Unauthorised Modification And Manufacture Of Spare Parts; Improper Operating Methods; Safety Of The System In The Event Of A Failure In The Dosing System; Technical Data - Grundfos DMH 28X Notice D'installation Et De Fonctionnement

2.7 Unauthorised modification and manufacture of
spare parts
Modification or changes to the pump are only permitted following
agreement with the manufacturer. Original spare parts and
accessories authorised by the manufacturer are safe to use.
Using other parts can result in liability for any resulting
consequences.

2.8 Improper operating methods

The operational safety of the supplied pump is only ensured if it is
used in accordance with section
limit values must under no circumstances be exceeded.
Explosion-proof pumps are identified from the pump
and motor nameplates. An EC declaration of
conformity is provided in accordance with the EC
Note
directive 2014/34/EU, the so-called ATEX directive.
This declaration of conformity replaces the
declaration of conformity in this manual.
Warning
To operate a pump which has been identified as an
explosion-proof pump for the dosing of inflammable
media or for operation in potentially explosive operating
sites in accordance with the EC directive 2014/34/EU,
refer to the enclosed manual "ATEX-approved pumps"
in addition to this manual.
If the assumption is made that a safe operation is no longer possible,
switch off the pump and protect it against unintentional operation.
This action should be taken
• if the pump has been damaged.
• if the pump no longer seems to be operational.
• if the pump has been stored for an extended period of time in
poor conditions.
2.9 Safety of the system in the event of a failure in the
dosing system
DMH 28X dosing pumps are designed according to the latest
technologies and are carefully manufactured and tested.
However, a failure may occur in the dosing system. Systems in
which dosing pumps are installed must be designed in such a
way that the safety of the entire system is still ensured following a
failure of the dosing pump. Provide the relevant monitoring and
control functions for this.
6
3. Technical data. The specified

3. Technical data

3.1 Identification

1
DMH 1150-10 B-PP/E/G-X-E1B7B7X
96293649 Type: DMH 257
S/N:00458725
3
1150.00 L/h, 10.00 bar, 50 Hz
230/400V 50/60Hz 440/480V 60 Hz
4
96293649P11072200458725
6
7
Made in Germany
Fig. 1 DMH nameplate
Pos. Description
1 Type designation
2 Model
3 Maximum capacity [l/h]
4 Voltage [V]
5 Frequency [Hz]
6 Product number
7 Country of origin
8 Year and week code
9 Marks of approval, CE mark, etc.
10 Maximum pressure [bar]
11 Serial number
2
11
10
5
9
8