Tim Sistem NIKA- HYDRO User manual

NIKA- HYDRO Fireplace stove on solid fuel
Owners’s manual
INSTALATION, ADJUSTMENT AND OPERATING INSTRUCTION
EN 13240

Dear Customer,
We appreciate your trust wested in us and decision to use "TIM SISTEM" product.
You have invested in energy-efficient and high-quality product –NIKA HYDRO wood burning
stove.
Your purchase will provide you long-term clean and comfortable heating with minimal
maintenance.
Please read these instructions carefully and completely.
The purpose of the manual is to inform you about the installation, operation and maintenance
of your stove. Keep it handy and refer to it as needed. You will find in it information that will
be useful now and in the years to come.
Make sure that when installing the stowe all security standards have been respected and
that all gas pipes, connections between tubes and pipes and walls are connected properly.
Disregarding these standards and negligence during installation can result in damaging your
property or put your health and life in danger !
Set your stove to a safe place, away from the frequent passages and doors, somewhere
near chimney and chimney connection.
We wish you many pleasant moments with NIKA HYDRO.
TIM SISTEM d.o.o.

CONTENTS
WARNING BEFORE USE ............................................................................ Error! Bookmark not defined.
DECRIPTION OF THE STOVE...................................................................... Error! Bookmark not defined.
INSTALLING THE STOVE............................................................................ Error! Bookmark not defined.
IGNITION AND LIGHTING.......................................................................... Error! Bookmark not defined.
HANDLING THE STOVE OPERATION ......................................................... Error! Bookmark not defined.
I –authomatic ragulation of stove operation (regulation of primar air).............Error! Bookmark not
defined.
II –regulation of secundary air ............................................................ Error! Bookmark not defined.
INSTALLING THE STOVE INTO THE SYSTEM FOR WATER HEATING.......... Error! Bookmark not defined.
Installaion on closed central heating system ....................................... Error! Bookmark not defined.
Installaion on opened central heating system..................................... Error! Bookmark not defined.
CLEANING AND MAINTENANCE ............................................................... Error! Bookmark not defined.
MALFUNCTION. RECOMENDATION FOR ITS ELIMINATION ..................... Error! Bookmark not defined.
GENERAL RECOMMANDATION ................................................................ Error! Bookmark not defined.
ADVICES FOR ENVIROMENT PROTECTION............................................... Error! Bookmark not defined.
Packaging.............................................................................................. Error! Bookmark not defined.
Product................................................................................................. Error! Bookmark not defined.
WARRANTY............................................................................................... Error! Bookmark not defined.

WARNING BEFORE USE
To keep your stove working properly, it is important to read this manual and strictly stick to
the instructions for use and handling.
For combustion use solid fuels such as wood and wood briquettes. It is forbidden putting
explosive devices and materials combustion chamber or the limited thermal furnace. It is
forbidden to keep flammable materials near the stove.
For proper combustion, in normal operating mode, draft in the chimney should be 10-12PA. If
the draft is greater than 15Pa, the valve should be installed in the chimney.
Room where the stove is positioned must be vented regularly for the fresh air needed for
combustion.
Some parts of stove heat up during operation and it takes appropriate precaution when
handling it. Do not allow children to handle and play near the stove.
Only spare partes reccomended and allowed by the manufacturer should be installed on the
stove . You must not make any changes on the stove.
With first firing there might show a mild smoke, especially from the plate’s surface. It is a
common appearance that occurs due to combustion deposits on the plate’s surface
(corrosion protection, paint, dust, ....). The room where the stove should be vented during the
first firing.
It’s not reccomended connecting the stove to the common chimney because it can adversely
affect the required draft.
Device that uses gas as fuel must not be connected to same chimney.
During firing, use protection gloves because the door handles get heated.
National and local regulations for the installation of the furnace must be respected.
In a case of diregarding instructions given in this manual, manufacturer does not take
any kind of responsability for caused damage.

