Kenmore Central Humidifier 303 9380612 Users Manual
3039380612 3039380612 KENMORE 18 GA. CENTRAL HUMIDIFIER - Manuals and Guides L0522261 View the owners manual for your KENMORE 18 GA. CENTRAL HUMIDIFIER #3039380612. Home:Heating & Cooling Parts:Kenmore Parts:Kenmore 18 GA. CENTRAL HUMIDIFIER Manual
KENMORE Humidifier Manual L0522261 KENMORE Humidifier Owner's Manual, KENMORE Humidifier installation guides
CENTRAL HUMIDIFIER 303.9380612 111639-1
303.9380612 to the manual f9290376-ad69-4992-ad96-81b4cf116f4a
2015-01-24
: Kenmore Kenmore-Central-Humidifier-303-9380612-Users-Manual-326799 kenmore-central-humidifier-303-9380612-users-manual-326799 kenmore pdf
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Owner's ManuaJ ® CENTRAL HUMiDiFiER 18 GammonOutput Per Day Humidifies 3000 up to 3,000 sq. ft. Modem No. 303.9380612 CAUTION: o Before using this product, read this manuam and follow aH its Safety Rumes and Operating mnstructions Safety o o Operation Maintenance , Repair o Sears, Roebuck www, sears°com and Co., Hoffman Estates, mL60179 U.S.A. Parts Water Supply .................................................... Operation ................................................................ Water Level Check ............................................ Humidistat ........................................................ Maintenance ............................................................ Adjusting the Float ............................................ Summer Shutdown / Fall Star[up ...................... Troubleshooting ...................................................... Repair Parts .................................................... 16 & FULL ONE YEAR WARRANTY ON NUIVimDmFmER If this humidifier faiis due to a defect in materiai or workmanship date of purchase, Sears wiii repair it free of charge. The media pad is an expendabie 10 12 12 12 13 14 14 15 17 part, and its repiacement within one year from the is not covered by this warranty. Warranty service is avaiiabie in the United States by caNNingSears at 1-800-4-MY-HOME_ This warranty gives you specific iegai rights, and you may aiso have other rights, which vary, from state to state. Sears, Roebuck MASTER PROTECTmON and Co., Hoffman Estates, IL 60179 AGREEMENT Annual Preventive Mair_ter_ance Check at your request - no extra charge. Congratu/ations on making a smart purchase. Your new 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. Fast help by phone - phone support from a Sears technician on products requiring in-home repair, pius convenient repair scheduling. Power surge protection against eiectricai damage due to power fluctuations. Rental reimbursement if repair of your covered product takes ionger than promised. Purchase a Master Protection Agreement now and protect yourse/f from unexpected hassle and expense. Once you purchase the Agreement, a simpie phone cain is aii that it takes for you to scheduie service. You can cain anytime day or night, or scheduie a service appointment oniine. The Master Protection Agreement also helps extend the life of your new product. Here's what's included in the Agreement: Expert service specialists. by our 12,000 professional repair 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! unmimited service and no charge for parts and iabor on aii covered repairs. "Noqemon" guarantee -repiacement of your covered product if four or more product faiiures occur within tweive months. Product replacement can't be fixed. PRODUCT Some limitations and exclusions apply. For prices and additional information call 1-800-827-6655. if your covered product RECORD In the space bellow, record the modei and seriai numbers and the date of your purchase. You wiii find the modei and seriai number on a siiver sticker iocated on the side of the unit. Keep this manuai and your Sears sales receipt in a safe place for future reference. Model No, Serial No: Date of Purchase: © Sears, Roebuck and Co. 2 RULES FOR SAFE mNSTALLATmON & OPERATION Read these rubs and the instructions and/or property damage. carefully. Faiiure to follow the rubs and instructions couid cause bodiiy injury Check your iocai buiiding codes and utiiity standards. The installation must compiy with their rubs. Ground the humidifier to prevent eiectrb shock. Follow a reguiar service and maintenance schedub. Aiways shut off ebctrbity and water to humidifier before servicing. When the furnace Mower is used for air conditioning, the humidifier switch should be turned "OFR" Never oil any part of the humidifier. The humidifier must not be installed in an area where freezing is possibb. 