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Contents
Operating manual mzr-2521 and mzr-2921
Last update: June 2019
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Contents
1
General information
1
1.1
Application scope of the pumps
1
1.2
Product information
1
1.3
Measurements
3
1.4
Flow charts
4
1.5
Technical data of the micro annular gear pump mzr-
2521 and mzr-2921
5
1.6
Technical data of the drive
6
2
Safety instructions
8
2.1
Safety symbols in this operating manual
8
2.2
Staff qualification and training
8
2.3
Safety-conscious work
8
2.4
Safety instructions for the operator
9
2.5
Safety instructions for maintenance, check and
assembly of the pump
9
2.6
Unauthorized pump conversions and spare part
manufacture
9
2.7
Improper modes of operation
10
2.8
General safety instructions
10
3
Transport and intermediate storage
11
3.1
Shipment of the pumps and protection measures
11
3.2
Transport
11
3.3
Intermediate storage
11
4
Description of the micro annular gear pump
12
4.1
Operating principle of the micro annular gear pump
12
4.2
Construction
14
4.3
Construction materials
14
4.4
Liquid supply
15
5
Optional modules
18
5.1
Gear box module (optional)
19
5.2
By-pass module (optional)
20
5.3
Drive without encoder (optional)
22
5.4
Drive with a high resolution encoder (optional)
23
5.5
Stepper motor drive (optional)
24
5.6
Brushless DC motor as drive (option)
25
6
System integration
27
6.1
Checkup before the first assembly
27
6.2
Mounting of the micro annular gear pump
27
6.3
General instructions for the assembly of the liquid
supply network
28
6.3.1
Assembly of the fluid connection fittings
28