Aprilaire 1952 Specifications Page 1

Model 1850F DehumidifierInstallation and Operating ManualREAD AND SAVE THESE INSTRUCTIONS CAUTION1. Read all instructions before beginning installati

SERVICE PARTSNo. Part Description Part No.1 Filter, 12” x 12” x 1” EZK 54992 InternalControlBoard,Deh 54443 UserInterfaceAssembly,Deh 54454 Wiri

LIMITED WARRANTYWARRANTY REGISTRATIONYour Research Products Corporation Aprilaire® Dehumidifier is expressly warranted for five (5) years from date of

P.O.Box1467•Madison,WI53701-1467•Phone:800/334-6011 •Fax:608/257-4357•www.aprilairepartners.com10010677 3.14B2206280APrinted in U.S.A.©

SPECIFICATIONSModel 1850FWeight70 lbs.Capacity AHAM DH-1-2008 80°F, 60% RH Conditions95 pints per day @ 230 CFMPower 115 VAC, Single Phase, 60Hz8A ope

LOCATION CONSIDERATIONSTOP VIEWFILTERMINIMUMCLEARANCE FOR FILTER(EITHER SIDE)13"6" MINIMUM CLEARANCEFOR PROPER AIR FLOWELECTRICAL SERVICEACC

FLOATSwitchDH DHNORMALLY CLOSEDFLOAT SWITCHDRAIN INSTALLATIONLEVELINGCONDENSATE PAN, CONDENSATE PUMP AND FLOAT SWITCHAlevelsurfaceisrequiredtoen

SETTING THE DESIRED HUMIDITY LEVEL1.PresstheON/OFFbuttontoturnthedehumidifiercontrolON.Thedisplaywillshowthecurrent setting, and the

MAINTENANCECLEAN OR REPLACE THE AIR FILTERAfter initial installation the air filter should be checked and cleaned every 6 months. TheCLEANFILTERse

MODEL 76 – EXTERNAL CONTROL OR CRAWL SPACE/SEALED ATTIC CONTROL AND WIRINGWhenthedehumidifierislocatedinacrawlspace,sealedattic,orotherh

TROUBLESHOOTINGTechnical Support is available Monday through Friday, 7:00 a.m. to 5:00 p.m. CST, at (800) 334-6011. Use the guides on the following pa

TABLE 2 – Troubleshooting GuideSymptom Possible Reason Troubleshooting ProcedureDehumidifier does not turn on/run.Nopowertounit. • Checkthatthe