Drazice TO 1 IN, Руководство по эксплуатации и установке

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EN
Open (flow) system Closed (pressure) system
The “above - supply - point” version The “above - supply - point” version
The “below - supply - point” version The “below - supply - point” version
Explanation:
1 – Safety valve 6 – Test adaptor
2 – Back pressure valve 7.7a – Flow combination faucet
3 – Test valve 8 – Funnel with connector to drain from the safety valve
4 – Reduction valve H – Cold water
5 – Shut - off valve T - Hot water
Safety valve is mounted on the cold water inlet identified with a blue ring. Each hot service water
pressure heater must have a safety valve with a membrane spring. Nominal clearance of safety
valves is defined in the ČSN 0 60830 standard. The safety valve must be well accessible, as near to
the heater as possible. The input pipes must have at least the same clearance as the safety valve.
The safety valve is placed high enough to secure dripping water drain by gravity. We recommend
mounting the safety valve onto a branch pipe. This allows easier exchange without having to drain
the water from the heater. Safety valves with fixed pressure settings from the manufacturer are
used for the assembly. Starting pressure of a safety valve must be identical to the maximum
allowed heater pressure, and at least 20% higher than the maximum pressure in the water main. If
the water main pressure exceeds such value, a reduction valve must be added to the system.
No stop valves can be put between the heater and the safety valve.
During the assembly, follow the guide provided by the safety equipment manufacturer. It is
necessary to check the safety valve each time before putting it into operation. It is checked by
manual moving of the membrane from the seat, turning the make - and - break device button always
in the direction of the arrow. After being turned, the button must click back into a notch. Proper