Kenmore 303.9380612 Dehumidifier User Manual
Contents
1. CAUTION e Safety Before using this product read this manual and follow all its Safety Rules and Operating Instructions e Operation e Installation e Maintenance e Repair Parts e Espanol Sears Roebuck and Co Hoffman Estates IL 60179 U S A www sears com Warranty awsuawsew asia oki ai 2 Safety I SUUCUSN ae oi ak ati 3 Before You Start Understanding Humidity 00000 000 00 eeeeeeeeeeeeeeeee 4 Installation aes Jaka wcll eta Sea ANNA 5 Selecting a Location FIUMIGISTAE sistesssetescorsatusaresctecnencesesesvnatecuessasasenetes Standard Wiring Method 00 00 eee eeeeeeeeee 8 Alternate Wiring Methods 0 eee 9 Water SUDDIY sisineneenis nis PO ea OpSTAlU wss tiki zwi z czeki zzz zc ka Water Level Check FiumidiStat 2d O TIEA ya Maintenance nice antec ell eho Adjusting the Float Summer Shutdown Fall Startup 14 MWOUBIESHOOLING n fad heenivn is iva tein Wa aie 15 Repair PartS aakasacakaAAUnARNeNAi 16817 FULL ONE YEAR WARRANTY ON HUMIDIFIER If this humidifier fails due to a defect in material or workmanship within one year from the date of purchase Sears will repair it free of charge The media pad is an expendable part and its replacement is not covered by this warranty Warranty service is available in the United States by calling Sears at 1 800 4 MY HOME This warranty gives you2. In the space below record the model and serial numbers and the date of your purchase You will find the model and serial number on a silver sticker located on the side of the unit Keep this manual and your Sears sales receipt in a safe place for future reference Once you purchase the Agreement a simple phone call is all that it takes for you to schedule service You can call anytime day or night or schedule a service appointment online Sears has over 12 000 professional repair specialists who have access to over 4 5 million quality parts and accessories That s the kind of professionalism you can count on to help prolong the life of your new purchase for years to come Purchase your Master Protection Agreement today Some limitations and exclusions apply For prices and additional information call 1 800 827 6655 Serial No Date of Purchase Sears Roebuck and Co a RULES FOR SAFE INSTALLATION 8 OPERATION Read these rules and the instructions carefully Failure to follow the rules and instructions could cause bodily injury and or property damage Ground the humidifier to prevent electric shock Follow a regular service and maintenance schedule Never oil any part of the humidifier Check your local building codes and utility standards The installation must comply with their rules Always shut off electricity and water to humidifier before serv
3. lt Reservoir Divider Fig 22 10 Remove the quick disconnect socket brass 11 compression nut and brass sleeve from hardware bag Fig 23 With water supply tubing cut to the proper length slide the brass compression nut and sleeve over the tubing as described in Step 5 Page 10 Slip the brass insert into the end of the tubing Insert the tubing end into the quick disconnect socket as far as it will go and hold it there Thread the brass compression nut onto the quick dis connect socket then tighten using two wrenches one to hold quick disconnect socket and one to tighten nut Do not over tighten nut Fig 23 QUICK DISCONNECT ASSEMBLY Quick Disconnect packet 1 4 Plastic Water Supply Tubing Fig 23 ET 12 13 Connect the quick disconnect socket to the plug on the valve body Fig 24 Sleeve Humidifier Fig 24 To connect pull back sleeve push socket onto plug release sleeve To disconnect pull back sleeve unlocking quick disconnect and sealing water supply line separate from the plug It is best to install an overflow line Local building codes may require it The overflow hole is in the bottom left front corner of the reservoir Fig 20 Use 1 2 inner diameter rubber or plas tic tubing to connect to drain Tubing not sup plied Purchase at your local hardware store WATER 1 Turn on Water s check t at all co EVE CHECK he
4. of working area on each side to make the electrical and water connections B if Supply Air Plenum is ANN Warm to Touch During Heating Cycle Place Humidifier Here or Here Duct Air Conditioner Coil Fig 1 NOTE The easiest and quickest way to service the humidifier will be from the front To service from the front you will need 23 of space in front of the plenum and only 2 of space below the humidifier Fig 2 FRONT SERVICING Fig 2 f you do not have 23 of space in front the humidifier must be serviced from the bottom Servicing from the bottom will require 712 clearance Fig 3 f you do not have the space needed or have a counterflow furnace refer to the installations shown in Fig 4 5 and 6 NOTE If you have an air conditioning coil in your supply air plenum install the humidifier above or to he slope side of the coil CAUTION Be careful not to damage coil when cutting into plenum Fig 1 BOTTOM SERVICING To f Fig 3 TYPICAL REMOTE INSTALLATION In some cases it is impossible to install the humidifier directly to the supply air plenum plenum too small horizontal attic furnace etc For remote mounting see Fig 4 Connect the humidifier to the supply air plenum using the Remote Installation Kit Sears Stock No 9372 REMOTE INSTALLATIONS Adaptor Flanges Supports in a Secure
