Aprilaire 8870 Operating Instructions Manual
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Aprilaire 8870 Operating Instructions Manual

Aprilaire 8870 Operating Instructions Manual

Communicating thermostat
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See also: System Installation Manual , Instruction and Installation Manual

Operating Instructions

R E A D A N D S AV E T H E S E I N S T R U C T I O N S
Aprilaire
Communicating Thermostat
®
Model
8870
CAUTION: Do not set to OFF mode during periods when
freezing temperatures could occur.
Thank you for your recent purchase of an Aprilaire
Communicating Thermostat. With this
®
purchase, you have invested in the highest quality thermostat currently available.
This Model 8870 Communicating Thermostat operates similarly to a conventional thermostat but
has the unique capability of being controlled, either locally or remotely (from a home automation
system). The Model 8870 thermostat is capable of integration into your home automation system
or independently operated with the Aprilaire Model 8825 System Controller.
Note: This manual covers basic operation of the thermostat,
which may be altered by the home automation system setup.

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Summary of Contents for Aprilaire 8870

  • Page 1: Operating Instructions

    (from a home automation system). The Model 8870 thermostat is capable of integration into your home automation system or independently operated with the Aprilaire Model 8825 System Controller. Note: This manual covers basic operation of the thermostat,...

  • Page 2: Table Of Contents

    Getting Familiar With The Aprilaire Thermostat ........
  • Page 3 ROOM TEMPERATURE/ FIGURE 2 SCROLL/SET-UP BUTTONS – The Scroll/Set-Up buttons function with the set-up features of NETWORK STATUS RELATIVE HUMIDITY the thermostat (refer to page 7). MODE BUTTON – Five modes of operation are available on the Model 8870 thermostat: OFF, COOL, HEAT or COOL, EM.

  • Page 4: Operating The Thermostat

    OPERATING THE THERMOSTAT 1. SELECT THE MODE (cont.) • HEAT OR COOL (AUTO-CHANGEOVER) – HEAT or COOL appears on the display. Either Notes on temperature adjustments: the heating or cooling equipment will operate to maintain the room temperature at or •...

  • Page 5: Setting Temperatures

    2. SETTING TEMPERATURES 5. NETWORK OVERRIDE Press the Up or Down adjust button. The setting to be changed will begin to flash. Press and If the Network Override has not been disabled in the Thermostat Set-Up, the Network Override hold the button to change the setting. can be initiated by pressing the Enter button.
  • Page 6 three navigation buttons are pressed in 5 FIGURE 5 minutes, the display will return to Passive Display. Again, one menu item can be seen at a time. THE FOLLOWING ITEMS ARE CONFIGURABLE IN THERMOSTAT SET-UP: • NETWORK OVERRIDE SET-UP – This enables or disables the Network Override feature.
  • Page 7 • THERMOSTAT BUTTON LOCKOUT – This feature disables the buttons of the thermostat • COMMUNICATIONS SET-UP – This is where the thermostat address is entered. completely, or to a limited degree. For example, the MODE and FAN status can be set Additionally, the total number of thermostats is entered here to optimize communication and then locked, so the buttons will not allow those settings to be changed.

  • Page 8: In Case Of Power Failure

    • BALANCE POINT SET-UP – Balance points limit heat pump operation when the outdoor IN CASE OF POWER FAILURE temperature is too high or too low. It requires an optional support module with an This thermostat does not require a battery. If the power goes out, the screen is blank. outdoor temperature sensor.
  • Page 9 NOTES: NOTES:...

  • Page 10: Notes

    NOTES: WARRANTY ELECTRONIC THERMOSTAT FIVE YEAR LIMITED WARRANTY Your Research Products Corporation Aprilaire ® Thermostat unit is expressly warranted for five (5) years from date of installation to be free from defects in materials and workmanship. Research Products Corporation’s exclusive obligation under this warranty shall be to supply, without charge, a...
  • Page 11 For the best in indoor air quality, ask your heating and cooling contractor about these fine Aprilaire products, or visit us at www.aprilaire.com to solve your Indoor Air Comfort needs.

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