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 Designed for homes up to 3000 sq. ft. Works with Heat Pumps Quick electric and water disconnect Slide-out reservoir and media wheel with reusable liner Substantial water savings - no drain required Automatic water feed Convenient ON/OFF switch ACCESSORmES AND ATTACHMENTS These accessories and attachments can be purchased at Sears or by contacting Sears Parts: 1_800_366_7278 or online at wwwosearsocorn. • 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 MATERmALS NEEDED Safety glasses o 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 (fiat point and phillips, medium size) File Level Hammer Small adjustable wrench o Center punch Electrical wiring supplies (120V) as needed and of the type required by iocai codes. o Materials needed for an alternate installation, use remote mounting kit, Sears Stock No. 9372 (see Typica/ Remote insta//ations, Page ,5). CARTON CONTENTS Central Humidifier 3000 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 Saddle Valve Package - Saddle Valve - Brass Compression Sleeve - Brass Compression Nut - Brass Insert - Rubber Gasket - Screws (2) - Nuts (2) Humidistat (Humidity Control) Package - Humidistat - Gasket - Mounting Screws (2) - Operating Instructions - Wiring Diagram 1/4" Plastic Tubing (10 ft.) Float Float Arm Quick Disconnect Socket o Plenum Stiffener o Maintenance Label Owner's Manual DO-mToYOURSELF CHECK UST If you feel the following operations are within your skills, you should have no difficulty installing this humidifier. Cutting and drilling sheet metal. Using hand tools: screwdriver, wrench, etc. Hooking up line voltage electrical connections. THANK YOU! 6_ Thank you for selecting provide years of service Humidity can be puzzling. It cannot be seen, heard, touched, smelled or tasted. Many people do not understand what a humidifier wiii or wiii 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 aii, especially in the corners, you have too little. The safe indoor relative humidity percentage is not a fixed number but wiil increase or decrease as the outdoor temperatures rise or fail. NOTE: Moisture wiii 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 testing equipment. Your comfort is another good check. 1. Why do moisture to home? ASKED requirements vary from home 2. How can I best check my home's remative 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 mongwimmit take my humidifier the humidity in my home? to buimd up Much depends on the outside temperature, time of year, home construction, 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 meakage in the home, therefore causing mow humidity? A. Jalousie windows B. Open fireplace dampers C. Cracks around windows and doors D. Open doors and windows E. Unusually large attic or foundation vents R Range hoods and bath fans 5. What erasecauses static shock besides mow Some types of carpets tend to create more static than others. While the proper humidity level wiii reduce the static level, it may not eliminate static entirely. -10 ° F 20% 0o F 25% 10 ° F 3O% 20 ° F 35% 30 ° F 35% *NESCA = National Environmental Systems Contractors Association. 7_ 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. level for my home? In order to determine the safe relative humidity for homes exposed to various low outside temperatures, 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 wails or even building up inside the wails. a Sears Humidifier. It wiii if you give it a little care. TYPmCAL QUESTmONS What is the safe humidity Can I install this Sears Humidifier pump? with a heat Yes, you can! This is a normal installation using this Sears Furnace Mount Humidifier. No special accessory 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-contained 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 disturbed, or altered, in any way. The heat pump, therefore, continues to operate at maximum efficiency. Heat Pump System SELECTmNG A LOCATmON Carefully study the iocation that you choose for your humidifier. Install the humidifier so that if the humidifier or any connection shouM bak, the water wHi not cause damage. Under no condition is Sears, Roebuck and Co., and the manufacturer, to be heid iiabie for any water damage in connection with this humidifier. BOTTOM SERVICING 71/2 '' T NOTE: Never install humidifier in attic or crawi space where freezing may occur or baking wHi cause water damage. Measure the open