geminox THR Series User Manual

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Pressing $ and % for at least one second activates
the TÜV function, i.e. the internal regulator/temper-
ature controller function becomes inactive. The
heating then operates at maximum heat output until
the safety temperature limiter responds (STB). Re-
leasing either of the two buttons interrupts the TÜV
function.
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Pressing $ only for at least 3 seconds activates the
“regulator stop” function. This allows the fan speed
(and therefore the heat output) to be adjusted man-
ually on the hot water setting potentiometer (e.g. for
adjusting the gas orifice, etc.). The boiler then oper-
ates in its heating regime; the internal “on-off” regu-
lator and the temperature controller function are
active.
The regulator off function is ended by pressing the
button again or by switching off the burner.
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An oversized heat exchanger/condenser, with a wa-
ter-cooled combustion chamber in its upper part,
combines the functions of a heat exchanger and
condenser.
Condensation occurs on the tube walls where the
temperature is below the dew point for the combus-
tion products.
Efficiency curve at high/low setting:
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geminox THR Series Specifications

General

Brand	geminox
Model	THR Series
Category	Boiler
Language	English