Orion System VAV/Zone Controller - Manual (Page 4)

Technical Guide
VAV/Zone Controller 4
Figure 3: VAV/Zone Controller Component Locations
ACTUA
T
O
R
EXP
ANSION
NET
ADD
8
32
16
2
4
1
SW1
U1
EEPROM
CX1
C2 C4
U3
U2
CX6
U6 RN1
CX9
CX10
EPROM
CX11
U9
PAL
U10
U11
PJ4
AIRFLOW
SP
ACE
SENSOR
PJ3
R25
R24
D5
C12
R21 R22
JP2
U7
CX7
C9
C10
C
1 1
TB2
AIN
GND
AUX
C13
L1
PWR RV1
VR1 R33
CX4
U4
CX3 C5 C7
R1
R9
R8
R7
R6
R5
R4
R3
C1 C3
R10
R14
R15
R19
R20
R18
SCAN
REC
Q3
D1
D2
Q1
Q2
X1
U5 C8
R16
C6
D4
D3
R32
R23 U8
CX8
C14 OUT IN
P1 P2
K1
K2
PJ2
PJ1
WDOG
JP1
VAVZ CONTROLLER
YS101854 REV. 2
R36
R35
R37
R38
P3
HAND
HELD
Mini DIN Connector
Connect Modular Service
Tool Here For Programming
Typical
Pin 1
Indicator
RAM
Chip
Snap Track
For Controller
Mounting
Jumper For Pressure
Independent Airflow
Operation. Must Be On
For High Velocity
Terminal Configurations
And Removed For Low
Velocity Applications
EPROM
Chip PAL
Chip
Communications
Driver Chip
Air Flow Sensor
Modular Connector
AUX- Supply Air
Sensor Wiring
Terminals
(When Used)
Space Temp Sensor
Modular Connector
Expansion Board
Modular Connector
“SCAN” LED
“REC” LED Power LED
Damper Actuator
Modular Connector
Damper Actuator
Positioning Relay
“Open”
Damper Actuator
Positioning Relay
“Close”
Address Switch
(Set Between 1 & 58)
Modular Cable Connectors
Connects To Modular Cable From
Power/Com Board And Connects
To Next Controller On Loop
Supplies 24 VAC Power and RS-485
Communications In And Out Of Controller
Controller Overview
Figure 2: OE322 Output Expansion Boards