5. 2 Disconnect the water supply tubing at the quick disconnect The water will automatically shut off 3 Remove the drain line if used and catch any water with a pail 4 Front Service preferred Remove the front panel disengage the media motor electrical disconnect remove the overflow tubing slide out the reservoir and media wheel assembly 5 Bottom Service only if insufficient space in front Remove the front panel disengage the media motor electrical disconnect remove the overflow tubing remove the lower rod screw unlatch and remove the lower case and slide out the reservoir and media wheel assembly Use care when removing either the reservoir assembly or the lower case and reservoir assem bly since the reservoir is filled with water 6 Remove the media motor and panel assembly by releasing the clip and sliding the assembly upward from the reservoir divider Slide the reservoir divider upward from the reservoir and remove 7 Empty the water from the reservoir 8 Rinse and clean the reservoir media media wheel and reservoir divider after removing any lime buildup Detergent such as vinegar or Sears All Purpose Humidifier Cleaner Stock No 42 14713 may be used to loosen lime deposits NOTE To aid in future cleaning an optional accessory Reservoir Liner may be purchased through the Sears Parts Department call 1 800 4 MY HOME to order Part No 215682 01 see Exploded View Page 17 The liner
6. 9 on the lower edge of the front panel simply lift the front panel about 1 8 straight up swing the lower edge out pull down until the front panel is free Remove lower rod screw Fig 9 Disconnect media motor wiring at the electrical disconnect Grasp both ends of the electrical disconnect and simply pull apart Fig 9 WARNING Do not pull on wires to separate electrical connector Conduit Upper Case Electrical Disconnect Box lt Zid Lower Case Reservoir Assembly Finger Grips Latch Fig 9 Remove the reservoir assembly Remove the lower case from the humidifier by unfastening the latches on both sides and removing the lower rod screw Set the lower case reservoir media wheel assembly and front panel aside Remove the humidistat from the lower case Hang the upper case assembly on plenum stiff ener mounting tabs Fig 7 Tabs may have to be bent out slightly to fit into the slots in the back of the upper case assembly Secure the upper case to the stiffener by pressing the capped fastener No 47 Page 16 through the back of the humidifier and into hole A Fig 10 NOTE It is very important that this fastener be used If the upper case is not attached with the fastener it could be dropped and damaged during routine maintenance A Conduit Box Hole A Fig 10 HUMIDISTAT l Locate the humidistat on the return cold air plenum Fig 11 D
7. Humidity can be puzzling It cannot be seen heard touched smelled or tasted Many people do not understand what a humidifier will or will not do Probably the best way to judge whether the humidity is too high too low or about right is to watch your windows If they are heavily fogged you most likely have too much If there is no moisture on them at all especially in the corners you have too little NOTE Moisture will not normally form on thermopane or when storm windows are used If there is some moisture in the window corners and along the edges the humidity is just about right This is a good rule of thumb if you do not have an expensive piece of test ing equipment Your comfort is another good check TYPICAL QUESTIONS ASKED 1 Why do moisture requirements vary from home to home Requirements depend on the amount and dryness of air to be humidified The larger and more loosely constructed the home the greater the quantity of moisture required 2 How can I best check my home s relative humidity First give your humidifier time to build up the humidity to an acceptable level Instruments are available to measure relative humidity but from a practical standpoint your comfort is the best guide You cannot depend on table top or wall hung dial gauges 3 How long will it take my humidifier to build up the humidity in my home Much depends on the outside temperature time of year home constructi
8. Manner Basement Furnace Mount Plenum Stiffener Mount Humidifier to to 2x4 Supports Plenum Stiffener Fig 4 HORIZONTAL FURNACE IN ATTIC OR CRAWL SPACE Always insure that the humidifier is located in the living area closet or utility room to easily access for maintenance servicing and to prevent freezing or water damage Fig 5 Hot Air Plenum Living Area Attic Furnace Inlet Outlet m JE Humidifier Floor El Humidifier Ceiling I Lane Craw Ju Space Furnace Liding Area Hot Air Plenum Fig 5 COUNT For instal furnace ERF OW FURNACE INSTALLATION supply ai ple lation of your humidifier on a counterflow see Fig 6 Connect the humidifier to the um using Remote Installation Kit Sears Stock No 9372 co NTERFLOW FURNACE INSTALLATION Return Air Plenum Plenum Air Plenum Fig 6 GRAVITY FURNACE INSTALLATION The humidifier works well on gravity furnaces because of its self contained blower system Use the Remote Installation Kit Sears Stock No 9372 The humidifier must be at least 6 away from the plenum due to the higher operating temperature of the furnace NOTE Furnace temperatures above 250 F may cause failure of fiberglass parts Fiber Plenum Ducts NOTE The mounting screws supplied are for standard installation on sheet met
