Connecting The Hydraulic Safety Devices - Froling S1 Turbo Installation Instructions Manual

Assembly

Connecting the hydraulic safety devices

4.8 Connecting the hydraulic safety devices
Installation Instructions S1 Turbo | M1470113_en
1 Thermal discharge safety device
▪ The thermal discharge safety device must be connected in accordance with
ÖNORM/DIN EN 303-5 and as shown in the diagram above.
▪ The discharge safety device must be connected to a pressurised mains water
supply in such a way that it cannot be shut off
▪ A pressure reducing valve (1.5) is required for a cold water pressure of 6 bar
minimum cold water pressure = 2 bar
1.1 Sensor of thermal discharge safety device
1.2 Thermal discharge safety device (opens at approx. 95 °C)
1.3 Cleaning valve (T-piece)
1.4 Dirt trap
1.5 Pressure reducing valve
2 Safety valve
▪ Safety valve as per prEN 1268-1 with a diameter of DN15
▪ The safety valve must be installed in an accessible place on the heat generator or
in direct proximity in the flow pipe in such a way that it cannot be shut off
3 Return temperature control with pump
4 Diaphragm expansion tank
▪ The diaphragm pressurised expansion tank must conform to EN 13831 and hold
at least the maximum expansion volume of the system's heated water including a
water seal
▪ Its size must comply with the design information in EN 12828 - Appendix D
▪ Ideally it should be installed in the return line. Follow the manufacturer's installa‐
tion instructions
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