sensor Testing ..........................................................................................................................74
OE271 Pressure Sensor Testing .................................................................................................................75
OE258-01 Pressure Sensor Testing ...........................................................................................................76
OE275-01 Suction Pressure Transducer Testing for R22 and R410A Refrigerant ....................................77
INDEX...................................................................................................................................................................78