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1.2 Intended use
1.2.1 Proper use
These pump groups are generally used to provide heat/cold energy.
Pump groups may only be used for this purpose in compliance with the maintenance and operating
instructions and all relevant standards and regulations.
All instructions in the operating instructions must be followed and the maintenance plan adhered to.
Any deviation from the intended use may cause hazards and is fundamentally not permitted.
The components listed in the following instructions are intended for use in heating systems
according to DIN EN 12828. Operation with a contaminated energy source is prohibited – this
includes, among other things, foreign particles, substances that cause scaling and oxygen.
The power supply for the recirculation pumps is managed on demand by an external controller –
as is the control of the speed regulation. A backflow preventer, usually integrated within a ball valve
and manually adjustable, prevents the flow from travelling in the wrong direction.
1.2.2 Improper use
Improper use of the device of any kind may result in deviations from the specified performance data.
In particular, the following are not allowed:
•
The use of liquids/media other than water with the described properties
•
(this PG is not suitable for use as drinking water)
•
Use of the device without prior knowledge of the operating instructions
•
Use of the device without legible warning and information signs
•
Use of the device in a faulty condition
•
For cooling applications, operate in conjunction with heating circuit manifolds, except for special
cooling circuit manifolds
1.3 Application areas min./max. Flow line temperatures
Cooling operation: minimum flow line temperature
As long as the minimum flow line temperature is above the dew point temperature (cf. the following
diagram for determining the dew point), the MeiFlow Top S -X can be used without restrictions.
6
Manual MeiFlow Top Cooling
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