9. Phone 1 800 366 7278 Specify Division 42 PLS 042 Part No 9114 Alternate Method 2 Any furnace with single speed 120 VAC Blower Humidifier runs only when furnace blower is running and the humidistat calls for additional humidity It s not necessary to turn humidifier OFF during the summer Fig 16 NEUTRAL White White TO HUMIDIFIER 120V FURNACE FAN MOTOR Alternate Method 3 Any furnace air conditioning system with multi speed furnace blower Humidifier runs only when furnace blower is running and the humidistat calls for additional humidity Humidifier is automatically off during cooling season With the thermostat in the FAN ON position the humidifier will not operate Fig 17 To C on o G on Transformer 4 Low Voltage ransformer Relay Panel Relay Panel SPDT Relay Sears Stock No 42 9248 To Low Heating Speed Motor Lead TO HUMIDIFIER Humidistat NEUTRAL 120 VOLT White Fig 17 Alternate Method 4 Sears 15 and 20 furnace with electrical comfort center Humidifier runs only when the furnace blower is run ning and the humidistat call for additional humidity The humidifier must be turned off manually during the cooling season Fig 18 White TO HUMIDIFIER Humidistat Factory Connections Not Shown Fig 18 NOTE The humidifier and humidistat have a green ground wire which must be connected to ground
10. TEST GFF Fig 26 2 Change the knob settings as outdoor temperature changes occur WARNING Do not leave the knob in the in the TEST position above 20 or the humidifier will run constantly If sweating of windows or walls occurs 1 Check the indicator setting The indicator should point to the number that represents the lowest expected 24 hour outdoor temperature Wait 24 hours before changing the indicator setting 2 If the indicator setting in Step 1 is correct and conditions have not changed rotate the knob back and forth from the TEST to minimum humidity setting If the humidifier goes on and off the control is operating properly 3 Remember to increase the indoor relative humidity turn the indicator clockwise lt 7 To decrease indoor relative humidity turn counter clockwise NOTE Because of differences in home construction the number of occupants and living habits in some homes when the anticipated 24 hour lowest outdoor temperature is for example 10 F your ideal humidi stat setting may be the low position Your humidifier will maintain its efficiency for a long eriod of time If it is not serviced damage may esult Service it every month Follow instructions elow Since water conditions vary it may be nec essary to service either more or less often Establish your own servicing schedule REGULAR MAINTENANCE 1 Turn off electricity at the fuse box
11. specific legal rights and you may also have other rights which vary from state to state Sears Roebuck and Co Hoffman Estates IL 60179 MASTER PROTECTION AGREEMENT Congratulations on making a smart purchase Your new Annual Preventive Maintenance Check at your request no extra charge e Fast help by phone phone support from a Sears Kenmore product is designed and manufactured for years of dependable operation But like all products it may require preventive maintenance or repair from time to time That s when having a Master Protection Agreement can save you money and aggravation Purchase a Master Protection Agreement now and technician on products requiring in home repair plus convenient repair scheduling Power surge protection against electrical damage due to power fluctuations Rental reimbursement if repair of your covered product takes longer than promised protect yourself from unexpected hassle and expense The Master Protection Agreement also helps extend the life of your new product Here s what s included in the Agreement Expert service by our 12 000 professional repair specialists Unlimited service and no charge for parts and labor on all covered repairs No lemon guarantee replacement of your covered product if four or more product failures occur within twelve months Product replacement if your covered product can t be fixed PRODUCT RECORD Model No
12. water supply at the saddle valve ould now flow into reservoir If not at saddle valve is open Check for leaks nections 2 Allow Reservoir to fill and check that water level is correct The water level should be between the two marks on the front side of the reservoir divider Fig 25 If the water level is not between the two marks a float adjustment may be required Refer to the Adjusting Float instructions found in the Maintenance Section on Page 13 to adjust float Water Level Fig 25 3 Test Turn on the electricity at the fuse box turn the humidifier power switch to the ON position and turn humidistat knob to the TEST position The humidifier blower should operate and the media wheel should rotate slowly at approximately one 1 revolution per minute The furnace may have to be running for the humidifier to operate depending on the wiring method used 4 Install front panel by sliding top of panel into channel in upper case Swing panel bottom in and down to engage channel in lower case 12 HUMIDISTAT 1 Set the knob to the lowest outdoor temperature expected for a 24 hour period Because of differ ences in house construction you may want to try a higher or lower setting to achieve proper humidity Fig 26 Kenmore HUMIDITY CONTROL GET CAL TO TE LOWEST TEMPERATURE PREDICTED FOR MEXT 2 HOURE DO NOT LEAVE DIAL SET IM TEST POSITION ABOVE s20 F
