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KRONOS KR 24 HM
ROOM SEALED MONOTHERMIC COMBI BOILER
INSTALLATION AND USER
MANUAL
kronos
Call Center
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CONTENTS
INTRODUCTION 1
WARRANTY AND SERVICE 1
SYMBOLS 1
SAFETY RULES AND WARNINGS 2
PRODUCT 3
General Features 4
Product Notaon 4
Technical Specificaons 4
Electrical Circuit Diagram 5
PACKAGING 6
INSTALLATION 7
Selecng the Installaon Locaon for the Appliance 7
CONNECTIONS 8
Points to Consider About Flue Connecons 9
Room Sealed Type Flue Connecons 11
Gas and Water Pipe Connecon 17
Electrical Connecon 17
Room Thermostat (Oponal) 18
STARTUP AND USE 20
OPERATING THE APPLIANCE 23
DETECTION AND TROUBLESHOOT OF ERRORS & FAULTS 25
MAINTENANCE 26
STANDARDS / INSTRUCTIONS 26
APPENDICES 26
INSTALLATION TEMPLATE 28
EC DECLARATION OF CONFORMITY 30
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E.C.A. KRONOS KR 24 HM Room Sealed Combi Boilers are designed for using central heang and
domesc hot water with efficient, safe and comfortable.
In this manual you will find installaon and usage instrucons for E.C.A KRONOS room sealed combi
boilers that can work with natural gas. Detailed informaon is given in your manual on the technical
specificaons of your appliance, the choice of the locaon of installaon, the connecons (water,
gas, flue and electricity), maintenance informaon detecon and troubleshoong of possible faults.
Please read your manual carefully to take advantage of all the features of your appliance and to use
it for a long me without any problems.
Keep all documents supplied with your appliance for reference.
*It is in compliance with the regulaons for the restricon of the use of certain harmful substances
in electrical and electronic goods.
*It does not contain polychlorobiphenyl, asbestos or mercury.
• All repairs and yearly maintenances must be done by E.C.A authorized services. Your appliance
has E.C.A service warranty for 3 years against any faults that may arise from materials and labors,
provided that the instrucons and warnings specified in the installaon and user manual are
followed.
• In order for the warranty to be valid, you must have the warranty cerficate that accompanied
the manual cerfied, with definitely adding the purchase date, by the dealer which you bought your
appliance.
• If you need any help related to the E.C.A KRONOS Combi Boiler, EMAR “the E.C.A aer sales
service organizaon” distributed naonwide, is at your disposal at any me.
• A list including the addresses of our authorized services is also provided.
• The service life determined and announced by the Ministry of Customs and Trade for the combi
boilers is 15 years.
The following symbols are placed at the necessary points in the text to draw aenon to the
important points concerning the use and installaon of the appliance. The meanings of the symbols
are described below.
CAUTION: It indicates that pecuniary or mild personal injury may result.
WARNING: It indicates that severe personal injury may result.
* These are explanaons that contain informaon that the user should
consider.
* Indicates the situaons in which the user should not intervene and for
which the authorized service is responsible.
1
INTRODUCTION
WARRANTY AND SERVICE
SYMBOLS
INFORMATION
INTRODUCTION
Page 4
- Installation of the appliance must be done by an authorized installer dealer in accordance with the
instructions specified by authorized gas companies in the installation manual (location selection, flue
connection, etc.).
- The appliance must not be installed in such a way that it is exposed directly to effects such as water
vapor, detergent vapor. No changes should be made to the flue connections without consulting the
authorized service.
- The start-up of the appliance must be done definitely by the authorized service. For the start-up of
the appliance, the gas must be opened by the authorized gas company.
- The gas type (natural gas), gas supply pressure (mbar), maximum water pressure (bar) and power
supply rated voltage (V) information of the appliance, appearing on the information label, must be
checked thoroughly for compliance with local supply requirements.
- At the end of the start-up of the appliance after installation, ask for information on operating the
appliance and the security mechanisms.
- Close the gas valve of the appliance and the valves of other gas-operated appliances.
- Turn off the stoves, ovens, etc.
- Do not light match, lighter etc. and put your cigarette out.
- Ventilate the location by opening doors and windows.
- Never touch the switches and plugs of your electrical appliances.
