Appendix A: RTU Open Points/Properties in i-Vu®/Field Assistant
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– Input Channel 7; 10K Thermistor only. Outside Air Temperature.
– Input Channel 10; 10K Thermistor only. Space Temperature (T55, 56, 59).
– Input Channel 11; 100K Potentiometer only. Setpoint adjust (T56, 59).
– Input Channel 11; used to detect an open circuit (faulty Setpoint adjustment mechanism).
IAQ/CO2 signal received from
CO2-enabled ZS Sensor(s).
RH signal received from humidity-enabled ZS Sensor(s).
Temperature signal received from ZS Sensor(s).
– Input Channel 3; Dry Contact only. User-configurable for No Function, Compressor Safety, Fan Status, Filter
Status, Remote Occupancy, or Door Contact.
– Input Channel 4; Dry Contact only. Safety Chain.
– Input Channel 5; Dry Contact only. User-configurable for No Function, Fire Shutdown, Fan Status, Filter Status,
Remote Occupancy, or Door Contact.
– Input Channel 8; Dry Contact only. User-configurable for No Function, Enthalpy, Fan Status, Filter Status, Remote
Occupancy, or Door Contact.
– Input Channel 9; Dry Contact only. User-configurable for No Function, Humidistat, Fan Status, Filter Status,
Remote Occupancy, Door Contact, or IGC Override.
– Reflects the status of the Space Temp (Rnet) input.
On = Space Temp invalid
Off = Space Temp valid
– Analog Output Channel 1; 4-20 mA jumper-selectable to 2-10 Vdc. Signal used for Economizer control.
– Analog Output Channel 2; 0-10 Vdc or 2-10 Vdc user-configurable. Provides VFD Output signal used for
Variable Speed fan control.
– Binary Output 1; Fan (G) Output.
– Binary Output 2; Heat 2 (W2) Output.
– Binary Output 3; Heat 1 (W1) Output.
– Binary Output 4; Cool 2 (Y2) Output.
– Binary Output 5; Cool 1 (Y1) Output.
– Binary Output 6; Humidi-MiZer™ Output.
– Binary Output 7; Reversing Valve Output or High Speed Fan Output or Y3.
– Binary Output 8; Power Exhaust Output.