Lennox International Inc. WB2-12 User's Manual
Contents
1. 4 Pull out the evaporative assembly 3 by grasping at the top and tipping out 5 Remove the black distribution tray 4 from the evaporative assembly by unsnapping the white plastic ends of the Scale Control Insert 7 from the tabs at the end of the tray Lightly scrape any calcium deposits out of the V notches 5 but do not scrape the granular coating from the bottom of the tray This textured surface helps ensure even waterflow for maximum per formance If the granular coating has been removed place several drops of liquid dish soap on the distribution tray and clean thoroughly This will only need to be done once 6 Slide the evaporative media 6 out from the white plastic Scale Control Insert 7 Clean the insert frame by twisting and flexing it to loosen the calcium deposits or use a putty knife Replace the evaporative media Part No 59P 94 back into the Scale Control Insert with the red colored spot up and snap the black distribution tray 4 back into place 7 Reinstall the evaporative assembly 3 into the base assembly 2 Push the evaporative assembly 3 in atthe top between the retaining ribs that hold the assembly in place in a vertical position 8 Remove the drain hose 8 from the bottom of the unit Bend and flex it to loosen the internal calcium deposits Then flush it with water under pressure and slip it back onto the drain fitting 9 Reinstall cover assembly 1 by hooking at the top of base assembly 22. and latching at the bottom 10 Reconnect electrical power 9 and turn on water supply 11 Reset the humidistat and check unit operation 6 LIMITED WARRANTY Your Lennox Healthy Climate Humidifier unit is expressly warranted for one 1 year from date of installation to be free from manufacturing defects except however for the disposable evaporative media which will have to be replaced from time to time depending upon the amount of use The manufacturer s exclusive obligation under this warranty shall be to supply w ith out charge a replacement for any part of the humidifier which is found to be defective within one 1 year period and which is returned no later than thirty 30 days after said one 1 year period by you to the installing contractor together with the model number manufacturing code number and installation date of the humidifier THIS WARRANTY SHALL NOT OBLIGATE THE MANUFACTURER FOR ANY LABOR COSTS AND SHALL NOT APPLY TO DEFECTS IN WORKMANSHIP OR MATERIALS FURNISHED BY THE INSTALLING CONTRACTOR AS CONTRASTED TO DEFECTS IN THE HUMIDIFIER ITSELF IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE SHALL BE LIMITED IN DURATION TO THE AFORESAID ONE YEAR PERIOD THE MANUFACTURER S LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAM AGES OTHER THAN DAMAGES FOR PERSONAL INJ URIES RESULTING FROM ANY BRANCH OF THE AFORESAID IM PLIED WARRANTIES OR THE ABOVE LIMITED WAR RANTY IS EXPRESSLY EXCLUDED THIS LIMITE
3. D WARRANTY IS VOID IF DEFECT S RESULT FROM FAILURE TO HAVE THIS UNIT INSTALLED BY A QUALIFIED HEATING AND AIR CONDITIONING CONTRACTOR IF THE LIMITED WARRANTY IS VOID DUE TO FAILURE TO USE A QUALIFIED CONTRACTOR ALL DISCLAIM ERS OF IM PLIED WAR RANTIES SHALL BE EFFECTIVE UPON INSTALLATION Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages so the above exclusion or limitations may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state LENNOX HEALTHY CLIMATE H U M I D I F I E R DP 10005005 5 4 00 7 504 258M
4. READ AND SAVE THESE INSTRUCTIONS LENNOX HEALTHY CLIMATE H U M I D I F I E R OWNER S MANUAL For Models WB2 12 WB 2 17 amp WP 2 18 Includes Safety Operating and M aintenance Instructions and Warranty Lennox Healthy Climate Humidifier Table of Contents Page IMMODUCKION Ta Rinsi te Maret RAS Mike aa Qh A Brands tu WA iri 1 Principle of Operation 00 c cece eect eee e teens 1 Operating Instructions cece eee cece teen eee 3 Effect of Water Characteristics cccecceceeeeeeeeeeeenees 3 Annual Maintenance nace 4 Annual Summer Shutdown ccceccececeeeeeeeeeeeeeeues 4 Periodic Preventative Maintenance ccsecueeeeeeeeeeees 4 Maintenance Instructions Models WB2 12 and WB2 17 1 cece cece cence ene e ees 5 Models WP 2 18 ts es ccs eactimenfttean w taeae Paci nance dae aa 6 Limited Warranty 0 ccecce ccecce 7 WARNING 120 VOLTS may cause injury from electrical shock Disconnect power and shut off water supply before servicing CAUTION Sudden operation may cause personal injury or property damage Turn humidistat to OFF before servicing Introduction Thank you for your recent Lennox Healthy Climate Humidifier purchase We sincerely appreciate your business and are pleased to add your name to our growing list of customers Now please take a few minutes and read this booklet This will familiarize you with the benefits you will receive from the equipment y
