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INSTALLATION AND MAINTENANCE OF
THE ULMA FURNACE 20kW
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Chapter
Table of content
Page
1. Information 3
2.
Function & description
3
3. Dimension description – Technical data 5
4.
Connection of burner
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5.
Furnace room
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6.
Ma
nagement and maintenance
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7.
Data about pellet firing
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8.
Wa
r
ranty conditions
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9.
Information to the installer
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ULMA AB Energigatan 11 SE-512 53 Svenljunga Phone +46 (0)325-17680
E-mail: info@ulma.se
www.ulma.se
ULMA AB reserves the right to changes in details and specifications without a preceding message.
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Information
• Keep this manual so that it is accessible to professionals and future needs.
• Read this manual carefully before starting up the furnace.
• The efficiency of the furnace is calculated after the maximum amount pellets that can be fed and combusted
in the burner during 1 hour (intended for combustion of normal wood pellets as an average of the fuel
specification).
• Follow the manual and its instructions carefully to do recommended management and maintenance.
Registration to the local building authority in your municipality
N.B.: At every change of heating system, the local building authority of the municipality has to be
contacted and a so called “Construction Registration” is made.
Inspection
Heating plants installed today shall be inspected and approved by authorized inspector like the local
certified chimney-sweeper. The local building authority in the municipality can inform you how this
could work.
Important at installation
• Installation shall be made by certified ventilation and sanitation engineer and electrician.
•. N.B.! The burner shall be inserted to maximum in the furnace. Control this carefully in the future
also if the burner is disconnected for example cleaning and service.
• At adjustment of the burner draw limiter shall be adjusted after the draft condition of the chimney. .
• The furnace shall be connected electrically via an all-pole breaker with at least 3 mm length of
break. .
Sweeping
Chimney sweeping made in accordance with the fire-protection law shall be made frequently during
the year. This is made by your local chimney sweeper. Regular cleaning of heating surface of the
furnace shall be made in a way so that good operating economy is obtained. Prepare sweeping by
turning off the burner at least a couple of hours before cleaning to minimize the amount of ignited ash.
Warning!
See to that the power to the furnace is turned off before the cap over the burner is removed and
dismount cabling to the burner when the burner is removed from the furnace.
Maintenance agreement increases operation length and life of the unit
ULMA AB recommends subscription of annual maintenance agreement.
For more information contact your local ULMA retailer.
Change of wear parts
ULMA AB always recommends that wear parts, when needed, are being changed by an authorized
service technician at your ULMA retailer. ULMA’s retailers can provide necessary spare parts and at
change make sure that the part being changed on the unit go through alignment and that a flue-gas
analysis of the unit is made.
Function & description
ULMA FURNACE
Belongs to a new generation of pellet furnace that is specially built only for pellet combustion which means that it
has a standing convection system and special design of the hearth to catch the smallest soot particles on the
convection surfaces and longest possible flue-gas way to increase the efficiency.
Sweeping
Regular cleaning of heating surfaces is made from the top by taking off the lid placed in the center on the top of
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the furnace.
1.Open the lid by screwing off the knobs.
2.Remove the cover.
3.Clean the tubes as shown in the picture above. 4.Make sure to attach the cover properly
after cleaning of the tubes. See picture
above.
Close the door.
5.Emty the ashbox. Slide the ashbox with the 6.Flue gas direction
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direction of the arrow inside and close the door.
The furnace is provided with an extra large ash box in the bottom part to facilitate the maintenance. The ash box is
emptied as required. Control of the ash amount in the box should be made regulary. The ash box holds about 30
litres of ash
Small dimensions facilitate placing
The dimensions of the ULMA FURNACE make it very easy to install. The small smooth dimensions make it fit in
rooms that normally would be considered tight.
The pipe joints are located on the back of the boiler. The electrical installation is easily made via already existing
cables and you do not have to demount any parts for this procedure. Just plug it in.
Service of the furnace is easy to make since all connections and components are easily accessible from the front.
