Parr Instrument Valve Controller User Manual
Page 2

Valve Controllers
P a r r I n s t r u m e n t C o m p a n y
2
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.
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: [email protected] • http://www.parrinst.com
Figures
Valve Controller Front Panel — 5
Valve Controller Back Panel— 6