DESCRIPTION OF THE STOVE
NIKA HYDRO storey stove is manufactured and tested according to European standard
EN 13240.
On the figure 1 is shown the appearance of the stove with all it's components important for
handling.
NIKA HYDRO fireplace stove has a boiler (figure 1, position 11), 12.5 l volume made of boiler
tin-plates, tickness prescribed by standards. This kind of manufacture prolongs life of the
boiler. Water connections are 1.
The upper plate of the fireplace is made of steal (figure 1, position 1)
Firebox doors (figure 1, position 4) are made of cast iron with fireproof glass.
Connection for smoke drain (figure 1, position 2) is made of cast iron and it’s installed on the
plate with 2 screws.
All the materials that the stove is made of can be recycled.
Sealing elements are made of materials that doesn’t contain asbestos.
Grid in the firebox (figure 1, position 10) is made of cast iron.
Parts of the stove:
1. Upper plate
2. Smoke drain
3. Secondary air regulator
4. Firebox door
5. Firebox door handle
6. Glass
7. Ashtray
8. Authomatic regulator
9. Lever
10. Grid
11. Boiler

TECHNICAL DATA
Name
NIKA HYDRO
Use
Solid fuel sorey stove
Nominal power
kW
20
Efficiency
%
Fuel
84
Dimensions of the stove WxLxH
mm
705 x 441 x 760
Dimensions of the firebox WxLxH
mm
574 x 260 x 280
Weight
kg
153
Minimum distance from flammable materials
Back
mm
500
Lateral
mm
500
Front
mm
800
Content of CO (reduced on 13% O2)
%
Wood
0,091
Emission of CO(reduced on 13% O2)
Chimney connection
mm
Ø150
Chimney connection position
Central on upper plate
Consuption by nominal power
kg/h
2,65
Emission temperature
°C
241
Air regulation
Primary
Automatski (Rathgeber)
Secundary
Manual
Required amount of water in the boiler
l
12,5
Required draft
Pa
12-15
Storey stove is made for heating of residential premises. An integral part of the installation is
thermal drain valve that serves as a thermal fuse of a possible overheating. The
recommended thermal fuse is Caleffi 1/2 544, shown in Figure 2.
Note: The thermal fuse is not part of the product and it's not supplied with the product. The
guarantee is valid only if the termar fuse gets installed into the boiler.

Figure 2. Thermal fuse Caleffi
INSTALLING THE COOKER
The stove must not be set up near the wooden parts, refrigeration elements, plastic furniture
and other flammable materials because during operation (during fuel combustion) it achieves
high operating temperature that is distributed on the outside of the furnace. Minimum
distance between the stove and the surrounding elements is 50 cm, and the from flamable
materials 80 cm.
If the ground on which you set the stove is made of easily flammable material (wood, warm
floor, laminate ...) you need to set under the stove a protetion sheet metal - lateral width of 10
cm and 50 cm in the front.
Because of it’s weight, the stove must be installed on the appropriate base. If it does not
satisfie necessary standard, you must take appropriate measures to make it possible (eg,
weight distribution).
Connect the fireplace stove to a chimney and flue pipes through the connector on top of the
furnace, so as to ensure adequate tightness and flow of smoke from the stove to the
chimney. Flue pipe must not be drawn too deeply into the chimney that would reduce the
cross sectional area and thus undermined draft in the chimney. Do not use reducers which
reduce the cross section of pipe smoke.
The stove requires insertion of fresh air in the room where it is installed, with surface
openings for insertion of fresh air should not be less than 0.4 dm ². The unit for fresh air set
outside the common room for ventilation, which must be insured by door and gride.
Fans that work in the same room where the cooker is installed may make interference wit the
the cooker. Also, all devices or ventilation that creates negative pressure in the room where
the cooker is installed, must be set in the way that does not make decompression that
prevents normal operation of the stove.
Before installing the stove, check the chimney drafts because it is a key factor in the proper
functioning of the stove. Draft depends on the proper opration of the chimney and
meteorological conditions. One of the easiest ways to check the draft in the chimney is with a
candle flame, as shown in Figure 3 . Put a candle near the chimney connection drain. If the
flame bends towards drain, the draft is satisfying (Figure 3b). If the flame doesn’t bend or
bends a little, that indicates poor draft(Figure 3a).

If there is poor draft in the chimney (Figure 3a), check the chimney functioning. The chimney
should be located inside the building, and if it’s located on the external walls of the building,
it’s highly recommended insulation of the chimney.

