valutazioni - 4, GPA: 4
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Only trained and qualified personnel should install, repair, or service heating equipment. Untrained personnel can perform basic maintenance functions such as cleaning and replacing air filters. All other operations must be performed by trained service personnel. When working on heating equipment, observe precautions in the literature, tags, and labels attached to or shipped with the unit and other safety precautions that may apply. Follow all safety codes, including NFPA 54/ANSI Z223.1-1988, National Fuel Gas Code. Wear safety glasses and work gloves. Have fire extinguisher available during start-up and adjustment procedures and service call. Recognize safety information. This is the safety-alert sy When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury. Understand the signal word—DANGER, WARNING, or CAUTION. These words are used with the safety-alert symbol. DAN-GERridentifies the most serious hazards which will result in severe personal injury or death. WARNING signifies hazards that could result in personal injury or death. CAUTION is used to identify unsafe practices, which would result in minor personal injury or product and property damage. Never store anything on, near, or in contact with, the furnace, such as: 1. Spray or aerosol cans, rags, brooms, dust mops, vacuum cleaners, or other cleaning tools. 2. Soap powders, bleaches, waxes or other cleaning compounds, plastic or plastic containers, gasoline, kerosene, cigarette lighter fluid, dry cleaning fluids, or other volatile fluids. 3. Paint thinners and other painting compounds, paper bags or other paper products. Failure to follow this warning can cause corrosion of the heat exchanger, fire, personal injury, or death. A WARNING The ability to properly perform maintenance on this equipment requires certain expertise, mechanical skills, tools, and equipment. If you do not possess these, do not attempt to perform any maintenance on this equipment other than those procedures recommended in the User’s Manual. FAILURE TO FOLLOW TfflS WARNING COULD RESULT IN POSSIBLE DAMAGE TO THIS EQUIPMENT, SERIOUS PERSONAL INJURY, OR DEATH. CARE AND MAINTENANCE For continuing high performance and to minimize possible equipment failure, it is essential that maintenance be performed annually on this equipment. Consult your local dealer for maintenance and the availability of a maintenance contract. ij Fig. 1—Model 58EFA Horizontal Furnace A91314 Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Bookl 1 I 4 PC 101 Catalog No. 565-839 Printed in U.S.A. Form 58EFA-2SM Pg 1 8-92 Replaces: 58EFA-1SM Tab 16a!8a A WARNING Turn OFF the gas and electrical supplies to the unit before performing any maintenance or service. Follow the operating instructions on the label attached to the furnace. Failure to follow this warning could result in personal injury. The minimum maintenance that should be performed on this equipment is as follows: 1. Check and clean or replace air filter each month, or as required. (See Step 1.) 2. Check blower motor and wheel for cleanliness and lubrication each heating and cooling season. Clean and lubricate as necessary. (See Step 2.) 3. Check electrical connections for tightness and controls for proper operation each heating season. Service as necessary. 4. Check for blockages of vent pipe. A CAUTION As with any mechanical equipment, personal injury could result from sharp metal edges, etc. Be careful when removing parts, panels, or components. Step 1—Air Filter Cleaning and Replacement The air filter arrangement may vary depending on the application. Each furnace may be supplied with a permanent, washable filter and wire filter retainer option. If so, the filter is normally located in the return-air plenum opening before the blower. (See Fig. 2.) BRACKET Fig. 2—Blower Compartment Table 1—Horizontal Furnace Filters FURNACE SIZE (INPUT BTUH) FILTER SIZE (IN.) FILTER TYPE 50,000 (1) 13x23x1 Cleanable 75,000 (1) 13x23x1 Cleanable 100,000 (1) 16x23x1 Cleanable 125,000 (1) 20x23x1 Cleanable A CAUTION Never operate unit without a filter or with filter access door removed. Failure to follow this warning could result in a fire or personal injury. To clean or replace the filters, proceed as follows: WA 1. Turn OFF electrical supply to unit. 2. Remove blower access door located at inlet (return air) end of furnace; 4 screws must be removed. 3. Bend wire filter retainer until it clears furnace flange and swing it toward the blower. 4. Remove filter from furnace. If filter is tom, replace it. 5. Furnaces may be equipped with permanent, washable filters. Clean these filters by spraying cold tap water through filter in opposite direction of airflow. A mild liquid detergent may be used if necessary. 6. Rinse filters and let dry. Oiling or coating of filters is not rec...