5. etting then reverse the dial direc tion slowly until a click is heard At this point read the relative humidity on the dial This will be very close to the actual relative humidity in your home To check the humidifier operation set the humidistat above the click point make sure that the water saddle valve is open and that there is electricity to the unit The furnace blower motor must be operating for the humidifier to function After the humidifier has operated for several minutes and water is entering the unit and coming out at the drain reduce the humidistat setting below the click point and the unit should automatically shut off Now set the humidistat dial at the recommended inside relative humidity depending on the outside tempera ture Follow the suggested settings prior to a drop in the outside temperature III Effect of Water Characteristics Your humidifier will operate effectively using either hard or mechanically softened water Any type of water hard soft hot or cold is acceptable for use with the WB2 or WP2 drain type humidifiers Hot supply water 140 maximum is rec ommended for all heat pump applications The use of hot supply water will also increase the unit s capacity in other applications IV Annual Maintenance For best performance we recommend that you replace the evaporative media in your humidifier annually e Call the installer of your humidifier This information is often found on your equipmen
6. g and flexing it to loosen the calcium deposits or use a putty knife Inspect the evaporative media Part No 52P66 for Model WB2 12 and Part No 59P 94 for M odel WB2 17 and substitute a new one if necessary Slide the pad back into the insert frame with color mark up and snap the black distribution tray 2 back into place 6 Reinstall the evaporative assembly into the unit by fitting its drain tube into the round recep tacle at the base of the unit Push the assembly in at the top against the beveled tabs that will hold itin place Replace the front cover 7 Remove the drain hose 6 from the bottom of the unit and bend and flex it to loosen the internal calcium deposits Then flush it with water under pressure and slip it back onto the black drain fitting 8 Reset the humidistat and check unit operation MAINTENANCE INSTRUCTIONS FOR LENNOX HEALTHY CLIMATE HUMIDIFIER MODEL W P2 18 Front Cover Base Evaporative Assembly Distribution Tray V Notches Evaporative M edia Scale Control Insert Drain Hose Power Cord WCONMATRWNE WARNING 120 VOLTS may cause serious injury from electrical shock Disconnect power and shut off water supply before servicing 1 Note humidistat setting and turn humidistat to the OFF position 2 Disconnect electrical power and turn off water supply 3 Unlatch humidifier cover assembly 1 from base assembly 2 at the bottom of the cover lift and set aside
7. me uniform performance by applying a small amount of liquid dish soap over the entire lower surface of the water distribu tion tray This will allow the water to flow evenly through each of the openings Il Operating Instructions Your new Lennox Healthy Climate Humidifier is controlled by a manual humidistat installed either in the living area or in the cold air return It is important to anticipate a drop in temperature and reduce the setting accordingly to avoid excessive condensation For example with an outside temperature of 20 the correct setting will be 35 relative humidity If the temperature is expected to fall to 0 that evening then reduce the setting to 25 several hours prior to the temperature change Observance of the recom OUTDOOR INDOOR RELATIVE HUMIDITY TABLE mended relative humidity level Outside Temperature Recommended R H on your humidistat see table 40 45 is an important safeguard 30 40 Condensation of water on inside 20 35 windows in the form of fogging si ae or frost is usually an indication g n Sh of excessive relative humidity 20 15 The same condensation can take place in other areas in your home with the possibility of resulting damage Be sure to keep fireplace dampers closed when notin use They provide an excellent escape route for heat as well as humidity The humidistat can be used to determine the relative humidity in your home during the winter Turn the dial to the lower s
8. n the drain The drain also eliminates the problems caused by stagnant water This is the most effective and least expensive method to dispose of trouble causing minerals Trouble free performance and minimum maintenance are assured by the design features of the Lennox Healthy Climate Humidifier All unit housing parts that come in contact with water are non metal and will never rust or corrode Neither heat nor water will affect them under normal operating conditions The evaporative media designed especially for uniform high evapora tion and the Scale Control Insert also efficiently trap mineral deposits which are often the cause of damage to working parts in ordinary humidifiers No white dust can be distributed throughout the living quarters The evaporative media must be in good condition to assure high capacity trouble free perform ance It should be changed annually The granular coating in the bottom of the distribution tray is designed to provide equal distribution of water to each of the openings assuring an even flow of water over the evaporative media Do not clean the mineral scale off the bottom of the water distribution tray at the end of the humidification season The scale provides an excellent track for the water to follow This is actually what we try to simulate with the synthetic coating in the bottom of the tray If the coating is removed it is not necessary to purchase a new distribution tray You can accomplish the sa