Disadvantages of the chimney (Figure 4): `
1.
The chimney is lower the top of the roof, a small cross section of the output.
2.
Excessive slope
3.
A sudden change of direction of the channel
4.
Stove or some other evice is connected to the same flue channel
5.
Bulges in the channel
6.
Cracks
7.
Alien body or acumulated grime
8.
Tube inserted to deeply
9.
Fan or other device that creates a vacum in the room
10.
Unseald or opened cleaning hole

IGNITION AND LIGHTING
Before the first firing, wipe all painted surfaces with a clean and dry cloth, in order to avoid
burning of impurities on the stove and creation of unpleasant smells.
Start the fire in the stove by following order:
• pull the primar air regulator handle counterclockwise to the maximum point
• secundary air regulator leave open untill the flame gets stabile and afterwards fire intensity
control wih regulator
• open the firebox door
• insert the firing material in the firebox (tiny chopped wood on dry wrinkled paper)
• light the fire
• close the firebox door,
• after creating a basic glow in the firebox, insert larger pieces of wood or coal,
close the firebox door and push the handle of the draft regulator to the stove
If fuel briquettes are used as a fuel, you must wait until entire amount of a fuel lightens up
and only then reduce draft on half
• when adding fuel,open the firebox door for just few degrees,wait for 4-5 seconds and
then slowly open them wide. Do not open the door suddenly, because when there is a high
flame in the firebox, it can could easily reach in to room.
Regulating the draft in the stove, you can regulate temperature, power and the combustion of
fuel. Recommended fuels are briquettes and wood.
You must not use gasoline and similar fuels, because by using liquid fuels you crate
conditions for damaging the stove and to provoce an explosion.
Attention!
• Do not use organic wasteas fuel, food residue, plastic, combustible or explosive materials,
which combustion disturbs the proper functioning of the cooker and may cause damage and
environmental pollution.
• Increased ambient temperature can cause poor air circulation (drafts) in the chimney, and in
that case is recommended more frequent firing in smaller quantities.

• Avoid using the stove when there are bad weather conditions for the stove operation and in
the case of strong wind, because it reflects the required vacuum in the chimney. In these
cases there may occure potential return of smoke in the room where the cooker is placed.
Ignition is difficult then.
We recommend firing every hour with the amount of fuel in the combustion chamber up to
15cm with cross stacking wood for better airflow.
After each refilling, it’s reccomender to leave the stove running in full speed for 30 minutes,in
order to destroy all volatile elements that may cause condesation in the cooker.
For correct cooker operation it takes:
- Regular cleaning of the cooker and chimney
- Regular room ventilation for better combustion
- Regular ash tray cleaning
- Accumulated slag and unburned material regularly remove from the grid with
an adeguate cleaning kit
HANDLING THE STOVE OPERATION
Start a fire with a moderate flame in order to avoid thermal shocks.
The following amounts of wood are inserted only after the previous volume burn.
Do not allow that ashes and unburned accumulate on the grid and to ta pit that way. Clean
the grid.
Open the door slowly and carefully, allowing, that way, equalization of pressure in the firebox
and in the room, otherwise it might cause the smoke in the room.
The cooker is designed and made for use with firebox door constantly closed, except during
refueling. Do not open the door with no need.
The wood must be a maximum of 20% moisture content for maximum fire effect. Otherwise
the tar gets separated which with water steam may crate creosite. If that happens in some
bigger quantitiy, it may lead to a chimney fire. You will most easily recognize chimney fire by:
the characteristic sound that comes out of the chimney like loud roaring, visible flames
coming out of the chimney, high ambient temperatures of surrounding walls and the
characteristic smell of burning.
If there comes to the fire do the following:
• Immediately call the fire squad
• muffle oxygen supply to the chimney and turn off the cooker
• Do not insert anything into the chimney and make sure that the fire does not spread to the
wooden construction or other combustible materials in its nearby.

