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3 2008SSD-34 (5/08)
Dual-Compressor Module Introduction
1.0 INTRODUCTION
The Copeland Scroll
®
SZO22 Compressor Module comes equipped with one Copeland Scroll
®
Compressor designed for Class I, Division II applications. The Compressor Module is designed for
assembly into a Compressor Package ready for service in the fi eld; the completed housing is done by
equipment Packagers. This section provides an overview of these components.
These terms are used throughout this manual:
• Compressor Module - the SZO22 Compressor Module shown in Section 1.1
• Compressor - a Copeland Scroll
®
Compressor
• Compressor Package - the entire assembly, including the Compressor Module, ready for service in
the fi eld
• Packagers - the company that prepares the Compressor Module for service
• VFD - Variable Frequency Drive used to power a variable speed Compressor Module
1.1 The Compressor Module
The Compressor Module consists of one Compressor and the other components shown in Figure 1.
Figure 1 Compressor Module Components