area on the furnace suppiy air pbnum (Fig. 1). You wHi need a space 20" wide and 13" high. The humidifier will mount on a supply air plenum 131/2" wide by overhanging the sides. In addition, you should have 12" of working area on each side to make the electrical and water connections. Place Humidifier Duct Fig. 3 TYPICAL REMOTE INSTALLATmON 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 13"$_ Adaptor Flanges Supply Air------_ Plenum is Warm to Touch During Heating CycJe Air Conditioner Coil Fig. I 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). Attach 2x4 Supports in a Secure Manner Furnace Stiffener to 2x4 Supports Mount Humidifier to Plenum Stiffener Fig, 4 FRONT SERVICING HORmZONTAL FURNACE CRAWL SPACE 23" -_ mNATTmC OR 2" t Fig. 2 If you do not have 23" of space in front, the humidifier must be serviced from the bottom. Servicing from the bottom will require 71/¢' clearance (Fig. 3). If you do not have the space needed, or have a counterfiow 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 the slope side of the coil. 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 Attic _ Living Area Furnace Inbt/Outbt / _ Ceiling Humidifier Floor _ Net/Outlet crew, Space Mving Area Hot Air Pbnum CAUTmON: Be careful not to damage coil when cutting into plenum (Fig. 1). Humidifier Fig, 5 COUNTERFLOW FURNACE INSTALLATION For installation of your humidifier on a counterfiow furnace, see Fig. 6. Connect the humidifier to the suppiy air pbnum using Remote Installation Kit, Sears Stock No. 9372. COUNTERFLOW SUPPLY AiR PLENUM (Wider Than Stiffener) Mounting Tabs FURNACE iNSTALLATiON Reference 7 HUes Reference Holes / -- Min. Clearance _-_ From Supply Air Pbnum Mounting Level Line -- Hobs 2" to service from front (Fig. 2) 7'/2" to service from bottom (Fig. 3) GRAVITY FURNACE Fig, 7 INSTALLATION The humidifier works well on gravity furnaces because of its self-contained blower system. Use the Remote Installation Kit, Sears Stock No. 9872. The humidifier must be at least 6" away from the pUenum, due to the higher operating temperature of the furnace. NOTE: Furnace temperatures above cause failure of fiberglass parts. Fiber Plenum 250°F may Ducts If plenum is narrower than stiffener: The stiffener can be mounted on a plenum as narrow as 131/2'L The stiffener sides wiii extend past the plenum (Fig 8). Begin installation as follows: New mounting hobs wiii have to be drilled. Drill the new holes only as far from the edge as necessary. Use a 1/8" drill biL Mark outline of rectangle as shown in Fig 8. NOTE: The mounting screws supplied are for standard installation on sheet metal plenum ducts. Cut out this area of supply air plenum. If edges are rough, file them smooth. If you have fiber plenum ducts, install the plenum stiffener and components with thru-bolts, nuts, and washers (not supplied). Jf 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.) Proceed to step 6. You may also consider using the remote mount installation 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 bast 2" above the top of the furnace on the selected surface, if front service method (Fig. 2) is used. If the humidifier is to be serviced from the bottom (Fig. 3), mark a level line at least 71/2" above the top of the furnace. Hold stiffener against the plenum with the bottom edge on a level line and bent edge flanges towards you. Using a pencil, mark the location of all hobs except hob "A" on plenum (Fig. 7). SUPPLY AiR PLENUM (Narrower Than Stiffener) Plenum_ Stiffener Fig, 8 If pmenum is wider than stiffener: 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. 2. The five reference hole marks you've made on the pbnum outline the area that must be cut out. Mark straight Hinesconnecting the five points. WARNING: Wear safety giasses! Be sure not to driU or cut into air conditioner coii or tubing! BfebctMc driU is used, be sure it is propeMy grounded. 3. DriU or punch a iarge hob in one corner of the area to be cut out. This wiU aUow you to insert tin snips or a metai saw. 4. Cut along the lines connecting the five points. If any of the cut edges are rough, fib them smooth. 5. DriU the remaining hobs marked on the pbnum with a 1/8" drill bit. 8_ Hang the upper case assembly on plenum stiffener 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. 6. 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. 7. Using the two finger grips (Fig. 