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READ AND SAVE THESE INSTRUCTIONS

Includes Safety, Operating and Maintenance

Instructions and Warranty

TABLE OF CONTENTS

PAGE 

Introduction............................................................................1
Principle of Operation ............................................................2
Operating Instructions

•Automatic Mode................................................................4
•Manual Mode ....................................................................6

Effect of Water Characteristics ..............................................8
Annual Maintenance ..............................................................9
Annual Summer Shutdown ....................................................9
Periodic Preventative Maintenance .......................................9

MAINTENANCE INSTRUCTIONS

Models 400.......................................................................11
Model 600 ........................................................................12
Model 700 ........................................................................13

Limited Warranty..................................................................14
Replacement Record .....................................................18, 19

AUTOMATIC HUMIDIFIER

 The Best Cure For Dryness

®

®

FOR MODELS 400, 600, & 700

OWNER’S MANUAL

Summary of Contents for 400 Series

Page 1: ... Operating Instructions Automatic Mode 4 Manual Mode 6 Effect of Water Characteristics 8 Annual Maintenance 9 Annual Summer Shutdown 9 Periodic Preventative Maintenance 9 MAINTENANCE INSTRUCTIONS Models 400 11 Model 600 12 Model 700 13 Limited Warranty 14 Replacement Record 18 19 AUTOMATIC HUMIDIFIER The Best Cure For Dryness FOR MODELS 400 600 700 OWNER S MANUAL ...

Page 2: ... 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 fresh air exchangers and is a recognized leader in the heating and air conditioning industry today Please be assured that in addition to product quality we a...

Page 3: ...ifier is installed to operate in conjunction with the furnace blower motor When the Aprilaire Humidifier Control calls for humidity and the blower motor is operating water flows to the distribution tray located at the top of the unit The water is uni formly distributed across the width of the tray and through a scien tifically designed system of outlets It flows by gravity over the Water Panel eva...

Page 4: ...s the heart of the unit and must be in good condition to assure high capacity trouble free performance It should be changed once a year with the exception of the Model 400 where it should be changed twice a season The granular coating in the bottom of the distribution tray is designed to provide equal distribution of the water to each of the openings assuring an even flow of water over the Water P...

Page 5: ...ng on your personal comfort and home s requirements Refer to the Operation Guide Table 1 2 During the coldest portion of the first heating season minor 4 Table 1 Operation Guide Condition Solution Condensation on windows Reduce the setting on the control dial by 1 increment Lack of humidity Increase the setting on the control dial by 1 increment Humidifier does not operate Turn dial to Test Make c...

Page 6: ... on Next slowly turn the dial counter clockwise until you hear the solenoid valve click off At this point make note of the dial setting 4 Locate your dial setting on Table 2 Follow the dial setting to the right until it intersects with the current outdoor temperature This is the relative humidity in your home under existing conditions 5 Return the thermostat and the control to their original setti...

Page 7: ... average home These settings represent a compromise between RH levels that would be most desirable for comfort reasons and humidity levels that are suitable for protection of your home and to avoid condensation on your windows For example a wintertime indoor RH of 50 may be considered ideal but unfortu nately it probably would result in damage to your home Observance of the recommended RH levels o...

Page 8: ...coming out at the drain reduce the humidistat setting to the recommended inside relative humidity depending on the outside temperature DO NOT LEAVE IN TEST MODE AS HUMIDIFIER WILL NOT OPERATE Follow the suggested settings prior to a drop in the outside temperature MANUAL MODE Figure B tion of too high relative humidi ties This same condensation can take place in other areas in your home with the p...

Page 9: ...r humidifier will operate effectively using either hot cold hard or mechanically softened water Whether to use available tap water even though it may be quite hard or chemically softened water is a common concern to homeowners when installing a humidifier Water used in homes contains varying amounts of minerals The residue remaining as a result of hard water evaporation is primarily calcium and ma...

Page 10: ...Genuine Aprilaire Water Panels to maintain performance V ANNUAL SUMMER SHUTDOWN 1 For Models 400 and 600 close the bypassdamper With the use of the small damper handle 2 Shut off the water supply to the humidifier by closing the sad dle valve Humidifier Control There is no adjustment to the Humidifier Control required for summer shutdown Applies to both Automatic and Manual Mode VI PERIODIC PREVEN...

Page 11: ...ervice Department Part No 4004 5 Replace the in line strainer and reconnect the inlet water line Double Wrench To Prevent Leaking 6 Disconnect the water line at the outlet compression nut 7 Remove the orifice from the copper or plastic tube and make sure this small opening is unplugged 8 Replace the orifice and reconnect the outlet water line Double Wrench To Prevent Leaking 9 Turn on water supply...

Page 12: ...sert float chamber and dispose of the water panel Inspect the overflow hose 9 to make sure it is open 7 Remove the float cover 10 and inspect the floats 11 and float chamber for mineral build up Remove deposits as needed from floats float chamber and scale control insert Wash the parts with a disinfecting cleaner Reassemble the floats and float cover Make sure stems of both floats extend through o...

Page 13: ...col ored spot up and snap the black distribution tray back into place 7 Re install the Water Panel evaporator assembly into the unit by fitting its drain tube into the round receptacle at the base of the unit Push the assembly in at the top against the beveled tabs that will hold it in place Push the end of the feed tube back firmly into the distribution tray and replace the front cover 8 Remove t...

Page 14: ...to the scale control insert with the red colored spot up and snap the black distribution tray 4 back into place 7 Re install the water panel evaporator assembly 3 into the base assembly 2 Push it in at the top between the retaining ribs that hold the assembly in place in a vertical posi tion 8 Remove the drain hose 8 from the bottom of the unit Bend and flex it to loosen the internal calcium depos...

Page 15: ...CTS IN WORKMANSHIP OR MATERIALS FURNISHED BY YOUR INSTALLER AS CONTRASTED TO DEFECTS IN THE HUMIDIFIER ITSELF IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE SHALL BE LIMITED IN DURATION TO THE AFORESAID ONE YEAR PERIOD RESEARCH PRODUCTS CORPORATION S LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES OTHER THAN DAMAGES FOR PERSONAL INJURIES RESULTING FROM ANY BREACH OF TH...

Page 16: ...utomatic humidifier Aprilaire High Efficiency Air Cleaners Nobody Makes Clean Air Easier Delivers the cleanest healthiest air ever available from a whole house air cleaner THE BEST IN INDOOR AIR COMFORT Aprilaire Zone Control Systems Custom Comfort Throughout Your Home The most reliable way to achieve temperature control in every area of your home Aprilaire Energy Recovery Ventilator Only The Fres...

Page 17: ...SERVICE AND WATER PANEL REPLACEMENT RECORD Date Dealer Name ...

Page 18: ...SERVICE AND WATER PANEL REPLACEMENT RECORD Date Dealer Name ...

Page 19: ...DP 10005406 Printed in U S A P O BOX 1467 MADISON WI 53701 1467 Products For Better Indoor Air Quality ...

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