Greenheck Microprocessor Controller (474706 IOM) TAP v1.04 June 2011 (ERCH, ERH, APEX, VER, ERT) - Manual (Page 5)

5 DDC Controller for Tempered Air Products
Controller Overview
J1J1
J24J24
J14J14
J11J11
J15J15
J2J2
J5J5
J4J4
J3J3
ser
vic
e car
d
Rx-/Tx-
Rx+/Tx+
GND
C1
NO1
NO2
NO3
C1
C4
NO4
NO5
NO6
C4
C7
NO7
C7
NO8
C8
NC8
G
G0
24 VAC to Controller
B1
B2
B3
GND
+VDC
+Vterm
GND
+5 VREF
B4
BC4
B5
BC5
VG
VG0
Y1
Y2
Y3
Y4
ID1
ID2
ID3
ID4
ID5
ID6
ID7
ID8
IDC1
J10
J9
field car
d
ser
ial car
d
input: 24
V ~ / ; 50 t
o 60 H
z
max. po
w
er
: 40
VA/15W
J12J12
J13J13
Outdoor Air Intake Temperature Sensor
Supply Discharge Temperature Sensor
After Cold Coil Temperature Sensor
Sensor B1, B2, B3 Commons
Room Temperature Sensor
Call for Dehumidification
24 VAC for Analog Outputs
24 VAC When Unit On
Frost Control Enable
Output to Supply Fan
Output to Exhaust Fan
24 VAC from Supply Fan Proving
Heating Enable/Reversing Valve
Compressor Output 1
Compressor Output 2
24 VAC
Output to Dampers
Alarm Dry Contact
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/Off
Exhaust Fan Proving
Occupied/Unoccupied Input
Dirty Filter
Compressor Limit
BACnet, LonWorks and Modbus cards
are located in Serial Card port
DDC Remote Display
(straight six wire phone cable)
®