Summary of the content on the page No. 1
Humidifiers
Owner’s Manual
For Models 350, 360, 400A, 500A, 500M,
600A, 600M, 700A & 700M
Includes Safety & Operating Instructions
and Warranty Information
READ AND SAVE THESE INSTRUCTIONS
Summary of the content on the page No. 2
TABLE OF CONTENTS INTRODUCTION ® Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Thank you for your recent Aprilaire humidifier purchase. We appreciate Principle of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 your business and are pleased to add your name to our growing list of customers. You have invested in the highest quality equipment available. Operating Instructions – Models
Summary of the content on the page No. 3
There are some homes where drain facilities are not accessible or available. PRINCIPLE OF OPERATION For these situations, or where high water hardness is not a problem, the With your purchase of this humidification system, you have invested in a humidifier Model 400A is designed to satisfy these applications. that operates on the evaporative principle – nature’s own way of adding moisture Trouble-free performance and minimum maintenance are assured by the – providing optimum relative humidity (
Summary of the content on the page No. 4
OPERATING INSTRUCTIONS – MODELS 400A, 500A, 600A & 700A AUTOMATIC MODE The Automatic Digital Humidifier Control offers two modes of operation, Automatic or Manual. An explanation of both modes follows. (See Figure A FIGURE A – Automatic Mode on page 5 for Automatic Mode. See Figure B on page 6 for Manual Mode.) When in the Automatic Mode, this system offers the following benefits: • You will always receive the optimum amount of humidity so that your home and its furnishings are always protected
Summary of the content on the page No. 5
Relative Humidity (%) 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 characteristics. Refer to the Annual Maintenance section for instructions on changing the Water Panel or call your heating and air conditioning dealer for service. After the Wat
Summary of the content on the page No. 6
TABLE 3 – Operation Guide OPERATING INSTRUCTIONS – MODELS 350, 360, 500M, 600M & 700M Condition Solution Condensation on windows. Reduce the setting on the control dial by FIGURE C – Manual Humidifier Control 1 increment. Lack of humidity. Increase the setting on the control dial by 1 increment. Humidifier does not operate. Turn dial to “Test/Reset”. Make certain (Solenoid does not “click” HVAC blower is operating and HVAC is when control is moved to calling for heat. If unit still does not “Te
Summary of the content on the page No. 7
ADDITIONAL INFORMATION FOR ALL MODELS ANNUAL MAINTENANCE Be sure to keep fireplace dampers closed when not in use. They provide an For best performance, we recommend that you replace the Water excellent escape route for heat, as well as humidity. Panel evaporator in your Aprilaire humidifier at least annually with the exception of Model 400A which should be changed at least On occasion, indoor moisture producing activities such as clothes drying, twice per heating season. cooking, showers, etc
Summary of the content on the page No. 8
ANNUAL SUMMER SHUTDOWN PERIODIC PREVENTATIVE MAINTENANCE For Models 400A, 500A, 500M, 600A and 600M close the bypass damper, NOTE: Periodic inspection and preventative maintenance of your total which is a part of the humidifier, with the small damper handle. heating system is important for efficient and safe operation. Your heating contractor can service your humidifier at the same time he services the Humidifier Control: HVAC system. Automatic Digital Humidifier Control in Automatic Mode (see F
Summary of the content on the page No. 9
REQUIRED MAINTENANCE INSTRUCTIONS REQUIRED MAINTENANCE INSTRUCTIONS (APRILAIRE HUMIDIFIER MODELS 350 & 360) (APRILAIRE HUMIDIFIER MODEL 400A) WARNING CAUTION 120 volts may cause serious injury from electrical shock. Disconnect Sudden operation may cause personal injury or property damage. power and shut off water supply before servicing. Turn Humidifier Control to “OFF” or lowest setting before servicing. 5 1. Front Cover 6 4 2. Feed Tube 4 8 3. Integral Bypass Damper 2 7 4. Water Panel Evapor
Summary of the content on the page No. 10
REQUIRED MAINTENANCE INSTRUCTIONS REQUIRED MAINTENANCE INSTRUCTIONS (APRILAIRE HUMIDIFIER MODELS 500A, 500M, 600A & 600M) (APRILAIRE HUMIDIFIER MODELS 700A & 700M) CAUTION WARNING Sudden operation may cause personal injury or property damage. ELECTRICAL SHOCK HAZARD. Can cause injury or death. Disconnect Turn Humidifier Control to “OFF” or lowest setting before servicing. all electrical power supplies before servicing. Turn Humidifier Control to “OFF” or lowest setting before servicing. 4 5 3 5
Summary of the content on the page No. 11
LIMITED WARRANTY ® Your Research Products Corporation Aprilaire humidifier unit is expressly warranted for five (5) years from date of installation to be free from defects in materials or workmanship 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
