AAON VCCX2 User Manual

55VCCX2 Controller Technical Guide
SEQUENCE OF OPERATIONS
Trend Logs
VCCX2 TREND LOG BIT STRINGS
Item Bit Value Description
Alarm
Group 1
0 1 Bad Supply Sensor
1 2 Bad Return Sensor
2 4 Bad Outdoor Air Sensor
3 8 Bad Space Sensor
4 16 Bad CO2 Sensor
5 32 Bad Building Pressure Sensor
6 64 Bad Outdoor Airow Sensor
7 128 Bad Exhaust Airow Sensor
8 256 Bad Supply Airow Sensor
9 512 Bad Return Airow Sensor
10 1024 Missing Space Humidity
Sensor Reading
11 2048 Missing Mixed Air Temp Sensor
Alarm
Group 2
0 1 Mechanical Cooling Alarm
1 2 Mechanical Heating Alarm
2 4 Fan Proving Alarm
3 8 Dirty Filter Alarm
4 16 Emergency Shutdown Alarm
5 32 Relay Run Time Notication
6 64 Bad Economizer Feedback
7 128 Title 24 Failure Mode A
8 256 Title 24 Failure Mode B
9 512 Title 24 Failure Mode C
10 1024 Title 24 Failure Mode D
11 2048 Title 24 Failure Mode E
12 4096 Direct Fire Alarms
Alarm
Group 3
0 1 High Supply Air Temperature Cuto󰀨
1 2 Low Supply Air Temperature Cuto󰀨
2 4 High Control Temperature Alarm
3 8 Low Control Temperature Alarm
4 16 Preheater Alarm
5 32 Sump Drain Alarm
Table 18: VCCX2 Trend Log Bit Strings
VCCX2 TREND LOG BIT STRINGS
Item Bit Value Description
Alarm
Group 4
0 1 Missing Refrigeration Module 1
1 2 Missing Refrigeration Module 2
2 4 Missing Refrigeration Module 3
3 8 Missing Refrigeration Module 4
4 16 Missing Preheater Module
5 32 Missing MHGR-(V or X) Module
6 64 Missing MODGAS Module
7 128 Missing EM1 Expansion Module
8 256 Missing 12 Relay Expansion Module
9 512 Missing Sub Cool Module 1
10 1024 Missing Sub Cool Module 2
11 2048 Missing Evap Condenser Module
12 4096 Missing Fan Array Controller
Alarm
Group 5
0 1 Refrigeration Module #1 Alarm
1 2 Refrigeration Module #2 Alarm
2 4 Refrigeration Module #3 Alarm
3 8 Refrigeration Module #4 Alarm
4 16 Refrigeration Module #5 Alarm
5 32 Refrigeration Module #6 Alarm
6 64 Evap Condenser Module Alarm
Bin IN
0 1 Fan Proving
1 2 Dirty Filter
2 4 Hood On/O󰀨
3 8 Remote Occupied
4 16 Remote Cooling
5 32 Remote Heating
6 64 Remote Dehum
7 128 Emergency Shutdown
MainRly
0 1 Supply Fan Relay #1
1 2 VCCX2 Relay #2 Congurable
2 4 VCCX2 Relay #3 Congurable
3 8 VCCX2 Relay #4 Congurable
4 16 VCCX2 Relay #5 Congurable
5 32 VCCX2 Relay #6 Congurable
6 64 VCCX2 Relay #7 Congurable
7 128 VCCX2 Relay #8 Congurable
8 256 EM1 Relay #1 Congurable
9 512 EM1 Relay #2 Congurable
10 1024 EM1 Relay #3 Congurable
11 2048 EM1 Relay #4 Congurable
12 4096 EM1 Relay #5 Congurable

AAON VCCX2 Specifications

General

Brand	AAON
Model	VCCX2
Category	Controller
Language	English