Termofor Angara 2012, Angara 2012 Vitra Operation Manual
Angara 2012
The wood-burning sauna stove
OPERATION MANUAL
Made in Russia
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Warmth comes from Siberia
Thank you for purchase of «Termofor» Company’s products.
This maintenance manual is intended to learning of work principle, operating rule and service regulations of
the wood-burning sauna stove «Angara 2012» (hereinafter – the stove). The maintenance manual contains
instructions needed for correct and safe operation of the stove.
Persons will be allowed to installation and operation of the stove after learning this manual.
With regards,
The company «Termofor»
This document is protected by copyright law. Whole or part reproduction of this document is banned
without preliminary notice and receipt of permission from the company «Termofor».
The company «Termofor» reserves the right to make modifications in the construction of the stove
which do not decline the useful quality without updating its accompanied documentation.
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TABLE OF CONTENTS
1. Application ........................................................................................................................ 4
2. Design features .................................................................................................................. 4
3. Characteristic of existing heat-resistant steel. Expressions and commentaries ................. 4
4. Model series ...................................................................................................................... 5
5. Specifications .................................................................................................................... 5
6. Stove structure and operation ............................................................................................ 8
7. Marking and packing of the stove ..................................................................................... 10
8. Suitable application ........................................................................................................... 10
9. Servicing ............................................................................................................................ 25
10. Current repair .................................................................................................................... 26
11. Warranty ............................................................................................................................ 28
12. Storing ............................................................................................................................... 28
13. Carriage ............................................................................................................................. 28
14. Utilization ........................................................................................................................... 29
15. Delivery set ....................................................................................................................... 29
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1. APPLICATION
The wood-burning sauna stove «Angara 2012»for heating of sauna’s steam room and its adjacent
rooms. Also, the stove is destined for steam generation and water heating.
The stove is destined for private use in Russian sauna and renders possible to get all comfortable
combinations of temperature and humidity of air.
ATTENTION! If using of the stove «Angara 2012»for commercial purposes and, also,
continuous heating of stove for more than 10 hours, when working load will increase sixtenfold. Period of working time of the stove greatly is reduced at such conditions and
manufacturer declines all warranties.
2. DESIGN FEATURES
In closed stones section heated by a circular flame flow, the stones are heated to a temperature of
600 ° C.
Water is supplied into the hottest central part of the closed stones section through a funnel .
It is comfortable to steam a sauna whisk on traditional open heater.
The concept of thermal strength uniformity implemented in the stove. The firebox parts thickness
at the greatest thermal and mechanical load is increased by 1.5 times. The stone section bottom and
the firebox sidewalls reinforced with stringers made of heat-resistant steel.
The heat exchanger of new design for hot water allows its heating directly by flame radiation,
rather than through the stove wall.
Large translucent screen and expanding fuel channel provide tocomfortably overlookthe flames
from different angles ( in "vitra" modification).
Updated attractive design. Decorative exterior elements are made using modern technology.
3.CHARACTERISTIC OF EXISTING HEAT-RESISTANT STEEL.
EXPRESSIONS AND COMMENTARIES
Heat-resistant or scaling resistance means capacity of metal to stand against corrosive attack of gases
at high temperatures (not to be confused with high-temperature strength).
Heat-resistant of steel is enhanced by chrome doping. Chrome creates an inactive film on a surface of
steel, which does not be subjected by corrosion till limiting temperature called as temperature of oxide scale
formation beginning.
Heat-resistant of steel and temperature of oxide scale formation beginning rises with increase of
chrome content.
Steel is deemed heat-resistant when it contents mass fraction of chrome 13 % and more.
Steel divides into low-alloyed, medium-alloy and highly alloyed depending on alloying elements
content.
Steel is deemed highly alloyed when it contents alloying elements 10% and more.
Colloquially, popular phrase "stainless steel" is not standardized expression. Expression "corrosion
resistant steel" corresponds with this expression in modern materials science.
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A key differentiator of corrosion resistant steel is chrome content 12,5% and more.
Steel used in manufacture of stoves «Angara 2012» - is heat-resistant, highly alloyed,
corrosion resistant (stainless) in accordance with above stated characteristics.
Temperature of oxide scale formation beginning of applied steel is not less 750C, and it is confirmed
by certificates of manufacturers.
For comparison: temperature of oxide scale formation beginning of constructional or "carbon" steel is
no more than 400C, it is greatly low than temperature of walls of functioning wood-burning stove.
