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Aprilaire 400A manual

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Table of contents for the manual

  • Page 1

    RE AD A ND S A V E TH ES E IN ST RU CT IO N S O w n e r’ s M a n u a l F or M od el s 3 5 0, 3 60 , 40 0 A , 40 0M , 50 0 A , 5 00 M, 6 00 A , 6 00 M, 7 00 A & 7 0 0M I nc lu de s S a fe ty & O pe r a ti ng I ns t r uc ti on s a nd W a rr an ty I n f or ma ti on Humidifiers[...]

  • Page 2

    - 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 in[...]

  • Page 3

    - 3- - 2- W i t h yo ur p u r c h a s e o f th is h um i d i f ic at i o n s y s t e m , yo u ha v e i n v e s t ed i n a hu mi d i f i e r t h at o pe ra te s on t he e va po r a t iv e pr in ci pl e – na tu r e ’ s o wn w ay o f ad di ng m oi st u r e – pr ovi di ng op tim um re la tiv e hum i di ty ( RH) t hr oug hou t t he h ea tin g se a[...]

  • Page 4

    - 4- - 5- The Auto matic Di gital Hum idifier C ontrol o ffers two m odes of ope ration , Autom atic or Man ual. An ex planati on of both m odes foll ows. (Se e Figure A on page 5 f or Automa tic Mode . See Figur e B on page 6 for M anual Mo de.) When in th e Automa tic Mode, t his syst em offers t he follo wing bene fits: • You wil l always re c[...]

  • Page 5

    - 6- - 7- WATER P ANEL CHAN GE INDIC ATOR The con trol keep s track of h umidifi er opera tion time . The yell ow “Chang e Water P anel” lig ht flash es after a pr eset amo unt of runn ing time h as elaps ed. This ru nning ti me is prese t by the ins taller ba sed on the h umidifi er model a nd water ch aracte ristics . Refer t o the Annua l Ma[...]

  • Page 6

    - 8- - 9- You r Apr ilai re hu mid ifi er is co ntr oll ed by a M anua l Hum idi fie r Cont rol ( see Fig ure C ). The M anu al Hu mid ifie r Con tro l is in stal led e ith er in t he col d air ret urn d uct o r on an in ter ior w all of t he ho me. W ith t he Man ual H umi dif ier Con tro l, it is i mpo rta nt to a ntic ipa te a dr op in o utdo or[...]

  • Page 7

    - 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 oc cas ion, i ndo or mo ist ure pr odu cin g acti vit ies s uch as c lot hes d ryi ng, coo kin g, sho wer s, et c., m ay rai se th e RH le vel h ighe r tha n it sh oul d be, ev en tho ugh t he Ap rila ire [...]

  • Page 8

    - 12 - - 13 - 1. Disco nnect electr ical power to the HVAC and shut o ff water su pply. 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 i[...]

  • Page 9

    - 14 - - 15 - 9 12 6 11 10 3 7 8 5 2 1 4 MODELS 350 & 360 1. Fr ont C ove r 2. Fe ed Tu be 3. In teg ral B ypa ss Dam per 4. Wa ter P ane l Evap ora tiv e Ass emb ly 5. Di str ibu tio n Tra y 6. “V ” Not che s 7. Wa ter P ane l Evap ora tor 8. Sc ale C ont rol In ser t/F loa t Cha mbe r 9. Ov erf low D rai n Line 10. F loa t Cov er 11. F lo[...]

  • Page 10

    - 16 - - 17 - 9 6 3 7 8 5 2 1 4 1. Note Hu mid ifi er Co ntr ol se tti ng an d tur n dia l to th e “OF F” po sit ion . 2. Turn of f wat er su ppl y. Tu rn th e int egr al by pas s dam per ( 3) to t he SU MME R pos iti on. 3. Press t he ta bs in t he la tch es on t he to p and b ott om of f ron t cov er (1 ) and p ull c ove r off b ase wit h bot[...]

  • Page 11

    - 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, model number of product purchased and date of installation to: Research Products Corporation, P.O. BOX 1467, Madison, WI 53701 Thank you! Your Warranty Registration informa[...]