13. 1568601 Upper Case 4 21595401 Rod 5 28126101 Switch 6 21568301 Switch Plate vA 21572501 Conduit Box 8 STD 541010 Nut 2 Req No 10 24 9 030060 04 Screw Ground No 10 24 x 1 4 Hex amp Slotted Head 10 28112004 Strain Relief 11 STD 511003 Screw No 10 24 x 3 8 Cross Recess 12 22515601 Conduit Box Cover 13 STD 610803 Screw 2 Req No 8B x 3 8 Cross Recess 14 21570101 Front Panel 15 35561801 Saddle Valve 16 21582703 17 STD 541006 18 21568401 19 35585901 20 STD 510603 21 21572701 22 21586101 23 STD 575025 24 35561102 Includes Key Nos 23 amp 32 Plastic Supply Tubing 1 4 x 10 ft Nut 2 Req No 6 32 edia Motor Panel edia Motor Includes Key Nos 17 amp 20 crew 2 Req No 6 32 x 3 8 Cross Recess Plug Quick Disconnect Socket Quick Disconnect B F io rass Compression Nut oat Valve Includes Key Nos 25 30 THIS IS A PARTS LIST NOT A PACKING LIST 16 PART NO DESCRIPTION 03029401 21569101 28110201 22513801 28110101 42063901 21568101 STD 575026 35586301 21591001 21590701 21567702 35586101 35569203 21575001 35587001 03013712 28084602 28108701 21569801 35586201 STD 375005 03021303 21551001 28154601 41067501 03028603 21568201 21595801 21593601 Locknut Float Valve Body Pivot Pin Float Arm Float Valve Button 1 Req Float Reservoir Brass Compression Sleeve 1 4 Lower Case Reservoir Divider Assy
14. Connect the water supply tubing at the quick disconnect and allow the reservoir to fill Check the water level adjust the float if required and reinstall the front cover 14 Turn on the electricity at the fuse box push the humidifier switch to ON and turn the humidis tat to the TEST position to check the humidifier operation The furnace may have to be running for the humidifier to operate depending on elec trical connection Set the humidistat according to the outdoor temperature as instructed on label CAUTION Do not leave in TEST position MAINTENANCE STICKER It is suggested that you apply the Kenmore 303 93806 Furnace Humidifier Maintenance instructions sticker to either the return air plenum or a place in which they will be easily seen These instructions provide a quick reference for typical maintenance that may be needed on this product ADJUSTING THE FLOAT 1 Disconnect the water supply at quick disconnect 2 Remove the float and float arm by pulling out the float pivot pin Fig 27 Float Valve Button Body SS Valve Pivot Pin OIG AY D NI Reverse button if it has not been used Replace with new button if both sides are worn Fig 27 3 Raise the water level by rotating the float clock wise Rotate the float counter clockwise to lower the water level one complete turn will change the water level 1 8 Float Turn the humidifier power swit
15. Includes Key Nos 35 amp 36 Panel Clip Reservoir Divider Media Wheel amp Gear Includes Key No 39 Media Pad 42 9336 Clip 3 Req Blower Wheel Nut 4 Req No 8 32 Grommet 4 Req Eyelet Fan Blade Blower Motor Includes Key No 44 Wire Nut 2 Req Capped Fastener Wire Clip Wire Harness Brass Insert 2 Req Screw 2 Req Optional Accessory Reservoir Liner Owner s Manual Humidistat Not Shown REPAIR PARTS KENMORE 3000 CENTRAL HUMIDIFIER MOD E NO 303 9380612 EXPLODED VIEW 17 Your Home For repair in your home of all major brand appliances lawn and garden equipment or heating and cooling systems no matter who made it no matter who sold it For the replacement parts accessories and owner s manuals that you need to do it yourself For Sears professional installation of home appliances and items like garage door openers and water heaters 1 800 4 MY HOME 1 800 469 4663 Call anytime day or night U S A and Canada www sears com www Sears ca Our Home For repair of carry in items like vacuums lawn equipment and electronics call or go on line for the location of your nearest Sears Parts amp Repair Center 1 800 488 1222 Call anytime day or night U S A only www sears com To purchase a protection agreement U S A or maintenance agreement Canada on a pr
16. O NOT install the humidistat on the supply hot air plenum because the humidistat cannot accurately measure indoor relative humidity and will cause the humidifier to function improperly Cut Hole Return Air Plenum Gasket Furnace Fig 11 The humidistat mounts in a horizontal position Using gasket as a template mark the location of the two mounting holes and the opening for the humidistat on the return air plenum Drill 1 8 holes for two mounting screws Cut out the opening for the humidistat 4 Peel off the paper from the back of the gasket and stick the gasket on the return air plenum 5 Remove the humidistat knob by gently pulling straight out Remove the cover screw and the cover Fig 12 Knob Cover Screw Under Knob Fig 12 6 Mount the humidistat on the return air plenum with the screws furnished 7 Follow the wiring diagram for the standard or alternate method of wiring you select Use an approved electrical cable containing copper conductors only Make all connections inside the junction boxes and use approved strain relief or conduit connectors to secure the cable to the junction boxes per local code 8 For maximum safety the humidifier must be grounded Use separate wire or ground to the grounded 120V electric supply junction box by using electrical cable with ground wire and connecting to the green wire in the humidistat junction box and the humidifier juncti
