Aprilaire 8870 installation instructions To Access These Hvac SET-UP Features

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11.TO ACCESS THESE HVAC SET-UP FEATURES (Cont.)

Set-Up is menu driven but only one menu item is visible at a time. Figure 8 shows the entire Main Menu. Selecting any one of the Main Menu items (by pressing the Enter button) will enter a corresponding Sub-Menu. Figure 8 also shows the Temperature Set-Up, Balance Points Set-Up and Display Set-Up sub-menus

expanded. The Scroll Up and Scroll

Down buttons are used to move between menu items or change values.

The Enter button is used to select a menu item or enter a value. When in

Thermostat Set-Up, if none of the three FIGURE 8 navigation buttons are pressed in 5 min-

utes, the display will return to Passive Display. Again, you will only see one menu item at a time.

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Contents Installation Instructions Installation Instructions Manual Table of Contents WA R N I N G Model 8870 Thermostat Specifications Hvac System PRE-INSTALLATION Check ListSelect the Thermostat Location WHAT’S in the BOXSTAND-ALONE Thermostat Mounting Criteria Disassembly With Remote Temperature SensorsMount Base to Wall Setting the DIP Switches Shows what each switch corresponds to depending on posiWiring the Thermostat Application Switch #1 Switch #2 Switch #3Page Reassemble the Thermostat Hvac System Check OUTButtons Message Display Scroll SET-UP CHECK-OUT Procedure Temperature Control Options Optional Hvac SET-UP FeaturesBalance Points To Access These Hvac SET-UP Features Display OptionsTo Access These Hvac SET-UP Features Cont Aprilaire Model Thermostat Aprilaire Model Thermostat See Diagram 3 Roof TOP Unit TWO Stage Heat and TWO Stage Cool Terminal to commonDiagram 4 Boiler with AC TWO Transformers Diagram 5 Single Stage Heat Pump SeeDiagram 6 TWO Stage Heat Pump Thermostat B Terminal is forConnect the B terminal Page Page Page Best in Indoor AIR Comfort Aprilaire Automatic Humidifiers