Aprilaire 400A manual

R E A D AN D S A VE T H E S E I N S TR U C T I O N S O w n e r ’ s M a n u a l F o r M o d e l s 350 , 360 , 400A , 500A , 500 M , 600A , 600 M , 700A & 700 M I n c l u d e s S a f e t y & O p e r a t i n g I n s t r u c t i o n s a n d W a rr a n t y I n f o r m a t i o n Hu m i d i f i e r s[...]

- 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. You have invested in the highest quality equipment available. Aprilaire manufactures whole-house indoor air quality products and is a recognized leader in the heating and air conditioning i[...]

- 3 - - 2 - W i t h y o u r p u r c h as e o f t h i s h u m id if i ca t io n s y s te m , y o u h a v e i n v es t ed i n a hu mi di fi er t ha t op e ra te s on t h e e va p or at iv e p ri nc i pl e – n at ur e’ s o wn w a y of a d di ng m oi st u re – p ro vid in g o pt im um rel at iv e h umi di ty (R H) t hr ou gh ou t t he he at in g [...]

- 4 - - 5 - The Auto matic Digit al Humidif ier Contro l offers two modes of ope ration, Automat ic or Ma nual. An explanat ion of b oth modes follows. (See F i gu r e A on page 5 for Automa tic Mode. See F i gu r e B on page 6 for Manual Mod e.) When in the Automatic Mode, this syste m offers the following benefit s: • Y ou w il l a l w a ys r e[...]

- 6 - - 7 - W A T E R P AN E L C H AN G E I N D IC A T O R The control keeps track of humidifier operation ti me. The ye llow “Change Water Panel” light flash es after a preset amount of running time has elapsed . This running time is preset by the installer based on the humidifi er model and water charact eristics. Refer to the Annual Maintena[...]

- 8 - - 9 - You r Apr ilai re humid ifie r is cont roll ed by a Manu al Humid ifie r Con trol (see F i gu r e C ). The Man ual Hu midi fier Contr ol is ins tall ed eit her in the col d air ret urn duct or on an interi or wall of the hom e. With the Ma nual Humi difi er Con trol , it is impo rtant to ant icip ate a drop i n outd oor tempe ratu re an[...]

- 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 occa sion , indoor mo istu re prod ucin g a ctiv itie s such as clothe s dryin g, coo king , showe rs, etc ., may ra ise the RH level higher than it sho uld be, even tho ugh th e Apri lair e hum idif ier i[...]

- 12 - - 13 - 1. Disconnec t 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. 4004. 5. Reconnect the inle[...]

- 14 - - 15 - 9 12 6 11 10 3 7 8 5 2 1 4 M O D E L S 350 & 360 1. F ront Cove r 2. F eed T ube 3. I nteg ral Bypa ss Da mper 4. W ater Pane l Eva por ativ e Assembly 5. D istr ibu tion Tray 6. “ V” No tche s 7. W ater Pane l Eva por ator 8. S cale Cont rol Inse rt/F loat Chamber 9. O verf low Drai n Lin e 10. Floa t Cov er 11. Floa t 12. Wa[...]

- 16 - - 17 - 9 6 3 7 8 5 2 1 4 1. Note H umid ifi er Co ntro l set ting and t urn d ial t o the “OFF ” posi tio n. 2. Turn o ff wa ter s uppl y. Tu rn th e int egra l byp ass damp er (3 ) to th e SUM MER p osit ion . 3. Press the ta bs in the la tche s on th e top and bo tto m of fr ont co ver (1) an d pull cove r off base wit h bot h han ds. [...]

- 18 - Visit us on-line at www . a p r il ai r e . c o m 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.O. BOX 1467, Madison, WI 53701 Thank you! Y ou r W a rr a n t y R e g i s t r a [...]