Honeywell WEB-VA423B24N - Terminals

COMPACT VAV CONTROLLER WEB-VA423B24N – INSTALLATION INSTRUCTIONS
31-00362-01 4
TERMINALS
Table 4. WEB-VA423B24N: Overview of the terminals and functions
Terminal
Printing
Details
1
24 V~
Supply Voltage (24 V)
2
24 V0
Supply Voltage (GND), internally connected with terminal 10, 13 & 16
3
20 VDC
20 VDC power out
4,5
C1+, C1-
Removable BACnet MS/TP interface
6
SHD
Shield for external wiring support. It is not connected internally.
7,8
WM1, WM2
Removable interface for Sylk™ bus
9
UI-1
Universal Input 1
10
GND
Ground
11
UI-2
Universal Input 2
12
UI-3
Universal Input 3
13
GND
Ground
14
UI-4
Universal Input 4
15
AO-1
Analog Output 1
16
GND
Ground
17
AO-2
Analog Output 2
18
DO-1
Digital Output 1
19
COM
Supply voltage common terminal for DO. It is internally connected to terminal
21 but not to the controller's GND terminal.
20
DO-2
Digital Output 2
21
COM
Supply voltage common terminal for DO. It is internally connected to terminal
19 but not to the controller's GND terminal.
22
DO-3
Digital Output 3
23
IN 1-3
24V AC/DC input for DOs 1-3
Fig. 3. WEB-VA423B24N: Overview of terminals and functions