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AAON Orion VCCX2 User Manual
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34
V
CCX2 Contr
oller T
echnical Guide
R
emote SA
T Reset Signal
A
Remote
Supply
Air
T
emperature
Reset
Signal
can
be
connected
to
AI6
for
applications
requiring
Remote
Reset
of
the
Supply
Air
T
emperature Setpoint. See
Figure 15, this page
.
Figure 15:
Remote SA
T Reset Signal Wiring Diagram
WIRING
R
emote SA
T R
eset
33
35
Table of Contents
Default Chapter
3
Table of Contents
3
Overview
9
System Features
9
Applications
10
Part Number Cross Reference
11
Parts and Descriptions
12
Controller with Enclosure Components
19
Figure 1: VCCX2 Controller with Enclosure Components
19
Figure 2: VCCX2 Controller Dimensions
20
Refrigerant System Module (RSM) (Typical)
21
Dimensions
20
VCCX-2 Controller
20
Figure 3: Typical Refrigerant System Module Dimensions (RSMV Shown)
21
Figure 4: VCC-X EM1 Expansion Module Dimensions
22
12-Relay E-BUS Module
23
VCC-X EM1 Expansion Module
22
Figure 5: 12-Relay E-BUS Module Dimensions
23
Table 1: Voltage and Environment Requirements
24
VCCX2 Controller Inputs
25
Wiring
24
Important Wiring Considerations
24
Figure 6: VCCX2 Controller Input Wiring
25
Figure 7: VCCX2 Controller Output Wiring
26
Figure 8: Figure 8: E-BUS Digital Room Sensor Wiring
27
E-BUS CO 2 Wall-Mounted Sensor
28
Figure 9: Wall Mounted E-BUS CO2 Sensor Wiring
28
Duct Mounted E-BUS CO 2 Sensor
29
Figure 10: Duct Mounted E-BUS CO2 Sensor Wiring
29
Figure 11: Space Temperature Sensor Wiring and Slide Adjust
30
Space Temperature Sensor
30
Figure 12: Supply Air Temperature Sensor Wiring
31
Supply Air Temperature Sensor
31
Figure 13: Return Air Temperature Sensor Wiring
32
Return Air Temperature Sensor
32
Building Pressure Sensor
33
Figure 14: Building Pressure Sensor Wiring Diagram
33
Figure 15: Remote SAT Reset Signal Wiring Diagram
34
Remote SAT Reset
34
E-BUS Outdoor Air Temperature Sensor
35
Figure 16: Outdoor Air Temperature Sensor Wiring
35
E-BUS Outdoor Air Temperature and Humidity Sensor
36
Figure 17: E-BUS Outdoor Air Temperature & Humidity Sensor Wiring
36
E-BUS Return Air Temperature and Humidity Sensor
37
Figure 18: E-BUS Return Air Temperature & Humidity Sensor Wiring
37
Figure 19: Static Pressure Transducer Wiring Diagram
38
Static Pressure Transducer
38
Figure 20: Supply Fan VFD Wiring
39
Supply Fan VFD or Bypass Damper Actuator
39
Economizer Actuator or WSE Actuator
40
Figure 21: Economizer Damper Actuator or WSE Valve Actuator Wiring
40
Figure 22: Modulating Heating Device Wiring
41
Modulating Heating Device
41
Building Pressure Control Outputs
42
Figure 23: Building Pressure Control Output Wiring Diagram
42
Entering H 2 0 Temp Sensor, RA Plenum, and Return/Exhaust Fan Proving
43
Figure 24: Entering Water Temperature Sensor, Return Air Plenum Pressure & Return/Exhaust Proof of Flow
43
Figure 25: Entering Water Temperature Sensor Location
44
VCC-X EM1 Entering Water Temperature Sensor
44
Figure 26: VCC-X EM1 Exhaust Duct Static Pressure & Economizer Actuator Feedback Wiring
45
VCC-X EM1 Expansion Module Inputs
45
Figure 27: VCC-X EM1 Expansion Module Output Wiring Diagram
46
VCC-X EM1 Expansion Module Outputs
46
Chilled Water Valve Actuator
47
Figure 28: Chilled Water Valve Actuator Wiring Diagram
47
Figure 29: Return Air Bypass Wiring
48
Return Air Bypass
48
12-Relay E-BUS Expansion Module
49
Figure 30: E-BUS 12-Relay Expansion Module Wiring
49
EBTRON ® , Greentrol TM , and Paragon Digital Transmitters
50
Figure 31: EBTRON ® GTC116 or HTN104 Series, Greentrol
50
Figure 32: RSMV Inputs Wiring
51
RSMV Controller Inputs
51
RSMV Controller Outputs
52
E-BUS Digital Room Sensor
27
VCCX2 Controller Outputs
26
Figure 33: RSMV Outputs Wiring
52
Wiring
53
Figure 34: RSMV-HP Inputs Wiring
53
Figure 35: RSMV-HP Outputs Wiring
54
Figure 36: RSMD Inputs Wiring
55
Figure 37: RSMD Outputs Wiring
56
RSMD Controller Outputs
56
Figure 38: RSMZ Inputs Wiring
57
RSMZ Controller Inputs
57
Figure 39: RSMZ Outputs Wiring
58
RSMZ Controller Outputs
58
Figure 40: Subcool Monitor Controller Wiring
59
Subcool Monitor Controller
59
Figure 41: MHGRV-X Controller to VCCX2 Controller Wiring
