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Premium Programmable Thermostat
Safety & Installation
Instructions
Model 8570
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TABLE OF CONTENTS PAGE PAGE PAGE PAGE SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Diagram 4 – Boiler with AC . . . . . . . . . . . . . . . . . 12 9. OPTIONAL – INSTALL AN INDOOR 11. CUSTOMIZE THE TEMPERATURE SENSOR . . . . . . . . . . . . . . . . . . 24 APPLICATION SETTINGS . . . . . . . . . . . . . . . . 36 WIRE REQUIREMENTS. . . . . . . . . . . . . . . . . . . . . . . . . 2 Diagram 5 – Radiant Floor 1st Stage Heat with Furnace 2nd Stage Heat and AC . . . . . . .
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SAFETY INSTRUCTIONS MODEL 8570 SPECIFICATIONS ® Read this Installation Manual before beginning installation of the Aprilaire 8570 Thermostat. For questions call Electrical Research Products Corporation at (800) 334-6011. Thermostat Voltage: 24-volts ± 20% AC or DC WARNING Total Load Current: 5A Single Output Load Current: 2A 1. 120 Volts may cause serious injury from electrical shock. Disconnect electrical power to the HVAC equipment before Thermal starting installation. This thermostat is not a
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WIRE REQUIREMENTS (1) SELECT A MOUNTING LOCATION Figure 1 and the table show the number of wires that must be available at the thermostat in stand-alone thermostat systems If installing the thermostat alone… If installing an indoor temperature sensor… ® (i.e. not as part of an Aprilaire Model 6504 Intelligent Zoned Comfort System). Figure 1 shows optional connections to both • Mount on an interior wall, in a frequently occupied space. • Mount the thermostat where it can be readily accessed. ®
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(2) OPEN THE THERMOSTAT (3) MOUNT THE THERMOSTAT BASE TO THE WALL Use your hands to pull the thermostat face off of the base. Separate one side at a time. There are latches on 1. Place the wire opening in the base over the wire entry either side of the thermostat. hole in the wall. Level the base (for appearance only) Figure 4 and mark the screw locations. See Figure 4. If needed, the thermostat can be pried from the base by inserting a flat-head screwdriver (see Figure 3). 2. Use the supplied s
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ON MULTI or SINGLE – When set to single, the second stage GAS or ELECT – When set to ELECT, the fan terminal (G) will outputs (Y2 and W2) do not energize. be energized on a call for heat. (4) SET THE CONFIGURATION DIP SWITCHES ON THE THERMOSTAT CIRCUIT BOARD • Set to SINGLE for single-stage furnace/AC applications or • Set to ELECT when the heat source is electric single-stage compressor heat pump systems. (such as strip heat). There are four dip switches Figure 5 • Set to MULTI if the furnace
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APRILAIRE MODEL 8570 THERMOSTAT SUPPLIED JUMPER (5) WIRE THE THERMOSTAT TO THE HVAC EQUIPMENT W2 FURNACE THERMOSTAT W1 CONFIGURATION RH SWITCH SETTINGS 1ST R WARNING 120 volts may cause serious injury from electrical shock. Disconnect electrical power to the furnace STAGE W1 1 SINGLE MULTI RC HEAT and air conditioner before starting installation. This thermostat is not a 120 volt (line voltage) device. HP 2 HC 1ST STAGE G Y1 COOL ELECT 3 GAS Y1 4 O B Y2 FAN 1. Run a cable with the correct
