White Rodgers FG9 Manual
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035-19592-001 Rev. C (0204)4 Unitary Products GroupFURNACE USER MAINTENANCEEvery time the filters are changed the following items should be visuallyinspected:• Check combustion air and vent pipe for blockage or leakage.• Check all components to be sure they are in good condition andthat there are no obvious signs of deterioration.• Check the drain lines to make sure there are no cracks or leaks.• Check for dirt or lint on any surfaces or on components. Do not tryto clean any of the surfaces or components. Cleaning of the fur-nace and its components must be done by a qualified service pro-fessional.If, during the inspection of your furnace, you find any of the followingconditions:• Excessive amounts of dust and lint on components.• Damaged or deteriorated components or surfaces.• Leaks or blockage in the vent pipe passages.• Water on any surface inside or outside of the furnace.Do not operate the furnace, call a certified dealer / servicing contractorto check and / or clean your furnace, or for more information if you havequestions about the operation of your furnace.If all components appear to be in good operating condition, replace thefront panels. Turn ON the gas and electrical power supplies to the fur-nace, and set thermostat to the desired temperature.SECTION II: SERVICE AND MAINTENANCEMANUALSAFETY SECTIONThe following safety rules must be followed when servicing thefurnace.FURNACE MAINTENANCE SECTIONThe furnace should be cleaned and adjusted by a certified dealer orqualified service contractor once a year or before the start of everyheating season. The following items must be cleaned and serviced orreplaced if there are signs of deterioration.1. The vent terminal screen (if applicable).2. The furnace vent and combustion air intake passageways. Shouldit be necessary to service the vent/air intake system, the manufac-turer recommends this service be conducted by a qualified serviceagency. The operation of this appliance requires the reassemblyand resealing of the vent/air intake system.3. The furnace burners, ignitor and flame sensor.4. The condensate collection and disposal system. If any disassem-bly of components containing flue or vent gases is required, aqualified service agency must perform the service.Air FiltersThe filters should be checked every 3 months. On new construction,check the filters every week for the first four weeks and every threeweeks after that, especially if the indoor fan is running continuously.When replacing the filter(s), refer to Table 1 to be sure you install theright size filter for your furnace. Dirty filters greatly restrict the flow of airand may cause damage to the moving parts of the furnace. If the filtersbecome clogged the heat exchangers and blower motor could overheatresulting in a potentially dangerous situation.Never operate your furnace without a suitable air filter.Removing FiltersInternally Mounted Air FiltersMost upflow furnaces have their filters located on the side or bottom ofthe furnace in a filter wire retainer located inside the blower compart-ment. To check filters located in the blower compartment:1. Remove the upper furnace door by lifting up. Pull out bottom ofdoor and lower from furnace.2. Remove the blower compartment panel by lifting up.3. The filters will be located on the bottom or the one of the sides. Toremove bottom-mounted or side mounted filter (s) on all furnaces,push the looped end of the filter retainer rod in, and then moveaway from the filter.4. Reverse the procedure to reinstall filters.Externally Mounted Air FiltersSome installations may have the air filter in a rack attached to the cas-ing of the furnace or placed in the return air duct. You can gain accessto the filter by pulling on the door or unscrewing the retaining screw,then slide the filter(s) out of its channel. Replace throw away filter(s)with the same size new filter(s). Throw away filter(s) may be replacedwith cleanable filter(s) at this time. Cleanable filter(s) may be cleaned asdescribed in the manufacturer instructions or as described below andthen re-installed.To replace the filter after cleaning you must do the following:1. Slide filter into place.2. Snap the door on or place the door in position and tighten theretaining screws, if provided.3. Make sure the door is secure to the end of the filter rack.Before proceeding, be sure the area is well ventilated. Turnthe thermostat OFF. If the blower is running, wait until itstops automatically. Turn OFF the gas and electrical powersupplies to the furnace. Check all metal parts and surfacesto be sure they have cooled to room temperature beforeyou begin.ELECTRIC SHOCK, FIRE OR EXPLOSION HAZARDFailure to follow safety warnings exactly could result indangerous operation, serious injury, death or propertydamage.Improper servicing could result in dangerous operation,serious injury, and death or property damage.• Before servicing, disconnect all electrical power to the fur-nace.• When servicing controls, label all wires prior to discon-necting. Reconnect wires correctly.• Verify proper operation after servicing.FIGURE 6: Upflow Internal Filter RetainerPOSITION WIRE RETAINER(IF PROVIDED) UNDER FLANGECLIPSFURNACEFRONTRIGHT SIDEINSTALLATIONSHOWNIF FILTERPROVIDED |
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