1.9 Permissible operating conditions
The plate heat exchanger is only intended for heating and cooling drinking and bathing water.
The heat exchanger must not be used for exchanging heat between two hazardous fluids (as per
the Pressure Equipment Directive 2014/68/EU, Article 4, fluid group 1) in accordance with the express
instructions in this manual and/or in the technical data and in strict compliance with all regulations.
The maximum and minimum temperatures and the maximum pressure indicated on the appliance
rating plate must not be exceeded under any circumstances.
Any other use or use that goes beyond this is considered improper use.
The manufacturer, BEHNCKE GmbH, is not liable for any damage resulting from this.
Other uses are only possible following consultation with and approval from the manufacturer.
Proper use also includes:
The maximum permissible operating pressure must not be exceeded:
Primary side/heating side
Secondary side/pool water side
1.9.1 Permissible water values
Water in swimming/bathing pools or swimming/bathing ponds must not exceed or fall short of the
following values.
Heat exchanger PWT 510 / PWT 910 / Important basic information
max.
6 bar
max.
6 bar
Chloride
Free chlorine content
pH value
Iron
Copper
Salt content
Temperature
Langelier index
max. 500 mg/l
max. 1.3 mg/l
min. 6.8
max. 7.6
max. 0.1 mg/l
max. 0.2 mg/l
max. 0.05%
max. 50°C
-0.3 – +0.3
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