Lennox International Inc. SLP98DFV Gas Heater User Manual
Contents
1. USER S INFORMATION LENNOX P 2010 Lennox Industries Inc Dallas Texas USA 506454 01 07 2010 SLP98DFV SERIES VARIABLE CAPACITY GAS FURNACE Technical Publications Litho U S A FIRE OR EXPLOSION HAZARD y A WARNING Failure to follow safety warnings exactly W could result in serious injury death or property damage WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance e Do not touch any electrical switch do not use any phone in your building e Leave the building immediately Installation and service must be per e Immediately call your gas supplier from a formed by a qualified installer ser neighbor s phone Follow the gas supplier s vice agency or the gas supplier instructions e If you cannot reach your gas supplier call the fire department Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance 07 10 506454 01 WA ANIA A SLP98DFV Parts Identification TOP CAP VARIABLE SPEED BLOWER MOTOR SURELIGHT INTEGRATED CONTROL DURALOK HEAT EXCHANGER ASSEMBLY VARIABLE SPEED COMBUSTION AIR INDUCER BURNERS AIR INTAKE COLLAR FLUE COLLAR CABINET PRESSURE SWITCH ASSEMBLY GAS VALVE AND MANIFOLD FIGURE 1 NOTE This manual must be left with the equipment user Notice to Homeowner This furnace is equipped with safety devices that protect you and your property If one or mo2. on the unit and in the room where the furnace is installed Must be open and unob structed to provide combustion air Burners Must be inspected for rust dirt or signs of water Vent pipe Must be inspected for signs of water damaged or sagging pipe or disconnected joints Unit appearance Must be inspected for rust dirt signs of water burnt or damaged wires or components Blower access door Must be properly in place and pro vide a seal between the return air and the room where the furnace is installed Return air duct Must be properly attached and provide an air seal to the unit Operating performance Unit must be observed during operation to monitor proper performance of the unit and the vent system Combustion gases Flue products must be analyzed and compared to the unit specifications Problems detected during the inspection may make it nec essary to temporarily shut down the furnace until the items can be repaired or replaced Pay attention to your furnace Situations can arise be tween annual furnace inspections that may result in unsafe operation Repair Parts List The following repair parts are available through Lennox dealers When ordering parts include the complete furnace model number listed on the CSA International nameplate Example SLP98DF070V36B All service must be done by a li censed professional installer or equivalent a service agency or the gas supplier Cabinet Parts
3. Outer access panel Blower access panel Top cap Control Panel Parts Transformer SureLight integrated control Door interlock switch Circuit breaker Blower Parts Blower wheel Motor Blower housing cut off plate Page 7 Heating Parts Flame Sensor Heat exchanger assembly Gas manifold Combustion air inducer Gas valve Main burner cluster Main burner orifices Pressure switches Ignitor Primary limit control Flame rollout switches
4. safety and to fulfill the terms of the limited warranty a licensed professional service technician or equivalent must annually inspect this furnace and its vent system Annually before heating season inspect furnace venting system vent cap heat exchanger and burners for corro sion deterioration or deposits of debris Remove any ob structions Inspect the furnace for obvious signs of deterioration Inspect the furnace venting system to make sure it is in place physically sound and without holes corrosion or blockage Vent pipe must be clear and free of obstructions and must slope upward away from the furnace Inspect the furnace return air duct connection to ensure duct is sealed to the furnace and terminates outside the space containing the furnace Inspect the physical support of the furnace to guarantee that it is sound without sagging cracks or gaps around base and it maintains seal between base and support Inspect the condensate drain and trap for leaks and cracks The drain and trap must also be cleaned and the trap must be filled with water During a seasonal check the service technician will con duct a combustion analysis The technician will also in spect the indoor blower burner flames electrical connec tions and the venting system Blower Check the blower wheel for debris and clean if necessary The blower motors are prelubricated for extended bearing life No further lubrication is needed AWARN
5. technician A DANGER Danger of explosion There are circumstances in which odorant used with LP propane gas can lose its scent In case of a leak LP propane gas will settle close to the floor and may be difficult to smell An LP propane leak detector should be installed in all LP applications Do not attempt to bleed the gas lines of air Call your local gas provider Start Up amp Operation Information AWARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or death BEFORE PLACING THE UNIT INTO OPERATION smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor Page 4 The gas valve on the SLP98DFV is equipped with a gas control switch Use only your hand to move the control switch Never use tools If the switch will not move by hand do not try to repair it Call a licensed professional service technician or equivalent Force or attempted repair may result in a fire or explosion Placing the SLP98DFV furnace into operation SLP98DFV units are equipped with a SureLight ignition system Do not attempt to manually light burners on this furnace Each time the thermostat calls for heat the burn ers will automatically light The ignitor does not get hot when there is no call for heat on units with SureLight igni tion system Operating the