17. Owners Manual CENTRAL HUMIDIFIER 3000 18 Gallon Output Per Day Humidifies up to 3 000 sq ft Model No 303 9380612
18. al plenum ducts If you have fiber plenum ducts install the plenum stiffener and components with thru bolts nuts and washers not supplied If necessary reinforce the humidifier mounting area on fiber ducts with sheet metal and provide additional bracing as required to support the weight of the humidifier and water This fiber duct installation hardware is not supplied and must be purchased from you local hardware store You may also consider using the remote mount instal lation if you have fiber ducts Purchase the Remote Installation Kit separately from Sears Stock No 9372 1 The Plenum Stiffener is mounted on the supply air plenum Mark a level line at least 2 above the top of the furnace on the selected surface if ront service method Fig 2 is used If the humidifier is to be serviced from the bottom Fig 3 mark a level line at least 72 above the top of he furnace Hold stiffener against the plenum with the bottom edge on a level line and bent edge flanges towards you Using a pencil mark he location of all holes except hole A on lenum Fig 7 lt From Supply SUPPLY AIR PLENUM Wider Than Stiffener Mounting Reference Holes Reference Holes Level Min Line Clearance 2 to service from front Fig 2 74 to service from bottom Fig 3 Fig 7 Mounting Holes If plenum is narrower than stiffener The stiffener ca
19. ch OFF Disconnect the media motor electrical disconnect Remove the reservoir and detach the clip 07 Sh TE Remove the media motor panel and media wheel 8 Remove the reservoir divider Pour the water from the reservoir into a suitable container 9 Reassemble the humidifier Reconnect the water supply and recheck the water level SERVICING THE FLOAT If the humidifier has been overflowing the float valve button may be worn This button will wear much like a faucet washer To service 1 Turn off the water at the saddle valve 2 Disconnect the water line at the humidifier 3 Remove the float from the humidifier pull out pivot pin 4 Remove the float valve button and turn it over or replace it if both surfaces are worn as shown in Fig 27 5 Reinstall and turn on the water and test the float CAUTION Do not use tablets in an attempt to control lime deposits in this humidifier Use of tablets may cause the humidifier to splash causing damage to the humidifier or furnace 14 IF AIR IS TOO DRY AND WINDOWS ARE NOT SWEATING 1 Wait until the furnace blower comes on Then rotate humidistat knob back and forth from TEST to the OFF humidity setting If the humidifier goes on and off the humidistat is operating properly Check for proper operation of the humidifier 2 If the humidifier is off when furnace blower is on readjust the humidistat by turning the knob so the indicator points to the setti
20. e media pad a Clean or replace media pad b Inspect main fuse or circuit breaker c Check to see if media motor gear is rotating and engaged with media wheel gear d Check if humidistat setting is too low turn knob clockwise to increase humidity Set for proper outdoor temperature lowest expected temperature for a 24 hour period Turn on saddle valve and check for possible obstruction in water line Is water supply connected Close fireplace damper seal around doors and windows Adjust float Turn knob counter clockwise to decrease humidity May be a temporary condition caused by moisture from laundering bathing cooking etc Level unit Remove the float valve button and turn it over or replace if both surfaces are worn as shown in Fig 27 Tighten all fasteners Aslight sound is normal as water enters humidifier 3 Check clearance of media wheel in reservoir 4 Loosen mounting nuts on rubber grommets so they are just flush with mounting studs Turn knob on humidistat to minimum setting This is a normal condition since humidistat is controlling humidifier REPAIR PARTS KENMORE 3000 C ENTRAL HUMIDIFIER MODEL NO 303 9380612 KEY PART NO NO DESCRIPTION 1 21567101 Plenum Stiffener 2 STD 610803 Screw 11 Req No 8A x 3 8 Slotted 3 2
21. f the power at the fuse box before making any line voltage connections Follow local electrical codes Be sure proper grounding procedure is followed If in doubt consult a competent electrician DIRECT LINE WIRING METHOD FOR ANY FURNACE The easiest wiring method for the do it yourself installer is direct line wiring The humidifier will run whenever the humidistat calls for humidity whether the furnace blower is running or not Fig 14 WHITE NEUTR Humidistat Humidifier Junction Box a Junction Box Ground to copper or galvanized water pipe Fig 14 ALTERNATE WIRING METHODS The alternate wiring methods are for your humidifier to operate only when the furnace blower is on and the humidistat is calling for humidity The method you select will depend on your furnace control system Find the type of system you have and follow that method Also if the method selected requires a sail switch or relay this item must be purchased separately Alternate Method 1 For ANY Forced Air Furnace Humidifier runs only when furnace blower is running and the humidistat calls for additional humidity The humidifier must be turned off manually during cooling season Fig 15 Sail Switch White Neutral To Humidifier ve Humidistat Fig 15 Install Sail Switch In Return Air Plenum use normally open contacts Purchase this accessory separately if needed Available from Sears Product Services