60
MHGRV-X Controller
60
Figure 42: MODGAS-X Controller to VCCX2 Controller Wiring Diagram
61
MODGAS-X Controller
61
Figure 43: MODGAS-XWR2 Controller to VCCX2 Controller Wiring Diagram
62
MODGAS-XWR2 Controller
62
PREHEAT-X and PREHEAT-X-EXT Controller
63
RSMD Controller Inputs
55
RSMV-HP Controller Inputs
53
RSMV-HP Controller Outputs
54
Figure 44: PREHEAT-X Controller to VCCX2 Controller Wiring
63
Figure 45: Modular Service Tool SD, Modular System Manager SD, System Manager TS-L, and Prism 2 Software
64
Start - up and Commissioning
64
Powering up and Configuration
64
Table 3: VCC-X EM1 Inputs & Outputs
65
Table 2: VCCX2 Controller Inputs & Outputs (Continued)
65
Table 2: VCCX2 Controller Inputs & Outputs
65
VCCX2 Controller Inputs
66
VCCX2 Controller Outputs
67
VCC-X EM1 Expansion Module
68
E-BUS 12-Relay Expansion Module
69
Inputs and Outputs
65
VCCX2 Controller and EM1 Module Input/Output Maps
65
Table 4: User-Configurable Relay Outputs
69
Sequence of Operations
70
Supply Fan and Occupied/Unoccupied Operation
70
HVAC Modes of Operation
71
Economizer Operation
73
Dehumidification Mode
74
Reheat, Coil Suction, and Return Air Bypass Damper
75
Heating Mode
76
Ventilation Mode, Remote Contact Control, and Space Sensor Operation
77
IAQ Control, Morning Warm-Up and Cool-Down, and Single Zone VAV
79
Airflow Monitoring, Pre-Heater, Low Ambient and Duct Static Press
81
Duct Static Setpoint Reset and Duct Static Pressure Control
82
Building Pressure Control and Exhaust Duct Static Pressure Control
83
MUA, CAV/MUA, and Space Temperature Control
84
VAV W/Sa Tempering, Air to Air Heat Pump and Standard Defrost
85
Heat Pump Adaptive Defrost, WSHP, EXV and Head Pressure
86
Evaporative Condenser, WSE, OA Lockouts and Temp Protection
87
Alarm Detection and Sensor Failure Alarms
89
Mechanical Failure and Failure Mode Alarms
91
Title 24 Economizer Alarms
92
Table 5: VCCX2 Controller Trend Logs
93
Table 6: RSMV/RSMD Module Trend Logs
93
VCCX2 Controller Trend Logs
93
RSMV/RSMD/RSMZ Trend Logs and Trend Log Enumerated Values
94
Table 8: Trend Log Enumerated Values
94
Table 7: RSMZ Module Trend Logs
94
Table 6: RSMV / RSMD Module Trend Logs (Continued)
94
RSMZ Trend Logs and Trend Log Enumerated Values
95
Table 10: RSMZ Module RSM Alarm Trend Log
95
Table 9: RSMZ Module Comp Status Trend Log
95
Table 11: RSMZ Module VFD Status Trend Log
96
Table 13: RSMZ Module VFD Alarm 2 Trend Log
96
Table 12: RSMZ Module VFD Alarm 1 Trend Log
96
Trend Log Bit String Decoding
97
Table 14: VCCX2 Trend Log Bit Strings
98
Table 14: VCCX2 Trend Log Bit Strings (Continued)
99
Troubleshooting
100
VCCX2 Controller and EM1 LED Diagnostics
100
Figure 47: VCC-X EM1 Expansion Module LED Locations
101
Table 15: 0-5V Temperature Sensor - Voltage & Resistance for Type III Sensors
102
Duct Static Pressure and Building Pressure Sensor Testing
103
Figure 46: VCCX2 Controller LED Locations
101
Temperature Sensor Testing
102
Table 16: Duct Static Pressure/Voltage for Duct Static Pressure Sensors
103
Table 17: Building Static Pressure/Voltage for Building Pressure Sensors
103
Appendix A - System Configuration
104
Figure 48: Available Operator Interfaces
104
Figure 49: Typical Stand-Alone System Layout
105
Figure 50: Typical Interconnected System Layout
106
Networked System Single Loop Layout
107
Interconnected System Layout
106
System Configurations
104
Stand-Alone System Layout
105
Figure 51: Typical Networked Single Loop System Layout
107
Appendix B - Vccx2 Lcd Screens
108
Figure 52: LCD Display and Navigation Keys
108
Navigation Keys
108
Table 18: Navigation Key Functions
108
Table 19: Editing Key Functions
108
Main Screens Map
109
Setting Screens
110
Status Screens
111
Alarm Screens
112
Output Override Screens
113
Air Balance Screens and Factory Test Mode Screen
114
Figure 53: VCCX2 Bacnet ® Connection to MS/TP Network
115
Appendix C - Vccx2 Bacnet
115
VCCX2 Bacnet ® Parameters
115
Index
137
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AAON Orion VCCX2 Specifications
General
Brand
AAON
Model
Orion VCCX2
Category
Controller
Language
English
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