Atlas Copco LE20 User Manual

Instruction book
Atlas Copco Stationary Air Compressors
LE2, -3, -5, -7, -10, -15, -20
LT2, -3, -5, -7, -10 (50 Hz)
LT15/60, -15-30, -15, -20, -20-30
LF2, -3, -5, -7, -10
Instruction book
Copyright 2004, Atlas Copco Airpower n.v., Antwerp, Belgium.
Any unauthorized use or copying of the contents or any part thereof is prohibited. This applies in
particular to trademarks, model denominations, part numbers and drawings.
This instruction book meets the requirements for instructions specified by the machinery directive
98/37/EC and is valid for CE as well as non-CE labelled machines.
No. 2920 1585 00
Registration code: APC L / 38 / 985
2004-07
2920 1585 00 - 1 -

Atlas Copco LE20 Specifications

General

Noise Level	72 dB(A)
Maximum Pressure	10 bar
Motor Power	2.2 kW (3 hp)
Voltage	230V/400V
Working Pressure	8 bar
Power	2.2 kW (3 hp)

Summary

1 Leading particulars

1.3 Regulating system

Explanation of the regulating systems used for compressor pressure control.

2 Installation and handling

2.2 Installation proposals

Recommendations and diagrams for installing compressor units in suitable environments.

2.3 Electrical connections

Guidance on making electrical connections, including diagrams and safety requirements.

3 Operating instructions

3.1 Initial start-up

Procedures for initial setup and checks before starting the compressor for the first time.

3.2 Starting

Step-by-step instructions for starting different types of Atlas Copco compressors.

3.3 Stopping

Procedures for safely stopping the compressor and its associated equipment.

4 Maintenance

4.2 Preventive maintenance schedule of the compressor

Schedule outlining regular maintenance tasks and intervals for compressor upkeep.

5 Servicing and adjustment procedures

5.4 Adjustment of MDR4S pressure switch

Guide for adjusting the MDR4S pressure switch for stopping and starting pressures.

5.5 Adjustment of MDR3 pressure switch

Guide for adjusting the MDR3 pressure switch for stopping and starting pressures.

5.7 Safety valve

Procedure for testing the safety valve to ensure proper operation.

6 Problem solving

7 Principal data

SAFETY PRECAUTIONS

Installation

Guidelines for safely lifting, positioning, and connecting air compressors and dryers.

Operation

Safety rules for operating air compressors, including air quality and pressure limits.

Maintenance

Procedures and precautions for safe maintenance and repair of compressors.