AAON VCCX-IP User Manual

73VCCX-IP Controller Technical Guide
APPENDIX C: BACNET GUIDE
BACnet Connection to MS/TP or IP Network
MS/TP connection
to BACnet network
Wiring Notes:
1. All wiring to be in accordance with local and national electrical codes and specifications.
2. All communication wiring to be 18-gauge minimum, two-conductor, twisted pair with shield.
Use Belden #82760 or equivalent.
18-30 VAC
GND
Line Voltage
Size Transformer For
Correct Total Load.
VCCX-IP Controller = 15 VA
Programming Note:
Use Settings Menu in the LCD display
to program the BACnet settings.
®
SH
T -
R +
Typical Terminal Blocks. All
Wiring To Be R+ To R+, SH
(G)To SH (G) &T-ToT-
Ethernet connection
to BACnet network
ALARM
UP
DOWN
ENTERMENU
LT1785
LT1785
RELAY CONTACT
RATING IS 1 AMP
MAX @ 24 VAC
RS-485 COMM
LOOP WIRE
“R” TO “R”,
“T” TO “T”,
“SHLD” TO “SHLD”
24 VAC POWER
ONLY
WARNING!
POLARITY
MUST BE
OBSERVED
OR THE
CONTROLLER
WILL BE
DAMAGED
www.aaon.com
VCCX-IP
CONTROLLER
AAON P/N: ASM07424
BINARY INPUTS
BI1 = PROOF OF AIRFLOW
BI2 = DIRTY FILTER
BI3 = HOOD ON/OFF
BI4 = REMOTE OCCUPIED
BI5 = REMOTE COOLING
BI6 = REMOTE HEATING
BI7 = REMOTE DEHUMID
BI8 = EMERG SHUTDOWN
ANALOG INPUTS
AI1 = SPACE TEMPERATURE
AI2 = SPACE SLIDE OFFSET
AI3 = SUPPLY AIR TEMPERATURE
AI4 = RETURN AIR TEMPERATURE
AI5 = BUILDING PRESSURE
AI6 = SUPPLY AIR TEMP RESET
AI7 = OUTDOOR AIR TEMPERATURE
AI8 = NOT CONNECTED USE DUCT
STATIC CONNECTOR
LABEL P/N
G122040
DUAL
E-BUS
+24 VAC
GND
MAIN FAN
RELAY 2
RELAY 3
RELAY 4
RELAY 5
RELAY 6
RELAY 7
RELAY 8
RELAY
COMMON
BACNET +
BACNET SHIELD
BACNET –
= T
= SH
= R
DUCT
STATIC
10/100
ETHERNET
MAIN SUPPLY FAN VFD = AO1
ECONOMIZER / WSE = AO2
MOD HEATING = AO3
EXHAUST / RETURN = AO4
FAN VFD
USB FLASH
ONLY
Figure 25: VCCX-IP BACnet Connection to MS/TP or IP Network

AAON VCCX-IP Specifications

General

Brand	AAON
Model	VCCX-IP
Category	Controller
Language	English