22. icing When the furnace blower is used for air conditioning the humidifier switch should be turned OFF The humidifier must not be installed in an area where freezing is possible WARNING indicates a potentially hazardous situation which if not avoided could result in death or injury CAUTION indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices KENMORE 3000 PRODUCT FEATURES Self contained 120V 18 gallon model m Designed for homes up to 3000 sq ft Works with Heat Pumps Quick electric and water disconnect U with reusable liner Substantial water savings no drain required Automatic water feed Convenient ON OFF switch ACCESSORIES AND ATTACHMENTS These accessories and attachments can be purchased at Sears or by contacting Sears Parts 1 800 366 7278 or online at www sears com Reservoir Liner Part No 215682 01 Remote Installation Kit Sears Stock No 9372 Replacement Media Pad Sears Stock No 42 9336 Sears All Purpose Humidifier Cleaner Sears Stock No 42 14713 TOOLS AND MATERIALS NEEDED Safety glasses Straight edge ruler Pencil or grease pencil Hand drill or grounded electric drill Drill bits 5 32 1 8 Tin snips or metal cutting saw Screwdriver flat point and phillips medium size File Level Hammer Small adjustable wrench Center punch Electrical wiring supplie
23. isconnect Install gasket positioned as shown in Fig 19 On galva lower rod screw Fig 9 nized or copper pipe over 5 8 first drill a 5 32 diameter hole in the pipe Media Motor and Panel Media WARNING For safety use a hand drill or grounded Wheel electric drill f 4 Turn the handle clockwise until it has pierced the Panel Clip water line and valve is completely closed Fig 19 f Reservoir Divider Brass Compression Sleeve vie Brass Insert Overflow Reservoir Compression Nut Fig 20 Rubber f NOTE Make sure top edge of media motor panel SA Water Pipe and reservoir divider are firmly seated with panel clip Stem Up installed Fig 21 amp 22 Fig 19 oi 5 Partially uncoil the tubing Slide the brass com pression nut over the tubing The threads in the nut must face the tubing end Place the brass compression sleeve as shown in Fig 19 Slip brass insert into end of the tubing 6 Insert the tubing end into the saddle valve at threaded stem A Fig 19 as far as it will go Thread the brass compression nut onto the valve then tighten gently with a wrench Take care not to over tighten the nut Tab Fig 24 7 Unwind the rest of the tubing Take care not to kink it Run the tubing along flat surfaces to the humidifier Support the tubing as needed to avoid contact with furnace 10 Motor Panel lt Firmly Seated Media
24. may be flexed to aid in loosening accumulated lime buildup CAUTION Do not put parts in a dishwashing machine The high temperature in the washer may damage parts Handle all parts carefully Be careful that no water or cleaner enters the motor or electrical parts 13 9 Deposits will form on the media pad Unless the deposits are light and the pad can be cleaned it must be replaced Replacement pads are avail able from Sears Stock No 42 9336 10 If the reservoir has been overflowing the float valve button may be worn In normal operation this button will eventually erode much like a faucet washer Remove the float valve button turn it over and reinsert Replacement buttons are available by calling the Sears Parts Department call 1 800 4 MY HOME 11 Reassemble the media pad in the media wheel Replace the reservoir divider media wheel media motor and panel assembly Engage panel clip 12 Reassemble humidifier in the following manner A Front Service Slide the reservoir and media wheel assembly into the humidifier engage the media motor electrical disconnect attach the overflow tubing connect the water supply tubing B Bottom Service Slide the reservoir assembly into the lower case attach the lower case assembly to the humidifier make certain side latches are secured engage the media motor electrical disconnect attach the overflow tubing and water supply tubing Reinstall lower rod screw 13
25. n be mounted on a plenum as narrow as 13 2 The stiffener sides will extend past the plenum Fig 8 Begin installation as follows e New mounting holes will have to be drilled Drill the new holes only as far from the edge as necessary Use a 1 8 drill bit e Mark outline of rectangle as shown in Fig 8 e Cut out this area of supply air plenum If edges are rough file them smooth e Proceed to step 6 SUPPLY AIR PLENUM Narrower Than Stiffener Plenum Stiffener If plenum is wider than stiffener 2 The five reference hole marks you ve made on the plenum outline the area that must be cut out Mark straight lines connecting the five points WARNING Wear safety glasses Be sure not to drill or cut into air conditioner coil or tubing If electric drill is used be sure it is properly grounded 3 Drill or punch a large hole in one corner of the area to be cut out This will allow you to insert tin snips or a metal saw Cut along the lines connecting the five points If any of the cut edges are rough file them smooth Drill the remaining holes marked on the plenum with a 1 8 drill bit Mount the stiffener with the mounting tabs facing out toward you Use the seven sheet metal screws supplied to fasten the stiffener Make sure the stiffener is flush with the plenum and is airtight Seal around the edge with caulking not furnished if necessary Using the two finger grips Fig
