Bitzer CSH7573-90 User Manual

SB-170-10
Halbhermetische Kompaktschraubenverdichter
Originalbetriebsanleitung
Deutsch .................................................................................................................................................... 2
Semi-hermetic compact screw compressors
Translation of the original Operating Instructions
English...................................................................................................................................................... 41
Compresseurs à vis compacts hermétiques accessibles
Traduction des instructions de service d'origine
Français.................................................................................................................................................... 80
CSH6553..CSH6593
CSH7553 .. CSH7593
CSH8553 .. CSH8593
CSH9553 .. CSH95113
CSH10563 .. CSH10573
CSH7673 .. CSH7693
CSH8673 .. CSH8693
CSH9663 .. CSH96113
CSK6153 .. CSK6163
CSK7153 .. CSK7193
CSW6583 .. CSW6593
CSW7573 .. CSW7593
CSW8573 .. CSW8593
CSW9563 .. CSW95113
CSW10563 .. CSW10593
Dokument für Monteure
Document for installers
Document pour des monteurs

Bitzer CSH7573-90 Specifications

General

Brand	Bitzer
Model	CSH7573-90
Category	Air Compressor
Language	English

Summary

2 Safety

2.1 Authorized staff

Specifies requirements for personnel performing work on compressors.

2.2 Residual risks

Outlines unavoidable risks associated with the compressor.

2.3 Safety references

Provides instructions to prevent hazards and must be strictly observed.

2.3.1 General safety references

General safety instructions to prevent hazards and must be strictly observed.

3 Application ranges

3.2 Use of flammable refrigerants of the A2L safety group (e.g. R1234yf)

Details requirements for using flammable refrigerants, focusing on safety.

3.2.1 Compressor and refrigeration system requirements

Specifies requirements for compressors and systems using flammable refrigerants.

3.2.2 General operation requirements

Outlines general operational guidelines for systems with flammable refrigerants.

4 Commissioning

4.1 Checking pressure strength

Procedure for checking the pressure strength of the refrigerant circuit.

4.2 Checking tightness

Method for checking the tightness of the refrigerant circuit.

4.3 Evacuation

4.4 Charging refrigerant

Guidelines for safely charging the system with refrigerant.

4.5 Checks prior to compressor start

Pre-start checks to ensure safe and proper compressor operation.

4.6 Compressor start

Detailed steps for safely starting the compressor.

4.6.1 Checking the rotation direction

Procedure to verify the correct rotation direction of the compressor motor.

4.6.2 Lubrication/oil level monitoring

Steps for monitoring oil level and lubrication after compressor start.

4.6.3 Set high pressure and low pressure switches (HP + LP)

Configuration of high and low-pressure safety switches.

4.6.4 Set the condenser pressure

Procedure for setting the condenser pressure for optimal operation.

4.6.5 Vibrations and frequencies

4.6.6 Checking the operating data

4.6.7 Particular notes on safe compressor and system operation

Important considerations for safe compressor and system operation.

5 Mounting

5.1 Transporting the compressor

5.2 Installing the compressor

Guidelines for the correct installation of the compressor.

5.2.1 Arranging for removal clearances

5.2.3 Vibration dampers

5.3 Connecting the pipelines

Instructions for connecting pipelines to the compressor.

5.3.1 Pipe connections

5.3.2 Shut-off valves

5.3.3 Pipelines

5.4 Oil connection

5.5 Capacity control (CR) and start unloading (SU)

Explanation of capacity control and start unloading functions.

5.5.1 Solenoid valves and control sequences

Explains solenoid valve operation for capacity control.

5.6 Connections and dimensional drawings

CSH6553.. CSH95113, CSK6153 .. CSK7193

Connection positions

6 Electrical connection

6.1 Checklist

Checklist for performing electrical connection of compressors.

6.2 Dimensioning components

6.3 Motor versions

6.3.1 Part winding motor or "PW"

Details on part winding motor connections and starting methods.

6.3.2 Star-delta motor "Υ/Δ"

Details on star-delta motor connections and starting methods.

6.3.3 Operation with frequency inverter (FI) or soft starter

Guidance on operating compressors with frequency inverters or soft starters.

6.5 Terminal box

6.5.5 Sealing the terminal box

6.5.6 Preparing the terminal box for Fl operation

6.6 Safety switching devices for limiting the pressure (high pressure switch and low pressure switch)

6.7 Compressor protection devices

6.7.1 Temperature control circuit

6.7.2 Monitoring of rotation direction, phase sequence and phase failure

Monitoring functions for rotation, phase sequence, and failure.

6.7.3 SE-E1

Details on the SE-E1 compressor protection device.

6.7.4 CM-SW-01

Information on the CM-SW-01 compressor module.

6.7.5 SE-i1

Details on the SE-i1 protection device for FI/soft starter.

6.7.6 SE-E3

6.8 Monitoring of the oil circuit

6.8.1 Opto-electronic oil level monitoring OLC-D1-S

8 Maintenance

8.1 Oil change

Procedures and precautions for changing compressor oil.

8.2 Replace oil filter (CSW105)

10 Mind when mounting or replacing

Before mounting

10.1 Screwed connections

10.3 Electrical contacts