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0. TECHNICAL DATA 

HEATING CAPACITY WITH THE GRATE IN DOWN POSITION: 

 

Nominal heating capacity (wood) 

27,56 kW  

Heating capacity by radiation of heat (wood) 

7,44 kW  

Heating capacity to water    (wood)                              

20,12 kW  

HEATING CAPACITY WITH THE GRATE IN UP POSITION: 

 

Nominal heating capacity   (wood) 

20 kW  

Heating capacity by radiation of heat    (wood) 

6kW  

Heating capacity to water    (wood)                              

14,9 kW 

REQUIRED CHIMNEY DRAFT 

20 Pa 

FLUE PIPE CONNECTION DIAMETER 

150 mm 

HEIGHT FROM THE FLOOR TO FLUE PIPE CONNECTION AXIS 

690 mm 

STOVE DIMENSIONS: 

 

Width 

900 mm 

Height 

850 mm 

Depth 

600 mm 

OVEN DIMENSIONS: 

 

Width 

330 mm 

Height 

260 mm 

Depth 

440 mm 

FIREBOX DIMENSIONS: 

 

Width 

315 mm 

Height   (min/max) 

264/460 mm 

Depth 

414 mm 

FIREBOX DOOR OPENING    (width/height) 

175/200 mm 

FLOW AND RETURN PIPE CONNECTIONS 

R1" RS 

THERMO VALVE AND SAFETY VALVE CONNECTIONS 

R1/2" RU 

COOLING PIPE CONNECTIONS 

R1/2" RS 

BOILER VOLUME 

25 l 

HEATING VOLUME WITH THE GRATE IN DOWN POSITION: 

340 – 450 m

3

 (total) 

Heating volume by radiation of heat 

90 – 115 m

3

 

Hot water (radiator) heating volume  

250 – 335 m

3

 

HEATING VOLUME WITH THE GRATE IN UP POSITION: 

250 – 330 m

3

 (total) 

Heating volume by radiation of heat 

75 – 100 m

3

 

Hot water (radiator) heating volume  

175 – 230 m

3

 

MAXIMUM OPERATING PRESSURE  

0.25 MPa 

MAXIMUM OPERATING TEMPERATURE 

90 

WEIGHT (gross/net) 

202/186 kg 

 
Note: 
The heating power is shown for stoking dry beech wood with lower heating power Hd=4255W/kg. 
DEAR BUYERS! 
Thank You for the trust you showed us buying our stove for floor heating. We assure You that You have chosen a quality 

and economic product that is a result of many years of experience of this factory in the production of stoves and furnaces for 
floor heating. 

We hope that we fully met Your requirements in terms of design, as well as in terms of the surface of living area that you 

can heat. 

Please carefully read these instructions before connecting the stove and adhere to every advice provided herein. 

 

-IT IS MANDATORY TO INSTALL A THERMAL DRAIN VALVE TOGETHER WITH THE THERMAL THERMAL PROTECTION OF 

THE SO CALLED THERMAL FUSE IN ACCORDANCE WITH THE RECOMMENDATIONS OF THE USER'S MANUAL.  

-IT  IS  MANDATORY  TO  INSTALL  A  CONTACT  THERMOSTAT  IN  ORDER  TO  CONTROL  THE  CIRCULATION  PUMP  AT  A 

MINIMUM RECOMMENDED SET TEMPERATURE OF 57

C. 

-IT IS MANDATORY TO USE FIREWOOD WITH A HUMIDITY PERCENTAGE OF LESS THAN 25% OR FIREWOOD THAT HAS 

BEEN STORED IN A DRY OPEN SPACE FOR TWO YEARS  

-THE MINIMUM INSTALLED POWER OF THE HEATING SYSTEM MUST NOT BE LESS THAN 65% OF THE NOMINAL POWER 

OF THE STOVE AND THE MAXIMUM INSTALLED POWER OF THE HEATING SYSTEM MUST NOT BE MORE THAN 100% OF THE 
NOMINAL POWER OF THE STOVE. 

-THE  CHIMNEY  TO  WHICH  THE  STOVE  IS  CONNECTED  MUST  MEET  THE  REQUIREMENTS  PROVIDED  IN  THE  USER 

MANUAL. 

