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preserved from being consumed, when only char remains in the fuel
hopper of the boiler;
•
Thermo-manometer – indicates the operating temperature of the
circulating water in the heat exchanger jacket of the boiler, well as
water overpressure;
•
“START” switch – sends “START/STOP” signal to flue gas fan of
the boiler, the boiler wiil operate at nominal thermal capacity (ON)
or will go into stand-by mode (OFF);
•
“START” indicator – indicates the status “START/STOP” signal to
the flue gas fan of the boiler;
•
“Alarm 1” indicator – emergency overheating – indicates
emergency overheating state of the boiler, due to activation of the
emergency thermostat. In case of activation, cool down the unit and
check and repair the reason for the emergency situation, finally
reset the emergency thermostat;
•
“Alarm 2” indicator – (option) – indicates the status of the heat
exchanger – in case the flue gases temperature is above certain
level it will lit and ash cleaning is required;
The back panel of the interface control board of the boiler has the following
control devices:
Figure 5.2. Interface control board, equipped with control and operating devices
of hot water boiler of series “Pyrotherm” – back side view.
•
Main “POWER” switch – switches ON and OFF the main power
supply of the boiler;
•
Operation mode switch – changes the operation mode of the
control module. Keep it in wood gasification (pyrolisis) position;
POWER
switch
Emergency
thermostat
Cable transition
elements
