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Resumen del manual
. . . . . . . . . . . . . . . . . . . . . 2 G24.200 Parts Arrangement . . . . . . . . . . . . . . . . . . . . 4 G24.200 Gas Furnace . . . . . . . . . . . . . . . . . . . . . . . . . 6 Shipping and Packing List . . . . . . . . . . . . . . . . . . . . . . 6 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Combustion, Dilution & Ventilation Air . . . . . . . . . . . . 8 Setting Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Return Air Plenum / Filter Box Installation . . . . . . . . 11 Duct System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Blower Motor and Drive Installation . . . . . . . . . . . . . 13 Venting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Unit Start.up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Heating Sequence of Operation . . . . . . . . . . . . . . . . 34 Gas Pressure Adjustment . . . . . . . . . . . . . . . . . . . . . 35 High Altitude Information . . . . . . . . . . . . . . . . . . . . . . 35 Other Unit Adjustments and Operation . . . . . . . . . . . 35 Setting Blower CFM . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Repair Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 G24.200 Start.up & Performance Check List . . . . . 39 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 FIRE OR EXPLOSION HAZARD. Failure to follow safety warnings exact- ly could result in serious injury, death, or property damage. WARNING WHAT TO DO IF YOU SMELL GAS: . Do not try to light any appliance. Do not store or use gasoline or other . Extinguish any open flame. flammable vapors and liquids in the . Do not touch any electrical switch; do not vicinity of this or any other appliance. use any phone in your building. . Leave the building immediately. Installation and service must be per . Immediately call your gas supplier from a formed by a qualified installer, ser neighbor’s phone. Follow the gas suppli vice agency or the gas supplier. er’s instructions. . If you cannot reach your gas supplier, call the fire department. 08/05 503,613M . . G24.200 Unit Dimensions . inches (mm) 10-1/2 (267) 17 (432) 52-1/2 (1334) 53 (1346) 9 (229) Either Side 29-1/4 (743) 17 (432) 4-1/4 (108) Either Side 5-1/2 (140) VENT OUTLETS GAS PIPING INLET Either Side) HEAT EXCHANGER BLOWER MOTOR ELECTRICAL INLET (Either Side) FRONT VIEW SIDE VIEW VENT OUTLETS 52-1/2 (1334) BACK VIEW 50-3/8 (1280) 1-1/16 (27) 1-1/16 (27) 2 (51) 1 (25) 27 (686) 1 (25) 1 (25) 50-1/2 (1283) CONTROL BOX 5/8 (16) REAR RETURN AIR OPENING Supply Air Opening SUPPLY AIR OPENING 26 (660) 50-3/4 (1289) 1 (25) 7/8 (22) 7/8 (22) Bottom Return Air Opening Bottom Return Air Opening AIR FLOW 2-1/4 (57) Page 2 G24.200 Filter Box Dimensions . inches (mm) 5 (127) AIR FLOW 5 (127) *OPTIONAL (25) FILTER BOX 32 (813) 1 4-3/4 (121) 26-1/4 (667) 1 (25) 1 (25) 50-1/2 (1283) OPENING SAME BOTH SIDES AIR FLOW *NOTE Return air filter box may be SIDE VIEW BACK VIEW installed at back or bottom of furnace. 1 (25) 4-3/4 (121) 26-1/4 (667) 1 (25) 50-1/2 (1283) OPENING SAME BOTH SIDES 5 (127) 1 (25) 4-3/4 (121) 26-1/4 (667) 1 (25) 1 (25) 50-1/2 (1283) OPENING SAME BOTH SIDES 5 (127) *NOTE Return air filter box may be installed at back or bottom of furnace. TOP VIEW FRONT VIEW 32 (813) 32 (813) Page 3 Page 4 G24.200 Parts Arrangement G24.200 HEAT SECTION AND CABINET CABINET TOP HEAT EXCHANGER ASSEMBLY* LIMIT CONTROL* LEFT SIDE PANEL PRESSURE SWITCH* PRESSURE SWITCH* FLUE BOX GASKET* COMBUSTION AIR BLOWER* FLUE BOX* IGNITOR* SENSOR* GAS VALVE* (two-stage) BURNER RETENTION BRACKET* BURNER MTG BRACKET* FLAME ROLLOUT SWITCH* IGNITION CONTROL* MAKE.UP BOX* RIGHT SIDE PANEL HEATING COMPARTMENT ACCESS PANEL* BLOWER COMPARTMENT ACCESS PANEL CENTER MULLION REAR PANEL . TOP REAR PANEL . BOTTOM FLEXIBLE CONNECTOR (THIS UNIT CONTAINS TWO HEAT SECTIONS. EACH HEAT SECTION CONTAINS ONE OF THESE ITEMS.) * CONTROL BOX G24.200 Parts Arrangement Continued G24.200 BLOWER SECTION WHEEL BLOWER HOUSING CUT.OFF PLATE BEARING SHAFT BLOWER PULLEY MOTOR (Drive Kit) VIBRATION ISOLATOR BASE ASSEMBLY MOTOR BASE ADJUSTMENT ARM MOTOR BASE LOCATING ROD MOTOR PULLEY (Drive Kit) DRIVE BELT (Drive Kit) Page 5 G24.200 Gas Furnace The G24.200 upflow gas furnace is for use with natural gas only. Each G24.200 requires the installation of a separately ordered drive kit. The available drive kits are listed in tables 10 and 15. Provided in each drive kit is the following: the furnace’s blower motor, its 24 volt control transformer, and (in non-208/230 volt models) an autotransformer for each of the furnaces’s induced draft blowers. Also available for order separately is a filter box...