such a situation.. Due to the temperatures of about 7-9 degrees Celsius in the boiler room where my stove is located, it is regularly automatically turned on for a few minutes. This is called anti-frost protection. As it only needs active heating for a few hours a day, it is a pity it would turn...

If the heater is stony, it will overheat at 80-90 degrees.

If there is no danger of freezing, you can supply voltage to the device along with a heating request via the room regulator or enter a clock to supply electricity.

Serwisszulborski.pl, thanks for the hint. I was thinking about such a solution ... only that after disconnecting the power supply by the room controller, which I have, the stove will not be able to run the cooling after the heating cycle. What do you think ? it is currently connected to the motherboard as intended by the manufacturer.

And what is this in the way? If they turn off the electricity, you have the same.

In wall-hung boilers with a copper heater, the pump overrun after heating is irrelevant. Even at the temperature of 80-90, the boiler should not be blocked as a result of overheating of the temperature limiter ... it is only important for boilers with a cast iron block.

I will try to leave the original run, even though I set the water temperature at

I am attaching photos from inside the furnace control board housing. Anyone know where the air temperature sensor is?

Frost protection is implemented on the command of the supply NTC sensor mounted on the supply pipe under the heater.

12B, it will be the flow temperature sensor No. 36 from the diagram below and marked in the photo with a red circle with an asterisk? Perhaps the removed furnace housing causes faster cooling of the liquid in the tubes near the NTC sensor and thus faster switching on after the heating cycle. initially this symptom matched the air temperature as a reference. will insulate / cover with some non-flammable material (rock wool?) this section .. and see if the time to switch on will change.

Hello. Does anyone know the details of the transformer, voltages, etc.? thanks Added after 1 [minutes]:Hello. Does anyone know the details of the transformer, voltages, etc.?thanks

JUNKERS Euroline ZW / ZS 23 KE - single-function boiler, frost protection

cynamonik 5802 11

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#1 16282684 16 Feb 2017 10:52

cynamonik cynamonik

Level 9

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Post #1
16282684 16 Feb 2017 10:52

such a situation..

Due to the temperatures of about 7-9 degrees Celsius in the boiler room where my stove is located, it is regularly automatically turned on for a few minutes. This is called anti-frost protection.

As it only needs active heating for a few hours a day, it is a pity it would turn on the rest of the time. It can also be turned on e.g. 1-2 hours after the heating cycle, after which it would seem that the temperature in the boiler room has increased.
The entire installation is in rooms where the temperature does not drop
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#2 16284706 17 Feb 2017 00:21

serwisszulborski.pl serwisszulborski.pl

Heating systems specialist

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Post #2
16284706 17 Feb 2017 00:21

If there is no danger of freezing, you can supply voltage to the device along with a heating request via the room regulator or enter a clock to supply electricity.
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#3 16286993 17 Feb 2017 22:55

cynamonik cynamonik

Level 9

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Post #3
16286993 17 Feb 2017 22:55

Serwisszulborski.pl,

thanks for the hint. I was thinking about such a solution ...
only that after disconnecting the power supply by the room controller, which I have, the stove will not be able to run the cooling after the heating cycle. What do you think ?

it is currently connected to the motherboard as intended by the manufacturer.
#4 16287134 18 Feb 2017 00:27

mirrzo mirrzo

Company Account
VIP Meritorious for electroda.pl

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Post #4
16287134 18 Feb 2017 00:27

cynamonik wrote:
... the stove will not be able to run a cooling run after the heating cycle ...

And what is this in the way? If "they" turn off the electricity, you have the same.
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#5 16289024 18 Feb 2017 21:12

serwisszulborski.pl serwisszulborski.pl

Heating systems specialist

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Post #5
16289024 18 Feb 2017 21:12

In wall-hung boilers with a copper heater, the pump overrun after heating is irrelevant. Even at the temperature of 80-90, the boiler should not be blocked as a result of overheating of the temperature limiter ... it is only important for boilers with a cast iron block.
Helpful post

#6 16289119 18 Feb 2017 21:48

serwo66 serwo66

Level 25

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Helpful post
Post #6
16289119 18 Feb 2017 21:48

If the heater is stony, it will overheat at 80-90 degrees.
#7 16292371 20 Feb 2017 00:07

cynamonik cynamonik

Level 9

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Post #7
16292371 20 Feb 2017 00:07

I will try to leave the original run, even though I set the water temperature at
#8 16346155 14 Mar 2017 21:43

cynamonik cynamonik

Level 9

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Post #8
16346155 14 Mar 2017 21:43

I am attaching photos from inside the furnace control board housing. Anyone know where the air temperature sensor is?
#9 16348001 15 Mar 2017 19:36

12B 12B

Level 21

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Post #9
16348001 15 Mar 2017 19:36

Frost protection is implemented on the "command" of the supply NTC sensor mounted on the supply pipe under the heater.
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#10 16348233 15 Mar 2017 20:49

cynamonik cynamonik

Level 9

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Post #10
16348233 15 Mar 2017 20:49

12B,
it will be the flow temperature sensor No. 36 from the diagram below and marked in the photo with a red circle with an asterisk?

Perhaps the removed furnace housing causes faster cooling of the liquid in the tubes near the NTC sensor and thus faster switching on after the heating cycle. initially this symptom matched the air temperature as a reference.

will insulate / cover with some non-flammable material (rock wool?) this section .. and see if the time to switch on will change.
#11 16363360 22 Mar 2017 12:29

cynamonik cynamonik

Level 9

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Post #11
16363360 22 Mar 2017 12:29

it's like ?
#12 20084704 02 Jul 2022 11:19

dimitris voglis dimitris voglis

Level 1

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Post #12
20084704 02 Jul 2022 11:19

Hello. Does anyone know the details of the transformer, voltages, etc.?
thanks

Added after 1 [minutes]:

Hello. Does anyone know the details of the transformer, voltages, etc.?thanks
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Topic summary

The discussion revolves around the JUNKERS Euroline ZW / ZS 23 KE single-function boiler, specifically addressing its frost protection feature. Users express concerns about the boiler activating unnecessarily due to low temperatures (7-9 degrees Celsius) in the boiler room, despite only requiring heating for a few hours daily. Suggestions include supplying voltage to the device via a room regulator or using a timer to control operation. The importance of the flow temperature sensor in managing frost protection is highlighted, with discussions on potential modifications to improve efficiency, such as insulating the sensor area to reduce premature activation. Additionally, inquiries about transformer specifications are made.
Summary generated by the language model.