Parr Instrument 4875 User Manual
NO. 567M
Parr Instrument Company
4875
Power Controller
Operating Instruction Manual
4875 Power Controller
Pr e f a c e
Related Instructions — 4
Scope — 4
Applications — 4
Explanation of Symbols — 5
Safety Information — 5
Intended Usage — 5
Cleaning & Maintenance — 5
General Specifications — 6
Environmental Conditions — 6
Users Responsibility — 7
Unpack Carefully — 7
In s t a l l a t I o n
General Instructions — 8
4875 Connections — 8
Switches and Indicators — 9
4875 Fuses and Breakers — 10
www.parrinst.com
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4875 Power Controller
Pr e f a c e
re l a t e d In s t r u c t I o n s
The following Parr publications are also included to
further your understanding of this instrument and its
component parts:
No. Description
201M Limited Warranty
sc o P e
These instructions cover the installation and operation
of Parr Model 4875 Power Controller as used with Parr
Laboratory Reactors and Pressure Vessels. They cover
the basic functions provided in each of these controllers.
The users should study the instructions carefully before
using any of these controllers so that they will fully
understand the capabilities of this equipment and the
safety precautions to be observed in its operation.
aP P l I c a t I o n s
Each Series 4875 Power Controller consists of a power
controller completely wired and assembled with appropriate power and safety relays, switches and pilot lights.
These units are designed specifically for use with Parr
reactors and pressure vessels and are to be used only
with Parr equipment.
Controllers furnished with Parr reactors equipped with
variable speed DC motors have a motor switch and a
speed control knob on the front panel of the power controller. Controllers to be used with AC equipment or an
air motor do not have a speed control knob.
Customer Service:
Questions concerning the installation or operation of this instrument
can be answered by the Parr Customer Service Department:
1-309-762-7716 • 1-800-872-7720 • Fax: 1-309-762-9453
E-mail: parr@parrinst.com • http://www.parrinst.com
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Parr Instrument Company
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