-WHEN CONNECTING THE APPLIANCE TO THE CHIMNEY, NEVER USE FLEXIBLE HOSES INSTEAD OF FLUE PIPES. 

 
 

 
 

Summary of Contents for ALFA TERM -27

Page 1: ...ALFA TERM 27 This product meets the requirements of the Ecodesign Directive in terms of efficiency and air pollution level in order to contribute to the reduction of energy consumption and negative en...

Page 2: ...eating power is shown for stoking dry beech wood with lower heating power Hd 4255W kg DEAR BUYERS Thank You for the trust you showed us buying our stove for floor heating We assure You that You have c...

Page 3: ...2 1 THERMAL VALVE WITH BUILT IN THERMAL PROTECTION Fig 7 Item 13 and Fig 7a 7 7 2 2 SLOPE PRESSURE REGULATOR 1 2 WITH MANOMETER Fig 7 Item 19 and Fig 7b 8 7 2 3 WATER FILTER OF THE BOILER INTAKE Fig...

Page 4: ...CKAGING MAY CAUSE SUFFOCATION THESE INCLUDE PLASTIC BAGS FILMS STYROFOAM ETC 2 3 THE RESPONSIBILITY OF THE INSTALLER The responsibility of the installer is to perform all the checkups of the flue pipi...

Page 5: ...Secondary air regulator knob 19 Ash pan door 10 Thermostat combustion regulator knob 12 Ash pan ash box 13 Grate holder 14 Wood box 15 Cleaning access plate 16 Pressure gauge 17 Thermometer 18 Cooktop...

Page 6: ...inet is mounted above the stove minimum clearance between the stove s cooktop and the cabinet should be at least 40 cm Combustible materials e g wallpapers door casings doors etc require a clearance t...

Page 7: ...box and screw it on the outlet on the cooktop or on the side outlet First remove the cover and use the same screws to fasten the collar NOTE If your chimney is of unsatisfactory or dubious quality we...

Page 8: ...is built on the outside walls it must be well insulated If the chimney connection is tightly connected to the chimney if the connection is extended If it is properly cleaned and free of birds nests di...

Page 9: ...ney pipes that have a rectangular internal cross section with a ratio that differs from the plan Modest efficiency 40 Chimney positioning and distance 7 INSTALLING THE STOVE IN THE WATER HEATING SYSTE...

Page 10: ...ssure regulator with manometer 1 2 the same or similar as shown in Fig 7b and Fig 7 Item 19 3 Filter for cold water at the input of the water supply to the thermal valve Fig 7 Item 20 4 Filter for hot...

Page 11: ...the hot boiling water from dirt and solid objects that can damage the tap seals or seals of the thermal valve This filter must be resistant to water temperatures up to 150 C NOTES After the completio...

Page 12: ...losed expansion vessel 7 Contact thermostat Note It is mandatory to install a thermal discharge valve with thermal protection the so called thermal fuse in accordance with the recommendations from the...

Page 13: ...ected to the chimney as described in the foregoing items NOTE The stove may not be used without water It must be connected to the system which is connected to consumers radiators with the power of no...

Page 14: ...d using the thermostat power regulator combustion regulator which is located in the ash pan door and which automatically sets the regulator damper depending on the regulation knob setting Fig 1 Items...

Page 15: ...odors the next time you heat the oven Clean the cooktop occasionally using fine sandpaper and in the event of longer breaks apply acid free oil on the cooktop vegetable oil Remove burnt material from...

Page 16: ...t If water is leaking from the valve replace the expansion vessel If only air comes out from the valve remove the installation vessel and pump it The pressure in the vessel must be equal to or greater...

Page 17: ...small number of radiators are switched on Transfer the grate to upper position or switch on some other radiator Keep the ashtray door closed 14 Water condensate in the boiler Damp heating material Cha...

Page 18: ...ate of undesirable objects 18 Outline dimensions of ALFA TERM 27 stove Figure 16 19 DETERMINING THE REQUIRED HEAT OUTPUT There is no absolute rule that would allow the calculation of the required heat...

Page 19: ...eating close the air inlet covers and DO NOT open the fireplace door Extinguish the fire with appropriate means home fire extinguisher NEVER USE WATER TO EXTINGUISH THE FIRE Also notify local firefigh...

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