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4 Commissioning/Operation
4.1 The initial start-up
Only Viessmann or another trained specialist may put a
newly installed facility into operation for the first time.
Be absolutely sure to follow the instructions in the As-
sembly and Installation Instructions. No warrenties may be
claimed for damages in cases of initial start-ups carried
out improperly at one's own initiative.
First check:
Is there enough water in the heating system?
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Has the heating system been bled of air?
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Are the slide valves open for the heating-system's
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forward and reverse flow?
Can enough fresh air get into the heating room?
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Empty ash bin.
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Are the doors and lids on the burner all closed leak-
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tight?
For safety keep firing and ashipt doors tightly closed.
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4.2 Operation
4.2.1 Heating up
Press the F1 key "PYROT Wood". The loader modules
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will be switched on in the appropriate order. When
there is enough fuel in the combustion chamber, the
entire loader system switches off.
The automatic ignition then takes place. The ignition
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process stops as soon as the fire is started.
4.2.2 Operation
The material is supplied depending on the light barriers
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in the metering container and in the combustion cham-
ber, allowing for the residual oxygen.
The primary and secondary air vents change their posi-
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tions depending on the exhaust gas temperature and
residual oxygen.
Using the setting "Storage Management, Temperature,
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Storage, Average", it is possible to keep the facility in
continuous high-performance operation for as long as
possible – with fewer ignitions, better efficiency and
lower emissions.
(Only possible with accumulator option)
When the boiler temperature set is reached, the facility
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switches to "Run Auger Empty". When the feed auger
has been run empty, and the exhaust gas temperature
is less than (90°C) 194°F, the exhaust gas fan
switches off and the air vents close.
When the "System Temperature Setting" is fallen short
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of, the boiler is automatically started back up.
4.2.3 Switching off
Press the F1 key "PYROT Wood". As feedback to this,
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"Run Auger Empty" will appear on the control panel.
CAUTION: Do NOT use the master button to switch off
(DANGER OF BACK BURN) !!!
15
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