9. ou just purchased and help you understand the routine maintenance that will be required l Principle of Operation You have purchased a humidifier that operates on the evaporative principle It will provide the proper relative humidity see operating instructions all during the heating season It is very possible that you have questions concerning what 1 your new humidifier can do for you and what you should do to receive maxinum benefits from it This booklet is intended to answer these questions The humidifier operates in conjunction with the furnace blower motor When the humidistat calls for humidity and the blower motor is operating water flows to the distribution pan located at the top of the unit The water is uniformly dis tributed across the width of the pan and through a scientifically designed system of outlets It flows by gravity over the evaporative media Dry hot air is moved through the moisture laden evaporative media where evaporation takes place The now humidified air carries moisture in vapor form throughout the home The correct water flow is determined by an orifice in each unit When the unit is operating there will be a small steady stream of water to drain which flushes away most of the trouble causing minerals Do not use the saddle valve to regulate the water flow It is designed to be completely opened or closed The minerals and solid residue not trapped by the replaceable evaporative media are flushed dow
10. t V Annual Summer Shutdown FOR THE SUMMER HUMIDIFIER SHUTDOWN SIMPLY TURN THE HUMIDISTAT CONTROL TO THE OFF SETTING AND CLOSE THE DAMPER IN THE WB2 12 AND WB2 17 MODELS VI Periodic Preventative Maintenance NOTE Periodic inspection and preventative maintenance of your total heat ing system is important for efficient and safe operation Your Lennox dealer will include humidifier service during a maintenance inspection Your humidifier is equipped with an in line water strainer and orifice as shown below These parts should be inspected and cleaned periodically to assure continued proper unit performance Inspection and Service Instructions 1 Disconnect electrical power to the furnace and shut off water supply CI 2 Disconnect the water line at the inlet OUTLET f COMPRESSION compression nut NUT 3 Remove the in line strainer from inside 5 the inlet side of the valve by using a small onirice nail or wire 4 Flush the in line strainer clean or SOLENOID replace with a new Strainer Service ack Department Part No 4004 5 Replace the in line strainer and recon nect the inlet water line Double Wrench To Prevent Leaking STRAINER 6 Disconnect the water line at the outlet Aie compression nut Nor 7 Remove the orifice from the copper or plastic tube and make sure this small opening is unplugged 8 Replace the orifice and reconnect the outlet water line Double Wrench To Prevent Leaking 9 Turn on
11. water supply and reconnect electrical power to the furnace MAINTENANCE INSTRUCTIONS FOR LENNOX HEALTHY CLIMATE HUMIDIFIER MODELS WB2 12 amp WB2 17 1 Front Cover 2 Distribution Tray 3 V Notches 4 Evaporative M edia 5 Scale Control Insert 6 Drain Hose Represents the evaporative assembly CAUTION Sudden operation may cause personal injury or property damage Turn humidistat to OFF or lowest setting before servicing 1 Note humidistat setting and turn humidistat to the OFF position 2 Atthe side of the unit opposite the airflow duct pull front cover 1 off holding with both hands and set aside 3 Carefully pull the evaporative assembly out by grasping at top and tipping out 4 Remove the black plastic distribution tray from the evaporative assembly by unsnapping the white plastic ends of the Scale Control Insert 5 from the tabs at the end of the tray Lightly scrape any calcium deposits out of the V notches 3 but do not scrape the granular coat ing from the bottom of the tray This textured surface helps ensure even waterflow for maximum performance If the granular coating has been removed place several drops of liq uid dish soap on the distribution tray and clean thoroughly This will only need to be done once 5 Slide the evaporative media 4 out from the white plastic Scale Control Insert 5 Clean the insert frame by twistin
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