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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...
700 in the “Periodic Preventative Maintenance” section of this manual. Series models, and Models 350 and 360 have a built-in fan which draws air Your Digital Humidifier Control works in conjunction with your HVAC system through the Water Panel.
90-1235B Call Dealer for Service: The red light indicates that the humidifier is not Your Aprilaire Humidifier Control is installed in the cold air return duct. operating normally and that service is required. During the first heating season, your Humidifier Control needs to be set initially to match your home’s condition.
WATER PANEL CHANGE INDICATOR MANUAL MODE The control keeps track of humidifier operation time. The yellow “Change Water Panel” light flashes after a preset amount of running time has FIGURE B – Manual Mode elapsed. This running time is preset by the installer based on the humidifier model and water hardness.
90-1237 when control is moved to not operate, consult a heating contractor. Your Aprilaire humidifier is controlled by a Manual Humidifier Control (see “Test/Reset” position.) Figure C). The Manual Humidifier Control is installed either in the cold air Humidifier won’t shut off.
Your humidifier is designed to operate using hot, cold, hard or mechanically • Call your heating and air conditioning dealer. softened water. (Hot water is required for Models 350 and 360 and • Use our “Dealer Locator” at: www.aprilaire.com recommended for all models to ensure maximum performance.) •...
ANNUAL SUMMER SHUTDOWN PERIODIC PREVENTATIVE MAINTENANCE For Models 400, 400M, 500, 500M, 600 and 600M close the bypass NOTE: Periodic inspection and preventative maintenance of your total damper, which is a part of the humidifier, with the small damper handle. heating system is important for efficient and safe operation.
Panel. Clean the scale control insert of mineral deposits. Replace the Water Panel evaporator (Stock No. 35) with a Genuine Aprilaire Water Panel. Slide the Water Panel back into the scale control insert 8. Inspect the plastic feed tube (2) by gently flexing it and looking for cracks or signs of wear. Replace tube (3) and snap the distribution tray cover (4) into the distribution tray (2).
Genuine Aprilaire Water Panel. Slide the Water Panel evaporator back into the scale control Models 600 & 600M and Stock No. 10 for Models 500 & 500M) with a new Genuine Aprilaire Water insert with the colored spot up and snap the distribution tray (4) back into place.
WARRANTY REGISTRATION Visit us on-line at www.aprilaire.com to register your Aprilaire product. If you do not have on-line access, please mail a postcard with your name, address, phone number, model number of product purchased and date of installation to: Research Products Corporation, P.O.