Aprilaire Model 8570 Offset, Progressive Recovery, Display will show the ADV. Settings Menu

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2. OFFSET

All thermostats are factory calibrated to be accurate to within ±1° of true temperature. An offset is available to allow for agreement with field temperature measuring instruments. The value set will be added to the temperature sensed by the thermostat. The result will be displayed on the thermostat and will be used as the control value.

To change the offset:

1.Make sure the thermostat is in the OFF mode.

2.Press and hold both the ▲ and ▼ buttons for 3 seconds.

– The display will show the ADV. SETTINGS MENU.

3.Use the ▲ or ▼ button to highlight “SET OFFSET” and press the SELECT button.

4.To cancel, press the BACK button.

5.To change the offset value, press the ▲ or ▼ button to raise or lower the setting between –4° and +4° (°F or °C).

6.To finish and return to the ADV. SETTINGS MENU, press the SELECT button.

3. PROGRESSIVE RECOVERY

Progressive Recovery causes the thermostat to bring on the heating/cooling equipment before the programmed event start time, in order for the temperature to be at the programmed value by the programmed time. The feature can be turned on or off. When turned off, the heating/cooling equipment will not begin bringing the space temperature to the programmed value until the start of the event.

To turn Progressive Recovery on or off:

1.Make sure the thermostat is in the OFF mode.

2.Press and hold both the ▲ and ▼ buttons for 3 seconds.

– The display will show the ADV. SETTINGS MENU.

3.Use the ▲ or ▼ button to highlight “PROGRESSIVE RECOVERY” and press the SELECT button.

To cancel, press the BACK button

To change whether Progressive Recovery is on or off, press the ▲ or ▼ button to highlight either ON or OFF.

To finish and return to the ADV. SETTINGS MENU, press the SELECT button.

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Contents Instructions Table of Contents Heat Pumps Only Thermostat StartupSafety Instructions Model 8570 Specifications Single-Stage Heat Pump Two-Stage Heat Pump Wire RequirementsTwo-Stage Furnace/AC Radiant 1st Stage HeatKeep the thermostat 18 from an outside wall Select a Mounting LocationOpen the Thermostat Mount the Thermostat Base to the Wall AHC Set to HP when installed with heat pumps Run a cable with the correct number of wires Wire the Thermostat to the Hvac EquipmentDiagram 1 Single-Stage Furnace and AC Diagram 2 Two-Stage Furnace and AC Diagram 3 Two-Stage Roof Top Unit Diagram 4 Boiler with AC Page Diagram 6 Single-Stage Heat Pump Diagram 7 Two-Stage Heat Pump Mount above anticipated snow line Mount the outdoor temperature sensor see Figure85.4 230.6163.8 117.6IDS ODT CIR GND Mount the AHC and its outdoor temperature sensor Optional Install AN Automatic Humidifier Control AHC+ I- R C H ODT Mount the indoor temperature sensor IDS ODT CIR GND Thermostat Startup Stand Alone Applications From the Main Screen, press the Info button Check FAN OperationTroubleshooting AHC Connection Check Heating Operation Troubleshooting Heating Operation To Cool and make a call for cooling Troubleshooting Cooling OperationThermostat does not call for cooling To Emergency Heat and make a call for heat Check Emergency Heat Operation Heat Pumps OnlyDifferential Customize the Application SettingsOffset Progressive RecoveryDisplay will show the ADV. Settings Menu Range is 0F to 40F Balance Points Heat Pumps onlyTo delete a number, press the Back button Input Dealer Contact InformationTo delete a character, press the Back button Blower Extension for Humidity Control Press the Menu button DP #10006198 B2203358A BOX 1467 MADISON, WI