R - C 14
Reference Materials
User Interface Assembly
The indoor User Interface Assembly will display the model and serial number during normal unit operation. In
addition, the following information can also be accessed through the display.
• The Units Model & Serial Number (Normal Display)
• System Status (Mode of Operation; Heating Stage 1, 2 or 3, Cooling Stage 1, 2 or 3, or OFF, thermostat not
calling)
• Requested Airflow (CFM) when the thermostat is calling.
• Indoor Unit’s Alert Codes
• Unit Test Cycle (Heating Cycle Only)
• Blower Motor Speed (RPM when operating)
• Fossil Fuel Draft Inducer Speed (RPM when operating)
• Last Four Alerts
• Replacement Part List
• Personality Module Serial Number
• Stand alone operation, without a thermostat: Duty Cycling of gas equipment (Contingency Mode)
• Exit
Introduction
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