Related Manuals for DriSteem D77
Summary of Contents for DriSteem D77
- Page 1 DEHUMIDIFIER CONTROL MODEL D77 Controller Installation, Operation, and Maintenance Manual Read and save these instructions...
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Page 2: Table Of Contents
Model D77 troubleshooting guide . . . . . . . . . . . . . . . . . . - Page 3 3 . Do not use solvents or cleaners on or near the display and circuit board . Chemicals can damage components . Fill in the following information for your records Date of purchase ______________________________________________________________ Customer's name ______________________________________________________________ Model number ______________________________________________________________ Serial number ______________________________________________________________ D77 CONTROLLER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL...
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Page 4: Specifications
. In this application, the Model D77 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 5: Mount Control
• On an outside or unconditioned area wall . • In stairwells or near outside doors . • On a wall with concealed pipes or ductwork . FIGURE 5-1: MOUNTING LOCATION 18" MINIMUM FEET 90-1640 D77 CONTROLLER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL... - Page 6 Mount control FIGURE 6-1: DISASSEMBLE CONTROL BACK PLATE FRONT COVER 90-2504 FIGURE 6-2: MOUNT BACK PLATE ANCHOR BACK PLATE SCREW 90-2485 D77 CONTROLLER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL...
- Page 7 4 . Run a 4-wire cable from the dehumidifier to the wall mount location and through the square hole in the back plate . 5 . Secure the back plate to the wall using the two #8 x 1-1/2" screws . D77 CONTROLLER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL...
- Page 8 1 . Disconnect power to the dehumidifier and HVAC system . 2 . Remove the wiring access cover next to the control on the dehumidifier . 3 . Wire the Model D77 to the dehumidifier as shown in Figure 8-1 . FIGURE 8-1: MODEL D77 WIRING WITH DRISTEEM DEHUMIDIFIERS...
- Page 9 Installer Set Up is entered . 6 . Press the button to change to REMOTE ENABLED . 7 . Repeatedly press the MODE button until DONE appears on the display . 90-1854 D77 CONTROLLER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL...
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Page 10: Operation
2 . Plug in dehumidifier and restore power to the HVAC system . 3 . Turn on/off switch on dehumidifier ON . After a 4 second start up sequence all buttons on the Model D77 will be functional . • The control will be OFF . - Page 11 1 . Press and hold the ON button for 5 seconds to enter Test Mode . a . Verify the measured humidity is displayed on the Model D77 screen . b . Verify ON blinks on the Model D77 screen .
- Page 12 * will blink on the LCD screen . • The control will resume normal operation when the measured dew point is greater than 45°F (7°C) or the measured temperature is below 94°F (34°C), whichever control limit was exceeded . D77 CONTROLLER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL...
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Page 13: Error Codes
. DEHUMIDIFIER DIAGNOSTIC CODES When a dehumidifier error occurs, the diagnostic code will be displayed on the D77 screen . D77 CONTROLLER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL... -
Page 14: Troubleshooting
Change the offset . to the humidity reading . Control is mounted in Relocate the control . direct sunlight, above a heat or humidity source, or in the path of a supply register . D77 CONTROLLER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL... -
Page 15: Rl-31 Dehumidifier Diagnostic Codes
• If connections are correct and secure, turn off the dehumidifier and remove the Model D77 . Use a short section of 4-wire cable to reconnect the Model D77 to the control board . Turn the dehumidifier back on and increase the dryness level setting on the Model D77 . - Page 16 Out of 50°F Support . – 104°F (10 - 10°C) Range or Dew Point Below 36°F (2°C) Fan or Cycle power . If problem persists, contact Cycle Compressor Technical Support . Power Fault D77 CONTROLLER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL...
- Page 17 D77 CONTROLLER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL...
- Page 18 D77 CONTROLLER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL...
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Page 19: Warranty
Limited Warranty . EXTENDED WARRANTY The original user may extend the term of the DriSteem Limited Warranty for a limited number of months past the initial applicable warranty period and term provided in the first paragraph of this Limited Warranty . All the terms and conditions of the Limited Warranty during the initial applicable warranty period and term shall apply during any extended term . - Page 20 For the most recent product information visit our website: www .dristeem .com DRI-STEEM Corporation a subsidiary of Research Products Corporation DriSteem U .S . operations are ISO 9001:2015 certified U .S . Headquarters: 14949 Technology Drive Eden Prairie, MN 55344...
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