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Aprilaire 768 Owner's Manual
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Aprilaire 768 Owner's Manual

Aprilaire 768 Owner's Manual

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This Owner's Manual is provided and hosted by Appliance Factory Parts.
APRILAIRE 558A
Owner's Manual
Shop genuine replacement parts for APRILAIRE 558A
Find Your APRILAIRE Humidifier Parts - Select From 52 Models
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Summary of Contents for Aprilaire 768

  • Page 1 This Owner's Manual is provided and hosted by Appliance Factory Parts. APRILAIRE 558A Owner's Manual Shop genuine replacement parts for APRILAIRE 558A Find Your APRILAIRE Humidifier Parts - Select From 52 Models -------- Manual continues below --------...
  • Page 2 ® HUMIDIFIERS The Best Cure For Dryness ® OWNER’S MANUAL FOR MODELS 768, 760, 568, 560, 558, 550, 448, 445, 360, 350, 110, 112, 220, 224, & 440 Includes Safety, Operating and Maintenance Instructions and Warranty TABLE OF CONTENTS PAGE Introduction ..........Inside Front Cover...
  • Page 3 However, if you still have difficulty in obtaining a replacement Water Panel evaporator, use the dealer locator in our web site (www.aprilaire.com) or look in the Yellow Pages under Humidifying Apparatus or Heating & Air Conditioning Contractors.
  • Page 4 Aprilaire provides all of these advantages. Here, briefly, is the method: The Aprilaire Humidifier (except the Models 350 and 360) is installed to operate in conjunction with the furnace blower motor. When the humidistat or Automatic Humidifier Control calls for humidity and the blower motor is operating, water flows to the distribution pan located at the top of the unit.
  • Page 5 Trouble- free performance and minimum maintenance are assured by the design features of the Aprilaire Humidifier. All unit housing parts that come in contact with water are non-metal and will never rust or corrode. Neither heat nor water will affect them under normal operating conditions.
  • Page 6 Make note of the dial setting in the event you temporarily move the knob when performing annual maintenance of the Aprilaire Humidifier. Humidity Level - 3 -...
  • Page 7 Your Aprilaire Automatic Humidifier, is a high precision system that will accurately maintain the relative humidity in your home. For every 1º change in outdoor temperature, the control will automatically adjust the indoor relative humidity (RH) by ⁄ If you would like to determine the RH in your home, follow these steps: 1.
  • Page 8 Manual Humidistat: (Automatic Humidifier Control – see pg 3) Your new Aprilaire Humidifier is controlled by a humidistat installed either in the living area or in the cold air return. It is important to anticipate a drop in outdoor temperature and reduce the setting accordingly to avoid excessive condensation.
  • Page 9 Generally, with all models except the 350 and 360 Aprilaire Humidifiers, the furnace blower motor must be operating for the Aprilaire Humidifier to function.
  • Page 10 Water Panel evaporator is usually changed once a year. In the Models 448 and 445 Aprilaire Humidifiers, these solids will build up on the evaporator surface, in the reservoir and pump section. This is why proper maintenance is important and necessary.
  • Page 11 VI. PERIODIC PREVENTATIVE MAINTENANCE NOTE: Periodic inspection and preventive maintenance of your total heating system is important for efficient and safe operation. Your heating contractor should include humidifier service at the same time. All models, except No’s. 448 and 445, are equipped with an in-line water strainer and orifice as shown below.
  • Page 12 MAINTENANCE INSTRUCTIONS APRILAIRE HUMIDIFIER MODELS 558-550-568-560 CAUTION! Sudden operation may cause personal injury or property damage. Turn humidistat or control to “off” or lowest setting before servicing. 1. Front Cover 2. Feed Tube 3. Nozzle 4. Water Panel Evapo- rative Assembly 5.
  • Page 13 MAINTENANCE INSTRUCTIONS APRILAIRE HUMIDIFIER MODELS 768-760 WARNING! 120 volts may cause serious injury from electrical shock. Disconnect power and shut off water supply before servicing. 1. Front Cover 2. Base 3. Evaporative Assembly 4. Distribution Tray 5. ”V” Notches 6. Water Panel 7.
  • Page 14 MAINTENANCE INSTRUCTIONS for APRILAIRE HUMIDIFIER MODEL 440 CAUTION! Sudden operation may cause personal injury or property damage. Turn humidistat to “off” or lowest setting before servicing. 1. Note humidistat setting and turn dial to the “Off” position. 2. Remove two aluminum knobs (1), swing up and remove top cover (2) from humidifier.
  • Page 15 MAINTENANCE INSTRUCTIONS FOR MODELS 448-445 RESERVOIR PUMP SECTIONS WARNING! 120 volts may cause serious injury from electrical shock. Disconnect power and shut off water supply before servicing. IMPORTANT: Clean and refill reservoir, hose, pump and float every 30 days during heating season.
  • Page 16 MAINTENANCE INSTRUCTIONS APRILAIRE HUMIDIFIER MODELS 350-360 WARNING! 120 volts may cause serious injury from electrical shock. Disconnect power and shut off water supply before servicing. 1. Inlet Grille 2. Distribution Tray 3. Scale Control Insert 4. Distribution Tray Cover 5. Water Panel 6.
  • Page 17 MAINTENANCE INSTRUCTIONS APRILAIRE HUMIDIFIER MODELS 110-112 WARNING! 120 volts may cause serious injury from electrical shock. Disconnect power and shut off water supply before servicing. 1. Water Supply Line 2. Feed Tube 3. Swing Locks 4. Closure Clip 5. Closure Clip 6.
  • Page 18 MAINTENANCE INSTRUCTIONS APRILAIRE HUMIDIFIER MODELS 220-224 CAUTION! Sudden operation may cause personal injury or property damage. Turn humidistat to “off” or lowest setting before servicing. 1. “Z” Clip 2. Closure Clip 3. Closure Clip 4. Compression Fitting 5. Distribution Pan Cover 6.
  • Page 19 LIMITED WARRANTY Your Research Products Corporation Aprilaire ® Humidifier unit is expressly warranted for one (1) year from date of instal- lation to be free from defects except, however, for the disposable water panel which will have to be replaced from time to time depending upon the amount of use.
  • Page 20 For the best in indoor air quality, ask your heating and cooling contractor about these fine Aprilaire products, or visit us www.aprilaire.com to solve your Indoor Air Comfort needs.
  • Page 21 SERVICE AND WATER PANEL REPLACEMENT RECORD Date Dealer Name P.O. BOX 1467 • MADISON, WI 53701-1467 Products For Better Indoor Air Quality ™ DP #10003882 5.9.00 Printed in U.S.A.

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