• DO NOT pour water into the cooker or chimney
• A fire in the chimney can be extinct only with dry powder
• Water can extinguish only a surrounding material
• Do not cool the surrounding walls with water
Important notice:
If the fire, for some reason becomes dangerously strong, please take the following
measures: close the air supply, which provide air for combustion. If necessary, throw in the
firebox sand or fireproof blanket. It would be good having fire extinguisher for that purpose.
Before the second charging, clean the rost grid in order to provide the fresh air supply.
Regularly clean the ash tray making sure that there is always enough place for ashes.
The stove is designed to operate in periodic mode. To maintain the required nominal power,
combustion chamber is periodically filled with prestabled amount of fuel.
Furnace is not designed to operate in continuous mode of heating or in accumulating
temperature mode.
Authomatic regulation of stove operation
Combustion rate, and thus the amount of heat generated by stove, depends on the amount
of primary combustion air delivered to the space below the roast grid. The regulation of
primary air is accomplished automatically by draft regulator Rathgeber (Figure 5).

During the firing, primar air regulator button, located on the back side of the stove, turn to
fully open flap position, in the direction shown in Figure 6a. During the operation, depending
on the temperature, the regulation flap will open and close automatically. If you want a lower
temperature than the set one, turn regulator button to the desired position of minimum open
flap 6, which closes the regulator flap.
Figure 6a Figure 6b
II - regulation of secondary air
Secondary air regulator put into position „open“ (Figure 7a) during firing and keep in this
position until establishing the stable operation of the stove after loading some larger pieces
of wood or briquettes. After that, depending on the position of the regulator it will also depend
the intensity of burning. If the regulator of secondary air remains in open position, intensity of
burning will be maximal, while if the secondary air regulator is in closed position (Figure 7b)
intensity of burning will be minimal.
Power regulation of the stove is obtained by adjusting the regulator of the primary and
secondary air.

INSTALLING THE COOKER INTO THE SISTEM FOR WATER HEATING
- For water supply and drainage in condominial (central) heating system are provided
connections to the boiler 1 ".
- The stove can be installed on an indoor or outdoor central heating system.
Installation on closed central heating system
One of the possible installation processes is shown in Figure 8.
-The safety valve must be placed close to the boiler and must be set to a maximum pressure
of 3 bar (boiler is tested to 4 bar). The connecting line of the safety valve must be as short as
possible and must not have the possibility of closing. In this connecting line also there must
not be any single valve or any other fitting.
-Closed expansion vessel is placed close to the boiler and has a short security line. The
volume of the expansion vessel is calculated by the folloving formula:
V = 0,07xVwater, (l), where Vwater is volume of the water in entire system.
-The installation of the safety fuse of the boiler it's necessary. We highly recommend a Caleffi
544 thermal fuse.
- The instalation of vent valve (authomatic preferably)
- Before starting the stove, it’s necessary to vent the system

Figure 8. closed central heating system

Installation on opened central heating system
One of the possible installation processes is shown in Figure 9.
With this system, on the initial line are being set safety distribution line of the expansion
vessel and boiler's valve, and on the initial line of the system are being set boiler's valve, a
pump and a valv. Directly below the open expansion vessel is set short connection between
safety distribution line and safety rebound line, which prevents water freezing on winter in an
expansion vessel.
On safety distribution line and safty rebound line, must not be any kind of fitting. Expansion
vessel must have an overflow pipe as shown on the chart in Figure 9. The volume of the
expansion vessel is calculated by the folloving formula:
V = 0,07xVwater, (l), where Vwater is volume of the water in entire system.
Open expansion vessel is placed vertically above the highest heating body. Under the open
heating system is possible having gravitational heating system.
Note: Installation of the heating system and starting up of the entire system should be
entrusted exclusively to professional service in charge that guarantees the correct operation
of the entire heating system. In case of bad design of the system and possible shortcomings
while installing it by the entity that did the work, complete material responsibility takes the
person to whom was entrusted installation of heating systems, and not a producer,
rappresentative or seller of the boiler.
Important notice
• Installation of the stove should be done by qualified person according to an appropriate
project. Construction of the stove allows you to connect it either to indoor or outdoor heating
system. All connections must be well sealed and fastened. Prior to starting it up, the
complete installation must be tested with water at a pressure of 3 bar.
• When installing the safety valve, please pay attention to the direct connection with water
pipes and sewer, and that valves (faucets) always stay open.
• If using a reinforced hose to connect to the drainage, it must be placed away from the back
side of the cooker.
With first ignition is necessary to examine the the proper functioning of the valve by doing the
following: overheating it up to 100 ° C on short-term basis, examining the proper function of
draft regulator and installing hot water distribution connection up to radiators and directly to
radiators.

