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50VCCX2 Controller Technical Guide

SEQUENCE OF OPERATIONS

Alarms

Compressor Alarms

Compressor Module #1 - #6

In the Prism 2 Alarm Menu, Click OK on Compressor Alarms and

the following detail screen will appear: Refer to the individual RSM

Technical Guides for more details.

Figure 17: Prism 2 Compressor Alarms Screen

EVAP Module Alarms

In the Prism 2 Alarm Menu, Click OK on EVAP Module alarms

and the following detail screen will appear:

Figure 18: Prism 2 EVAP Module Alarms Screen

Table of Contents3
Table of Figures5
Table of Tables6
Overview7
Features7
Applications8
Part Number Cross Reference9
VCCX2 Controller Components11
Figure 1: VCCX2 Controller Components11
Dimensions12
VCCX2 Controller12
Figure 2: VCCX2 Controller Dimensions12
VCC-X EM1 Expansion Module13
Figure 3: VCC-X EM1 Expansion Module Dimensions13
12 Relay E-BUS Module14
Relay E-BUS Module Dimensions14
Wiring15
Important Wiring Considerations15
Table 1: Voltage and Environment Requirements15
VCCX2 Controller16
Figure 5: VCCX2 Controller Input Wiring16
Figure 6: VCCX2 Controller Output Wiring17
VCC-X EM1 Expansion Module18
Figure 7: Entering Water Temperature Sensor, Return Air Plenum Pressure and Return/Exhaust Proof of Flow18
Figure 8: Direct Fire Wiring18
Figure 9: VCC-X EM1 Exhaust Duct Static Pressure and Economizer Actuator Feedback Wiring19
Figure 10: VCC-X EM1 Expansion Module Output Wiring20
12 Relay E-BUS Expansion Module21
Airflow Station22
Figure 12: EBTRON GTC116 or HTN104 Series, Greentrol GA-200-N Series, and Paragon Microtranseq Series Airflow Measurement Digital Transmitter Wiring22
Start-Up and Commissioning23
Powering up and Configuration23
Figure 13: Operator Interfaces23
Inputs and Outputs24
VCCX2 Controller and EM1 Module Inputs/Outputs Maps24
Table 2: VCCX2 Controller Analog Inputs24
Table 3: VCCX2 Controller Binary Inputs24
Table 4: VCCX2 Controller Analog Outputs24
Table 5: VCCX2 Controller Relay Outputs24
Table 6: VCC-X EM1 Expansion Module Analog Inputs25
Table 7: VCC-X EM1 Expansion Module Binary Inputs25
Table 8: VCC-X EM1 Expansion Module Analog Outputs25
Table 9: VCC-X EM1 Expansion Module Relay Outputs25
VCCX2 Controller Inputs/Outputs Descriptions26
VCC-X EM1 Expansion Module Inputs/Outputs Descriptions28
User Configurable Relay Outputs29
Sequence of Operations30
Configuration Options30
Modes of Operation32
Alarms47
Figure 14: Prism 2 ALARM Button47
Figure 15: Prism 2 ALARM Menu47
Figure 16: Prism 2 Direct Fire Alarms Screen49
Figure 17: Prism 2 Compressor Alarms Screen50
Figure 18: Prism 2 EVAP Module Alarms Screen50
Trend Logs51
Table 11: VCCX2 Controller Trend Logs51
Table 12: RSMZ Module Trend Log51
Table 13: RSMV/RSMD Module Trend Logs52
Table 14: RSMZ Trend Log Enumerated Values52
Table 15: RSMZ Module Comp Status Trend Log53
Table 16: RSMZ Module RSM Alarm Trend Log53
Table 17: RSMZ Module VFD Status Trend Log53
Table 18: VCCX2 Trend Log Bit Strings55
Table 19: VCCX2 Trend Log Bit Strings (Continued)56
Troubleshooting57
LED Diagnostics57
Figure 19: VCCX2 Controller LED Locations58
Figure 20: VCC-X EM1 Expansion Module LED Locations58
Temperature Sensor Testing59
Table 20: 0-5V Temperature Sensor - Voltage and Resistance for Type III Sensors59
Pressure Sensor Testing60
Table 21: Duct Static Pressure/Voltage for Duct Static Pressure Sensors60
Table 22: Building Static Pressure/Voltage for Building Pressure Sensors60
Appendix A: System Configuration61
Options61
Stand-Alone System Layout62
Figure 21: Typical Stand-Alone System Layout62
Networked System Single Loop Layout63
Figure 22: Typical Networked Single Loop System Layout63
Networked System Multiple Loop Layouts64
Figure 23: Typical Networked Multiple Loop System Layout64
Appendix B: Lcd Screens65
LCD Display Screen and Navigation Keys65
Figure 24: LCD Display and Navigation Keys65
Table 23: Navigation Key Functions65
Table 24: Editing Key Functions65
Main Screens Map66
Screen Descriptions67
Table 25: Main Screens67
Table 26: Controller Screens67
Table 27: Settings Screens68
Table 28: Status Screens68
Table 29: Alarms Screens69
Table 30: Output Override Screens70
Table 31: Air Balance Screens70
Appendix C: Bacnet Guide71
Bacnet Connection to MS/TP Network71
Figure 25: VCCX2 Bacnet Connection to MS/TP Network71
Analog Inputs72
Analog Values80
Binary Inputs86
Enumerated Fields90
Table 32: VCCX Control Mode = Enumerated90
Table 33: VCCX Control Status = Enumerated90
Table 34: VCCX Mode Status = Enumerated90
Bitfields91
Table 35: RSMZ Warnings Status Bit Strings91
Table 36: RSMZ Faults Status Bit Strings91
Table 37: RSMZ Lockout Status Bit Strings91
Table 38: RSMZ Drive Status Bit Strings91
Table 39: RSMZ Module VFD1 Alarm Trend Log92
Table 40: RSMZ Module VFD2 Alarm Trend Log92
Bacnet Protocol Implementation Conformance Statement - VCCX2 V1.90 and Previous93
Bacnet Protocol Implementation Conformance Statement - VCCX2 V2.00 and on94

Brand	AAON
Model	VCCX2
Category	Controller
Language	English

AAON VCCX2 User Manual

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