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HowToDo Question : Why I run 'DHW priority' in my boiler ?

Waiting for a better solution Why I run 'DHW priority' in my boiler ?

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PostPosted: 30 Nov 2010 15:13 
BJ, I have a boiler fuel Zg Held (DHW + heating). On the control panel, I have a control setting of "Heating power" that has this function normally.

usual, the link between sanitary and heating occurs without manual intervention. Now for heating, I am compelled to turn the knob to the bottom (but I have no "health priority, so no hot water) and for hot water I have to turn the knob opposite ie at minimum heat (thus more heating. How is this knob it became a sort of switch??
If you have the answer, thank you sincerely

PostPosted: 30 Nov 2010 16:44 
Good evening,
Your boiler has she two circulators. One for domestic water, the other for heating, if so, these work normally? When did you realize this problem, the commissioning of heating, or this happened overnight ?

PostPosted: 30 Nov 2010 19:07 

This command was certainly a thermostat function but we need the type or reference of the boiler to give you more specify.
If it is old s is a mechanical thermostat which manages the priority of domestic hot water heating compared to

PostPosted: 30 Nov 2010 19:08 
hello, as stated YS09 see circulators, look as if there is not a trap manual on ballon.slts
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