Pfeiffer Vacuum A 1504H User Manual

OPERATING INSTRUCTIONS
EN
Translation of the original instructions
A4 SERIES
Multi-stage Roots pump for harsh applications

Pfeiffer Vacuum A 1504H Specifications

General

Brand	Pfeiffer Vacuum
Model	A 1504H
Category	Water Pump
Language	English

Summary

Safety

2.1 Safety precautions

General safety rules for installation, use, and maintenance.

2.2 Safety for flammable/pyrophoric materials

Risks and precautions related to flammable or pyrophoric gases.

Transport and storage

3.1 Transport

Procedures and safety warnings for moving and transporting the pump.

Product description

4.2 Man/machine interfaces

Description of the front panel controls and indicators.

Hand-held remote module (HHR)

Installation

5.1 Set-up

Steps for positioning and leveling the pump for operation.

5.2 Oil filling

Procedure for filling the pump with oil, including safety precautions.

Leak test

5.8 Electrical connection

Requirements for circuit breakers and electrical installation safety.

Electrical connection

5.8.1 Customer electrical installation protection

Requirements for circuit breakers and electrical installation safety.

5.8.2 Connection to the mains power supply

Operating for the first time

5.9.1 Switch on

5.9.2 Check of the rotation's direction at initial start-up

Procedure to verify correct motor rotation direction upon first use.

Operation

6.1 Prerequisites to use

6.2 Pump start-up

Step-by-step guide to starting the pump.

Control interfaces

8.1 Different control modes

8.2 HHR control

HHR control

Remote control J1 connector

8.3.1 Description

Remote control J3 connector

8.4.1 Description

Command of an inlet isolation valve via J4 connector

8.5.1 Description

Remote control J5 connector

8.6.1 Description

Emergency stop connector

8.7.1 Description

Maintenance

9.1 Safety and maintenance information

General safety warnings and liability exclusion for maintenance work.

Risk due to pumping conditions

Dangers from process residues during pump disconnection.

Safety and maintenance information

Electric shock hazard in case of contact

Safety warnings regarding electrical hazards during maintenance.

Freeing up the FB

Risk of damage to the pump

Standard repair exchange

9.5.1 Disconnecting the pump from the installation

Step-by-step procedure for safely disconnecting the pump.

Decommissioning

10.1 Shutting down for longer periods

Malfunctions

11.1 What happens in the event of a defect

How the user is informed about pump malfunctions.

11.1.1 Meaning of light indicators

Pump or Roots does not start

11.2.1 The white indicator light Power does not switch on

Troubleshooting for when the power indicator light is off.

11.3 The pump is running and HHR is showing a fault message

The pump is running but the performance is not correct

Bad vacuum or no vacuum

Troubleshooting steps for poor vacuum performance.

Service

Overhaul and repair at the Pfeiffer Vacuum Service Center

Technical data and dimensions

14.1 Technical data

Specifications for pumping speed, pressure, voltage, and current.