Heat-resistant steel is more expensive than traditionally applied "carbon" steel. Its share in
manufacturing costs of stove corresponds near 50%. Therefore, in the process of selection chemical
compositions of steel, a manufacturer excludes those alloying elements and technical operations its
processing which don't increase heat-resistance and lead to unjustified increase in the cost.
Stereotypical perception of stainless steel as mirror surface is erroneous. Mirror surface of household
stainless steel products is achieved by special expensive removal of dark oxide film from surface of sheet.
This action is not needed under manufacture of wood-burning stoves.
The manufacturer considers that buyers of stoves «Angara 2012» shall only pay for those special
characteristics of steel which are needed for its using into wood-burning stoves.
Upon storage and operation of stoves in condition of higher humidity, traces of surface corrosion on
non-painted area are allowed. These traces don't influence upon operational characteristics of product.
4. MODEL SERIES
Basic models «Angara 2012» and «Angara 2012 Vitra» are produced in lots. These models have
general design features and operating principle. Differences between models consist in dimensions, the type
of the fuel channel and door.
The model «Angara 2012» has modification with a short fuel channel.
All models can be completed by an integrated heat-transfer device. The stove has various color
version of a convector.
5. SPECIFICATIONS
Specifications are presented in Table 1. Overall sizes of stove are presented in figures 1-3. Installation
dimensions of the stove (aperture under fuel channel) are presented in clause 8.6.
There are following acceptable fuel types: fuel wood, peat briquette, woodchip briquette for enclosedtype heaters.
Recommended volume of hot-water tank of a samovar type «Baykal» is 55-72 l. Recommended
volume of outboard hot-water tank is 63 l.
Heat time of a vapor room from 20C till 100C is approximately 60 min subject to correct thermal
protection.
ATTENTION! Hot-water tanks and heat exchange unit of samovar type «Kostakan»
aren’t included into delivery set.
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The capacity of built-in heat exchange unit (for the model with the heat exchange unit) equals to 0.65l.
The size of the connecting thread of heat exchange unit fitting equals to G3/4. Mounting dimensions are
presented in figure 2.
Table1. Specifications of the stove with stones section «Angara 2012» and «Angara 2012 Vitra».
Model
Angara 2012
Angara 2012 Vitra
Calculated capacity size for space heating, CBM
8-18
Width, mm
415
500
Depth, mm (total)
830
850
Depth, mm (without including length of a fuel
channel)
595
595
Height, mm
900
900
Mass, kg
58
65
Capacity size of stones section, l
42
42
Mass of loaded stones, kg
70
70
Capacity size of combustor, l
40
40
Maximum capacity of fuel load, l
30
30
Maximum length of a log, mm
500
500
Diameter of attachable a flue, mm
115
115
Minimal height of a flue from fire-bar, m
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ATTENTION! Maximum capacity size for space heating is determined by terms of
providing with effective convection heat transfer and standards of overall thermal
resistance of walling by SNIP (СНиП) (construction norms and rules) 23-02-2003.
Figure1. Overall sizes of the stove «Angara 2012»
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Figure2. Overall sizes of the stove «Angara 2012 Vitra».
Figure3. Overall sizes of the stove « Angara 2012» with a short fuel channel.
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6. STOVE STRUCTURE AND OPERATION
«Angara 2012» stove designed for operation in the intense combustion mode while temperature
increasing in the sauna room, and in the economy combustion mode to maintain the selected temperature.
The stove overall look and the main elements layout are shown in Figure 4.
«Angara 2012» stoves's firebox and stones section (1) made of heat-resistant high-alloy steel with a
chromium content not less than 13% with the wall thickness of 3 mm.
«Angara 2012» stove design scheme provides effective heat exchange. The stove stones section
consists of two components: an external open section (1), divided into two parts and internal closed one (7).
A special funnel provided for water supplying into the inner section (6).
External stones section (1), divided into two parts, provides the best use of heated stones mass and
temperature stability in the steam room. The large mass of stones laid into the internal section is a powerful
steam generator.
The internal stones section round shape protects against soot accumulation on the firebox walls.
Convector casing (2) covering the stove heating surfaces accelerates air heating in the steam room
forming a strong convection flow. Besides of that, it shades hard infrared radiation emitted from the hot
firebox walls, which creates soft warmth in the steam room and serves to protect against accidental contact
with the stove during its operation.
