Analog Inputs - Trane Arctic Thermafit AXM Installation, Operation And Maintenance Manual

Operating Procedures
Data is collected by sensors as either analog or digital
signals and displayed on the IO Status screens.
When the module screen is displayed, pressing the I/O
button displays the I/O menu.
The I/O menu is comprised of three screens. When in the I/
O menu switching between I/O screens is made by the
means of respective buttons.
Table 5. The input/output screens
Primary/Seconday I/O Analog Screen
Primary/Seconday I/O Expansion Screen
When an I/O screen is displayed, switching to other I/O
screens is accomplished by pressing their respective
buttons:
• The ANALOG button displays the analog screen.
• The DIGITAL button displays the digital screen.

Analog Inputs

Analog input (AI) data includes these parameters:
AI1
This input indicates suction pressure Circuit 1.
AI2
This input indicates discharge pressure Circuit 1.
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Primary/Seconday I/O Digital Screen
AI3, AI4
These inputs indicate Load Entering/Leaving Water
Temperature.
AI5
These inputs indicates ambient temperature.
AI6
These inputs indicate Liquid Line Pressure Circuit 1.
AI7
These inputs indicate System Chilled / Hot Entering Water
Temperature. Applies to Cooling / Heating Mode.
AI8
These inputs indicate System Chilled / Hot Leaving Water
Temperature. Applies to Cooling / Heating Mode.
AI11
These inputs indicate the panel temperature (optional).
This applies to Heating Mode. It is used when temperature
ARTC-SVX006A-EN