Manuals / Aprilaire / Household Appliance / Thermostat

Aprilaire Model 8570 installation instructions Open The Thermostat

Models: Model 8570

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(2) OPEN THE THERMOSTAT

(2) OPEN THE THERMOSTAT

Use your hands to pull the thermostat face off of the base. Separate one side at a time. There are latches on either side of the thermostat.

If needed, the thermostat can be pried from the base by inserting a flat-head screwdriver (see Figure 3).

CAUTION

Loss of internal programs may result from static discharge to thermostat circuit board. Avoid touching the circuit board and touch a grounded metal object before handling the thermostat.

Figure 3

INSERT SCREWDRIVER INTO 1 OF 4 SLOTS (2 ARE ON THE TOPSIDE, 2 ARE ON THE BOTTOM SIDE)

USE THE SCREWDRIVER TO SEPARATE THE HOUSINGS. REPEAT ON THE REMAINING 3 SLOTS. NOTE: THE HOUSINGS WILL NOT COMPLETELY SEPARATE. PULL THE HOUSINGS APART WITH YOUR HANDS TO COMPLETELY SEPARATE.

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Aprilaire Model 8570 installation instructions Open The Thermostat

Contents

READ AND SAVE THESE INSTRUCTIONS Safety & InstallationInstructions ModelTABLE OF CONTENTS 5. WIRE THE THERMOSTAT TO THEDiagram 5 - Radiant Floor 1st Stage Heat 6. OPTIONAL - INSTALL AN OUTDOORMonitors - Air Filter, Service Humidifier UV Lamp, Service HVAC Check Emergency Heat Operation10. CUSTOMIZE THE Verify Outdoor Temperature Sensor Check Fan OperationSAFETY INSTRUCTIONS Thermal MODEL 8570 SPECIFICATIONSElectrical WIRE REQUIREMENTS # WiresDiagram Page Figure 1 - Thermostat Wire1 SELECT A MOUNTING LOCATION If installing the thermostat alone…If installing an indoor temperature sensor… 2 OPEN THE THERMOSTAT Drill a 3/32 starter hole for screws only 3 MOUNT THE THERMOSTAT BASE TO THE WALLDrill a 3/16 hole for wall anchors 4 SET THE CONFIGURATION DIP SWITCHES ON THE THERMOSTAT CIRCUIT BOARD 6504ELEC MULTISet to ELEC when the heat source is electric such as strip heat Application 5 WIRE THE THERMOSTAT TO THE HVAC EQUIPMENT# Wires Diagram 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 1. Mount the outdoor temperature sensor see Figure Maximum wire length from sensor to thermostat is 300 feetMount above anticipated snow line NORTH, EAST4. Wire the sensor to the thermostat see Figure ZA ZB C IDS ODT CIR GND7 OPTIONAL - INSTALL AN AUTOMATIC HUMIDIFIER CONTROL AHC AHC through furnace accessory terminalsPOWER I+ I- R C H ODTAUTOMATIC MODE BYPASSLocate the sensor as you would locate a thermostat 2. Run a 2-wire cable from the sensor to the thermostatDo not run the wire along ZA ZB C IDS ODT CIR GND9 THERMOSTAT STARTUP - STAND ALONE APPLICATIONS SETPOINTS ROOM TEMPERATUREMESSAGE CENTER1. PLACE THE THERMOSTAT ON THE BASE Cause SymptomTROUBLESHOOTING - AHC CONNECTION The B terminal will energize when in the Heat mode Cause TROUBLESHOOTING - HEATING OPERATIONSymptom TROUBLESHOOTING - COOLING OPERATION SymptomCause Minimum-off times. Change the mode to OFF first, then change the modeCause SymptomTROUBLESHOOTING - EMERGENCY HEAT OPERATION 2. Press and hold both the and buttons for 3 seconds 10 CUSTOMIZE THE APPLICATION SETTINGS1. DIFFERENTIAL 2. Press and hold both the and buttons for 3 seconds 3. PROGRESSIVE RECOVERY2. OFFSET 4. BALANCE POINTS HEAT PUMPS ONLY 2. Press and hold both the and buttons for 3 seconds 5. INPUT DEALER CONTACT INFORMATION6. To enter a letter in the name of the company, use the 6. BLOWER EXTENSION FOR HUMIDITY CONTROL 7. MONITORS - AIR FILTER, SERVICE HUMIDIFIER, UV LAMP, SERVICE HVAC To set humidifier, filter, UV and HVAC service reminder schedulesDP #10006198 B2203358AP.O. BOX 1467 MADISON, WI Printed in U.S.A