Aprilaire - 8531 111-137B 97185

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Contents

Ill 137 B Heat Only Thermostat OPERATING INSTRUCTIONS T II 1C d gt Aprilaire V Your new digital thermostat has been designed to provide accurate control and display of room temper ature In addition it also will display all relevant infor mation pertaining to your system The clearly marked buttons and informative display make it extremely easy to understand and simple to use Please take a few moments to read the brief instruc tions and familiarize yourself with the various func tions in order to obtain maximum benefit from this truly unique electronic control GENERAL INFORMATION The thermostat normally displays room temperature mode of operation and whether heating is currently on The two buttons o ...