Circulation Connection; Flange Insertion Opening - Austria Email HR 200 Notice D'utilisation Et De Montage

The safety valve must be set to a response pressure which is less than the rated pressure of the tank. Before finally connec-
ting the tank, flush the cold water line.
After making the water connection and air-bubble free filling of the tank, check the fitting for proper function.
When lifting or turning (venting) the safety valve test button, the water must flow out freely and without backing up through
the expansion water outlet funnel.
To check the return valve, the shut-off valve must be closed and no water may flow out from the opened test valve. The
safety valve must be checked according to DIN 1988-8 or ÖNORM B 2531-1.
The water heater is operated using the hot water valve on the service water fitting. This means the tank is under continuous
line pressure. To protect the internal boiler against overpressure when heating up, the expansion water created is dispersed
through the safety valve every time it is heated. The return valve prevents hot water from flowing back into the cold water line
when there is a pressure drop and thus protects the boiler from heating when no water is present.
The shut-off valve can be used to isolate the tank on the water side and thereby eliminate the pressure from the cold water
supply, also allowing use of the waste valve when necessary.

6. cIrculatIon connectIon

Due to significant energy loss, a circulation connection should be avoided when possible. If a highly branched service
water network requires a circulation line, this must be well insulated and the circulation pump controlled via a timer and
thermostat. The switching temperature of the thermostat should be kept low (45°C). The circulation connection piece has
an external thread.

7. flange InsertIon openIng

Depending on the system design, electric built-in heaters or heat exchangers can be installed on the boiler flange Ø240
mm (clear diameter Ø173 mm, hole circle Ø210 mm, 12 x M12) and Ø180 (clear diameter Ø117 mm, hole circle Ø150
GB
mm, 8 x M12).
Built-in electric heating elements are to be installed so that the thermostat probe is at the top.
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Id.Nr.: 241525-0 DE - GB - F