Aprilaire 76 Installation Instructions Manual
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Aprilaire 76 Installation Instructions Manual

Dehumidifier control
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See also: Owner's Manual , Instruction and Installation Manual
READ AND SAVE THESE INSTRUCTIONS
The Model 76 is for use with any dehumidifier as an EXTERNAL CONTROL,
including Aprilaire Models 1830, 1850 Series, and 1870 Series.
The Model 76 can also be used as a communicating REMOTE CONTROL
with all Aprilaire Models 1830, 1850 Series, and 1870 Series.
SAFETY INSTRUCTIONS
1. Improper installation may cause property damage or injury. Installation, service, and
maintenance must be performed by a qualified service technician.
2. 120 Volts may cause serious injury from electric shock. Disconnect electrical power before
starting installation or servicing. Leave power disconnected until installation/service is
completed. This control is not a 120 Volt (line voltage) device.
1. Read all instructions before beginning installation.
2. Do not use in pool applications. Pool chemicals can damage the control.
3. Do not use solvents or cleaners on or near the display and circuit board. Chemicals can
damage components.
Model 76
Dehumidifier Control
Installation Instructions
(See OVERVIEW on page 3 for details.)
WARNING
CAUTION
1

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Summary of Contents for Aprilaire 76

  • Page 1 Installation Instructions READ AND SAVE THESE INSTRUCTIONS The Model 76 is for use with any dehumidifier as an EXTERNAL CONTROL, including Aprilaire Models 1830, 1850 Series, and 1870 Series. The Model 76 can also be used as a communicating REMOTE CONTROL with all Aprilaire Models 1830, 1850 Series, and 1870 Series.

  • Page 2: Table Of Contents

    LOCATION RECOMMENDATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 application, the Model 76 uses an onboard sensor to monitor the relative humidity (%RH) in the space in which it is located and displays the measured relative humidity on the digital display .

  • Page 3: Location Recommendations

    LOCATION RECOMMENDATIONS INSTALLATION As a REMOTE CONTROL, the Model 76 can be mounted wherever is convenient for the MOUNT CONTROL homeowner . Follow the recommendations below when installing the Model 76 as an EXTERNAL CONTROL . FIGURE 2 – DISASSEMBLE CONTROL MOUNT CONTROL •...

  • Page 4: Wiring

    5. Secure the back plate to the wall using the two #8 x 1-1/2" screws . (see FIGURE 5) . FILTER ACCESS DOOR 90-1884 FIGURE 5 – WIRING MODEL 76 EXTERNAL CONTROL TO 1830 / 1850 SERIES / 1870 SERIES NO/NC SWITCH + - A B...
  • Page 5 EXTERNAL ENABLED . FILTER ACCESS DOOR 90-1884 90-1854 FIGURE 7 – WIRING MODEL 76 REMOTE CONTROL TO 1830 / 1850 SERIES / 1870 SERIES 9. Repeatedly press the MODE button until DONE appears on the display . + - A B Remote...

  • Page 6: External Control

    3. Turn on/off switch on dehumidifier ON . After a 4 second start up sequence all buttons on the 5. Press and hold the MODE button for 3 seconds to enter the Installer Set Up menu – REMOTE Model 76 will be functional . DISABLED will appear on the display when Installer Set Up is entered .

  • Page 7: Test Mode

    90-2483 90-2493 When the Model 76 is installed as an EXTERNAL CONTROL, an offset can be applied to the humidity reading to avoid discrepancies with other humidity measuring devices in the home . Allow 48 hours for the control to acclimate before applying an offset . The control must be ON to enter the Offset screen .

  • Page 8: Turning On And Setting The Control

    • After three minutes, the dew point of the incoming air is measured and compared to the Dryness Level Setting dryness level set on the Model 76 Control . If the dew point of the incoming air is above the setting, the compressor turns on and ON will blink on the Model 76 screen .

  • Page 9: Troubleshooting

    2. If connections are correct and secure, turn off the Model 76 will attempt to recover from the error every dehumidifier and remove the Model 76 . Use a short section Remote Control Self- 10 minutes . The Error Code will continue to be...
  • Page 10 TABLE 2 – ERROR CODES TABLE 3 – TROUBLESHOOTING GUIDE Error Symptom Possible Reason Troubleshooting Procedure Code Failure Mode Action Reset Verify wiring connections between control, Incorrect wiring . 1. Check the low temperature sensor connection at the power dehumidifier and HVAC system (where applicable) . board .
  • Page 11 AprilairePartners.com P.O. Box 1467 Madison, WI 53701-1467 800.334.6011 F: 608.257.4357 Printed in USA ©2019 Aprilaire – Division of Research Products Corporation 61001718 B2208436A 4.19...

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