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APRILAIRE MODEL SUPPLIED JUMPER TWO-STAGE FURNACE 8570 THERMOSTAT APRILAIRE MODEL TWO-STAGE ROOF TOP UNIT SUPPLIED JUMPER 8570 THERMOSTAT W2 (RTU) 2ND THERMOSTAT W1 STAGE W2 W2 CONFIGURATION 2ND THERMOSTAT HEAT 1ST RH W1 SWITCH SETTINGS STAGE W2 STAGE W1 CONFIGURATION R HEAT 1ST RH HEAT SWITCH SETTINGS 1 SINGLE MULTI 1ST STAGE RC STAGE W1 R Y1 COOL HP 2 HC HEAT G SINGLE 1 MULTI RC 1ST 2ND STAGE ELECT 3 GAS Y2 Y1 HP 2 HC STAGE Y1 COOL G O 4 B 3 COOL ELECT GAS Y2 2ND Y1 FAN G STAGE Y2
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REMOVE RH PRONG HEAT W FROM SUPPLIED JUMPER RELAY 1 W 24V COM 2 APRILAIRE MODEL C E/W2 24 8570 THERMOSTAT HEAT 3 R W RELAY VAC R W2 4 SUPPLIED JUMPER THERMOSTAT W1 C 5 CONFIGURATION 24 120 Y RH VAC SWITCH SETTINGS 6 VAC R APRILAIRE MODEL R 8570 THERMOSTAT 7 Y BOILER 1 SINGLE MULTI RC 120 W2 2 VAC 8 HP HC G O W1 ELECT 3 GAS RADIANT FLOOR HEAT 9 Y1 RH O 4 B FAN MODEL 8024 24-VOLT G Y2 R RELAY 1ST RELAY PACK (not supplied) RC B STAGE W1 HEAT G 1ST STAGE ELECT/GAS - SET TO Y1 O 1ST STAGE
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APRILAIRE MODEL APRILAIRE MODEL SUPPLIED SUPPLIED JUMPER 8570 THERMOSTAT INDOOR UNIT - AIR HANDLER INDOOR UNIT - AIR HANDLER 8570 THERMOSTAT JUMPER W2 W2 THERMOSTAT 2ND STAGE W1 THERMOSTAT W2 1ST STAGE W1 CONFIGURATION AUX. HEAT W1 CONFIGURATION RH AUX. HEAT SWITCH SETTINGS RH SWITCH SETTINGS R 1ST STAGE R W1 1 AUX. HEAT COMPRESSOR Y1 SINGLE MULTI RC 1 SINGLE MULTI RC HP 2 HC G 2 HP HC G 3 Y1 ELECT GAS COMPRESSOR Y1 ELECT 3 GAS 4 Y1 O B 4 O B FAN Y2 G FAN Y2 RELAY G B RELAY SINGLE/MULTI –
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INDOOR UNIT - AIR HANDLER SUPPLIED JUMPER APRILAIRE MODEL 8570 THERMOSTAT 2ND STAGE W2 EMER. HEAT W2 THERMOSTAT (6) OPTIONAL – WIRE THE EVENT TRIGGERED OUTPUT (ETO) W1 1ST STAGE CONFIGURATION W1 RH AUX. HEAT SWITCH SETTINGS R Terminals NO, COM and NC are the 1 1ST STAGE COMP. Y1 SINGLE MULTI RC Figure 6 2 Normally Open, Common and Normally HP HC G 2ND STAGE COMP. Y2 ELECT 3 GAS Closed outputs, respectively, of a relay Y1 4 O B FAN Y2 that can be used to control auxiliary G RELAY B MODEL 8570
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To ENABLE and program the relay: To DISABLE the relay: (7) OPTIONAL – INSTALL AN APRILAIRE MODEL 8052 OUTDOOR TEMPERATURE SENSOR 1. Make sure the thermostat is in the OFF mode. 1. Make sure the thermostat is in the OFF mode. 2. Press and hold the and buttons for 3 seconds. The 2. Press and hold the and buttons for 3 seconds. The Note: If an ADHC is to be installed, do not wire display will show the ADV. SETTINGS MENU. display will show the ADV. SETTINGS MENU. Figure 7 an outdoor temperature sens
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2. Run a 2-wire cable from the sensor to the thermostat. OUTDOOR TEMPERATURE (°F) RESISTANCE (kΩ ) Figure 8 -30 230.6 CAUTION Do not run the wire along side line -20 163.8 voltage (120 VAC) or higher lines as this can cause -10 117.6 erratic readings. 0 85.4 3. Take a resistance measurement before connecting to the 10 62.6 ODT and CIR GND terminals to verify the sensor is 20 46.3 properly installed. Measure the wires at the thermostat to 30 34.6 account for wire splices. 40 26.1 • Use an ohmmete
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Figure 9 (8) OPTIONAL – INSTALL AN AUTOMATIC DIGITAL HUMIDIFIER CONTROL (ADHC) Automatic Digital Humidifier Control Note: The ADHC uses its own outdoor temperature sensor, 2. Run a 2-wire cable from the ADHC to the thermostat. which is read by the thermostat. If an ADHC is to be installed, 3. Wire the ADHC to the thermostat (see Figure 9). do not wire an outdoor temperature sensor to the ODT • Strip 1/4" of insulation from the ends of the wires. R C A B ODT W/G Cf H terminal of the thermostat. •
