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4875 Power Controller Preface Installation Related Instructions — 4 General Instructions — 8 Scope — 4 4875 Connections — 8 Applications — 4 Switches and Indicators — 9 Explanation of Symbols — 5 4875 Fuses and Breakers — 10 Safety Information — 5 Intended Usage — 5 Cleaning & Maintenance — 5 General Specifications — 6 Environmental Conditions — 6 Users Responsibility — 7 Unpack Carefully — 7 www.parrinst.
4875 Power Controller Preface Applications Each Series 4875 Power Controller consists of a power controller completely wired and assembled with appropriate power and safety relays, switches and pilot lights. Related Instructions The following Parr publications are also included to further your understanding of this instrument and its component parts: No.
875 Power Controller Explanation of Symbols I On position O Off Position This CAUTION symbol may be present on the Product Instrumentation and literature. If present on the product, the user must consult the appropriate part of the accompanying product literature for more information. Protective Earth (PE) terminal. Provided for connection of the protective earth (green or green/yellow) supply system conductor. Safety Information Intended Usage To avoid electrical shock, always: 1.
4875 Power Controller General Specifications Environmental Conditions Electrical Ratings 115VAC 50/60 Hz 15.0 Amps 230VAC 50/60 Hz 15.0 Amps This instrument is to be used indoors and requires 3 square feet of space below the controller in a wellventilated area with convenient access to an electric outlet.
4875 Power Controller Users Responsibility Unpack Carefully All Parr reactors and pressure vessels are designed and manufactured with great care to assure safe operation when used within their prescribed temperature and pressure limits. Unpack the equipment carefully and check all the parts against the packing list. If shipping damage is discovered, report it immediately to the delivering carriers.
4875 Power Controller Installation Parr Heating Only: General Instructions Set the controller near the reactor on a sturdy bench or table where there is convenient access to an electrical outlet capable of carrying up to 15 amperes. Leave a space of at least twelve inches between the controller and the heater of the reactor so that the controller will not be affected by radiant heat. Refer to applicable Process Controller Operating Manual for specific installation instructions.
4875 Power Controller Switches and Indicators The motor controls consist of an on-off switch, a speed control knob and, local remote switch. The speed control knob should be turned down to a minimum setting before turning on the motor switch to minimize electrical surges within the speed control unit. The motor on-off switch switches on and off power to the motor output. The local remote switch, switches between local control using the speed control knob and remote control using a PC.
4875 Power Controller 4875 Fuses and Breakers Warning: Unplug unit before servicing. For continued protection against possible hazard, replace fuses with same type and rating of fuse. A heating fuse, or two heater fuses on 230V models, is mounted on the back panel. These are fast-acting, 250VAC, 15A fuses intended to protect the controller if an over current fault occurs within the heater assembly.
Parr Instrument Company 211 53rd Street Moline, Illinois 61265 USA Phone: 1-309-762-7716 or 1-800-872-7720 Fax: 1-309-762-9453 E-mail: parr@parrinst.com http://www.parrinst.
