REC 3838 VII
PREFACE
This manual contains information necessary to install, operate, and service the Thermo AC-
4000 Electronics (see Figure 1-1).
All persons concerned with the operation and servicing of the electronics should read the
contents of this manual carefully and thoroughly. Keep this manual in a convenient place and
refer to it often, as it is an important tool in performing proper service.
Information in this manual is presented as follows:
Chapter 1.0, INTRODUCTION, presents a brief description of the electronics' capabilities,
operation, features, options specifications and warranty.
Chapter 2.0, INSTALLATION, outlines site preparation operating requirements, and installation
instructions.
Chapter 3.0, OPERATION, explains the operating controls and procedures.
Chapter 4.0, MAINTENANCE, includes troubleshooting, electronic checkout, and maintenance
procedures.
Chapter 5.0, REPLACEMENT PARTS, provides ordering information and replaceable parts list.
Chapter 6.0, OPTIONS, contains information about optional equipment.
The APPENDIX contains assembly, installation, and wiring drawings.
IMPORTANT
Do not turn the equipment on or attempt to operate the electronics until you have read and
understood Chapter's 2.0 and 3.0. Improper operation of the electronics may result in damage
to the machine.