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 central air cleaners and humidifiers and a recognized leader in the heating and air conditioning industry today. Please be assured that in addition to product quality, we are also committed to performance as well as customer satisfaction. Imp

There are many benefits you may expect from your Aprilaire® Air Cleaner. This manual is furnished to acquaint you with these benefits, and with operation and maintenance information to insure the high level of performance this high efficiency air cleaner is designed to provide. An Aprilaire whole-house air cleaner is installed by your heating and air conditioning contractor as one of the components in your heating and cooling system. It cleans the air that circulates through your home (see Figur

They will help ensure a correct and SAFE installation of the Aprilaire® Electronic Air Cleaner. WARNING: • 120 Volts may cause serious injury from electrical shock. Disconnect power to the furnace/air handler before starting installation. Leave power disconnected until installation is completed. • Arcing in electrical components may cause an explosion. Do not install unit where explosive gasses will be present. • Sharp edges may cause injury from cuts. Use care when cutting and handling sheet me

We sincerely appreciate your business are pleased to add list of customers. With this you have invested highest quality equipment available. Research Products Corporation is the manufacturer of central air cleaners and humidifiers leader in the heating and air today. Please be assured that in addition to product quality, we are also committed to unit performance well as customer satisfaction. Important: replacement of the Aprilaire ® media is necessary. See page 6 for details. Now, please take a

Allergies (24 hour cycle): When seasonal allergies spike and outside air quality is at its worst, choose this option to run your air cleaner continuously for 24 hours then turn off. Bars are added to the filter life indicator section of the display in increments until it is time to change the filter, at which time all the bars will flash. Your filter will generally last a year, but this depends on a number of factors including your environment, construction details, pets, how often you run your

Normally once the heavy particles “fall out”, they are only reintroduced to the air by vacuuming, or similarly vigorous activity. Where allergy symptoms, which are aggravated by pollens and spores, are a concern, continuous cleaning is strongly encouraged. To recap, when removing household dust is the major benefit you are seeking, you should operate your air cleaner during and following periods when dust is being generated or “stirred up”. For pollens and spores which aggravate an allergy condi

Be sure to register your warranty with us for our records and your protection. © Research Products Corporation 2000 -2 Your Aprilaire ® Air Cleaner is an investment in healthful comfort for your family and protection for your home and furnishings. With this purchase, you have invested in an air cleaner that is many times more efficient than ordinary furnace or air conditioning filters with which you may familiar. There are many benefits you may expect from your Aprilaire ® Air Cleaner. This book

Should your new indoor air conditioning coil require professional cleaning in the next 10 years while properly using an Aprilaire Air Cleaner, we will pay $100 toward the cost of having the indoor coil cleaned by a licensed contractor. This commitment applies to new HVAC equipment with a new indoor air conditioner coil (less than six months old) installed with an Aprilaire Air Cleaner. The Aprilaire Air Cleaner must be installed by a licensed HVAC contractor. The Aprilaire Air Cleaner must be pr

Particles are measured in microns, which is a unit of measure used for very small things (1 micron = 1/25,400 inch). For reference, the diameter of a human hair is approximately 100 microns. Figure 2 shows the size of various particles that can be found in the air. Your model 4200 or 4400 with genuine Aprilaire SelfSeal™ filters is a highly efficient air cleaner. The removal efficiency defines the percent of particles entering the air cleaner that are trapped (see Table 1). Until now, the air cl

The visible household dust particles, and nearly all pollen and spore particles, therefore, can be caught and permanently held, very easily, if you can get them to the air cleaner. With central high efficiency air cleaners, the blower of your heating/air conditioning system performs the air movement function. Continuous air cleaning will be accomplished when your thermostat is set for continuous air circulation (“Fan On”). If continuous air cleaning is not required, or desired, set your thermost