Honeywell ComfortPoint Open CPO-VAV2A

CABLING
17 EN1B-0022 IE10 R0717
Figure 27 Controller wiring diagram for typical VAV application - with modulating valves, CPO-TR40 and TR42 Wall Modules
Figure 28 24 Vac power and IO wiring diagram
ByPass/Fan LED
CPO-VAV2A
485- 485+ FGND S-BUS S-BUS AI1 AGND AGND Temp Set Point DO4 COM AO2 AO1 DO6 COM DO5 DO3 FGND N24VAC S24VAC
DO1 DO2
TRIAC EQUIVALENT
CIRCUIT
DO for Integrated
actuator
AIRFLOW
PICKUP
L
H
+-
+
24V AC
-
24V AC COM
MSTP Channel
Shied should
be continuous
COM
Modulating valve :
3 wires external
powered 0...10V device
G0G
Y
AGND
G0G
Y
NET-1 NET-2
S-BUS S-BUS
CPO-TR40/42
1 2 3 4
0
1
2
3
4
5
6
7
8
9
Sylk Bus
Address Dial
ByPass/Fan LED
CPO-VAV2A
485- 485+ FGND S-BUS S-BUS AI1 AGND AGND Temp Set Point DO4 COM AO2 AO1 DO6 COM DO5 DO3 FGND N24VAC S24VAC
DO1 DO2
TRIAC EQUIVALENT
CIRCUIT
DO for Integrated
actuator
AIRFLOW
PICKUP
L
H
+-
24V AC
MSTP Channel
COM
G0G
Y
G0G
Y
AGND
240/24 Vac
Minimum 40VA
Always use same
phase to power
controls
AC/B
N
E
Transformer secondary
remains floating
No earth
LL
L
L
24V AC COM
3 wires external
powered 0...10V device
T
~
+-
4 wires external
powered 0...10V device
4...20mA
Temperature
Sensor
Potential free contacts