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Hersteller: Sears Dateigröße: 3.24 mb Dateiname: Unterrichtssprache:

Optional LP conversion. Drip Leg and Union, Union* should be the cabinet. Manual shut-off valve MUST be upstream of dripleg, union, and furnace. Gas Pipe Grommet *Union may be installed inside the cabinet when necessary (Single Pipe) because of clearances. 25-23-39 1. Properly size gas pipe to handle combined appliance load Gas Piping Requirements or run gas pipe directly from gas meter or LP gas regulator. Refer to NFGC and ANSI Z223.1 for proper gas pipe size. NOTE: The gas supply line must be installed bya qualified service 2. Install correct pipe size for run length and furnace rating. technician in accordance with all building codes, (In the state of Massachusetts, gas supply connections MUST be performed by a 3. Measure pipe length from gas meter or LP second stage licensed plumber or gas fitter). regulator. [_1 440 01 1020 04 NOTE:RefertoFigure30orFigure31forthegenerallayoutat thefurnace.TheruleslistedapplytonaturalandLPgaspipe installations. NOTE:OntheDualorDirectmodels,thegas CertifiedVentinstall pipegrommetsidepanel If tothefurnacewiththegaspipeentry. needed,removethe2"holeplugandrelocatetotheopenholein thefurnacesidepanel. FIRE OR EXPLOSION HAZARD Failure to properly install metal gas connector could result in death, bodily injury and/or property damage. A flexible corrugated metal gas connector must be properly installed, shall not extend through the side of the furnace,and shall not be used inside the furnace. Black iron pipe shall be installed at the furnace gas control valve and extend a minimum of 2" outside furnace casing. 4. NOTE: by the 5. Use black iron or steel pipe and fittings or other pipe ap proved by local code. The use of copper tubing state of Massachusetts. Use ground joint unions and long to trap dirt and moisture for gas piping is NOT approved install a drip leg no less than 3" before it can enter gas valve. 6. Electrical Wiring ELECTRICALSHOCK HAZARD. Failure to do so could result in death, personal injury and/or property damage. Turn OFF electrical power at fuse box or service panel before making any electrical connections and ensure a proper ground connection is made before connecting line voltage. Power SupplyWiring The furnace MUST be electrically wired and grounded in accordance with local codes, or in the absence of local codes with the latest edition of The National Electric Code, ANSI N FPA 70 and/or The Canadian Electric Code CSA C22.1. The power supply to the furnace connections must be between 104 VAC and 127 VAC during furnace operation for acceptable performance. Field wiring connections must be made inside the furnace connection box. A suitable strain relief should be used at the point the wires exit the furnace casing. conform to temperature limitation of 63 ° F (35 ° C) rise and be sized for the unit maximum amps stated on the rating plate. Add the full load amps for potential field-installed accessories such as electronic air cleaners and humidifiers that would receive power from the furnace control. Copper conductors 0.8 amps combined for proper wire and 440O1102004 The furnace control is rated for a maximum of shall be used. Line voltage wires should for EAC and Hum. Consult N EC or local codes circuit sizing. 6. Use two pipe wrenches when making connections to prevent gas valve from turning. 7. Install a manual shut-off valve external to furnace casing and tighten all joints securely. Additional LP Connection Requirements 1. Have a licensed LP gas dealer make all connections at storage tank and check all connections from tank to furnace. 2. If copper tubing is used, it MUST comply with limitation set in National Fuel Gas Code or CGA codes. 3. Two-stage regulation of LP gas is recommended. Final Check The furnace and the gas valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1/2" PSIG. Close the manual shut-off valve before testing at such pressures. When installation is complete, test all leaks with the gas pressure less than valve. 3. Apply a commercial soap solution to leaks. Correct any leaks indicated by pipe connections for 1, /2' PSIG to the gas all joints to test for bubbles. 4. Correct even the smallest leak at once. 5. Check for leaks at gas valve and orifice connections to the burner manifold along with the pilot tube connections to the valve and pilot assembly while the furnace is operating. J-Box Relocation The j-box is installed on left side of casing. An alternate j-box location on right side can be used. 1. Remove bag containing two hole plugs and two self tapping screws from loose parts bag in blower compartment. 2. Remove two screws holding j-box 3. Move large hole plug from right to 4. Move j-box to alternate location tapping screws from bag. 5. Apply two hole plugs from bag at Thermostat to casing. left j-box location. and attach using two self left j-box location. Thermostat location has an important effect on the operation of the unit. Follow instructio...

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