Figure 9. Open central heating system

CLEANING AND MAINTENANCE
Regular and proper cleaning allows proper operation and long life of the stove. All cleaning
the interior or exterior surfaces are always performed in a cold oven.
Cleaning exterior surfaces - is done with a soft cloth that will not damage the surface of the
stove. Cleaners of chemical origin can damage the surface of the fire place and cannot be
used. Painted surfaces must not be cleaned with abrasive products.
Cleaning inter surfaces –when cleaning use protective gloves.
Clean the bottom of the ovenfrom accumulated ash and pick up small unburned pieces of the
grid, clean the ashtray and ash accumulated in the interior of the fireplace.
Cleaning glass surfaces - glass on the firebox may get dirthy during the operation.. For
cleaning use a mild detergent. Do not use abrasive cleaners because they can damage the
surface of the glass. Clean the glass only when cool.
Cleaning and maintenance of the chimney - chimney cleaning and control is
recommended at least once a year and after a long downtime. Regular maintenance and
control of the chimney will prevent the occurrence of fire and poor operation of the stove.

Malfunction. Recommendations for its elimination
The following table shows the most common defects and recommendations for their removal.
Table: Showing the most common malfunctions, possible causes and ways of eliminating it.
Malfunction
Possible cause
Howe to remove it
Oven heats poorly
improper handling,
Poor uptake
Read carefully and follow
the instructions.
Inthe case that despite all
instructionshave been
respected, malfunctions
are still not removed, call
the customer service
Difficulties in lighting fire
Closed regulator of air
supply,
Wet wood,
Lack of oxygene
Open the regulator of air
supplyand provide a
supply of a primary air
Use a dry wood
Ventilate a room in order
to provide a supply of
fresh air
Smoke reenters into a
room
Closed regulator of air
supply,
Insufficient draft,
Remainings of ashes on a
grid
Open the regulator of air
supplyand provide a
supply of a primary air
Read carefully the
instructions and apply
advices how to provide a
draft
Clean the grid
Glass on a firebox door
are getting sooty in a while
Wet wood
Too much fuel
Insufficient draft
Closed intake of secundary
air
Use a dry wood
Check a suggested
quantity of a fuel provided
in a user’s manual
Check a connection with a
chimney
Read carefully the
instructions and apply
advices how to provide
secundary air
Insufficiant heat of the
radiator, less then 50 °C
Improper handling
Poor uptake
Overdimension heating
system
Air in sthe system
Insufficient pump power
Read carefully and follow
the instructions.
Turn off from the system
superfuous radiators if
their power exeeds the
power which stove ggives
to the water
Relase air from the system

GENERAL RECOMMANDATION
If you have fullfield all the recommendations for installation, operation and control of
cleaning, giveen in this manual, the stove is now tested, safe device for household use.
Before installing the stove, remove the package. Be aware of potential injuries because the
wooden slats are connected with nails. Dispose a plastic bag in accordance with the
regulations. Old stove you do not want to use anymore, dispose to designated areas in
accordance with the regulations.
All complaints, perceived failure or malfunctioning stoves, should be reported to the factory
or authorized service center by telephone or in written, only with fiscal receipt. All contact
information provided at the end of this guide.
Any malfunction of the cooker, must be removed by the manufacturer’s service only.
If unauthorized persons carry out any servicing or repairs and alterations to the stove, the
owner loses the right to the manufacturer's warranty.
Supply of spare parts has to be done viamanufacturer’sservice, based on the position and
image of this manual.
The manufacturer does not assume any responsibility if the buyer fails to comply with the
instructions for use and installation of the stove.
ADVICES FOR ENVIRONMENT PROTECTION
PACKAGING
Packaging material is 100% recyclable.
For a waste disposal act in accordance with local regulations.
Packaging material (plastic bags, polystyrene parts-polystyrene, etc.). should be kept
away from children, as a potential source of danger.
Take care of safe removing and disposing of wooden boards because they are
connected with nails.
PRODUCT
The device is made of materials that can be recycled. When disposing the waste,act
in accordance with enviromental laws in effect.
Use only the recommended fuel.