Dimension description
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Technical data
Flue pipe Ø 130
Connection hole (burner) Ø 154
Power connection 230 VAC
Warranty 1 YEAR
Efficiency Approx. 95%
Max effect 20kW
Ash box Approx. 30 litres
Weight Approx. 100Kg
Fan capacity 3400 cbm/h
Variable fan 0-100 %
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Management & Maintenance
Cleaning of the furnace
In the ULMA FURNACE the maintenance has been
minimized i.a. by a well planned construction and the
large ash box holds approx. 30 liters. Ash emptying is
made as required. Cleaning of the tubes of the furnace
should be done at the same time the ashbox is
emptying. ( Appr. 1000 kg pellet) More frequent
intervals give increased efficiency. The giver should be
cleaned at least once per month.
Be extra attentive of to the quality of the pellets at new delivery or change of deliverer.
At new delivery a flue gas analysis should be made. Therefore we recommend a service agreement.
Contact your local installer regarding information of agreement.
The impeller should be cleaned at least 1-2 times per year with airpressure.
The tubes of the furnace should be cleaned 4-5 times per year (may vary some depending on
consumption and pellet quality) or when the flue gas temperature has risen with approx. 50 degrees
since previous cleaning.
• Turn off the burner a couple of hours before service.
• Lift up the lid on the top and clean the tubes. (Use the enclosed tube wisp.)
• Pull out the burner and clean from ash residues between the burner pipes at least two times per
year..
NOTE!
Always be careful with ash since it might be ignited. The ash should be kept in fireproof vessels.
Data about pellet firing
At installation the unit shall always be adjusted with a flue gas instrument and not only with help of
the human eye. When the installation is in place and has been gotten into shape with a flue gas
instrument, ask for a print of the check measurement from the installer. There you should be able to
read the values like CO, O2, CO2, combustion efficiency, draft, flue gas temperature etc.
Goal values:
CO2 : 11 %
CO :10 - 300 ppm
O2 : 8 – 10 %
HPa : -0,10 / -0,15 (draft)
Combustion efficiency (average): 90-92 %
Gene
ral facts about fuel pellets
A fuel pellet is per definition a”short cylindrical item” for combustion. Fuel pellets are made by
pressing of finely powdered dry fuel that is made by waste products from the forest industry. The
diameter of the fuel pellets existing on the Swedish market today, vary between 6-8 mm. The effect
on the outer environment is minimal at combustion of pellets. At the combustion in a pellet system of
for example a pellet boiler or stove the stored sun energy in the raw material is released. The
emissions of unburned hydrocarbons as well as dust are in almost all cases far below the marginal
values of the authorities. The carbon dioxide taken up and captured during the growth of the trees is
released in the process to once again be taken up by the nature. In other words a circuitry.
Combustion of pellets does not provide the atmosphere extra carbon dioxide which happens at
combustion of the fossil fuels oil, gas and coal.
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Warranty conditions
ULMA AB leaves a 1 year warranty on the Ulma furnace regarding fabrication faults on ingoing
components.
The exception are damages caused by lack of maintenance, incorrect handling or deficient
installation. The warranty does not cover damages on persons or other property other than the
sold product, not other consequential damages or indirect occurred damages. Working costs to
change components are not included in the warranty. Ulma AB provides new components at
return of defective components within 3 weeks. Components sent with receiver freight will not
be gotten out.
Provided that an authorized installer has mounted or inspected the furnace and the Ulma pellet
burner and that warranty/installation certificate has been sent to ULMA AB not later than 2
weeks after installation.
Yearly service should be made and service reports should be able to be shown at possible
complaint.
Otherwise no warranties are valid.
If the retailer has a service agreement with the customer ULMA AB covers the working costs.
The retailer is liable to inform the customer this.
We reserve us the right to construction changes and dissent us from possible printing errors.
Information to the installer
The installation certificates which comes with the burner´s manual shall be filled out with
correct information. One to the customer that should be kept in this binder. The other one we
would like you to send per mail to ULMA AB. We also prefer that you enclose a print from the
flue gas analysis with date and time of the installation. For you who do not have access to a
printer to your flue gas instrument we ask you to fill out the information in the installation
certificate per hand. If this is not being followed we refer to the warranty conditions what
regulations that are valid. If you mishandle this you are also removed from retailer system and
you can no longer sell, install our products. If you use a different dosage auger brand we would
like you to contact us at installation.
Adress information:
ULMA AB
Energigatan 11
SE – 512 53 Svenljunga, SWEDEN
Phone: +46 (0)325-17680
Web site: www.ulma.se
E-mail: info@ulma.se
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