Aprilaire Model 8570 installation instructions Mount the indoor temperature sensor

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(8) OPTIONAL – INSTALL AN APRILAIRE MODEL 8051 INDOOR FLUSH MOUNT TEMPERATURE SENSOR

1. Mount the indoor temperature sensor.

•Locate the sensor as you would locate a thermostat.

•Maximum wire length from sensor to thermostat is 300 feet.

•Follow the installation instructions provided with the sensor.

2. Run a 2-wire cable from the sensor to the thermostat.

CAUTION	Do not run the wire along

side line voltage (120 VAC) or higher lines as this can cause erratic readings.

3.Take a resistance measurement before connecting to the IDS and CIR GND terminals to verify the sensor is properly installed.

•Use an ohmmeter to measure the resistance (kΩ) of the sensor. The resistance reading will depend on the indoor temperature (see table from OUTDOOR SENSOR installation section on page 17).

4.Wire the sensor to the thermostat (see Figure 9).

• Strip 1/4" of insulation from the two sensor wires.

•Connect the sensor wires to the IDS and CIR GND terminals of the thermostat. The wiring is not polarity sensitive, so either wire can be connected to either thermostat terminal.

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Contents Instructions Table of Contents Heat Pumps Only Thermostat StartupSafety Instructions Model 8570 Specifications Two-Stage Furnace/AC Wire RequirementsRadiant 1st Stage Heat Single-Stage Heat Pump Two-Stage Heat PumpKeep 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 Figure163.8 230.6117.6 85.4IDS 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 Thermostat does not call for cooling Troubleshooting Cooling OperationTo Cool and make a call for cooling To Emergency Heat and make a call for heat Check Emergency Heat Operation Heat Pumps OnlyDifferential Customize the Application SettingsDisplay will show the ADV. Settings Menu Progressive RecoveryOffset Range is 0F to 40F Balance Points Heat Pumps onlyTo delete a character, press the Back button Input Dealer Contact InformationTo delete a number, press the Back button Blower Extension for Humidity Control Press the Menu button DP #10006198 B2203358A BOX 1467 MADISON, WI