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Bitzer OS.85 series

Bitzer OS.85 series
108 pages
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ST-410-2
SH-510-1
APPLICATIONS MANUAL
PROJEKTIERUNGS-HANDBUCH
MANUEL DE MISE EN ŒUVRE
OS.85
OPEN DRIVE SCREW COMPRESSORS
OFFENE SCHRAUBENVERDICHTER
COMPRESSEURS À VIS OUVERTS

Table of Contents

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Bitzer OS.85 series Specifications

General IconGeneral
BrandBitzer
ModelOS.85 series
CategoryAir Compressor
LanguageEnglish

Summary

Applications Manual

1 The special highlights

Integrated oil management system

Features automatic oil stop valve, oil filter, and oil monitoring.

2 Design and functions

Design features

Details the two-shaft rotary displacement design with high-efficiency profile geometry.

Compression process Vi-Control

Explains the co-current compression process and internal volume ratio (Vi).

Capacity control and start unloading

Describes dual capacity control (slider system) and automatic start unloading.

Oil circulation

Explains the integrated oil management system and oil supply.

3 Lubricants

Table of lubricants for HFC and R22

Provides a table of lubricants with viscosity, refrigerant compatibility, and temperature data.

Table of lubricants for NH3

Lists lubricants suitable for NH3 systems, including important instructions.

4 Integration into the refrigeration circuit

Safe operation of compressor and system

Offers advice on safe operation, including expansion valve function and general precautions.

Start unloading

Details methods for reducing starting torque and ensuring safe startup.

Capacity control

Outlines methods for capacity control, including integrated, frequency inverter, and parallel compounding.

Economiser operation (ECO)

Explains ECO operation for improved cooling capacity and efficiency.

5 Electrical connection

Protection devices

Details the SE-B2 protection devices and their monitoring functions.

8 Application limits

9 Performance data

11 Accessories

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