VCB-X Controller Field Technical Guide
INDEX
107
C
CAV/MUA Dual Mode..........69
CFM Sensor Failure Alarm..........77
Chilled Water..........56
Chilled Water Valve..........45
Control..........5
Chilled Water Valve Actuator Wiring..........45
CO
2
Duct Sensor..........9
CO
2
Sensor
Duct Mounted..........24
Return Air..........24
CO
2
Sensor Failure Alarm..........75
CO
2
Wall-Mounted Sensor..........9
Coil Pressure/Voltage/Temp for OE275-01 Suction
Pressure Transducers..........88
Coil Temperature Reset..........64
Coil Temperature Switch Input Description..........57
Coil Temperature Switch LED..........78
CommLink 5..........11
Communication LEDs..........78
Communication Surge Protector Kit..........12
Components, VCB-X Controller..........18
Compressor Discharge Sensor Failure Alarm..........75,93
Compressor Heat..........71
Compressor LEDs..........78
Condenser Fan..........46
Condenser Fan ECM Motor and Condenser Fan VFD Wiring..........46
Condenser Fan Operation..........67
Condenser Fan VFD or Water Valve..........56
Condenser Fan VFD Signal..........60
Condenser Fan/Water Valve Operation..........70
Condenser Relay Description..........58
Condenser Water Valve..........46
Condenser Water Valve Actuator Wiring Diagram..........46
Condenser Water Valve Signal..........60
Con
fi
gurations
Interconnected System..........81
Interconnected System Layout..........83
Networked System Layout..........84
Network System..........81
Stand-Alone System..........81
Stand-Alone System Layout..........82
Con
fi
guring VCB-X..........55
Constant Air Volume Unit Overview..........6
Constant Volume Supply Fan..........6
Controller
Addressing..........54
Mounting Requirements..........19
Programming..........55
Voltage and Environment Requirements..........19
Control Temp Cooling Failure LED Blinks..........80
Control Temp Heating Failure LED Blinks..........80
Cooling Mode..........62
Cooling Stage Relay Description..........58
D
Damper Closing Alarm..........77
Damper Feedback Failure Alarm..........77
Damper Opening Alarm..........77
Data Entry Keys Described..........90
Defrost Coil Temperature Switch..........56
Defrost Cycle..........71
Dehumidi
fi
cation Capabilities..........5
Dehumidi
fi
cation Mode..........30,62
Remote Forced Dehumidi
fi
cation..........64
Return Air Bypass Damper Control..........64
Dehumidi
fi
cation Priority..........6
Diagnostic LEDs..........78,79,80
Diagrams
Building Pressure Control Output Wiring..........44
Building Static Pressure Sensor Wiring Diagram..........42
Chilled Water Valve Actuator Wiring..........45
Condenser Fan ECM Motor and Condenser Fan VFD
Wiring..........46
Condenser Water Valve Actuator Wiring..........46
Digital Compressor Discharge Temperature Sensor
Wiring..........31
Digital Compressor Unloader..........32
Duct-Mounted E-BUS CO
2
Sensor Wiring..........24
EBTRON Wiring..........51
E-BUS 12-Relay Expansion Module Wiring..........50
E-BUS CO
2
Sensor Wiring..........23
E-BUS Digital Room Sensor Wiring..........22
E-BUS Outdoor Air Temp & RH Sensor Wiring..........28
E-BUS Return Air Temp & RH Sensor Wiring..........29
Economizer Damper Actuator Wiring..........34
Entering Water Temperature Sensor..........40
Entering Water Temperature Sensors..........40
Head Pressure Transducer Wiring..........43
Interconnected System Layout..........83
Leaving Water Temperature Sensor Installation..........41
Leaving Water Temperature Sensor Wiring..........40
MHGRV-X Controller Wiring..........52
MODGAS-X Controller Wiring..........53
Modular Service Tool & Modular System Manager
Operator Interfaces..........55
Modulating Heating Device Wiring..........35
Networked System Layout..........84
Outdoor Air Temperature & Humidity Sensor Wiring..........28
Outdoor Air Temperature Sensor Wiring..........27
Paragon MicroTransEQ Wiring..........51
Return Air Temperature & Humidity Sensor Wiring..........29
Return Air Temperature Sensor Wiring..........39
Space Temperature Sensor Wiring..........25
Stand-Alone System Layout..........82
Static Pressure Transducer..........38
Suction Pressure Transducer Kit Wiring..........30
Supply Air Temperature Sensor Wiring..........26
Supply Air Temperature Sensor Wiring - Units Without
MODGAS or MHGRV..........26
Supply Fan VFD Wiring..........33
VCB-X Controller
Address Switch Setting..........54
Diagnostic LED Locations..........79
VCB-X Controller Input Wiring..........20
VCB-X Controller Output Wiring..........21
VCB-X EM2 Expansion Module Input Wiring..........48
VCB-X EM2 Expansion Module Outputs Wiring..........49
VCB-X Expansion Module 1 Input Wiring..........36
VCB-X Expansion Module 1 Output Wiring..........37
C-D
