26
CTC 380 S
General information
Reset function
The reset function for meters and the reset table parameters appears on the
bottom line of the display, provided a reset is permitted on the current opera-
ting line (enduser / commissioning / heating engineer).
After activation with the OK button, the display shows a fl ashing “Yes“.
After confi rmation with the OK button, the relevant parameter or meters will
be reset.
Manual control
When manual control is active, the relays are no longer energized and
deenergized according to the control state, but are set to a predefi ned
manual operating state depending on their function.
The burner relay energized in manual control can be deenergized by the
electronic temperature controller (TR).
Setpoint adjustment with manual control
After manual control has been activated, a change to the basic display must
be made. There, the maintenance / special mode symbol appears. Setpoint
adjustment with manual control Press the Info button to switch to info display
“Manual mode“, where the setpoint can be adjusted.
Chimney sweep function
The chimney sweep function is activated by a short press (maximum 3
seconds) on the chimney sweep button. It produces the operating state
required for making fl ue gas measurements.
STB test
The STB test (STB = safety limit thermostat) is activated by a long press
(longer than 3 seconds) on the chimney sweep button. The button must be
kept depressed during the entire test. If released, the test will be aborted.
The STB test is shown on the display.
The test must be made by qualifi ed staff since the boiler temperature will be
raised above the maximum limitations.
Summary of Contents for 380 S 18
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