Instruction/ maintenance manual of the product 400A Aprilaire
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READ AND SA VE THESE INSTRUCTIONS Owner ’ s Manual For Models 350, 360, 400A, 500A, 500M, 600A, 600M, 700A & 700M Includes Safety & Operating Instructions and W arranty Information Humidifie.
- 1 - Thank you for your recent Aprilaire ® humidifier purchase. We appreciate your business and are pleased to add your name to our growing list of customers.
- 3 - - 2 - With your purchase of this humidification system, you have invested in a humidifier that operates on the evaporative principle – nature’s own way of adding moisture – providing optimum relative humidity (RH) throughout the heating season.
- 4 - - 5 - The Automatic Digital Humidifier Control offers two modes of operation, Automatic or Manual. An explanation of both modes follows. (See Figure A on page 5 for Automatic Mode.
- 6 - - 7 - WATER PANEL CHANGE INDICATOR The control keeps track of humidifier operation time. The yellow “Change Water Panel” light flashes after a preset amount of running time has elapsed. This running time is preset by the installer based on the humidifier model and water characteristics.
- 8 - - 9 - Your Aprilaire humidifier is controlled by a Manual Humidifier Control (see Figure C ). The Manual Humidifier Control is installed either in the cold air return duct or on an interior wall of the home.
- 11 - - 10 - Be sure to keep fireplace dampers closed when not in use. They provide an excellent escape route for heat, as well as humidity. On occasion, indoor moisture producing activities such as clothes drying, cooking, showers, etc., may raise the RH level higher than it should be, even though the Aprilaire humidifier is not operating.
- 12 - - 13 - 1. Disconnect electrical power to the HVAC and shut off water supply. 2. Disconnect the water line at the inlet compression nut. 3. Remove the in-line strainer from inside the inlet side of the valve by using a small nail or wire. 4. Flush the in-line strainer clean or replace with a new strainer, Part No.
- 14 - - 15 - 9 12 6 11 10 3 7 8 5 2 1 4 MODELS 350 & 360 1. Front Cover 2. Feed Tube 3. Integral Bypass Damper 4. Water Panel Evaporative Assembly 5. Distribution Tray 6. “V” Notches 7. Water Panel Evaporator 8. Scale Control Insert/Float Chamber 9.
- 16 - - 17 - 9 6 3 7 8 5 2 1 4 1. Note Humidifier Control setting and turn dial to the “OFF” position. 2. Turn off water supply. Turn the integral bypass damper (3) to the SUMMER position. 3. Press the tabs in the latches on the top and bottom of front cover (1) and pull cover off base with both hands.
- 18 - 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 installation to: Research Products Corporation, P.
An important point after buying a device Aprilaire 400A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Aprilaire 400A yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Aprilaire 400A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Aprilaire 400A you will learn all the available features of the product, as well as information on its operation. The information that you get Aprilaire 400A will certainly help you make a decision on the purchase.
If you already are a holder of Aprilaire 400A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Aprilaire 400A.
However, one of the most important roles played by the user manual is to help in solving problems with Aprilaire 400A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Aprilaire 400A along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