- Close the gas valves in the apartment and building entrances.
- Do not use the telephones in places with a gas smell.
- Please call the authorized gas company.
- Do not keep or use flammable or explosive materials near your appliance.
- Keep materials away from electrical connections during cleaning, gas leakage test, etc.
- Do not cover the air vents opening to atmosphere where your appliance is located.
- Unless the supervision and management of the use of the appliance is provided by the person
responsible for the safety of the appliances, this appliance is not intended to be used by persons with
physical, sensory or mental disabilities (including children) or with inadequate experience and
knowledge.
- Children must be kept under surveillance in order to guarantee that they do not play with the
appliance.
- Cleaning and user maintenance should not be done by unattended children.
- This appliance may be used by persons under the age of 8 years and persons with physical, sensory or
mental impairment or lack of experience and knowledge if they have been given supervision or
instruction related to the safe use of the appliance and the risks involved are understood by them.
- Always connect your appliance to a 230 V AC, 50 Hz grounded power outlet.
- Natural gas, central heating and hot domestic water installations must be ready before installation
of your appliance. The natural gas installation must be projected, approved and installed by an
authorized engineering office. The costs of all these procedures shall be covered by the user.
-When working on the connection circuits of the appliance, the power supply must be cut off.
2
CAUTION: If the combi boiler will not be started up by the
service unl winter me; the water in it must be absolutely
emped in order to prevent the combi boiler from freezing
in the cold.
SAFETY RULES AND WARNINGS
Safety Rules
In case of smelling gas;
Installaon
Installaon of the Appliance
Start-Up
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- Pay attention to the warnings in the installation and user manual. This way, misuse and the hazards
caused by it will be prevented.
- General maintenance of your appliance should be done each year at the beginning of the season.
Make sure to have E.C.A authorized services carry out maintenance procedures.
- Cleaning of the outer surfaces of the appliance should only be done with a damp cloth without using
detergent or any chemicals. Use of chemicals such as detergents etc. can cause corrosion and
contamination of your appliance.
The E.C.A KRONOS PT 24 room sealed combi boilers are intended for central heating and domestic hot
water use. KRONOS room sealed combi boilers work with natural gas.
With its design that makes service and maintenance easy, and dimensions of 720x400x330 mm, it
saves space in the places of use. It has an elegant look with its rounded lines and design.
The control panel is designed in an ergonomic structure. The operating functions, central heating
circuit and domestic water temperatures, fault status setpoints in case of possible faults, water
pressure information and current values can be viewed on the LCD.
The appliance's operating functions and safety are achieved from a single center, ‘controlboard’. The
controlboard controls the gas valve, fan, circulation pump and the 3-way valve. Presence of flame in
the burner can be monitored on the LCD screen.
The burner is made of stainless steel material resistant to temperature and thermal stresses. It works
quietly with its special design, and provides efficient and clean combustion as a result of homogenous
distribution of the gas. A perfectly insulated combustion chamber is designed in ideal dimensions
according to the burner, providing high efficiency and low gas emissions with minimal heat loss. In
addition, an aluminum recuperator has been used to transfer the thermal energy obtained by
lowering the waste gas temperature to water. In this way, more efficient operation of the device is
ensured. These features of the burner, the recuperator and the combustion chamber ensure fuel
efficiency and minimum noise level.
Three-speed circulation pump has an automatic purge valve and suitable for all installations. The
appliance has a 'pump over-run' feature that prevents heat accumulation at the installation. With this
feature, the circulation pump continues to run for a certain period of time after the need for central
heating and/or hot domestic water has ended.
High efficiency is achieved with a long-life, copper heat exchanger designed as thermal shock
resistant. In addition, there is a steel plate heat exchanger in the appliance to obtain comfortable and
efficient domestic hot water. Therefore, the installation water and the domestic water never mix.
With the safety systems in your appliance, both you and your appliance are fully safe. These safety
systems;
• Flue Safety
• Blowout Safety
• Overtemperature Safety (105°C)
• Domestic Water Overheating Safety (71°C)
• Central Heating Circuit Water Overheating Safety (95°C)
• High Water Pressure Safety (3 bar)
• Low Water Pressure Safety (0,8 bar)
• Low Voltage Safety (160V AC)
• Hot Water Accumulation Safety (by-pass cycle and pump over-run)
• Frost Safety (the electrical connection of the appliance must not be cut-off in order for the frost
safety to work.
