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Производитель: Essick Air Размер: 655.66 kb Название файла: Язык инструкции:

IMPORTANT: Do not connect the water supply to any soft water applications. Soft water will cause corrosion and decrease the life of the cooler. - Overflow Pipe W— Nipple — Rubber Washer O)- Bottom Pan — Nut Fig. 6 - To Switch - To Switch 2 110503-1 Install float and attach water line to float. The float may be installed in either the corner post or bracket (see Fig. 9). If you have model 3000DD/N31D then the float should be mounted to the bracket. Refer to figure 10 for installation instructions. Insert the float (1) thru the hole in the corner post or bracket. Install the washer (2) and nut (3). Tighten to keep the float from turning. Place the nut (5) and ferrule (4) on the water supply line. Connect to float fitting and tighten until water tight. Fill pan. Allow water to fill to within 1” of top of pan and adjust float to maintain this water level. This can be accomplished by bending the float rod. Level water troughs. Operate pump until pads are saturated. Check each trough to see if water is evenly dispersed in the trough. If they are not, loosen adjustment bolts and level trough. Retighten bolts. Check to see that all pads are saturated with water and that there are no dry spots or openings in the pads. Corner Fig. 10 Bleeder Tee Bleeder Tubing Restrictor Overflow Fig. 11 Bleed-Off Installation of the bleed-off kit is recommended to increase the life of the cooler. A bleed-off system is designed to prevent scale build up by continually removing a small percent of the water in the pan. • Install Bleeder Tee and Tubing. Refer to figure 11. Cut the pump hose and insert the barbed ends of the bleeder tee into each cut end. Insert one end of the bleeder tubing onto the bleeder tee and run the other end out of the cooler through the overflow pipe. Note: A restrictor clamp is provided which, if desired, may be installed onto the bleeder tubing to restrict the amount of water being bleed off. The amount of water to bleed off depends on the quality of the water in your area. Start with 1-2 gal/hr and increase if needed. Amperage Draw And Belt Tension This unit is equipped with an adjustable motor drive pulley for adjusting the blower wheel speed to the proper loading on different duct systems. It is important that the motor drive pulley is adjusted to correct size to assure maximum air delivery without damage to the motor. Be sure to follow these instructions carefully. • Adjust drive pulley. After the unit is completely installed, adjust the drive pulley to the least diameter and adjust belt tension. See the maintenance section for adjusting belt tension. • Start cooler. Install all pad frames, start pump, and allow to operate until pads are wet. • Check amperage. With pads wet and unit started, check amperage draw with an amperage meter. Adjust pulley if necessary. If amperage draw is less than motor rating, turn off electrical power and remove pad frame. Unplug motor inside cooler, this will protect you from someone turning on unit while you are working inside. This should be done for your safety. Adjust pulley to a larger diameter and readjust belt tension, plug motor in, install pad frame, and retest amperage draw. Repeat this process until correct amperage draw is attained. Increasing motor pulley diameter increases amperage draw. Decreasing motor pulley diameter decreases amperage draw (see Fig. 12). A\CAUTION: Do not operate cooler with larger amperage draw than specified on motor plate. NOTE: No attempt should be made to completely install this unit without the aid of an electrician or someone familiar with testing amperage draw. Failure to comply with these instructions may void your warranty. Maintenance ^WARNING: Before doing any maintenance be sure power is off. At the time you remove a pad frame be sure to unplug motor and pump. This is for your safety. Spring Start-Up • Clean pump. Cleaning the pump is necessary once a year at start-up. For your safety, turn unit off and unplug motor and pump. Remove the pump from the mount slot. Remove the base of the pump (Fig. 13). Clean the pump and turn the impeller to ensure free operation. R...

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