Marketing Bulletin

Company: Copeland

Bulletin Details

NO: ECT1TH3820
DATE: 2020/6/18
TO: All Refrigeration Customers
FROM: Copeland, MEA
SUBJECT: Sound Jacket for Copeland Refrigeration Scroll Compressor
EFFECTIVE DATE: Immediate

Product Overview

Copeland has developed a new sound jacket specifically designed for noise-sensitive applications. This jacket is intended to be factory-mounted by equipment manufacturers or easily installed on-site.

The sound jacket is compatible with Copeland Scroll refrigeration compressors ranging from 7 to 30 HP, including the "Summit" and "Large Refrigeration Scroll" series. It offers an overall sound attenuation of 6 to 8 dB(A), positioning Copeland Scroll compressors as a leading low-noise solution in the market.

Package Contents

The sound jacket is supplied in one carton box and includes three components:

Shell Cover
Top Cap Cover
Terminal Box Cover

Visual Description of Components

The product packaging contains three distinct parts for covering a Copeland Scroll refrigeration compressor:

Shell Cover: A large, flexible, dark-colored cover designed to encase the main body of the compressor. It appears to have fastening points or straps for secure attachment.
Top Cap Cover: A circular, rigid component designed to fit over the top of the compressor, likely covering the electrical connections or motor housing.
Terminal Box Cover: A shaped cover, possibly made of a flexible material, designed to fit over the compressor's terminal box, providing acoustic insulation.

Visual Description: Compressor with Sound Jacket

An illustration depicts a Copeland Scroll compressor unit. Next to it, the same compressor is shown fitted with the sound jacket. An arrow indicates the process of applying the sound jacket to the compressor, showing how the components (shell, top cap, terminal box covers) are integrated to form a complete acoustic enclosure around the compressor unit.

Sound Performance Data

The document includes charts illustrating sound power levels with and without the sound jacket for different compressor models and operating conditions.

ZB88 Medium Temp Scroll Example

This section presents a bar chart comparing sound power levels in decibels (dB(A)) against frequency bands (in Hertz, Hz) from 100 Hz to 10 kHz, plus a 'Total' category. For each frequency band, two bars are shown: one representing the sound power level without the sound jacket (typically higher) and one representing the sound power level with the sound jacket (typically lower). The chart demonstrates a significant reduction in sound power across most tested frequencies when the sound jacket is applied.

ZFI68 Low Temp Scroll Example

Similar to the ZB88 example, this section features a bar chart displaying sound power levels (dB(A)) versus frequency bands (Hz). It compares performance with and without the sound jacket for a ZFI68 low-temperature scroll compressor. The data visually confirms the effectiveness of the sound jacket in reducing noise emissions across the tested frequency spectrum.

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