RTU Open 15
Optional
* Safety chain devices, field-installed - normally closed. Apply 24 Vac to this terminal
(jumper from
J1 - 1 to J1 - 9) where no safety devices are installed.
** Fire shutdown device, field-installed, configurable as normally open or closed
*** Enthalpy switch, field-installed - configurable as normally open or closed
J4 Inputs
1 Turn off the RTU Open's power.
2 Connect the input and output wiring to the screw terminals on the RTU Open.
NOTE When utilizing the controller's 24 Vdc auxiliary power out, the total current demand for these two
input channels must not exceed 40 mA (100mA per channel).
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