Table Of Contents; Symbols Used In This Document; Operating Pumps In Potentially Explosive Atmospheres; Device Designs - Grundfos DMH 28 Series Installation And Operating Instructions, Supplement
Atex-approved pumps
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English (GB) Installation and operating instructions
Original installation and operating instructions.
CONTENTS
1.
2.
3.
4.
5.
6.
7.
pump
8.
9.
Warning
In addition to these instructions, observe the
general installation and operating instructions
supplied with the pump.
1. Symbols used in this document
Warning
If these safety instructions are not observed,
it may result in personal injury.
If these safety instructions are not observed,
Caution
it may result in malfunction or damage to the
equipment.
Notes or instructions that make the job easier
Note
and ensure safe operation.
2. Operating pumps in potentially explosive
atmospheres
This manual describes additional conditions or special
considerations affecting the operation of pumps in potentially
explosive atmospheres.
This manual is only valid together with the
Caution
installation and operating instructions for the
pump. Both documents should be used.
Installation, maintenance and repairs must only
Caution
be carried out by suitably qualified and
authorised personnel.
3. Device designs
The motor and accessories for the pumps, e.g.
the metrology-based monitoring, must at
Caution
Page
minimum meet the requirements of
5
Directive 94/9/EC as applicable to pumps.
The original configuration of the pump must not
5
Caution
be modified.
5
5
3.1 Identification
5
7
7
7
7
7
7
7
8
8
8
8
Fig. 1
Example of ATEX nameplate
9
9
Pos.
Description
9
1
Type designation
9
9
2
Model
9
3
Maximum capacity [l/h]
6
Product number
8
Year and week code
10
Maximum pressure [bar]
11
Serial number
12
ATEX designation
13
Manufacturer
3.2 Pump configuration
Grundfos produces pumps in accordance with Directive 94/9/EC.
These pumps correspond to the specifications in the table below.
Pumps which are not configured in accordance
Caution
with the table cannot be used in potentially
explosive atmospheres.
Permissible pump configuration
Feature
Front plate
Electronics
3.2.1 Diaphragm leakage detection
DMH pumps meeting the requirements of Directive 94/9/EC can
optionally be fitted with an approved diaphragm leakage detection
with an Ex i pressure gauge meeting the requirements of
Directive 94/9/EC.
Pumps with other types of diaphragm leakage
Caution
detection cannot be used in potentially explosive
atmospheres.
Description
Metallic
No electronics
5
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