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Figure 10 (9) OPTIONAL – INSTALL AN APRILAIRE MODEL 8051 FLUSH MOUNT OR 8053 SURFACE MOUNT TEMPERATURE SENSOR 1. Mount the indoor temperature sensor. 3. Take a resistance measurement before connecting to the IDS and CIR GND terminals to verify the sensor is • Locate the sensor as you would locate a thermostat. properly installed. • Maximum wire length from sensor to thermostat is • Use an ohmmeter to measure the resistance (kΩ ) of the 300 feet. sensor. The resistance reading will depend on t
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4. THERMOSTAT SET UP – SET NUMBER OF AUXILIARY NOTE: Refer to the Owner’s Manual for HEAT STAGES (10) THERMOSTAT STARTUP – STAND ALONE APPLICATIONS thermostat operating instructions. Only for single stage heat pump systems. In the Heat mode, control up to three stages of heat. 1. PLACE THE THERMOSTAT ON THE BASE. 1. Make sure the thermostat is in the OFF mode. 2. TURN ON POWER TO THE HVAC SYSTEM. 2. Press and hold the and buttons for 3 seconds. 3. THERMOSTAT SET UP – HEAT ONLY OR COOL ONLY Th
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6. CHECK FAN OPERATION 7. VERIFY ADHC CONNECTION (if optional Automatic Digital TROUBLESHOOTING – ADHC CONNECTION Humidifier Control installed). 1. Turn on the fan (set to ON). Symptom Cause 1. Ensure that the ADHC has power (the green status light • The thermostat G terminal will energize and the on the ADHC should be on) and make sure the ADHC is system blower will start. The Fan Status on the display Miswiring – Check wire colors to verify A at ADHC is connected to ZA at functioning properly
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8. CHECK HEATING OPERATION 2. Set the thermostat to the HEAT mode. TROUBLESHOOTING – HEATING OPERATION Notes: • With the O/B configuration setting in the B position (ON), the Symptom Cause O/B terminal will be on in the Heat mode. In the O position • To avoid the minimum on and off times during system (OFF), the O/B terminal will not be on in the Heat mode. Minimum-off times. Change the mode to OFF first, then change the mode to checkout, always start and end the check out Thermostat does not c
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9. CHECK COOLING OPERATION 2. Set the thermostat to the COOL mode. TROUBLESHOOTING – COOLING OPERATION Notes: • With the O/B configuration setting in the O position (OFF), Symptom Cause the O/B terminal will be on in the Cool mode. In the • To avoid the minimum on and off times during system B position (ON), the O/B terminal will not be on in the Minimum-off times. Change the mode to OFF first, then change the mode checkout, always start and end the check out Thermostat does not call for cool
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10. CHECK EMERGENCY HEAT OPERATION (Heat Pumps Only) 2. Set the thermostat to the EMERGENCY HEAT mode. TROUBLESHOOTING – EMERGENCY HEAT OPERATION Notes: • With the O/B configuration setting in the B position (ON), Symptom Cause the O/B terminal will be on in the Emergency Heat mode. In • To avoid the minimum on and off times during system the O position (OFF), the O/B terminal will not be on in the Minimum-off times. Change the mode to OFF first, then change the mode checkout, always start and