6. Gas Valve Figure 2 1 STOP Read the safety information at the beginning of this section 2 Set the thermostat to the lowest setting 3 Turn off all electrical power to the unit 4 This furnace is equipped with an ignition device which automatically lights the burners Do not try to light the burners by hand 5 Remove the outer access panel 6 Move the gas valve switch to the OFF position See fig ure 2 7 Wait five minutes to clear out any gas If you then smell gas STOP Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instruc tions If you do not smell gas go to next step VARIABLE CAPACITY GAS VALVE x GAS VALVE SWITCH GAS VALVE SHOWN IN ON POSITION FIGURE 2 8 Move gas valve switch to ON position See figure 2 9 Replace the outer access panel 10 Turn on all electrical power to to the unit 11 Set the thermostat to desired setting NOTE When unit is initially started steps 1 through 11 may need to be repeated to purge air from gas line 12 If the appliance will not operate follow the section Turning Off Gas to the Unit and call your service tech nician or gas supplier Turning Off Gas to the Unit 1 Set the thermostat to the lowest setting 2 Turn off all electrical power to the unit if service is to be performed 3 Remove the outer access panel 4 Move the gas valve switch to the OFF position 5 Replace the outer
7. ING The blower access panel must be securely in place when the blower and burners are operating Gas fumes which could contain carbon monoxide can be drawn into living space resulting in personal inju ry or death Burner Flame A CAUTION To ensure proper operation a licensed professional service technician or equivalent should check the burner flame and conduct a combustion analysis ETaaerelinva Electrical 1 Check all wiring for loose connections 2 Check for the correct voltage at the furnace furnace operating 3 Check amp draw on the blower motor Motor Nameplate Actual Service Reminder Call your Lennox service technician if the unit will not oper ate Before calling always check the following to be sure service is required 1 Check that electrical disconnect switches are ON 2 Check room thermostat for proper setting 3 Replace any blown fuses or reset circuit breakers 4 Gas valve should be ON 5 Air filter should not be plugged which will limit air flow 6 Is gas turned on at meter 7 Is manual main shut off valve open Record the model and serial number of the furnace These numbers are on the unit nameplate which is located on the blower deck below the combustion air inducer Serial Number Model Number Safety Precautions If you discover any of the following shut down your unit and contact a Lennox dealer for an inspection by a licensed professional service te
8. access panel All SLP98DFV filters are installed external to the unit Fil ters should be inspected monthly Clean or replace the fil ters when necessary to ensure proper furnace operation Replacement filters must be rated for high velocity airflow Table 1 lists recommended filter size A filter must be in place whenever the unit is operating TABLE 1 Furnace Cabinet Width B Cabinet 17 1 2 C Cabinet 21 1 2 Maintenance A licensed professional service technician or equivalent should inspect the complete system each season heating and cooling The following maintenance procedures should only be conducted by a licensed professional ser vice technician or equivalent Do not attempt to service the unit in any way AWARNING ELECTRICAL SHOCK FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in dangerous operation serious injury death or property damage Improper servicing could result in dangerous opera tion serious injury death or property damage Before servicing disconnect all electrical power to furnace When servicing controls label all wires prior to dis connecting Take care to reconnect wires correctly Verify proper operation after servicing 16x25x1 Page 5 Venting System A WARNING Asphyxiation Hazard The exhaust vent for this furnace must be leak free and must be securely connected to the furnace flue collar at all times For your
9. chnician or equiva lent e If you repeatedly hear any new or unfamiliar sounds while your unit is operating there may be a problem For example poorly performing burners can produce unfa miliar noises If you smell any unusual odors your unit may be operat ing improperly For example units can give off unfamil iar odors if components are required to operate in ab normal conditions Look for visible signs of a malfunctioning unit Examples include unusual amounts of condensate on windows in side your house visibly burnt components or unusual dirt or rust accumulations on the vent pipe or in the unit Page 6 e If you experience headache nausea fatigue or dizzi ness the cause could be exposure to carbon monoxide gas This is often misdiagnosed as the flu because symptoms are similar If you suffer from flu like symp toms that are exaggerated at home but seem to sub side while you are away from the house exposure to carbon monoxide could be the cause Your vigilance may pay off in early detection of a problem before either personal injury or property damage occurs Do not hesitate to contact a licensed professional service technician or equivalent as an investment in your well be ing Planned Service You should expect a service technician to check the follow ing items during an annual inspection Power to the unit must be shut off for the service technician s safety Fresh air grilles and louvers
