AAON Auto-Zone 2 GPC-XP - Analog Input #2; Analog Input #3; Analog Input #4

Conguring the Controller
Conguration
Analog Input #2
This is the input conguration screen used for the Supply Water Tem-
perature sensor (TW Supply Water”) on Analog Input #2 (AIN2). Item
#1 in Figure 11 indicates the Supply Water Temp sensor is congured
for a thermistor type sensor with a Fahrenheit output. All the other
congurations are the same as described for the previous conguration
of the Outdoor Air Temperature sensor except no broadcasting of the
signal is required as was done with the Outdoor Air Temperature Sensor.
Analog Input #3
This is the input conguration screen used for the Return Water Tem-
perature sensor (“TW Return Water”) on Analog Input #3 (AIN3). Item
#1 in Figure 12 indicates the Return Water Temp sensor is congured
for a thermistor type sensor with a Fahrenheit output. All the other
congurations are the same as described for the previous conguration
of the Supply Water Temperature sensor.
Analog Input #4
This is the input conguration screen used for the Differential Pressure
Sensor (“Loop Pressure”) when used. It is located on Analog Input #4
(AIN4). Either a Differential Pressure Sensor or a Differential Pressure
Switch is required for the Loop Controller operation. If a Differential
Pressure Switch is used instead, it is wired to the Binary Input #2 (BIN2)
which is described under the Binary Input #2 information section that
follows.
Item #1 in Figure 13 indicates the Differential Pressure sensor is
congured for a 0-5 VDC type sensor. This is the requirement for the
sensor WattMaster offers. Yours may be different. Congure the sensor
accordingly.
Item #2 indicates that the sensor reading will be shown in PSI.
Item #3 indicates the Sensor Scaling has been congured to “10” which
will show tenths of a PSI on the screen. So at a 30.47 PSI actual pressure
signal from the sensor the screen would show 30.5 PSI.
Item #4 indicates the User Scaling has been congured to “50 PSI”
maximum reading and “0” PSI Minimum Reading. This should be set
to the range of the sensor you are using.
Figure 13: AIN4 Sensor Screen
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WSHP Loop Controller GPC-XP Guide