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Фрагмент инструкции
Slide float shield (7) over float body (5) until it snaps into place. Wet Module Mounting Bolts Fig. 1 Drain Pump Hose Overflow Pipe Nipple Rubber Washer Bottom Pan Nut Fig. 2 Fig. 4 Electrical Installation ÊWARNING: Disconnect all electrical service that will be used for this unit before you begin the installation and leave it disconnected until the installation is complete. The control box is factory wired and installed for either 120 V or 230V operation depending on the model you purchased. The supply power should be adequately protected against overloads and short circuits. Note: Electrical installation should be performed by a qualified electrician. Be sure to follow all National and Local Electrical Codes when installing this cooler. • Install weatherproof switch box. Located inside the unit in a plastic bag is a switch box and cover, a chase nipple, a seal ring and a toggle switch. Remove the electrical junction box (Fig. 5) which is mounted on the inside of the center panel. From inside the unit, insert the chase nipple Seal Ring Electrical through the electrical access hole. Slide the seal ring over the chase nipple. Mount the switch box to the outside of the unit by threading the chase nipple into the switch box. Run the three switch leads through the nipple and into the switch box and reinstall the junction box. Connect the green ground lead to the ground screw in the switch box. • Supply power to unit. Run power to the external switch box and connect to the two poles of the toggle switch. Connect the gray and white leads from the cooler electrical box to the two poles of the toggle switch. Refer to the appropriate wiring diagram to complete the electrical installation of your cooler. Secure the switch into the switch box and install the gasket and switch cover. /^CAUTION: All openings in the external switch box must be sealed to prevent water from entering the switch box. /^CAUTION: Pump receptacles are for grounded evaporative cooler pumps only. Do not plug anything else into receptacle. AWARNING: Make sure that cooler cabinet is properly grounded to a suitable ground connection for maximum safety. Thermostat Installation 1) Find a suitable location for the wall thermostat (away from sources of heat, sunlight, or ventilation, and between 4 and 6 feet from the floor). The thermostat may be mounted to a standard electrical box. 2) Route an insulated four-conductor thermostat cable (or similar) from the Control Box inside the cooler to the thermostat electrical box. This cable is not supplied. AWARNING: The thermostat cable should not be routed next to or enter the cabinet through the same inlet as the power supply wire. 3) Connect the thermostat wires to the terminals on the back of the wall control and to the terminals located on the left side of the control box in the unit. Make sure to follow the color code found next to each terminal. Amperage Draw And Belt Tension This unit is equipped with an adjustable motor drive sheave 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. 4 2 110498-3 Start cooler. Install both inspection panels, 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. During automatic operation, the control performs a 90 second water dump cycle every 8 or 12 hours of pump operation. This int...
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