AAON VCCX-454 - Networked System Multiple Loop Layouts; Figure 30: Typical Networked Multiple Loop System Layout

73VCCX-454 Controller Technical Guide
APPENDIX A: SYSTEM CONFIGURATION
Networked System Multiple Loop Layouts
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
SHLD
T
R
T
G
R
RS-485 LOOP
Unit Controller
(VCCX-454 shown)
Local
Local
18-30 VAC
(6 VA)
MiniLink PD 5 Loop 1
Line Voltage
18-30 VAC
(15 VA)
Line
Voltage
18-30 VAC
(10 VA)
Line
Voltage
VAV/Zone
BACnet (VAVZB)
Controller
Package
®
Typical terminal blocks. All wiring to be T to T, SHLD (G) to SHLD (G) & R to R.
Multiple VAV/Zone BACnet
®
Controllers
can be connected to a single transformer if desired. However, polarity must be observed or damage to the Controller(s) will result. Please refer to the VAV/Zone BACnet
®
Controller Package Technical Guide for transformer sizing.
Connect to next
VAV/Zone BACnet
®
Controller
on local loop
Line
Voltage
18-30 VAC
(10 VA)
VAV/Zone
BACnet (VAVZB)
Controller
Package
®
Line
Voltage
18-30 VAC
(10 VA)
VAV/Zone
BACnet (VAVZB)
Controller
Package
®
Line
Voltage
18-30 VAC
(10 VA)
VAV/Zone
BACnet (VAVZB)
Controller
Package
®
Line
Voltage
18-30 VAC
(10 VA)
VAV/Zone
BACnet (VAVZB)
Controller
Package
®
Note: CommLink Must Be Set
For Multiple Loop Operation
110VAC to 24VAC Power Pack
CommLink 6
Front View
Back View
Network
Network
18-30 VAC
(6 VA)
MiniLink PD 5 Loop 2
Line
Voltage
Network
Network
Connect to MiniLink PD 5 Loop 3
Local
Local
Connect to Loop 2 HVAC Unit Controller and VAV/Zone BACnet
®
Controllers
Note: Program and configure the Orion system via
Prism II software.
T
T
LOCAL
NETWORK
SH
SH
R
R
LOCAL
LOOP
WIRE
TERMINALS
NETWORK LOOP WIRE TERMINALS
ADDRESS DIP
SWITCH
24 VAC POWER ONLY WARNING! POLARITY MUST BE OBSERVED OR THE BOARD WILL BE DAMAGED
LABEL P/N:
G124890
www.aaon.com
+24 VAC
GND
1 2 4 8
16 32
NET
LOOP
ON
FOR
HI
SPD
OFF
MINILINK PD 5
AAON P/N: ASM01626
T
T
LOCAL
NETWORK
SH
SH
R
R
LOCAL
LOOP
WIRE
TERMINALS
NETWORK LOOP WIRE TERMINALS
ADDRESS DIP
SWITCH
24 VAC POWER ONLY WARNING! POLARITY MUST BE OBSERVED OR THE BOARD WILL BE DAMAGED
LABEL P/N:
G124890
www.aaon.com
+24 VAC
GND
1 2 4 8
16 32
NET
LOOP
ON
FOR
HI
SPD
OFF
MINILINK PD 5
AAON P/N: ASM01626
Note:
LOOP
USB STAT
ETH LINK
ETH RX
USB TX
USB RX
ETH STAT
ETH TX
SOFTWARE
SERIAL #
10/100
ETHERNET
COMPUTER
USB
LNK
LOOP BAUD
485 LOOP
POWER
2D
BARCODE
MULTIPLE
SINGLE
ACT
HIGH
LOW
R
SHLD
GND
24VAC
(+)
T
(-)
CommLink 6
COMM USB NETWORK
Figure 30: Typical Networked Multiple Loop System Layout