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. Upper Case Electrical Disconnect Conduit Box Hole "A" Fig, 10 HUMIDISTAT Locate the humidistat on the return (cold) air plenum (Fig. 11). DO 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 Supply Air Plenum Return Air Plenum Lower Rod Screw Gasket Reservoir Assembly Front Panel Finger Grips Fig, 9 Latch \\ Lower Case Fig, 11 2, 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, 3. Drill 1/8" holes for two mounting screws. Cut out the opening for the humidistat. 4_ Peei off the paper from the back of the gasket and stick the gasket on the return air pbnum. 5. Remove the humidistat knob by gently pulling straight ouL Remove the cover screw and the cover (Fig. 12). Knob Cover STANDARD WmRmNG 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 wiii 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. 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 selecL Use an approved eUectrical 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_ g_ 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 junction box. TEST - Replace the cover on the humidifier conduit box. Replace the cover and knob on the humidistaL 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 aii the wiring. Make sure everything is connected properly. CAUTmON: 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. Fig, 13 CAUTmON: Connect the humidifier to 120V, 60 Hz A.C. electric power only. Turn off the power at the fuse box before making any line voltage connections. Foiiow iocai eiectricai codes. Be sure proper grounding procedure is followed. If in doubt, consult a competent electrician. DIRECT LiNE WiRiNG FURNACE METHOD FOR ANY 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). Junction Box Ground to copper or galvanized water pipe. Fig, 14 ALTERNATE WmRmNG METHODS Alternate The aiternate wiring methods are for your humidifier to operate oniy when the furnace biower is on and the humidbtat is caning for humidity. The method you sebct win depend on your furnace controi system. Find the type of system you have and follow that method. Aiso, if the method sebcted requires a said switch or reiay, this item must be purchased separateiy. Amternate Method Method - 3 Any furnace/air conditioning multi-speed furnace blower system 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 wiii not operate (Fig. 17). - 1 For ANY Forced Air Furnace Humidifier runs oniy when furnace biower is running and the humidistat cans for addiflonai humidity. The humidifier must be turned off manually during cooling season (Fig.15). To "C" on Transformer _ Low Voltage Relay _ Pane! I _ I _ ..L _No. Brown _ 2O To Humidifier Volt - TO To "G" on _ Transformer Relay Pane! I SPDT Relay I I-- (Sears Stock 42-9248) I._ _ Sail Switch White with To Low Red I W,re HUMIDIFIER Humidistat <::_White Motor Lead NEUTRAL !20 VOLT_:> Fig, 17 Humidistat Alternate Method - 4 Sears "15" and "20" furnace comfort center Fig, 15 Install Sail Switch In Return Air Plenum (use normally open contacts). Purchase this accessory separately if needed. Available from Sears Product Services: Phone: 1-800-366-7278 Specify Division 42 PLS 042 Part No. 9114 Alternate Method Any furnace with etectdcM Humidifier runs only when the furnace blower is running and the humidistat call for additional humidity. The humidifier must be turned off manually during the cooling season (Fig. 18). White - 2 with single speed, 120 VAO Blower TO HUMiDiFiER 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). B!ack Humidistat NEUTRAL White 15 _q G ® (White) < TO HUMIDIFIER 120V ® -<-Wiring Board FAN CONTROL I © Factory Connections Humidistat Not Shown Fig, 18 FAN MOTOR Fig, 16 NOTE: The humidifier and humidistat ground wire which must be connected (refer to Page 8, Step 8 of Humidistat). have a green to ground WATER SUPPLY 8. Close previously opened fauceL Turn on the main water supply, Place a pail under the end of the tubing, Open the saddle valve. Flush the line. Make sure there are no leaks along the line or at the valve, Turn valve off. 9. Reassembiy 1. Water for the humidifier must be taken from a nearby cold water line. Turn off the water supply. Drain by opening a faucet at a lower level of the line. 2. Position the saddle valve on the water line as close to the humidifier as possible. You have been supplied with 10 feet of 1/4" plastic tubing. case. a. For Front Servicing: Attach the lower case making sure both side latches are secure. Slide the reservoir assembly (Fig. 20) into case, connect the electrical disconnect for the media motor. Install lower rod screw (Fig. 9). NOTE: When measuring the distance from