ST-707 Rotations Control
II.14. About the program
The boiler manufacturer's logo along with the version of the regulator
software will appear upon activation of this option on the display.
III.
Protections
To ensure maximum safe and unfailing operation, the regulator has
been equipped with a number of protections. In the event of an alarm, a
sound signal is activated and a relevant message is shown on the display.
Press
the pulse generator
to make the controller return to operation.
III.1. Temperature alarm
This protection is activated only in the
operation
mode (that is
when the boiler temperature is lower than
the set temperature
), when
the PID function is disabled. If the boiler temperature does not rise for
the duration determined by the user, the alarm is activated, the feeder
and the blow-in are deactivated (the water pump is turned on regardless
of the boiler temperature) and a sound signal is activated. A relevant
message appears on the display.
The alarm will be disabled after pressing
the pulse generator
knob
. The regulator then returns to the recently set operation mode.
III.2. Thermal protection
It is an additional bimetallic mini-sensor (located at the boiler
temperature sensor), disconnecting the fan and the feeder in the event of
exceeding the alarm temperature: 85O C. Its activation prevents the
water in the system from boiling in the event of overheating of the boiler
or damage of the controller. After actuation of this protection, when the
temperature goes down to a safe values, the sensor will be unlocked
automatically and the alarm will be deactivated In the case of damage or
overheating for this sensor, the burner, the fan and the feeder will be
disconnected..
III.3. Automatic sensor control
In the event of damage of the CH or the HUW temperature sensor,
the helix or the fuel container, a sound alarm is activated , additionally
signalling the relevant defect on the display, e.g.: "
CH sensor
damaged
".
The feeder and the blow-in is then disabled. The pump
is turned on regardless of the current temperature.
In the event of damage of the CH sensor or the feeder, the alarm will be
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