Table of Contents
Advertisement
24 VAC to Controller
Outdoor Air Intake Temperature Sensor
Supply Discharge Temperature Sensor
After Cold Coil Temperature Sensor
Sensor B1, B2, B3 Commons
Room Temperature Sensor
Call for Dehumidi cation
24 VAC for Analog Outputs
Energy Wheel Analog Output
Heating Analog Output
Cooling Analog Output
Hot Gas Reheat Analog Output
Supply Fan Proving
Wheel Pressure
Wheel Rotation Alarm
Unit On/O
Exhaust Fan Proving
Occupied/Unoccupied Input
Dirty Filter
Compressor Limit
®
Controller Overview
G
G0
+Vterm
GND
+5 VREF
B1
B2
B3
GND
+VDC
B4
BC4
B5
BC5
VG
VG0
Y1
Y2
Y3
Y4
ID1
ID2
ID3
ID4
ID5
ID6
ID7
ID8
IDC1
BACnet, LonWorks and Modbus cards
are located in Serial Card port
Rx-/Tx-
Rx+/Tx+
DDC Remote Display
GND
(straight six wire phone cable)
24 VAC When Unit On
C1
Frost Control Enable
NO1
Output to Supply Fan
NO2
Output to Exhaust Fan
NO3
C1
24 VAC from Supply Fan Proving
C4
Heating Enable/Reversing Valve
NO4
Compressor Output 1
NO5
Compressor Output 2
NO6
C4
24 VAC
C7
Output to Dampers
NO7
C7
NO8
Alarm Dry Contact
C8
NC8
DDC Controller for Tempered Air Products
5
Advertisement
Table of Contents