• Pump Anti-Sticking Safety
• 3 Way Valve Anti-Sticking Safety
• Automatic Air-Purge Valve
• Expansion Tank
• Siphon Blockage Safety
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Use and Maintenance
SAFETY RULES AND WARNINGS
Safety Rules
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In gas consumption calculation; For natural gas, Hu = 9,59 kWh/m3
KRONOS KR 24 HM E.C.A. KRONOS 24 kW Room Sealed (Monothermic) -Condensing Combi Boiler
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Product Notaon
Notaon Definion
Technical Specificaons
Page 7
1. Pump PWM Interface 15. Turbine
2. Siphon Level Probe 16. Outdoor Temperature Sensor (Opt.)
3. Function Inactive 17. Pump
4. Function Inactive 18. Fan
5. Room Thermostat 19. Gas Valve
6. Gas Valve Modulation 20. Supply Inlet
7. Fan Encoder 21. 3 Way Valve
8. Temperature Sensor (CH Output) 22. Domestic Water Switch
9. Water Pressure Switch 23. Central Heating Circuit Switch
10. Water Pressure Sensor 24. On / Off / Reset / Summer / Winter Switch
11. Safety Thermostat 25. Fuse
12. Air Pressure Switch 26. Liquid Crystal Display
13. Domestic Water Temperature Sensor 27. Fault LED
14. Water Flow Switch (Opt.) 28. Ignition Electrode and Ionization
Figure 1
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Circuit Diagram
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- The appliance is delivered in a carton box with dimensions of 865 x 470 x 405 (HxWxD) mm,
supported by upper and lower styrofoams (Figure 2a).
The necessary parts for installation of the appliance (wall hanger bracket, 5 gaskets for water and gas
connections, 3 dowels and 3 fixing screws) are placed on the top styrofoam.
The parts shown in Figure 2b are optional. You can order these optional parts below from an
authorized E.C.A dealer.
• Mounting Bracket
• Central heating water connection pipes (3/4”, 2 pieces)
• Domestic water connection pipes (1/2”, 2 pieces)
• Gas Inlet Pipe (3/4”, 1 piece)
• Nipples (1/2”, 2 pieces – 3/4”, 3 pieces)
• 6 pieces of 3/4” gaskets and 4 pieces of 1/2” gaskets (for water and gas connections)
CAUTION: During shipment and storage of the appliance,
warnings on the cardboard packaging should be considered.
Figure 2a Figure 2b
Figure 2
Nipple 3/4 ‘’
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Optional:
PACKAGING
Central heang connecon
pipes
Hanger Bracket
Nipple ½ ‘’
Mounng Bracket
Domesc Water
Connecon Pipes
Gas Inlet Pipe
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- For the places where the appliance can be installed, the regulations stipulated by authorized gas
companies should be followed.
- If the appliance is installed in a cabinet, the distances required for maintenance and repair should
be at least as shown in Figure 3.
- Two air vents must be installed below and above the cabinet, the vents prevent the appliance from
heating by providing the ventilation of the cabinet. Areas of 110 cm2 for the cabinet vents directly
connected to the outside air, and 110 cm2 for the cabinet vents connected to the indoors must be
left. Since the outer surface temperature of your appliance does not exceed 85°C at maximum
heating power, special protective measures are not necessary against combustible building materials
and elements. By the authorized gas organizations, the following limitations have been set out for
the places where your room sealed appliance can be installed;
• The appliance must not be installed
In the stairwells of buildings,
• In the public use corridors of the buildings,
• On the chimney walls,
• In the light areas of the buildings.
Do not install your combi boiler in locations that will be exposed to direct sunlight. Sunlight can
cause color change on the outer surface of your appliance over time.
WARNING: The installaon locaon of the room sealed appliance and the locaon of the room sealed flue outlet must
comply with the instrucons specified by the authorized gas
organizaons.
Figure 3
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Determining Where to Install the Appliance
INSTALLATION
Page 10
Figure 4
The position of the flue outlet is one of the important points to be considered when determining
where to install the appliance. The flue outlets must be connected directly to the outer environment
and to places with air circulation.