the saddle valve location to the humidifier, keep in mind that the tubing must be supported; therefore, it must run along the ceiling and walls. Measure along the path that the tubing wiii follow. b. 3. Back out the piercing pin by turning the "T" handle counter clockwise and clamping the saddle valve body securely on the water line with a rubber gasket positioned as shown in Fig. 19. On galvanized or copper pipe over 5/8", first drill a 5/32" diameter hole in the pipe. WARNING: of humidifier For Bottom Servicing: Place the reservoir assembly (Fig. 20) into the lower case and attach the lower case, making sure both side latches are secure. Connect the media motor electrical disconnect. Install lower rod screw (Fig. 9) Media Motor and Panel Wheel For safety, use a hand drill or grounded electric drill. 4. Turn the handle clockwise until it has pierced the water line and valve is completely closed (Fig. 19). Panel Clip Divider Brass Compression _[ _ xf j Sleeve Brass insert Hand Overflow Brass Compression Nut Reservoir Fig, 20 Rubber Gasket (Stem Up) NOTE: Make sure top edge of media motor panel and reservoir divider are firmly seated with panel clip installed (Fig. 21 & 22). Water Pipe Fig, 19 5. Partially uncoil the tubing. Slide the brass compression 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 wiii go. Thread the brass compression nut onto the valve, then tighten gently with a wrench. Take care not to over-tighten the nuL Fig, 21 7. Unwind the rest of the tubing. Take care not to kink it. Run the tubing along fiat surfaces to the humidifier. Support the tubing as needed to avoid contact with furnace. 10 1_<_ E} Media Motor Panel 12. Connect the quick disconnect socket to the plug on the valve body (Fig. 24). Firmly Seated Sleeve / _Reservoir Divider Fig, 22 ... _ 10. Remove the quick disconnect socket, brass 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 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. 11. 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 disconnect socket, then tighten using two wrenches, one to hold quick disconnect socket and one to tighten nut. Do not over-tighten nut (Fig. 23). 13. 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 plastic tubing to connect to drain. (Tubing not supplied. Purchase at your local hardware store.) Nut QUICK DISCONNECT ASSEMBLY Sleeve insert "Quick Disconnect Socket Humidifier 1/4" Plastic Water Supply Tubing Fig, 23 11 WATER HUMmOmSTAT LEVEL CHECK 1. Turn on the water suppiy at the saddb vaive. Water shouid now flow into reservoir. If not, check that saddb vaive is open. Check for baks at aft connections. 2_ 1. Set the knob to the lowest outdoor temperature expected for a 24-hour period. Because of differences in house construction, you may want to try a higher or lower setting to achieve proper humidity (Fig 26). 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. 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. HX WaterLeve mfsweating Test - Turn on the ebctdcity at the fuse box, turn the humidifier power switch to the "ON" position and turn humidistat knob to the "TEST" position. The humidifier Mower shouid operate and the media wheei shouid rotate sbwiy at approximateiy one (1) revoiufion per minute. The furnace may have to be running for the humidifier to operate, depending on the wiring method used. . 3_ 4_ 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. Fig, 25 3_ of windows Install front panei by siiding top of panei into channei in upper case. Swing panei bottom in and down to engage channel in lower case. 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. Remember, to increase the indoor relative humidity, turn the indicator clockwise _"_ 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°E your ideal humidistat setting may be the low position. 12 Yourhumidifierwill maintainitsefficiencyfor a long periodoftime.If it is notserviced,damagemay result.Serviceit every month. Follow instructions 9_ below. Since water conditions vary, it may be nec= essary to service either more or less often. Establish your own servicing schedule. REGULAR 10. If the reservoir has been overflowing, the float valve button may be worn. In normal operation, this button wiii eventually erode much like a faucet washer. Remove the float valve button, turn it over, and reinserL 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. MAINTENANCE 1. Turn off electricity at the fuse box. 2. Disconnect the water supply tubing at the quick disconnecL The water wiii automatically shut off. 3. Remove the drain line (if used) and catch any water with a paik 12. 