Through the special duct (8) secondary air is supplied into the stove flue ducts for exhaust gases postcombustion and the stones section effective heating.
Outside-mounted fuel channel allows the stove firing in an adjacent room. Model with a short fuel
channel is for those who prefer to fire the stove inside the steam room.
Firebox door, rotating hinged opens at an angle required for a comfortable and safety fuel loading.
«Angara 2012 Vitra» model door manufactured in two interchangeable versions: the steel door (11)
with an outer panel self-cooling property and the door of the original design with translucent screen made
of heat-resistant glass SchottRobax ® (12).
«Angara 2012 Vitra» model completed with a panoramic fuel channel (4) and the door with
translucent screen made of heat-resistant glass SchottRobax ® with diagonal of 17cm (3). There is a gap in
the upper part of the door for pyrolysis self-cleaning of the translucent screen from soot settling.
Heat-resistant glass screen allows you to monitor combustion process and simply enjoy living fire.
The fire-bar (9) made of solid cast iron installed in the lower part of the firebox. The ash box with
sliding ash drawer (10) is under the firebox.
With the stove operation, primary air required for combustion is supplied through the ajar ash drawer
(4) and bar (9) to the fuel. The bar provides combustion process acceleration and a powerful hightemperature flame at the ignition moment. It provides a uniform wood burning which is so necessary for a
bathhouse stove.
Ash falls into the ash box through the gaps of the bar and you can easily clean the stove without
combustion process interrupting.
Combustion gases are directed into the chimney through the flue pipe with diameter of 115 mm.
In the model with a heat exchanger the exchanger mounted within the firebox on the sidewall, there
are symmetrical openings closed with plugs on the firebox opposite wall. The heat exchanger provides
water heating in the outside tank and its location inside the firebox accelerates heating process greatly.
The stove components without large thermal load are made of structural steel.
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The stove outer surface is covered with a heat-resistant organosilicon enamel of KO-868 type
ATTENTION! The manufacture reserves the right to introduce changes into the sauna
stove design not impairing its consumer properties.
«Angara 2012 Vitra»
«Angara 2012»
1. External stones section
2. Convector casing
3. Door with translucent screen made of heat-
resistant glass SchottRobax ® with diagonal of
17cm
4. Panoramic fuel channel
5. Chimney (chimney flue. It is outside the scope
of supply)
6. Special funnel for water supplying into the
inner section
7. Internal closed stones section
8. Fire box
9. Cast iron stove bar
10. Ash box with sliding ash drawer
11. Steel door
12. Door with translucent screen
Figure 4. layout of the main elements of the stove ―Angara 2012‖. Modification with heat exchange unit.
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7. MARKING AND PACKING OF THE STOVE
7.1. Marking
On a stove there is an information code plate with details about a model of a stove, its mass, factory
serial number, production date of a stove and other technical features, and also the information on
certificates for this model.
7.2. Packing
A stove is packed in a transport pack. Maintenance manual in a packaging bag and components are
enclosed in the stove combustor.
On a pack of a stove at the front part there is a label with information about a model of a stove, its
mass, design features and production date.
7.3 Procedure of remove the packaging by a consumer
1. Cut a packing tape
2. Remove cardboard boxes
3. Remove a polyethylene
4. Pull from a stove maintenance manual and components (if available) and take off a packing
5. Take away blocks and turn off fixing bolts
6. Remove advertising stickers from a surface of a protective film.
8. SUITABLE APPLICATION
8.1. Operational constraints
ATTENTION! Don’t use the stove for industrial premises of categories A (А), B (Б), V (В)
of fire and explosion safety in accordance with NPB (НПБ) 105-95 (classification of
premises and buildings of fire and explosion safety).
ATTENTION! Don’t use matters as fuel which aren’t mentioned under point 5.
ATTENTION! Expressly prohibited using charcoal and coal briquettes as fuel.
ATTENTION! Don’t use alcohol-containing means, benzene, kerosene and other highly
inflammable matters for ignition. Don’t use a glossy paper, trimmings of wood particle
boards, laminated flooring board, orgalite because these matters would evolve noxious
substances under burning, and would be cause of outburst and damage of a stove.
ATTENTION! Don’t use the stove with an empty heat exchange unit and a hot-water tank
or an unconnected system of water heating (if available).
ATTENTION! Don’t use the stove inappropriately.
ATTENTION! Don’t use the stove in autohouses, trailers and tents.
ATTENTION! Don’t commit overheating of the stove at the time of its operation.
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