Astra H-45 ES Kurulum ve Kullanım Kılavuzu - Sayfa 7

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If the water temperature due to the unforeseen reasons exceeds the maximum allowable limit
(safety thermostat in the factory is set at 95
switches off the ventilator of the air supply. Combustion intensity will decrease and the temperature of water
will drop.
When the emergency thermostat comes into action (switches off) – the indicator light of the
ventilator will switch off and electronic controller indicator light "heating off" is on, it is necessary to detect
the reasons and to remove them. Emergency thermostat is turned on by taking off the cover of thermostat
o
! 95
C and pressing the red button.
The attempts of purchaser to repair the thermostat and to recover its functions on his own without
removal of reasons which caused the over-heating of boiler can result not only serious damages of boiler,
but also the danger for the health and life. If the reasons of the switch of the emergency thermostat can not
be detected and removed, it is necessary to call the servicing company !
Addition of the firewood
While putting firewood into the combustion chamber (during boiler operation or after load burning
off), keep strictly to the set order:
1) Open the damper of the upper flue by pulling the handle (12) (see fig. No. 2).
2) Switch off the ventilator.
3) Wait at least 20 s, slowly open the upper door.
4) Put the firewood in and close the door tightly.
5) Switch on the ventilator.
6) Close the damper.
If operated following this order, smoke and carbon won't enter the room.
Combustion control
The combustion control of boiler is described in the chapter "COMBUSTION CONTROL" of the
technical description of regulator KR-4.
The flame in the boiler can be checked by opening the lower door of the combustion chamber
when the ventilator is off.
Temperature regulation of the heating system – See the description of the scheme of boiler
room (beginning of the chapter 4).
Cleaning of the boiler
Aches are removed from the boiler each 4-7 days. Open the door of the upper combustion chamber
and shovel aches down to the lower chamber. Open the door of the lower chamber, take out the ceramic inserts
and shovel ashes to the metal box.
WARNING! In any case keep strictly to the determined order: open the damper of the upper flue,
then after 20 s open the boiler door.
Clean boiler chambers from smoke-black and pitch scurf once or twice a month. Clean the boiler
when the fuel is completely burned and the boiler is cooled down to at least +40 °C.
Clean smoke-black and scurf from combustion chambers and flue walls using a
scraper and metal hog. Clean after the doors of the combustion chambers are open and caps
of flue upper and lower openings unscrewed. Smoke-black and scurf on the bottom of the
chimney are cleaned through the hole of the lower chamber of combustion B (see fig. 2).
Control water pressure in the heating system at least every two weeks. If necessary, fill it up. If the
boiler is not being heated, drain the water off the system when air temperature is below 0 °C!
Emergency extinction of the boiler
If due to any reasons you must immediately extinct the heated boiler, by any means don't pour
water on the kindling wood! The boiler can burst.
It is very convenient to use dry sand for emergency extinction. There should be ~50 kg of dry sand
in the boiler room. Sand not only well isolates burning firewood from the air oxygen but also cools down the
burning zone. Then, when the boiler cools down, sand can be easily cleaned and removed.
ºC temperature), safety thermostat (emergency switch),
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