10. hat the gas supplied to the unit be completely burned to avoid the pro duction of carbon monoxide gas Complete combustion of the gas requires but is not limited to correct gas pressure and gas flow rate adequate combustion air and proper venting A WARNING Carbon monoxide gas is invisible odorless and tox ic Exposure to carbon monoxide gas can cause personal in jury and even death to all occupants including pets Any item that is powered by or gives off heat from a combustion process including lawn mowers automobiles and fire places has the potential to produce carbon monoxide gas Because of this Lennox recommends the use of a car bon monoxide detector in your home even if you do not own gas appliances Reliable detectors are available at reasonable retail prices Contact your Lennox dealer for more details about this investment in your safety Your furnace is designed to meet standards set by national agencies and to operate safely when properly installed and maintained However the unit s performance can be greatly impacted by the individual installation and the oper ating environment It is your responsibility to ensure that this appliance is maintained Proper maintenance is critical for your safety and the satis factory operation of the product Lennox strongly recom mends annual inspection and maintenance of this ap pliance Contact your Lennox dealer for an inspection by a licensed professional service
11. ozen fog event the fur nace vent pipes may become restricted Always check the vent system and remove any snow or ice that may be obstructing the intake or exhaust plastic pipes 3 DO NOT obstruct air flow to unit Unit must receive an unobstructed flow of combustion and ventilating air DO NOT block or obstruct air openings on the furnace or air openings to the area in which the furnace is installed Take care to maintain established clear ances surrounding the furnace 4 DO NOT store chlorine or fluorine products near unit or introduce these products into the combustion air These products can cause furnace corrosion 5 DO NOT draw return air from a room where this fur nace or any other gas appliance ie a water heat er is installed When return air is drawn from a room a negative pressure is created in the room If a gas ap pliance is operating in a room with negative pressure the flue products can be pulled back down the vent pipe and into the room This reverse flow of the flue gas may result in incomplete combustion and the formation of carbon monoxide gas This toxic gas might then be distributed throughout the house by the furnace duct system A WARNING The blower door must be securely in place when the blower and burners are operating Gas fumes which could contain carbon monoxide can be drawn into the living space resulting in personal injury or death Your furnace is a gas appliance It is critical t
12. re of these devices is activated furnace operation will stop If your home is left unattended for an extended period of time equipment op eration must be checked periodically If this is not possible the water supply to the house should be shut off and the pipes should be drained This will prevent problems associ ated with a NO HEAT condition frozen pipes etc Page 2 ACAUTION As with any mechanical equipment personal injury can result from contact with sharp sheet metal edges Be careful when you handle this equipment A WARNING Before attempting to perform any service or mainte nance turn the electrical power to unit OFF at the disconnect switch AWARNING Product contains fiberglass wool Disturbing the insulation in this product during installation maintenance or repair will expose you to fiberglass wool Breathing this may cause lung cancer Fiberglass wool is known to the State of Cal ifornia to cause cancer Fiberglass wool may also cause respiratory skin and eye irritation To reduce exposure to this substance or for further information consult material safety data sheets available from address shown below or contact your supervisor Lennox Industries Inc P O Box 799900 Dallas TX 75379 9900 A CAUTION Do not set thermostat below 60 F 16 C in heating mode Setting thermostat below 60 F 16 C reduces the number of heating cycles Damage to the unit may occur that is not cove
13. red by the warranty A WARNING If overheating occurs or if gas supply fails to shut off shut off the manual gas valve to the furnace before shutting off electrical supply AWARNING Do not use this furnace if any part has been underwa ter A flood damaged furnace is extremely danger ous Attempts to use the furnace can result in fire or explosion Immediately call a licensed professional service technician or equivalent to inspect the fur nace and to replace all gas controls control system parts and electrical parts that have been wet or to re place the furnace if deemed necessary NOTICE Any additions changes or conversions required in order for the appliance to satisfactorily meet the ap plication needs must be made by a licensed profes sional installer or equivalent using factory speci fied and approved parts Page 3 AWARNING Improper installation adjustment alteration service or maintenance can cause property damage person al injury or loss of life Installation and service must be performed by a licensed professional installer or equivalent a service agency or the gas supplier Safety Instructions 1 Keep the furnace area clear and free of combustible material gasoline and other flammable vapors and liquids If it is installed in an insulated area the furnace must be kept free of insulating material Insulating ma terial may be combustible 2 After any heavy snow ice or fr
Download Pdf Manuals
Related Search