Carrier RTU Open - Page 3

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Fig. 1 — RTU Open Control Module
J4
J2J1
J5 J5
J22
J17
J19
J14
J11
J22
J3
J13
J12
J15
J20
Network Comm
Configurable - Input_8
24 VAC
Configurable - Input_5
24 VAC
Configurable - Input_3
24 VAC
Input_9 (Humidistat)
24 VAC
24 VAC
Input _8 (Enthalpy)
AO-1 (ECON)
Gnd
(OAT)
Gnd
(SAT)
Input_5 (SMK) Input_4 (R) BO-5 (Y1) BO-4 (Y2) BO-3 (W1) BO-2 (W2) BO-1 (G) Gnd Input_3 (X) 24 VAC IN
+24 VDC
Input_2 (CO2/RH)
Gnd
+24 VDC
Input_1 (CO2/RH)
Gnd
Board Power
(AO-1)
0-10VDC
4-20mA
BO-6
(H) Humidimizer
BO-8
(Power Exhaust)
LonWorks
Option Card
Port
Example set for
BACnet MS/TP
and 76.8K baud
(1, 2, and 4 ON)
Recommended for all
i-Vu Open installations
Protocol Selector SPT (temp input) BACnet, Modbus, or N2
(LON connection J15)
SPT (common)
SPT (offset input)
*Remove
both for 0-5V
AO-2
GND
(0-10V or 2-10V)
BO-7
(Reversing Valve/High Speed Fan/Y3)
3-Volt
Lithium
Battery
BO-1 BO-2 BO-3 BO-4 BO-5
BO-6
BO-7
BO-8
VFD Output/IDF Output