Modifying the domestic hot water set point, Temperature, Installation shutdown – DE DIETRICH TWINEO EGC 25 User Manual

Page 20: Antifreeze protection, 4 installation shutdown, 5 antifreeze protection

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1. Press the r key 1 times.
2. The symbol r and the current temperature are displayed (the

temperature flashes, e.g. 60°C).

3. Change the value by pressing the [-] or [+] key. In this example

using key [-] to 55°C.

4. To confirm, press the S key.

4.3.6.

Modifying the domestic hot water set point
temperature

To modify the set point of the solar tank (if connected), proceed as

follows
1. Press the r key for 3 seconds.
2. Symbols r and S; and the current temperature are displayed

(for example, S; and the temperature 60°C flash).

3. Change the value by pressing the [-] or [+] key. In this example

using key [-] to 55°C.

4. To confirm, press the S key.

4.4

Installation shutdown

CAUTION

Do not switch off the boiler.

If the central heating system is not used for a long period, we

recommend proceeeding as follows:

4

Press key d until OFF is displayed.

4

Press key r until OFF is displayed.

4.5

Antifreeze protection

When the heating water temperature in the boiler is too low, the

integrated boiler protection system starts up. This protection functions

as follows:

4

If the water temperature is lower than 7°C, the heating pump starts

up.

4

If the water temperature is lower than 4°C, the boiler starts up.

4

If the water temperature is higher than 10°C, the boiler shuts down

and the circulation pump continues to run for a short time.

4

If the water temperature in the storage tank is less than 4°C, it is

reheated to its set point.

C003053-A

1x

C003912-A

1x

1x

4. Operating the appliance

EGC 25

19

03/12/2013 - 300026082-001-02

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