26. ng for the lowest 24 hour temperature predicted IF SWEATING OF WINDOWS OR WALLS OCCURS 1 Press the switch on the humidifier to the OFF position When moisture is no longer present set the humidistat indicator to the setting for the lowest anticipated 24 hour outdoor temperature Switch the humidifier to the ON position 2 If sweating reoccurs repeat Step 1 allowing for an additional 10 F lower setting of the outdoor temperature than anticipated in the next 24 hours Continue this procedure until the humidity level is stabilized NOTE Because of differences in home construction the number of occupants and living habits in some homes when the anticipated 24 hour lowest outdoor temperature is for example 10 F your ideal humidi stat setting may be the low position SUMMER SHUTDOWN Refer to the following when shutting down your humidifier for the summer e Turn the humidistat dial counter clockwise to the minimum setting position e Push the switch to OFF and close the saddle valve e Clean as instructed above but leave the reservoir empty e As a reminder you might want to put a tag or sticker on the unit indicating it has been shut down for the summer and will require start up in the fall FALL START UP e Push the switch to ON and open the saddle valve e Set the humidistat in the TEST position e Check for proper water level and media wheel operation e Set the humidistat acco
27. oduct serviced by Sears 1 800 827 6655 U S A 1 800 361 6665 Canada Para pedir servicio de reparaci n Au Canada pour service en fran ais a domicilio y para ordenar piezas 1 800 LE FOYER 1 888 SU HOGAR 1 800 533 6937 1 888 784 6427 www sears ca SEARS Registered Trademark TM Trademark Service Mark of Sears Roebuck and Co Marca Registrada TM Marca de Fabrica SM Marca de Servicio de Sears Roebuck and Co MC Marque de commerce MP Marque d pos e de Sears Roebuck and Co Sears Roebuck and Co
28. on and how dried out the home has become In some cases it may take a week or more 4 What are some of the common things that cause higher than average air leakage in the home therefore causing low humidity alousie windows Open fireplace dampers Cracks around windows and doors Open doors and windows nusually large attic or foundation vents Range hoods and bath fans 5 What else causes static shock besides low humidity Some types of carpets tend to create more static than others While the proper humidity level will reduce the static level it may not eliminate static entirely mmoow 6 What is the safe humidity level for my home In order to determine the safe relative humidity for homes exposed to various low outside tempera tures NESCA conducted tests and published recommended humidity levels for various outdoor temperatures These are shown in the chart below These levels help prevent damage to your home such as water running down the walls or even building up inside the walls The safe indoor relative humidity percentage is not a fixed number but will increase or decrease as the outdoor temperatures rise or fall F 20 0 F 25 10 F 30 20 F 35 30 F 35 NESCA National Environmental Systems Contractors Association 7 Can I install this Sears Humidifier with a heat pump Yes you can This is a normal installation using this Sears Furnace Mount Humidifier No special access
29. on box 9 TEST Replace the cover on the humidifier conduit box Replace the cover and knob on the humidistat Turn electrical power on at the fuse box turn the humidifier switch on it is on the left side of the upper case exterior and turn humidistat knob to TEST position to check for humidifier blower operation The furnace may have to be running for the humidifier blower to operate depending on electrical wiring method used If the humidifier blower does not start turn off electricity at the fuse box Go over each step in the wiring process Retrace all the wiring Make sure everything is connected properly CAUTION Do not leave the humidistat set to the TEST position After the humidifier blower operation has been successfully tested turn off electricity at the fuse box and continue with water supply installation STANDARD WIRING METHOD To connect the wiring it is necessary to remove the cover of the conduit box located on the left side of the upper case assembly Fig 13 When the humidifier is wired using the standard wiring method it operates whether the furnace blower is running or not you will hear the humidifier run It sounds much like your furnace because a blower is used to provide maximum humidity from this humidifier This air movement sound is normal AT Conduit Box Hole A Fig 13 CAUTION Connect the humidifier to 120V 60 Hz A C electric power only Turn of
