Carrier RTU Open v3 - Page 40

Installing the RTU Open
RTU Open v3 CARRIER CORPORATION ©2019
Installation and Start-up Guide All rights reserved
36
NOTES
• Factory-installed enthalpy switches terminate at
J2
wires 6 (switch input) and 7 (24 Vac).
• Input channel must be configured for the enthalpy contact (N.O. or N.C.) that you use.
Wiring diagram for factory-installed enthalpy switch:
NOTE
Factory-installed enthalpy switches terminate at
J2
wires 6 (switch input) and 7 (24 Vac).