valutazioni - 2, GPA: 3.5
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Facilità d'uso
The double inlet units will have two float valves, one for each wet section. Note: Do not use water supplied from a water softener. Float valve. Refer to Fig. 5 to install float. Remove items 1, 2, 3, and 4. Insert float body (5) through hole in splash plate (9) and back post panel as shown. Install washer (1) and nut (2). Tighten to 110526 keep float from turning. Place nut (4) and ferrule (3) on water supply line. Connect to float fitting and tighten until water tight. Turn on water supply and check for leaks. Loosen screw (6) and adjust rod (7) until water level is within 1” of top of reservoir. Tighten screw (6). Slide float shield (8) over float body (5) until it snaps into place. • Bleed-Off. Use of the bleed-off kit is recommended to prevent scale build up by bleeding off small amounts of circulating water during operation. Do not add any type of water treatment chemicals to the water since they may damage the evaporative media. Pulley And Belt Adjustments • Pulley adjustment. With an ammeter, check the motor amperage. Adjust the pulley until the amperage draw on the motor is just below that specified on the motor nameplate. To adjust the pulley, loosen the adjustment set screw and rotate the sheave. Tighten the set screw so that it is over a flat area, otherwise thread damage will occur. To increase amperage draw, increase pulley diameter. To decrease amperage draw, decrease pulley diameter (see Fig. 6). Recheck belt alignment. ACAUTION: Always check the amperage of the motor after adjusting pulley to be certain it does not exceed the amperage stamped on the motor specification plate. Improper pulley adjustment will overload and burn out the motor. 3 Lb. Belt tension. Loosen the motor mount bolts and slide the motor back until the belt is properly tensioned. A 3 lb. force should deflect the belt 3/4 inches (see Fig. 7). Retighten motor mount bolts. Do not adjust pulley to tighten belt. Maintenance 3/4 Inches Fig. 7 AWARNING: Before doing any maintenance be sure to disconnect from power source. This is for your safety. Spring Start-Up • Belt tension. Check belt tension and readjust if needed. • Grease bearings. The blower bearings in this unit should be greased once a year with a good grade of ball bearing grease. • Cleaning pads. A clean pad is more absorbent, efficient and will give more cool air. Annually, or when required, using a garden hose with nozzle, back wash to clean out the openings, then clean off the inlet face any scale or other obstruction to the passages. Slight scraping may be required to remove hardened scale. • Pad replacement. The pads should be replaced after 5 years or if necessary. To change pads, remove top access panel, remove grill, and disconnect water delivery tube. Remove water distributor holder and lift out media sections. Replace with the same type media. You can purchase them from your dealer. IMPORTANT: In order to get the best performance from your cooling pads, they must be ins...
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