Microprocessor Controller for DOAS
8
®
C1
NO1
NO2
NO3
C1
C4
NO4
NO5
NO6
C4
C7
NO7
C7
NO8
C8
NC8
NO12
C12
NC12
NO13
C13
NC13
C9
NO9
NO10
NO11
C9
G
G0
U1
U2
U3
GND
+VDC
+V
term
GND
+5 V
REF
U4
GND
U5
GND
VG
VG0
Y1
Y2
Y3
Y4
ID1
ID2
ID3
ID4
ID5
ID6
ID7
ID8
IDC1
U6
U7
U8
GND
ID9
ID10
ID11
ID12
IDC9
ID13H
ID13
IDC13
ID14
ID14H
J1
J24
J2
J3
J4
J5
J7
J8
J20
J21
J14
J10
J13
J12
J22
J16
J17
J18
J15
J6
J19
NO14
C14
NC14
NO15
C15
NC15
C16
NO16
NO17
NO18
C16
ID15H
ID15
IDC15
ID16
ID16H
Y5
Y6
ID17
ID18
IDC17
U9
GND
U10
GND
dr
a
c
S
M
B
dr
a
c
s
u
B
dl
ei
F
J23 FBus2
J11 pLAN
J25
BMS2
J26
FBus2
4321
Wheel Pressure Limit
Supply Fan Proving
Unit On/Off Input
Wheel Rotation Alarm
Occupied/Unoccupied Input
Exhaust Fan Proving
Dirty Filter Input
Supply Fan VFD Output
Room Temperature Sensor
Exhaust Fan VFD Output
Outdoor Air Damper Analog Output
Cooling/VSC Cond Fan Analog Output
Heating Analog Output
Hot Gas Reheat Analog Output
24VAC for Analog Outputs
Outdoor Relative Humidity Sensor
Duct Pressure Sensor
Building Pressure Sensor
Room RH
After Cold Coil Temperature Sensor
CO2 Sensor
Sensor B1, B2, B3 Commons
Supply Discharge Temperature Sensor
Outdoor Air Temperature Sensor
24VAC to Controller
Wheel Frost Mode
24 VAC When Unit On
Exhaust Fan Enable
Supply Fan Enable
Heating Enable
24 VAC from Supply Fan Proving
Staged Compressor 2
Staged Compressor 1
Economizer Mode/Output to Dampers
24 VAC
Alarm Dry Contact
Staged Compressor 3
Compressor Limit Circuit A
Compressor Limit Circuit B
Compressor Limit Circuit C
Compressor Limit Circuit D
Discharge Pressure Circuit B (VSC)
2 Speed Fan Input
2 Position Damper Input
Staged Compressor 4
Energy Recovery Wheel Enable
Inverter Compressor E-Stop (VSC)
Compressor Fan 1 Enable (VSC)
Compressor Fan 2 Enable (VSC)
Optional BACnet IP, Modbus TCP, Web UI, Ethernet Connections
Large Controller Overview
Remote Display
• Six
conductor
RJ25
cable
• Connects
to
J10
Optional LonWorks cards are
located in BMS Card port.
Optional Modbus RTU/BACnet MSTP connections
are made to the J26 FBus2 terminal.