4877
Valve Controller
Operating Instruction Manual
598M
Valve Controllers
Preface
Related Instructions — 2
Scope — 2
Applications — 2
Explanation of Symbols — 3
Safety Information — 3
Intended Usage — 3
Unpack Carefully — 3
Cleaning & Maintenance — 4
Provisions for Lifting and Carrying — 4
General Specifi cations — 4
Electrical Ratings— 4
Environmental Conditions— 4
Installation
General Instructions — 5
Main power switch — 5
Air Supply — 6
Reactor Outlet — 6
Protective Fuses — 6
Fuses— 6
Parts List
Fuses — 7
Control Cables — 7
Mains Supply Cords — 7
Valve Control Connections — 7
Air Supply Connections — 7
Preface
Related Instructions
The following Parr publications are also included to
further your understanding of this instrument and
its component parts:
No. Description
201M Limited Warranty
535M 4871 Supplemental Instructions
Scope
These instructions cover the installation and
operation of Parr model 4877 Valve Controller as
used with Parr Laboratory Reactors and Pressure
Vessels. 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.
Applications
These units are designed specifi cally for use with
Parr reactors and pressure vessels and are to be
used only with Parr equipment.
Figures
Valve Controller Front Panel — 5
Valve Controller Back Panel— 6
Questions concerning the installation or operation of this instrument
can be answered by the Parr Customer Service Department:
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Parr Instrument Company
Customer Service
1-309-762-7716 • 1-800-872-7720 • Fax: 1-309-762-9453
E-mail: parr@parrinst.com • http://www.parrinst.com
Explanation of Symbols
I On position
O Off Position
~ Alternating Current (AC)
Valve Controllers
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 protec-
tive earth (green or green/yellow) supply system conductor.
Safety Information
To avoid electrical shock, always:
1. Use a properly grounded electrical outlet of
correct voltage and current handling capability.
2. Ensure that the equipment is connected to
electrical service according to local national
electrical codes. Failure to properly connect may
create a fi re or shock hazard.
3. For continued protection against possible
hazard, replace fuses with same type and rating
of fuse.
4. Disconnect from the power supply before
maintenance or servicing.
To avoid personal injury:
1. Do not use in the presence of fl ammable or
combustible materials; fi re or explosion may
result. This device contains components which
may ignite such material.
2. Refer servicing to qualifi ed personnel.
Intended Usage
This controller has been designed for use with Parr
Pressure Vessels and Reactors. It has been designed, built, and tested to strict physical and electrical standards. However, it is the user’s responsibility to install and operate it in conformance with local
pressure and electrical codes.
If the instrument is used in a manner not specifi ed
by Parr Instrument Company, the protection provided by the equipment may be impaired.
Establish training procedures to ensure that any
person handling the equipment knows how to use it
properly.
Unpack Carefully
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. Examine the components closely for
any loose parts or shipping damage and be sure to
check all layers of packing materials thoroughly so
as not to overlook any parts which might otherwise
be discarded.
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