12
ECL-PTU-207 Preloaded Applications
Hardware Inputs
UI1: CO2 Sensor
This input is used to connect a space or return CO2 sensor.
The variable CO2Range (NumericConstant2) can be used to configure the range of the CO2 sensor.
The default value is 2000 ppm.
ID
Units
Valid Range
Default Value
nvoHwInput_1
Volts (V)
0.1 to 10 V
Null
UI2: UI2
This input is used to connect the Discharge Temperature, Return Temperature, Water Temperature or
Setpoint Offset. It is configurable using UI2Config (EnumConstant2) .
ID
Units
Valid Range
Default Value
nvoHwInput_2
Ohms (Ω)
0 to 55000 Ω
0 Ω
SI3: SI3
This input is used to connect the Discharge Temperature, Return Temperature, Water Temperature or
Space Temperature. It is configurable using nciMiscConfig.SI3Config (nviFP44) .
ID
Units
Valid Range
Default Value
nvoHwInput_3
Degrees-Celsius (°C)
-10 to 50 °C
Null
DI4: DI4
This variable is used to connect the window contact. Note that reversing the window contact operation
using DI4Config (EnumConstant3) will not reverse this input. To display the status of the window con-
tact, one should use the variable nvoWindowContact (nvoFP24).
ID
Units
Valid Range
Default Value
nvoHwInput_4
Snvt_Switch
0 to 100% / On to Off
0 % / Off
DI5: DI5
This input is used to connect Auxiliary Contact, Change Over State (heating/cooling) or Condensation
sensor. It is configurable via DI5Config (EnumConstant4).
ID
Units
Valid Range
Default Value
nvoHwInput_5
Snvt_Switch
0 to 100% / On to Off
0 % / Off
DI6: DI6
This input is used to connect Auxiliary Contact, Change Over State (heating/cooling) or Occupation
sensor. It is configurable via DI6Config (EnumConstant5) .
ID
Units
Valid Range
Default Value
nvoHwInput_6
Snvt_Switch
0 to 100% / On to Off
0 % / Off
Variables
