Aprilaire Model 8570 installation instructions Wire the Thermostat to the Hvac Equipment

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(5) WIRE THE THERMOSTAT TO THE HVAC EQUIPMENT

WARNING 120 volts may cause serious injury from electrical shock. Disconnect electrical power to the furnace and air conditioner before starting installation. This thermostat is not a 120 volt (line voltage) device.

1.Run a cable with the correct number of wires

(see table) from the thermostat to the HVAC equipment.

2.Strip 1/4" of insulation from the end of the wires to be connected to the thermostat.

3.Strip no more insulation than is required to make a sound electrical connection at the HVAC equipment.

4.Wire the thermostat to the HVAC equipment according to the wiring schematic appropriate for your HVAC equipment.

Application	# Wires	Diagram (Page)
Single-Stage Furnace/AC	5	1 (9)
Two-Stage Furnace/AC	7	2 (10)
Two-Stage Roof Top Unit	7	3 (11)

Boiler w/AC (2-transformer)	6	4 (12)

Radiant 1st Stage Heat,	6	5 (13)
Furnace 2nd Stage and AC

Single-Stage Heat Pump	6	6 (14)

Two-Stage Heat Pump	8	7 (15)

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Contents Instructions Table of Contents Thermostat Startup Heat Pumps OnlySafety Instructions Model 8570 Specifications Wire Requirements Two-Stage Furnace/ACRadiant 1st Stage Heat Single-Stage Heat Pump Two-Stage Heat PumpSelect a Mounting Location Keep the thermostat 18 from an outside wallOpen the Thermostat Mount the Thermostat Base to the Wall AHC Set to HP when installed with heat pumps Wire the Thermostat to the Hvac Equipment Run a cable with the correct number of wiresDiagram 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 the outdoor temperature sensor see Figure Mount above anticipated snow line230.6 163.8117.6 85.4IDS ODT CIR GND Optional Install AN Automatic Humidifier Control AHC Mount the AHC and its outdoor temperature sensor+ I- R C H ODT Mount the indoor temperature sensor IDS ODT CIR GND Thermostat Startup Stand Alone Applications Check FAN Operation From the Main Screen, press the Info buttonTroubleshooting AHC Connection Check Heating Operation Troubleshooting Heating Operation Troubleshooting Cooling Operation Thermostat does not call for coolingTo Cool and make a call for cooling Check Emergency Heat Operation Heat Pumps Only To Emergency Heat and make a call for heatCustomize the Application Settings DifferentialProgressive Recovery Display will show the ADV. Settings MenuOffset Balance Points Heat Pumps only Range is 0F to 40FInput Dealer Contact Information To delete a character, press the Back buttonTo delete a number, press the Back button Blower Extension for Humidity Control Press the Menu button DP #10006198 B2203358A BOX 1467 MADISON, WI