Aprilaire 1850w, 1830 Zone, 90-1854selections, External Control, Deh W/Ac, RH Offset

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SYSTEM SET-UP & CHECKOUT (continued)

Zone

If installing the dehumidifier in a single zone application, select DISABLED and press MODE to go to the EXTERNAL control screen selections..

90-1854

If installing the dehumidifier in a two-zone application, use the UP or DOWN arrows to select ENABLED and press MODE to go to the EXTERNAL control screen

90-1854selections..

External Control

If using the dehumidifier on-board control select DISABLED and press MODE to go to the dehumidificaiton with air conditioning (DEH W/AC) screen

90-1854selections..

If using a Model 76, Model 8910, or Model 8620 as an external control or other third- party external control, such as a thermostat with dehumidifier

90-1854outputs, use the UP or DOWN arrows to select ENABLED and press MODE to go to the dehumidification with air conditioning (DEH W/AC) screen selections..

DEH W/AC

To allow dehumidification during active air conditioning, select ENABLED and press MODE..

90-1854

To disable dehumidification when the air conditioning is on, select DISABLED and Press MODE..

90-1854

RH Offset

An offset can be applied to the on-board humidity humidity reading to avoid discrepancies with other humidity measuring devices in the home.. Use the UP/

90-1854DOWN arrows to select an offset from -5% to 5%.. Press MODE to exit the installer set-up screens..

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Contents Installation Instructions Safety InstructionsTable of Contents Specifications SET UP Dehumidifier for Installation Standard basement and attic installations fully ductedCloset installations Crawl space, Sealed Attics or basement installationsTo move the control Control LocationDetach the on-board control by removing the four Hard Wiring Minimum Wire Size AWGVoltage Minimum Circuit CapacityWiring Instructions Hard WiringReattach the electrical service panel and side panel Location Considerations Condensate PAN, Condensate Pump and Float Switch Drain InstallationLeveling Ducting to Hvac System Basement and Attic Installations Required ComponentDuctwork Ducting NotesDucting to Hvac System Closet Installations Optional ComponentOptional Components Ductwork Grilles with 10 Duct CollarsDucting for TWO Zone Installations Whole-Home Primary Zone InstallationExternal Control Crawl SPACE/SEALED Attic ControlWiring the Dehumidifier to the Hvac System and Zone Dampers Wiring to the Hvac SystemOptional W & Y Wiring Wiring to Zone DampersSystem SET-UP & Checkout Zone 90-1854selectionsExternal Control DEH W/ACSystem SET-UP & Checkout Dehumidification OnlyZoning and/or Ventilation 90-1854energizedCrawl Space or Sealed Attic Remote Control Using Model Sampling will show on the displayTWO Zone Primary and Secondary Press the ON/OFF button to turn the dehumidifier control onIntake Hood AWG Wire Installation & WiringVentilation Installation VentilationOutdoor Temperature Sensor Installation VentilationVENT-AUTO & VENT-TIMED Dehumidifier can ventilate in four modesRecord the required CFM Determine Fresh AIR Delivery RateCFM Required CFM DeliveredDisabled screen appears For 3 seconds to accessRepeatedly until the Vent Adjusting Ventilation Time After Initial SET UP Sequence of OperationDehumidifying the Fresh AIR Ventilation with AN External ControlDiagnostic Codes TroubleshootingDiagnostic Codes Troubleshooting Troubleshooting Guide Service Parts 10010759 B2206316A