4. Front Service (preferred): Service (only if insufficient manner: 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. space in B. Bottom 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. 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. Use care when removing either the reservoir assembly or the lower case and reservoir assembly since the reservoir is filled with water. 13. 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. 6. Remove the media motor and panel assembly by releasing the ciip and siiding the assembly upward from the reservoir divider. Slide the reservoir divider upward from the reservoir and remove. 14. Turn on the electricity at the fuse box, push the humidifier switch to "ON" and turn the humidistat to the "TEST" position to check the humidifier operation. The furnace may have to be running for the humidifier to operate, depending on electrical connection. Set the humidistat according to the outdoor temperature as instructed on label. 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. 4214713) may be used to loosen lime deposits. CAUTION: NOTE: To aid in future cleaning, an optional accessory Reservoir Liner may be purchased through the Sears Parts Department; call 1-8004-MY-HOME to order Part No. 215682-01 (see Exploded View, Page 17). The liner may be flexed to aid in loosening accumulated lime buildup. CAUTION: Do not put parts machine. The high temperature damage parts. Handle aii parts that no water or cleaner enters parts. Reassemble humidifier in the following A. Front Service: Remove the front panel, disengage the media motor electrical disconnect, remove the overflow tubing, slide out the reservoir and media wheel assembly. 5. Bottom front): Deposits wiii form on the media pad. Unless the deposits are light and the pad can be cleaned, it must be replaced. Replacement pads are available from Sears (Stock No. 42-9336). MAINTENANCE Do not leave in "TEST" position. 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 producL in a dishwashing in the washer may carefully. Be careful the motor or electrical 13 ADJUST(NG THE FLOAT (F A(R (S TOO DRY (AND W(NDOWS SWEAT(NG): 1. Disconnect the water suppiy at quick disconnecL 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. Remove the float and float arm by puiiing out the float pivot pin (Fig. 27). *Heat Valve 2_ If the humidifier is off when furnace blower is on, readjust the humidistat by turning the knob so the indicator points to the setting for the lowest 24-hour temperature predicted. iF SWEATING OCCURS: _"x OF WINDOWS OR WALLS 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. Hoat Reverse button if it has not been used. Replace with new button if both sides are worn, Fig, 27 2_ 3. Raise the water ]eve] by rotating the float chockwise. Rotate the float counter-cHockwbe to ]ower the water ieveL (one compiete turn wiii change the water level 1/8".) 4. Turn the humidifier power switch OFR If sweating reoccurs, repeat Step 1, allowing for an additional 10°F iower 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 humidistat setting may be the low position. 5. Disconnect the media motor electrical disconnect. 6. Remove the reservoir and detach the chip. 7. Remove the media motor panel and media wheei. SUMMER 8. Remove the reservoir divider. Pour the water from the reservoir into a suitabie container. SHUTDOWN Refer to the following when shutting down your humidifier for the summer: 9. Reassembie the humidifier. Reconnect the water suppiy and recheck the water ieveL SERV(C(NG ARE NOT Turn the humidistat dial counter-clockwise to the minimum setting position. Push the switch to "OFF" and close the saddle valve. THE FLOAT If the humidifier has been overflowing, the float valve button may be worn. This button wiii wear much like a faucet washer. Clean as instructed above but leave the reservoir empty. o 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 wiii require start-up in the fall To services 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). FALL START 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 tabIets in an attempt to control lime deposits in this humidifier! Use of tablets may cause the humidifier to sp(ash causing damage to the humidifier or furnace. @ Push the switch to "ON," and open the saddle valve. @ Set the humidistat @ Check for proper water level and media wheel operation. @ Set the humidistat according to the outdoor temperature as instructed on Operation Instruction label. The unit is back in operation. CAUTION: 14 UP in the "TEST" position. Do not leave in "TEST" position. TROUBLESHOOTmNG Frequently, what seems to be a major probbm can be soived very easiiy. Listed bellow are the common concerns with any humidifier, media pad. The lime buildup won't hurt the humidifier, but wiii reduce its outpuL 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. Check the simple things first. Remove the front panel and see if there is a crusty, white lime buildup on the PROBLEM Too Little CHECK CORRECTmON 1, If humidifier needs cleaning CUean humidifier and clean or replace media pad 2. 