Water/water heat exchanger – QWT, WTI, SWT, SWT-T
01.07.2015
14
Setup/installation
3.3 Setup
Set up the heat exchanger indoors in frost-proof, dry rooms with a non-aggressive atmosphere
only. Dripping water may damage the heat exchanger.
Make sure access for assembly and disassembly is guaranteed.
The heat exchanger can be installed above or below the water level.
The following water values must be observed for the heat exchanger.
QWT, SWT WTI. SWT-T
Chloride content max. 500 mg/l max. 3000 mg/l
Free chlorine max. 1.3 mg/l unlimited
pH value 6.5 to 8.2 6.5 to 8.2
Salt content - max. 3.5 %
Max. water pressure, primary 1000 kPa (10 bar)
Max. water pressure, secondary 300 kPa (3 bar)
IMPORTANT!
When operating the heating circuit, the running empty of the heat exchanger on
the pool water side must be prevented.