Aprilaire 8539 دليل المستخدم

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111-172B
Your new digital thermostat has been designed to The model 8539 is a single-setpoint heat/cool ther-
USER CONTROLS (Cont’d)
provide accurate control and display of room temper-
mostat. It features a narrow, fixed deadband between
8539
ature. In addition, it also will display all relevant infor- FAN $
internal heat and cool setpoints.
mation pertaining to your system. The fan will come on automatically when the system
Single Setpoint Heating & Cooling
is operating, but there is no indica

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7. Before the thermostat is reinstalled on the subbase, INSTALLATION INSTRUCTIONS THERMOSTAT INSTALLATION SLIDE SWITCH SETTINGS install the optional indoor remote sensor (model 1. Insert a flat blade screwdriver or coin 1/8" into the LOCATION 8002), if used. Refer to the installation instructions slot located in the bottom center of the thermostat supplied with the model 8002. To ensure proper operation, the thermostat should be case and twist 1/4 turn. When you feel or hear a click, mounted on