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LIMITED WARRANTY ® Your Research Products Corporation Aprilaire Humidifier unit is expressly warranted for one (1) year from date of installation 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. Research Products Corporation’s exclusive obligation under this warranty shall be to supply, without charge, a replacement for any part of the humidifier which is found to be defective within one (1
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® ® The Aprilaire Indoor Air Comfort System is an integrated group of air quality enhancement products designed to work with your heating and cooling system to make your home more comfortable. For the best in indoor air quality, ask your heating and cooling contractor about these fine Aprilaire products, or visit us at www.aprilaire.com to solve your Indoor Air Comfort needs. ® ® Aprilaire Aprilaire Automatic Humidifiers High Efficiency Air Cleaners ® Aprilaire Zoned Comfort Control Systems ® ®
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SERVICE AND WATER PANEL REPLACEMENT RECORD Date Dealer Name - 17 -
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WARRANTY REGISTRATION Please… Take a few minutes to 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, product purchased and date of purchase to: Research Products Corporation P.O. BOX 1828 Madison, WI 53701 Thank you! Your Warranty Registration information will not be sold or shared outside of this company. P.O. BOX 1467 • MADISON, WI 53701-1467 DP 10006405 10.04 ©2004
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Automatic Humidifiers
Owner’s Manual
For Models 400, 550, 600 & 700
Includes Safety & Operating Instructions
and Warranty Information
READ AND SAVE THESE INSTRUCTIONS
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TABLE OF CONTENTS Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Principle of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Operating Instructions – Model 400, 600 & 700 • Automatic Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 • Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Operating
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INTRODUCTION ® Thank you for your recent Aprilaire Humidifier purchase. We sincerely appreciate your business and are pleased to add your name to our growing list of customers. With this purchase, you have invested in the highest quality equipment currently available. Research Products Corporation is the largest manufacturer of whole house humidifiers, air cleaners, and energy recovery ventilators and is a recognized leader in the heating and air conditioning industry today. Please be assured th
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I. PRINCIPLE OF OPERATION With your purchase of a humidification system, you have invested in a humidifier that operates on the evaporative principle – nature’s own way of adding moisture – and will provide the proper relative humidity throughout the heating season. It is very possible that you have questions concerning your new humidifier – questions on what it can do for you, and what you should do to receive maximum benefits from it. This booklet is intended to help you do exactly that. Natur
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Capacity is high because an average-size home (10,000 cu. ft.) requires the addition of approximately 9 gallons of water per day to maintain 35% relative humidity when the outside temperature is 20°. The smallest Aprilaire Humidifier under most operating conditions, has this humidifying capacity. 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
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II. OPERATING INSTRUCTIONS – 400, 600 & 700 There are 2 possible modes of operation of your Aprilaire Humidifier Control – Automatic and Manual. An explanation of both modes follows: Automatic Mode: (Manual Mode-see pg 6) Your Aprilaire Humidifier Control is installed in the cold air return duct. During the first heating season, your Humidifier Control needs to be set initially to match your home’s condition. Please follow these steps when adjusting your control (refer to Figure A). 1. Turn the
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T / E T S S E E T R The relative humidity in your home FIGURE A will now be accurately controlled to 7 meet your needs and should not 6 need further adjustment during 5 future heating seasons. Make note of the dial setting in the event you 4 temporarily move the knob when performing annual maintenance of 3 the Aprilaire Humidifier. 2 1 AUTOMATIC MODE Your Aprilaire Automatic Humidifier, is a high precision system that will accurately maintain the relative humidity in your home. For every 1° chan
