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Hersteller: Lennox International Inc. Dateigröße: 2.2 mb Dateiname: 74bf3324-cf3b-4d2b-aaf5-4cd643369a3c.pdf Unterrichtssprache:

Installation and service must be performed by a qualified installer, service agency or the gas supplier. INSTALLATION INSTRUCTIONS G50UH(X) Series GAS FURNACE 505,254M _ Technical 8/2006 .L_._L Publications Supersedes 504,957M Lithe U.S.A. Unit Dimensions ................................ 2 G50UH(X) Parts Arrangement .................... 3 G50UH(X) Gas Furnace .......................... 4 Shipping and Packing List ........................ 4 Safety Information ............................... 4 General ........................................ 5 Combustion, Dilution & Ventilation Air .............. 6 Setting Equipment ............................... 8 Filters .......................................... 12 Duct System .................................... 12 Venting ........................................ 12 Gas Piping ..................................... 20 Electrical ....................................... 21 Unit Start-Up ................................... 25 Gas Pressure Adjustment ........................ 26 High Altitude Information ......................... 27 Other Unit Adjustments .......................... 27 Service ........................................ 28 Repair Parts List ................................ 30 Ignition Control Board Diagnostic Codes ........... 30 Troubleshooting ................................. 31 Start-Up & Performance Check List ................ 35 &WARNING WHAT TO DO IF YOU SMELL GAS: • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Leave the building immediately. • Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions. • If you cannot reach your gas supplier, call the fire department. 08/06 505,254M IIIHIININIIIIIIIIIIIIIIIIIIIIIIIIIIII Page1 IIIHIIIIIIIIIIIIIIIIIIINIIIIIIIIIIIIIIIIIIIIIII 1 NOTE -60C and 60D size units that require air volumes 3-3/4 (95)-I_ 1 over 1800 cfm (850 L/s) must have one of the following: 1. Single side return air with transition, to accommodate 20 x 25 x 1 in. (508 x 635 x 25 mm) air filter. Required to maintain proper air velocity across the filter. 2. Single side return air with optional RAB Return Air Base SUPPLY AIR OPENING 3. Bottom return air. 4. Return air from both sides. FLUE OUTLET 5. Bottom and one side return air. (Top) See Blower Performance Tables for additional information. 1OPTIONAL EXTERNAL 2 Flue outlet may be horizontal but furnace must be 23-3/4 (603) SIDE RETURN AIR FILTER KIT vented vertically (Either Side) 3 Optional External Side Return Air Filter Kit is not for use I_1 25 (635) = with the optional RAB Return Air Base. TOP VIEW TOP VIEW 28-1/2 ,_ A -_ 3-1/4 (83) Right (724) 8-1/8 (206) Left 9/16 B _ 4-9/16 (14) r- II iE OUTLET (Either Side) ELECTRICAL INLET /" ........... h r ........... h ::::::::h f .............. 13-1/4 (337) Left (Either Side) 3 OPTIONAL EXTERNAL o GAS PIPING INLET SIDE RETURN AIR FILTER KIT __ (Either Side) 4-7/8 (124) Right (Either Side) __ 40 2-1/4 (57) Left -I_ ELECTRICAL INLET .... (1016) OW (Either Side) ' I ,, i (584) [1024 23 14 1 OPTIONAL RETURN CUTOUT (3_6) AiR FLOW L (Either Side) !1 1-15/16 (49) 5/8 (16) 23-1/2 v (597) 4-1/4 1 Bottom Return 1 Bottom Return (108) Air Opening Air Opening FRONT VIEW SIDE VIEW ABCD Model No. in. mm in. mm in. mm in. mm G50UH-24A-045, G50UH-24A-070, 14-1/2 368 13-3/8 340 13 330 4-1/2 114 G50UH-36A-070 G50UH-36B-090, 17-1/2 446 16-3/8 416 16 406 6 152 G50UH-48B-090 G50UH-36C-110, G50UH-48C-110, 21 533 19-7/8 504 19-1/2 495 7-3/4 197 G50UH-48C-135, G50UH-60C-110 G50UH-60D-135, 24-1/2 622 23-3/8 546 23 584 9-1/2 241 G50UH-60D-155 Page 2 Gasket FlueTransition % Flame Sensor _ Flame Rollout Switches* Flame Rollout Bracket Gas Valve Gas Orifices Ignitor Bracket Burner Bottom Shield Control SureLight . Control Board "135 and 155 kBtuh units only -Flame rollout switches are located on brackets on the inner sides (one on the left and one on the right) of the burner box. AirDeflector G50UH-48C-135, G50UH-60C-110 & FlueBoxGasket G50UH-60D-155 UnitsOnly HeatExchanger FlueCollectorBox Combustion Air Orifice Combustion Air Pressure Switch Air Inducer Limit Shield Primary Limit NOx Insert (NO x Units Only) \ Ig'_itor Secondary Limit Transformer _ _'_ X Blower Assembly _'_ " Capacitor _ Door Interlock Switch FIGURE 1 Page 3 TheG50UH(X)gasfurnaceisshippedreadyforinstallationintheupfioworhorizontalposition( leftorright).The furnaceisshippedwiththebottompanelinplace.Thebottompanelmustberemovediftheunitistobeinstalledina horizontalapplication.Thepanelmayalsoberemovedin upfiowapplications. Package 1 of 1 contains 1 -Assembled G50UH(X) unit 1 -Bag assembly containing the following: 2 -Screws 3 -Wire nuts 1 -Snap bushing 1 -Snap plug 1 -Wire tie 1 -Vent warning label 1 -Owner's manual and warranty card The following items may be ordered separately: 1-Thermostat 1 -Hanging bracket (for horizontal installations) 1 -Propane/LP changeover kit 1 -High altitude kit 1 -Return air bas...

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