Carrier 48HC*04–14 - RTU-Open Control Module

51
DO-6
(Dehumidification)
DO-7
(Reversing Valve)
DO-8
(Power Exhaust)
+24 VDC
Input_2 (CO2/RH)
Gnd
+24 VDC
Input_1 (CO2/RH)
Gnd
Input_5 (SMK)
Input_4 (R)
DO-5 (Y1) DO-4 (Y2)
DO-3 (W1) DO-2 (W2)
DO-1 (G)
Gnd
Input_3 (X)
24 VAC IN
Board Power
24 VAC
Input_8 (Enthalpy)
AO-1 (ECON)
Gnd
(OAT)
Gnd
(SAT)
Configurable Input_8
24 VAC
Configurable Input_5
24 VAC
Configurable Input_3
24 VAC
Input_9 (Humidistat)
24 VAC
BACnet, Modbus, or N2
(LON connection J15)
SPT (temp Input)
SPT (common)
SPT (offset input)
*Remove
both for 0-5V
Protocol Selector
J3
J5
(AO-1)
J4
J1
J2
J5
J14
J11
J22
J13
J12
J15
J20
J17
J19
C10818
Fig. 61 -- RTU--Open Control Module
48HC