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TABLE 2 – % Relative Humidity Guide Outdoor Temperature (°F) -10 0 10 20 30 40 1 10 10 10 15 20 25 2 10 10 15 20 25 30 3 10 15 20 25 30 35 4 15 20 25 30 35 40 5 20 25 30 35 40 45 6 25 30 35 40 45 45 7 30 35 40 45 45 45 As an example, if the outdoor temperature is 20°F, and, following step 3, the humidifier turns off at “5” on the dial range, then the RH in your home is 35%. Manual Mode: (Automatic Mode – see pg 4) Your Aprilaire Humidifier Control is installed in the cold air return. It is impo
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2 5 % T / E T S S E E T R % F 1 ° 5 TABLE 3 – Outdoor-Indoor Relative Humidity Outside Temperature Recommended RH +40°F 45% +30°F 40% +20°F 35% +10°F 30% 0°F 25% –10°F 20% –20°F 15% Your Aprilaire Humidifier Control FIGURE B is a precision instrument that can be used to determine the RH accurately in your home during the winter. To do this, follow these steps: 1. Activate the furnace blower by setting your thermostat to a higher temperature. 2. Turn the control dial setting to MANUAL MODE the “
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III. OPERATING INSTRUCTIONS – 550 Your new Aprilaire Humidifier is controlled by a manual humidistat installed either in the living area or in the cold air return. It is important to anticipate a drop in temperature and reduce the setting accordingly to avoid excessive condensation. For example, with an outside temperature of 20° the correct setting will be 35% relative humidity. If the temperature is expected to fall to 0° that evening, then merely reduce the setting to 25% several hours prior
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Service hot water, 140° maximum, is recommended with drain type units for increasing capacity and for heat pump applications. VI. ANNUAL MAINTENANCE For best performance, we recommend that you replace the Water Panel evaporator in your Aprilaire Humidifier annually with the exception of Model 400 which should be changed twice a season. If you have a Humidifier Control equipped with a water panel timer, the “Change Water Panel” light will be lit (during operation only) when it is time to change y
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VIII. PERIODIC PREVENTATIVE MAINTENANCE NOTE: Periodic inspection and preventative 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 are equipped with an in-line water strainer and orifice as shown below. These parts should be inspected and cleaned periodically to assure continued proper unit performance. INSPECTION AND SERVICE INSTRUCTIONS 1. Disconnect electrical power
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MAINTENANCE INSTRUCTIONS FOR APRILAIRE HUMIDIFIER MODEL 400 CAUTION! Sudden operation may cause personal injury or property damage. Turn Humidifier Control to “off” or lowest setting before servicing. 1. Front Cover 2. Feed Tube 3. Integral Bypass Damper 4. Water Panel Evaporator Assembly 5. Distribution Tray 6. “V” Notches 7. Water Panel 8. Scale Control Insert/Float Chamber 9. Overflow Hose 10. Float Cover MODEL 11. Float 400 12. Water Level Sensor Assembly 1. Note Humidifier Control setting
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MAINTENANCE INSTRUCTIONS FOR APRILAIRE HUMIDIFIER MODEL 600 CAUTION! Sudden operation may cause personal injury or property damage. Turn Humidifier Control to “off” or lowest setting before servicing. 1. Front Cover 2. Feed Tube 3. Integral Bypass Damper 4. Water Panel Evaporator Assembly 5. Distribution Tray 6. “V” Notches 7. Water Panel 8. Scale Control Insert 9. Drain Hose 1. Note Humidifier Control setting and turn dial to the “OFF” position. 2. Turn off water supply. Turn the integral byp
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MAINTENANCE INSTRUCTIONS FOR APRILAIRE HUMIDIFIER MODEL 700 WARNING! 120 volts may cause serious injury from electrical shock. Disconnect power and shut off water supply before servicing. 5 2 1. Front Cover Assembly 3 4 2. Base 1 6 3. Water Panel Evaporator Assembly 7 4. Distribution Tray 5. ”V” Notches 6. Water Panel 7. Scale Control Insert 8. Drain Hose 9. Power Cord 8 9 1. Note Humidifier Control setting and turn dial to the “OFF” position. 2. Disconnect electrical power and turn off water su
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MAINTENANCE INSTRUCTIONS FOR APRILAIRE HUMIDIFIER MODEL 550 CAUTION! Sudden operation may cause personal injury or property damage. Turn Humidistat to “off” or lowest setting before servicing. 3 5 4 6 10 8 1 1. Front Cover 2. Feed Tube 3. Nozzle 7 4. Water Panel Evaporator Assembly 5. Distribution Tray 6. ”V” Notches 7. Water Panel 8. Scale Control Insert 9 2 9. Drain Hose 10. Integral Bypass Damper 1. Note Humidistat setting and turn dial to the “OFF” position. 2. Turn offf water supply. Tur
