Aprilaire 8870 installation instructions Cont

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FIGURE 8 (Cont.)

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Contents Installation Instructions Installation Instructions Manual Table of Contents WA R N I N G Hvac System PRE-INSTALLATION Check List Model 8870 Thermostat SpecificationsSTAND-ALONE Thermostat Mounting Criteria WHAT’S in the BOXSelect the Thermostat Location With Remote Temperature Sensors DisassemblyMount Base to Wall Shows what each switch corresponds to depending on posi Setting the DIP SwitchesApplication Switch #1 Switch #2 Switch #3 Wiring the ThermostatPage Hvac System Check OUT Reassemble the ThermostatButtons Message Display Scroll SET-UP CHECK-OUT Procedure Balance Points Optional Hvac SET-UP Features Temperature Control Options Display Options To Access These Hvac SET-UP FeaturesTo Access These Hvac SET-UP Features Cont Aprilaire Model Thermostat Aprilaire Model Thermostat See Terminal to common Diagram 3 Roof TOP Unit TWO Stage Heat and TWO Stage CoolDiagram 4 Boiler with AC TWO Transformers See Diagram 5 Single Stage Heat PumpThermostat B Terminal is for Diagram 6 TWO Stage Heat PumpConnect the B terminal Page Page Page Aprilaire Automatic Humidifiers Best in Indoor AIR Comfort