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Aprilaire'
Humidifiers
Owner's
Manual
For Models 350, 360, 400, 400M, 500,
500M, 600, 600M, 700 & 700M
Includes Safety & Operating Instructions
and Warranty Information
READ AND SAVE THESE INSTRUCTIONS

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Summary of Contents for Aprilaire 350

  • Page 1 Aprilaire' Humidifiers Owner's Manual For Models 350, 360, 400, 400M, 500, 500M, 600, 600M, 700 & 700M Includes Safety & Operating Instructions and Warranty Information READ AND SAVE THESE INSTRUCTIONS...
  • Page 2 Discomect power and shut off water supply before servicing. (www.aprilaire.com) or call 800-334 Purchase only genuine Aprilaire Panels to maintain peak performance CAUTION Sudden operation may cause personal injury or property damage. Turn the Aprilaire• Humidifier Control to "OFF or lowest setting before servicing.
  • Page 3 With bypassModels 400, 500 and 600 Series, HVACsystemairflow is YourDigitalHumidifierControl w orks drawn throughthe humidifierfrom the supplyductto the returnduct. 700 to control the operation of the humidii Series models. and Models 350 and 360 have a built-in fan which draws air outdoortemperatureand automatica throughthe WaterPanel. humidifierto providetheoptimumhul...
  • Page 4 DIGITAL HUMIDIFIER CONTROL INDICATOR LIGHTS Call Dealer for Service: Thered light indicatesthat the humidifieris Your Aprilaire HumidifierControl is operatingnormallyandthat serviceis required. During the first heating season, yc initially to matchyour home'scondit Change Water Panel: The yellow light indicatesthat it is time to change adjustingyourcontrol(referto Figure the Water Panel in the humidifier.
  • Page 5 WATER PANEL CHANGE INDICAT MANUAL MODE The control keepstrack of humidifier Water Panel" light flashes after a FIGURE B - Manual Mode elapsed. T hisrunningtime is presetb model and water hardness. Control Refer to the Annual Maintenance Water Panelor call your heatingan After theWater Panel i s replaced, t un position until the green "Humidifier ( Panelchange timer.
  • Page 6 Tum dial to "Test/Reset". Make certain (Solenoiddoes not "click" HVAC bloweris operating. I f unit still when control is notoperate, c onsult a heatingcontractor. Your Aprilaire humidifier is controlled ETest/Reset" Figure C).The ManualHumidifierCo Humidifier wont shut off Turn dial to "Off". If unit continues to return duct or on an interior wall of tl operate.
  • Page 7 Your humidifier is designed to operate using hot. cold. hard or mechanically • Callyourheatingandair conditionil softened water. (Hot water is required for Models 350 and 360 and • Use our "Dealer Locator" at: wam. recomrnerüd forall rnodelsto ensuremaximum performance.) •...
  • Page 8 ANNUAL SUMMER SHUTDOWN PERIODIC PREVENTATIVE MA For Models 400, 400M, 500, 500M, 600 and 600M close the bypass NOTE:Periodicinspection and prele damgpr.whichis a part of the humidifier,with the small damperhandle. heatingsystemis importantfor effici contractorcan service your humidifier Humidifier Control: All modelshavea distributiontray ab DigitalHumidifierControl i n AutomaticMode(seeFigure A): inspected annuallyandcleanedof exc No adjustrnent is necessary.
  • Page 9 REQUIRED MAINTENANCE INSTRUCTIONS REQUIRED MAINTEN (APRILAIRE HUMIDIFIER MODELS 350 & 360) (APRILAIRE HUMIDIFIE WARNING 120voltsrnay cause seriws injury frun elætrical s hockDisconnæt Sudden maycause smal shut off watg supplytpfore servicing. Tum Humidifier Control to 1. Front Cover 2 Feed B',passOarn*r 4.WaterParelEvamyati%...
  • Page 10 REQUIRED MAINTENANCE INSTRUCTIONS REQUIRED MAINTEN (APRILAIRE HUMIDIFIER MODELS 500, 500M, 600 & 600M) (APRILAIRE HUMIDIFIE CAUTION SukfÆ1 e ratim may (Alsegprsonal injury darnage- ELECTRICAL SHOCK HAZARD. Twn Hunufffier (hntrol to "OFF"or IMest setting re servicing. elH;trical powersupplies lowmt setting beforeservicing.
  • Page 11 WARRANTY REGISTRATION Visit uson4ineat www.aprilaire.com to registeryour Aprilairoproduct. do not have access. p leasemail a postcard with your name.address. phonenumber.modelnumberof productpurchased anddate ot installation to: Products Corporation. P.O. B OX 1467. Madison, WI 53701 Your Warranty Registration information will not be sold orsharedoutsideof this company.

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