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Фрагмент инструкции
(For operating weight, see the general specification table.) A1CAUTION': Do not start cooler until installation is complete and unit has been tested for rigidity. A1CAUTION': Make sure all bolts are securely tightened before starting the cooler. • Wet sections. The wet sections are bolted to the blower section using the connector brackets, lift brackets and bolts provided. Match the colored dots on the wet section to the appropriate dot on the blower section to insure correct installation. • Ductwork. See the General Specification table for dimensions of duct opening. For down discharge units, the duct must go inside the opening. Size these ducts slightly smaller than the duct opening in the cooler. The side and up discharge units have a 1 inch flange. Size these ducts larger than the duct opening to fit over the flange of these units. Note: Curbs are not provided. The installer is responsible for providing curbs or other means to support the cooler. Motor Installation • Motor mounting. Slide the heads of the provided carriage bolts into the slots of the adjustable channels. Slide these channels sideways in the slotted holes to align with the holes in the motor base and to align the motor shaft with the blower pulley. Mount the motor to the 2 motor mount using these carriage bolts and the washers and nuts provided (see Fig. 1). Make sure all bolts are securely tightened. Motor pulley. Install the motor pulley so that it aligns with the blower pulley (see Fig. 2) and tighten set screw. See page 3 for instructions on adjusting pulley. Blower Housing Motor Pulley Blower Pulley Fig. 2 Electrical Connection NOTE: Local building code regulations must be observed. /j\WARNING: Disconnect all electrical services that are used for this unit before beginning any service to the cooler. • Electrical supply. Cooler must be supplied with the proper line current, voltage and frequency, as stamped on blower motor and pump motor specification plate. See the wiring diagrams on page 4 for typical electrical connections. Note: Connecting improper voltage to motor will void motor warranty. • Wire sizing. The conductor sizes are to be determined by motor loads and length of run per national and local electrical codes. • Switches or contactors. Motors require switches or contactors of proper current capacity and should be sized and installed by a qualified electrician. • Wiring. The electrical junction box is located in the upper inside of the divider channel. Remove the two screws and pull the box out from the channel to access wiring (Fig. 3). Connect the pump supply wiring to the pump receptacles (See the pump wiring diagrams on the next page). Connect the motor supply wiring directly to the blower motor. /j\WARNING: Make sure that cooler cabinet is properly grounded to a suitable ground connection for maximum safety. Water Connections • Overflow assembly. Remove nut and place nipple through the hole in the pan, with the rubber washer b...
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