30. ory is required The diagram below shows the functioning of the unit and also its placement on the plenum Installed with a heat pump it will evaporate 11 gallons for a well insulated house up to 2400 sq ft To install with a heat pump the humidifier should be mounted on a warm air plenum A or duct B of a heat pump system Some of the warm air is drawn from the duct forced through the wetted media and returned to the same duct A self con tained blower moves the air from the duct through the humidifier and back into the same duct The heat pump air delivery across the coil is not dis turbed or altered in any way The heat pump there fore continues to operate at maximum efficiency Heat Pump System SELECTING A LOCATION Carefully study the location that you choose for your humidifier Install the humidifier so that if the humidifier or any connection should leak the water will not cause damage Under no condition is Sears Roebuck and Co and the manufacturer to be held liable for any water damage in connection with this humidifier NOTE Never install humidifier in attic or crawl space where freezing may occur or leaking will cause water damage Measure the open area on the furnace supply air plenum Fig 1 You will need a space 20 wide and 13 high The humidifier will mount on a supply air plenum 1312 wide by overhanging the sides In addition you should have 12
31. rding to the outdoor tem perature as instructed on Operation Instruction label The unit is back in operation CAUTION Do not leave in TEST position TROUB ESHOOTING Frequently what seems to be a major problem can be solved ve y easily Listed below are the common con cerns with any humidifier Check the simple hings first Remove the front panel and see if there is a crusty white lime buildup on the PROBLEM CHECK Too Little 1 If humidifier needs cleaning Humidity 2 If media wheel is rotating 3 Humidistat setting 4 If not enough water is going to unit 5 If there is excessive air loss in house 6 If water level is correct Too Much 1 Humidistat setting Humidity 2 For other humidification sources Humidifier 1 Is the humidifier level Overtiows 2 Is the float valve button worn Humidifier 1 Mounting or plenum Making Noise 2 Water pressure 3 Media Wheel 4 Blower Motor Humidifier This is a normal condition Motor Comes 1 If heating season is over Oar T 2 If heating season is just starting Running 15 media pad The lime buildup won t hurt the humidifi er but will reduce its output Low output might just mean your humidifier needs cleaning While you re checking for lime buildup look to see if the media wheel is turning If not check the power supply CORRECTION 1 Clean humidifier and clean or replac
32. refer to Page 8 Step 8 of Humidistat WATER SUPPLY 8 Close previously opened faucet Turn on the main NE water supply Place a pail under the end of the 1 Water for the humidifier must be taken from a tubing Open the saddle valve Flush the line nearby cold water line Turn off the water supply Make sure there are no leaks along the line or at Drain by opening a faucet at a lower level of the the valve Turn valve off line y 9 Reassembly of humidifier case 2 Position the saddle valve on the water line as close to the humidifier as possible You have a For Front Servicing i i been supplied with 10 feet of 1 4 plastic tubing Attach the lower case making sure both side i latches are secure Slide the reservoir assembly NOTE When measuring the distance from the Fig 20 into case connect the electrical saddle valve location to the humidifier keep in disconnect for the media motor Install lower mind that the tubing must be supported there rod screw Fig 9 fore it must run along the ceiling and walls N Measure along the path that the tubing will follow b For Bottom Servicing i Rzy Place the reservoir assembly Fig 20 into the 3 Back out the piercing pin by turning the T handle lower case and attach the lower case making counter clockwise and clamping the saddle valve sure both side latches are secure Connect the body securely on the water line with a rubber media motor electrical d
33. s 120V as needed and of the type required by local codes e Materials needed for an alternate installation use remote mounting kit Sears Stock No 9372 see Typical Remote Installations Page 5 Slide out reservoir and media wheel je CARTON CONTENTS e Central Humidifier 3000 e Hardware Package Screw 7 Fastens Plenum Stiffener to the Supply Air Plenum Conduit Connectors 6 Connects wires together during wiring steps Brass Inserts 2 Regulates water flow Brass Compression Sleeve 1 Aids in connection of plastic tubing to the Quick Disconnect Socket Capped Fastener Secures upper case to Plenum Stiffener e Saddle Valve Package e Hu Saddle Valve Brass Compression Sleeve Brass Compression Nut Brass Insert Rubber Gasket Screws 2 Nuts 2 midistat Humidity Control Package Humidistat Gasket Mounting Screws 2 Operating Instructions Wiring Diagram 1 4 Plastic Tubing 10 ft Float Float Arm Quick Disconnect Socket Plenum Stiffener Maintenance Label Owner s Manual DO IT YOURSELF CHECK LIST If you feel the following operations are within your skills you should have no difficulty installing this humidifier e Cutting and drilling sheet metal e Using hand tools screwdriver wrench etc e Hooking up line voltage electrical connections THANK YOU Thank you for selecting a Sears Humidifier It will provide years of service if you give it a little care
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