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 2. If media wheel is rotating 3. Humidistat setting , 4. If not enough water is going to unit Set for proper outdoor temperature - lowest expected temperature for a 24-hour period 4. Turn on saddle obstruction connected? Too Much valve and check for possible in water line. Is water supply 5. If there is excessive air loss in house 5. Close fireplace damper, seal around doors and windows 6. If water level is correct 6. Adjust float 1. Humidistat 1. Turn knob counter-clockwise setting 2. For other humidification sources to decrease 2. May be a temporary condition caused by moisture from laundering, bathing, cooking, etc. Humidifier Overflows 1. Is the humidifier level? 1. Level unit 2. Is the float valve button worn? 2. Remove the float valve button and turn it over or, replace if both surfaces are worn, as shown in Fig. 27 Humidifier Making Noise 1. Mounting or plenum 1. Tighten all fasteners 2. Water pressure 2. A dight sound is normal as water enters humidifier 3. Media Wheel 3. Check clearance of media wheel in reservoir 4. Blower Motor 4. Loosen mounting nuts on rubber grommets so they are just flush with mounting studs Humidifier Motor Comes On When Furnace Isn't This is a normal condition 1. If heating season is over 1. Turn knob on humidistat 2, This is a normal condition controlling humidifier 2. If heating season is just starting 15 to minimum since setting humidistat is REPAmR PARTS KENMORE "3000" CENTRAL MODEL NO. 303.9380612 KEY NO. PART NO. HUMmDmFmER KEY NO, DESCRmPTmON 1 2 21567101 STD 610803 3 4 5 6 7 8 9 21568601 21595401 28126101 21568301 21572501 STD 541010 030060-04 10 11 28112004 STD 511003 12 13 22515601 STD 610803 14 15 21570101 35561801 Screw (11 Req.) (No. 8A x 3/8" Slotted) Upper Case Rod Switch Switch Plate Conduit Box Nut (2 Req.) (No. 10-24) Screw (Ground) (No. 10-24 x 1/4" Hex & Slotted Head) Strain Relief Screw (No. 10-24 x 3/8" Cross Recess) Conduit Box Cover Screw (2 Req.) (No. 8B x 3/8" Cross Recess) Front Panel Saddle Valve 16 17 18 19 21582703 STD 541006 21568401 35585901 (Includes Key Nos. 23 & 32) Plastic Supply Tubing (1/4" x 10 ft.) Nut (2 Req.) (No. 6-32) Media Motor Panel Media Motor 20 STD 510603 21 22 23 24 21572701 21586101 STD 575025 35561102 Plenum Stiffener 25 26 27 28 29 30 31 32 33 34 03029401 21569101 28110201 22513801 28110101 42063901 21568101 STD 575026 35586301 21591001 37 21590701 21567702 35586101 38 39 4O 41 42 43 44 45 35569203 21575001 35587001 03013712 28084602 28108701 21569801 35586201 46 47 48 49 5O 51 52 STD 375005 03021303 21551001 28154601 41067501 03028603 21568201 35 36 (Includes Key Nos. 17 & 20) Screw (2 Req.) (No. 6-32 x 3/8" Cross Recess) Plug, Quick Disconnect Socket, Quick Disconnect Brass Compression Nut Float Valve PART NO, 21595801 21593601 (Includes Key Nos. 25 - 30) DEscRmPTmON 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. (Hncludes Key Nos. 35 & 36) Panel Clip Reservoir Divider Media Wheel & Gear (Hncludes 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 (Hncludes Key No. 44) Wire Nut (2 Req.) Capped Fastener Wire Clip Wire Harness Brass Hnsert (2 Req.) Screw (2 Req.) Optional Accessory Reservoir Liner Owner's Manual Humidistat *Not Shown THIS IS A PARTS LIST, NOT A PACKING LIST. 16 REPAmR PARTS KENMORE "3000" CENTRAL MODEL NO. 303.9380612 EXPLODED HUMiDiFiER VIEW ' 1 17 iiiiiiiiiiiiiiiiiiiiiii_ .... 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 Call anytime, ® (1-800-469-4663) day or night (U.S.A. and Canada) , , w.sears.cor. ® Registered Trademark / TM Trademark / SM Service Mark of Sears, Roebuck ® Marca Registrada / TM Marca de Fabrica / SM Marca de Servicio de Sears, MC Marque de commerce / MD Marque d6posee de Sears, Roebuck and Co. and Co. Roebuck and Co. ® Sears, Roebuck and Co.
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