Carrier 48HC D17 Series Service And Maintenance Instructions page 41

J4
J12
J15
Protocol Selector *Remove
both for 0-5V
Board Power
J1
J22
J13
J20
SPT (temp Input)
SPT (common)
SPT (offset input)
Fig. 47 - - RTU- - Open Control Module
41
(AO-1)
J3
J2
J5
J11
J17
J14
J19
BACnet, Modbus, or N2
(LON connection J15)
J5
DO-6
(Dehumidification)
DO-7
(Reversing Valve)
DO-8
(Power Exhaust)
C10818