3
These basic installation and operating instructions contain the minimum of information that is needed to install,
operate and maintain the DMB dosing pump. For more or advanced information, please contact Grundfos
Alldos.
Prior to installation, read these installation and operating instructions. Installation and operation must comply
with local regulations and accepted codes of good practice.
1. General information
1.1 Applications
The DMB pump is to be used strictly in accordance with the instructions in this manual.
Warning Other applications or the operation of pumps in ambient and operating conditions, which are not
approved, are considered improper and are not permitted. Grundfos Alldos accepts no liability for any damage
resulting from incorrect use.
In the event of questions regarding the material resistance and suitability of the pump for specific dosing media,
please contact Grundfos Alldos.
1.2 Service documentation
If you have any questions, please contact the nearest Grundfos Alldos company or service workshop.
1.3 Operating conditions
1.3.1 Maximum inlet pressure
All DMB pumps: 0.2 bar
1.3.2 Minimum counter-pressure at the pump discharge valve
For all DMB pumps: 1 bar.
1.3.3 Maximum suction lift* (continuous operation) for media with a viscosity similar to water
All DMB pumps: 6 m
* Dosing head and valves moistened.
1.3.4 Sound pressure level
45 dB(A), testing according to DIN 45635-01-KL3.
1.3.5 Enclosure class
l Pump with mains plug: IP 65.
l Pumps with electronics: The enclosure class is only met if the sockets are protected! The data regarding the enclosure class
applies to pumps with correctly inserted plugs or screwed-on caps.
1.3.6 Required energy
Power supply for AC voltage
l Rated voltage: 110 / 115 V or 230 / 240 V. Deviation from the rated value: ± 10 %.
l Mains frequency: 50/60 Hz.
l Maximum input power: 22 W.
1.3.7 Ambient and operating conditions
l Permissible ambient temperature: 0 °C to +40 °C.
l Permissible storage temperature: –10 °C to +50 °C.
l Permissible air humidity: max. relative humidity: 92 % (non-condensing).
Warning The DMB is NOT approved for operation in potentially explosive areas!
The installation site must be under cover! Ensure that the enclosure class of motor and pump is not affected by
the atmospheric conditions. Pumps with electronics are only suitable for indoor use! Do not install outdoors!
1.3.8 Dosing medium
The dosing medium must have the following basic characteristics:
l liquid
l non-abrasive
l non-inflammable.
1.3.9 Permissible media temperature
Min. media temperature: 0゜C
Max. media temperature: 40゜C
Warning Observe the chemical manufacturer's safety instructions when handling chemicals!
The dosing medium must be in liquid form!
Observe the freezing and boiling points of the dosing medium!
To Next Page
Loading...
Need help?
General
