Page 2 - TABLE OF CONTENTS; PAGE
TABLE OF CONTENTS PAGE SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 WIRE REQUIREMENTS. . . . . . . . . . . . . . . . . . . . . . . . . 2 1. SELECT A MOUNTING LOCATION . . . . . . . . . . . 3 2. OPEN THE THERMOSTAT . . . . . . . . . . . . . . . . . . 4 3. MOUNT THE THERM...
Page 3 - WARNING; 570 Thermostat. For questions call; Electrical; SAFETY INSTRUCTIONS
- 1 - 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 mu...
Page 4 - WIRE REQUIREMENTS
- 2 - - 3 - 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 Zoned Comfort System). Figure 1 shows optional connections to both an outdoor temperature sensor and an Ap...
Page 5 - Figure 3; Place the wire opening in the base over the wire entry; Figure 4; CAUTION; Figure 4
(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 oneither side of the thermostat. If needed, the thermostat can be pried from the base by inserting a flat-head screwdriver (see Figure 3 ). - 4 - - 5 - CAUTION Loss of i...
Page 7 - (5) WIRE THE THERMOSTAT TO THE HVAC EQUIPMENT; Application
IDS ODT APRILAIRE MODEL 8570 THERMOSTAT 1ST STG COOL AIR CONDITIONER Y1 C FAN RELAY 1ST STAGE HEAT R FURNACE C G Y1 W1 1ST STAGE COOL L1 L2 120 VAC 24 VAC GND ZA ZB I+ I- 6504 CONNECTION BO Y2 Y1 G RC R RH W1 W2 C AHC CONNECTION ELECT/GAS - SET TO ELECT FOR ELECTRIC HEAT, SET TO GAS FOR FOSSIL FUEL ...
Page 9 - Diagram 4: Boiler with AC
APRILAIRE MODEL 8570 THERMOSTAT 1ST STG COOL AIR CONDITIONER Y1 C FAN RELAY 1ST STAGE HEAT R FURNACE C G Y1 W1 1ST STAGE COOL L1 L2 120 VAC 24 VAC HEAT RELAY R RADIANT FLOOR HEAT C W L1 L2 120 VAC 24 VAC 1 2 4 5 7 8 W R Y 24V COM E/W2 Y O 3 6 9 MODEL 8024 24-VOLT RELAY PACK (not supplied) SUPPLIED J...
Page 10 - Heat Pump with Single-Stage
APRILAIRE MODEL 8570 THERMOSTAT FAN RELAY 1ST STAGE AUX . HEAT R INDOOR UNIT - AIR HANDLER C G Y1 W1 W2 L1 L2 120 VAC 24 VAC 2ND STAGE AUX . HEAT L O Y1 W1 C R 1ST STAGE COMP. REV. VALVE DEFROST SERVICE OUTDOOR UNIT - HEAT PUMP SUPPLIED JUMPER COMPRESSOR ZA ZB I+ I- 6504 CONNECTION BO Y2 Y1 G RC R R...
Page 11 - • Turn on outdoor ventilation for; Figure 6
APRILAIRE MODEL 8570 THERMOSTAT FAN RELAY 1ST STAGE AUX . HEAT R INDOOR UNIT - AIR HANDLER C G Y2 Y1 W1 W2 L1 L2 120 VAC 24 VAC 2ND STAGE EMER. HEAT L O Y2 Y1 W1 C R 1ST STAGE COMP. 2ND STAGE COMP. REV. VALVE DEFROST SERVICE OUTDOOR UNIT - HEAT PUMP SUPPLIED JUMPER 1ST STAGE COMP. 2ND STAGE COMP. ZA...
Page 12 - SENSOR WITH; Figure 7
- 19 - - 18 - (7) OPTIONAL – INSTALL AN APRILAIRE MODEL 8052 OUTDOOR TEMPERATURE SENSOR Note: If an ADHC is to be installed, do not wire an outdoor temperature sensor– see Step 8. The ADHC uses its own outdoor temperaturesensor, which can be read by the thermostat. 1. Mount the outdoor temperature s...
Page 13 - Take a resistance measurement before connecting to the; Figure 8; • Connect the sensor wires to the ODT and CIR GND; Do not run the wire along side line
Figure 8 - 21 - - 20 - 2. Run a 2-wire cable from the sensor to the thermostat. 3. Take a resistance measurement before connecting to the ODT and CIR GND terminals to verify the sensor isproperly installed. Measure the wires at the thermostat toaccount for wire splices. • Use an ohmmeter to measure ...
Page 14 - Figure 9
To Humidifier Automatic Digital Humidifier Control Outdoor Temperature Sensor Note: ADHC must be powered by a continuous supply - do not wire to furnace accessory terminals. Transformer Model 8570 Thermostat R C A B ODT Cf W/G H Figure 9 - 23 - Note: The ADHC uses its own outdoor temperature sensor,...
Page 16 - (10) THERMOSTAT STARTUP – STAND ALONE APPLICATIONS
NOTE: Refer to the Owner’s Manual for thermostat operating instructions. 1. PLACE THE THERMOSTAT ON THE BASE. 2. TURN ON POWER TO THE HVAC SYSTEM. 3. THERMOSTAT SET UP – HEAT ONLY OR COOL ONLY APPLICATIONS Skip this step if the thermostat is to control bothheating and cooling. 1. Make sure the therm...
Page 17 - TROUBLESHOOTING – ADHC CONNECTION
Symptom Cause Miswiring – Check wire colors to verify A at ADHC is connected to ZA at thermostat and B is connected to ZB. No RH display, no outdoor ADHC power source – When wired to the Model 8570 thermostat, the ADHC temperature display must be wired to a continuously ON power source. Use voltmete...
Page 18 - TROUBLESHOOTING – HEATING OPERATION
Symptom Cause Thermostat does not call for heat Minimum-off times. Change the mode to OFF first, then change the mode to HEAT and make a call for heat. Heating does not come on at all RH terminal not connected – see wiring diagrams. Heating equipment power not on. High Balance point limit – set bala...
Page 19 - TROUBLESHOOTING – COOLING OPERATION
- 32 - - 33 - Symptom Cause Thermostat does not call for cooling Minimum-off times. Change the mode to OFF first, then change the mode to COOL and make a call for cooling. Cooling does not come on at all RC terminal not connected – see wiring diagrams. Cooling equipment power not on. Heat comes on i...
Page 20 - TROUBLESHOOTING – EMERGENCY HEAT OPERATION
- 34 - - 35 - Symptom Cause Thermostat does not call for heat Minimum-off times. Change the mode to OFF first, then change the mode to EMERGENCY HEAT and make a call for heat. Emergency Heat does not come on at all RH terminal not connected – see wiring diagrams. Heating equipment power not on. Fan ...
Page 25 - RESEARCH PRODUCTS CORPORATION
10006198 11.07 997-040090-3 B2203358D Printed in U.S.A. RESEARCH PRODUCTS CORPORATION P.O. BOX 1467 • MADISON,WI 53701-1467