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For best operation of the .it, it is recommended 

to use pellets the quality of which is certified by 

an authorised body.

For best operation of the .it, it is recommended 

to use pellets the quality of which is certified by 

an authorised body.

The use of poor quality pellets can cause .it 

malfunctioning and shall terminate the warranty.

If the .it remains off for long periods of time, the 

tank must be emptied from any residual fuel.

Quality features of the pellets

Ignition

Operation  of  the  appliance  must  be  verified 

with an ignition test in compliance with the 

manufacturer installation instructions.

In any case, the functionality of the following 

parts must be checked:

- connection to flue gas exhaust system;

- external vents;

- electric and hydraulic connections.

• Before lighting the stove, carefully read the 

use and maintenance manual.

• Remove  all  equipment  inserted  in  the  tank 

when packaged and make sure it is clear of 

any foreign bodies.

• Check that the crucible is well inserted in its 

seat.

• Unroll the room temperature probe placed at 

the back of the stove, moving it to approximately 

20 cm from any hot parts.

• Close the combustion chamber door. Never 

open the door when the pellet stove is operating.

• Connect  the  stove  to  a  socket  using  the 

supplied cable.

Stove ignition

• Before  lighting  the  stove,  make  sure  that 

the brazier is clear of pellets and clean from 

residues of previous combustion. Otherwise 

empty and clean it;

• Fill the tank up to 3/4 with good quality pellets, 

compliant with that described in the standard 

UNI EN 14961-2;

• Press  the  ignition  switch  at  the  back  of  the 

stove; the display will read “OFF”;

• Press the key 

 for 2 seconds. After a few 

seconds,  the  flue  gas  extractor  fan  and  the 

ignition resistance switch on and the text “FAN 

ACC” appears; the igniter LED lights up. 

- After about 1 minute, the text “LOAD WOOD” 

appears, the stove loads the pellets and 

continues lighting the resistance;

- When the proper temperature is reached, the 

display will read “FIRE ON”: this means that 

the stove has passed to the last ignition phase 

at the end of which it will be fully operational; 

the igniter LED switches off.

-  After a few minutes the display reads “Po1-2-3-

4-5-6” according to the set power, alternating 

with room temperature, while the lower display 

shows the system's flow water temperature. 

Stove extinction

To switch off the stove, press the key 

 on the 

control panel until the display reads “OFF”.

Even after extinction of the stove, the flue gas 

extractor fan will continue running for a preset 

amount  of  time  to  guarantee  quick  exhaust  of 

the flue gas from the combustion chamber.

Summary of Contents for .it AQ 15

Page 1: ... it AQ 15 INSTALLATION AND MAINTENANCE INSTRUCTIONS ...

Page 2: ...vice Centre Continuing to use the appliance in these conditions can cause fires or electrocutions In the event the supplementary air vent should not be used only for ducted models ensure fan speed is at zero disabled When installing the stove keep children away from the workplace Unexpected accidents could occur Do not block or cover the stove body in any way or obstruct the vents on top Obstructi...

Page 3: ...ith the instructions in the manuals Use which does not comply with safety directives Installation which does not comply with standards in force in the country Installation by unqualified and untrained personnel Changes and repairs not authorised by the manufacturer Use of non original spare parts Events out of the ordinary Use of pellets not approved by the manufacturer Flue The flue must comply w...

Page 4: ... parallel outlets raise the upwind chamber by one notch The flue pipe must respect the foreseen distances from combustible materials according to standards in force Chimney The chimney must meet the following requirements Have a cross section and inner shape like that of the flue Have a useful outlet cross section no less than double that of the flue The chimney coming out of the roof or in contac...

Page 5: ...al pipe can be inside or outside The smoke duct must be appropriately insulated If the smoke duct is inserted in a flue this must be authorised for solid fuels and if the diameter is larger than 150 mm it must be re established by piping and sealing the exhaust respect to the part in masonry All sections of the flue gas pipe must be able to be inspected If fixed it must have inspection openings fo...

Page 6: ...sed or a suitable protection as long as the minimum cross section is not reduced The air inflow can also be obtained from a room adjacent to the installation room as long is that flow can be obtained freely through permanent vents communicating with the outside which cannot be closed A vacuum must not be created in the room adjacent to the installation room respect to the outdoor environment by ef...

Page 7: ...suitable extension cord Safety distances for fire protection The stove must be installed while meeting the following safety conditions Minimum distance of 40 cm on sides and rear from averagely flammable materials Easily flammable materials must not be placed less than 80 cm from the front of the stove If the stove is installed onto a flammable floor a sheet of heat insulating material must be pla...

Page 8: ...e particles 3 15 mm Additives Lower Calorific Value Q Bulk density BD Nitrogen N Sulphur S Chlorine Cl Arsenic As Cadmium Cd Chromium Cr Copper Cu Lead Pb Mercury Hg Nickel Ni Zinc Zn Melting point of the ashes DT 3 M U mm mm us 1 dm 1 us us dm MJ kg us kg m3 dm dm dm dm dm dm mg kg mg kg mg kg mg kg mg kg C EN plus A1 EN plus A2 6 1 31 5 L 40 10 10 0 7 1 5 97 5 97 5 1 1 2 2 16 5 Q 19 16 3 Q 19 60...

Page 9: ...perating Connect the stove to a socket using the supplied cable Stove ignition Before lighting the stove make sure that the brazier is clear of pellets and clean from residues of previous combustion Otherwise empty and clean it Fill the tank up to 3 4 with good quality pellets compliant with that described in the standard UNI EN 14961 2 Press the ignition switch at the back of the stove the displa...

Page 10: ...tove display reads ECO TERM There are a variety of heat stove operation modes according to room thermostat setting and ambient temperature If flue gas temperature reaches 220 C during stove operation parameter which can be modified by the technician the flue gas is modulated as follows flue gas exhaust motor set at maximum speed pellet loading gearmotor at minimum speed Ignition This procedure low...

Page 11: ...dulated as follows flue gas exhaust motor set at maximum speed pellet loading gearmotor at minimum speed tangential heat exchange fan at maximum speed This procedure lowers the temperature of the flue gas When it returns below the threshold of 220 C the stove restores the speed of the three motors bringing them back to the prior setting In case of a power failure when power is restored the display...

Page 12: ...rmore it reserves the right to modify its products as deemed necessary or useful without affecting their essential features 46033 casteldario mantova Italy tel 39 0376 57001 telefax 39 0376 660556 info unical ag com export unical ag com www unical eu AG S p A 00335582 1 st edition 03 15 www unical eu ...

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