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Premium Programmable Thermostat
Safety & Installation
Instructions
Model 8570
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TABLE OF CONTENTS PAGE PAGE SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 5. WIRE THE THERMOSTAT TO THE HVAC EQUIPMENT . . . . . . . . . . . . . . . . . . . . . . . . 8 WIRE REQUIREMENTS. . . . . . . . . . . . . . . . . . . . . . . . . 2 Diagram 1 – Single-Stage Furnace and AC . . . . . . 9 1. SELECT A MOUNTING LOCATION. . . . . . . . . . . 3 Diagram 2 – Two-Stage Furnace and AC . . . . . . . 10 Diagram 3 – Two-Stage Roof Top Unit . . . . . . . . 11 2. OPEN THE THER
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PAGE PAGE 7. OPTIONAL – INSTALL AN AUTOMATIC 10. CUSTOMIZE THE HUMIDIFIER CONTROL (AHC) . . . . . . . . . . . . . 19 APPLICATION SETTINGS . . . . . . . . . . . . . . . . 30 Differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 8. OPTIONAL – INSTALL AN INDOOR TEMPERATURE SENSOR . . . . . . . . . . . . . . . . . . 21 Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Progressive Recovery . . . . . . . . . . . . . . . . . . . . . 31 9. THERMOSTAT STA
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SAFETY INSTRUCTIONS ® Read this Installation Manual before beginning installation of the Aprilaire 8570 Thermostat. For questions call Research Products Corporation at (800) 334-6011. WARNING 1. 120 Volts may cause serious injury from electrical shock. Disconnect electrical power to the HVAC equipment before starting installation. This thermostat is not a 120-volt (line voltage) device. 2. Improper installation may cause serious injury from electrical shock. This product must be installed by a q
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MODEL 8570 SPECIFICATIONS Electrical Thermostat Voltage: 24-volts ± 20% AC or DC Total Load Current: 2A Single Output Load Current: 1A Solid State Output Residual Current: Less than 5 mA Voltage Drop at Solid State Outputs: Less than 1-volt Thermal Operating Range: 32°F – 99°F (0 C – 37 C) Display Accuracy: ±1°F between 60°F and 80°F, ±2°F outside this range Control Accuracy: ±1°F Control Range Heat: 40°F – 88°F (4 C – 30 C) Control Range Cool: 42°F – 90°F (6 C – 32 C) Heat/Cool Deadband: 2°F or
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WIRE REQUIREMENTS Figure 1 and the table show the number of wires that must be available at the thermostat in stand-alone thermostat systems (i.e. not as ® part of an Aprilaire Model 6504 Intelligent Zone System). Figure 1 shows optional connections to both an outdoor temperature sensor and ® an Aprilaire Automatic Humidifier Control (AHC), but only one or the other can be used. All wire is standard 18-24 gauge thermostat cable. Application # Wires Diagram (Page) Figure 1 – Thermostat Wire Singl
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(1) SELECT A MOUNTING LOCATION If installing the thermostat alone… If installing an indoor temperature sensor… • Mount on an interior wall, in a frequently occupied space. • Mount the thermostat where it can be readily accessed. Note that the backlighting illuminates whenever a button • Keep the thermostat 18" from an outside wall. is pressed. • Mount the thermostat approximately 5 feet above the floor. • Thermostat can be mounted on a vertical junction box (j-box). Height requirements are dif
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(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 Figure 3 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. USE THE SCREWDRIVER TO SE
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(3) MOUNT THE THERMOSTAT BASE TO THE WALL 1. Place the wire opening in the base over the wire entry hole in the wall. Level the base (for appearance only) Figure 4 and mark the screw locations. See Figure 4. 2. Use the supplied screws and wall anchors to mount the thermostat to the wall. It is recommended that wall anchors be used for installation to drywall/sheet rock. W2 • Drill a 3/16" hole for wall anchors. W1 RH R • Drill a 3/32" starter hole for screws only. RC G 3. For junction box mounti
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(4) SET THE CONFIGURATION DIP SWITCHES ON THE THERMOSTAT CIRCUIT BOARD There are four dip switches Figure 5 located on the back of the thermostat (on the circuit board) that must be set to properly configure the thermostat for operation with the equipment it is to control. Figure 5 shows the default position for the four switches. 6504 AHC GAS ELEC MULTI SINGLE H/C HP - 6 - ON
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6504 or AHC – This switch is used to configure the thermostat MULTI or SINGLE – When set to single, the second stage installation as part of a Model 6504 Intelligent Zone System. outputs (Y2 and W2) do not energize. • Set to 6504 only if installing as part of a Model 6504 • Set to SINGLE for single-stage furnace/AC applications or Intelligent Zone System. single-stage compressor heat pump systems. • Set to AHC if the thermostat is to be wired to the • Set to MULTI if the furnace or air condition
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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 Application # Wires Diagram (Page) (see table) from the thermostat to the HVAC equipment. Single-Stage Furnace/AC 5 1 (9) 2. Strip 1/4" of insulation from the end of the wires to Two-Stage
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Diagram 1: Single-Stage Furnace and AC - 9 -
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Diagram 2: Two-Stage Furnace and AC - 10 -
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Diagram 3: Two-Stage Roof Top Unit - 11 -
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Diagram 4: Boiler with AC - 12 -
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Diagram 5: Radiant Floor 1st Stage Heat with Furnace 2nd Stage Heat and AC - 13 -
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Diagram 6: Single-Stage Heat Pump - 14 -
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Diagram 7: Two-Stage Heat Pump - 15 -
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(6) OPTIONAL – INSTALL AN APRILAIRE MODEL 8052 OUTDOOR TEMPERATURE SENSOR Note: If an AHC is to be installed, do not wire Figure 6 an outdoor temperature sensor– see Step 7. The AHC uses its own outdoor temperature sensor, which can be read by the thermostat. 1. Mount the outdoor temperature sensor NORTH, EAST (see Figure 6). OR WEST SIDE • Locate on the North side of the building if OF BUILDING possible. East and West are acceptable locations as long as the sensor will not be exposed to dir