Flue outlets must not be connected to;
• Passageways and corridors,
• Narrow eaves spaces,
• Ventilation and light spaces of buildings,
• Balconies (open or closed),
• Elevator cavities and to the underside of the protruding door parts that prevent waste gas
discharge,
• Openings that provide fresh air to other units,
• Courtyards between the buildings,
• Places that may be exposed to direct wind resistance.
• The distance from the front of the exterior roofing or wooden covering to the flue outlet must be
1,5m at least. (Figure 4a)
• Flue outlets should be protected with stainless or galvanized steel wire mesh cages in locations
where there is likely to be an impact to the flue outlet. This should be considered where there is
vehicle traffic. (Figure 4b)
• At places where people pass, for example on pavements, the flue outlet height should be at least
2m. (Figure 4c) For semi-basement buildings facing the sidewalks, this height can be at least 1m
provided that necessary safety precautions are taken.
• Where there is no human or vehicle traffic, it must be at least 0.3m high. (Figure 4d)
• For the apartments on the top floors of the buildings, conditions for the flue outlets of room sealed
appliances being directed to the light areas of the building are; the vertical direction should be
raised with original parts belonging to the manufacturer and the end point of the light area should
be reached. (The total length of the flue must remain within the permissible limits here.) In addition,
the distance between the exit point and the roof ridge, the number of apartments benefiting from
light, and the condition of the windows should be assessed.
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Points to Consider About Flue Connecons
CONNECTIONS
Distance to the roof
Places with vehicle traffic
Places where people pass
Places where there is
no human and
vehicle traffic
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• The condensing appliances should be installed with an upward slope of 1-2% to the outside so that
the condensation water does not flow out. (Figure 5a)
• The distance of the waste gas outlet to the opposite building must be at least 3m in the direction of
the waste gas discharge. (Figure 5b)
• The distance between the flue outlets of C type appliances should be at least 2.5m upward. In
addition, the waste gas outlets of these appliances must be 30 cm below the lower edge of the
window. (Figure 5c)
• “C” type devices below ground level (basement floors) can only be installed if the combustion air
and exhaust gas pipelines of each device are opening to their own ducts. The cross-sectional area of
the ducts should be at least 0.75m2 and the small side dimension of the duct should be at least
0.5m. There should be no air vents or windows opening to these ducts.
• In C type appliances, the combustion air and waste gas pipe mouths must be at a horizontal
distance of at least 5m from the fuel pumps and fuel tanks.
Figure 5 b)
Figure 5 a) Figure 5 c)
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If the appliance is installed underneath the roof or in a room under the roof/terrace,
• The flue outlet should be at least 40 cm above the rooftop. (Figures 5d and 5e)
• The ceiling must be resistant to high temperatures. The “room sealed flue group” which provides
the supply of clean combustion air and the discharge of the waste gas should be insulated with high
temperature resistant material in the roof space.
• If the ceiling is not of high temperature resistant material the “room sealed flue group” must be
insulated from the ceiling passage with incombustible material or enclosed in a separate protective
pipe.
• In order to prevent condensation in pipes, the part of the room sealed flue group remaining in the
roof space must be absolutely insulated.
Figure 5 e)Figure 5 d)
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Points to Consider About Flue Connections
After the location where the combi boiler is going to be hanged gets determined,
• Using the installation template on the last page of the device's installation and user manual, the
locations of the fixing screws of the wall hanger bracket and mounting bracket are marked.
• After drilling the marked places, the wall hanger bracket and mounting bracket are securely fixed
with the dowels and fixing screws coming out from the package of the appliance.
• After the combi boiler has been raised high enough, the hanger bracket on the rear surface of the
combi boiler is placed on the hooks on the wall hanger bracket and the combi boiler is hanged on
the wall.
Figure 6
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Room Sealed Type Flue Connections
Our combi boilers have the following room sealed flue connection options:
1. Horizontal flue connection (Ø60 / 100 mm) max. Up to 3 meters
2. Vertical flue connection (Ø60 / 100 mm) max. Up to 4 meters
If an elbow is used in the flue connections, the lengths are always reduced by 1 m when using a 90°
elbow or two 45° elbows. Up to two 90° elbows can be used. (Figure 7)
2
3
2
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Sample flue installation with single 90˚ elbow
Sample flue installation with two 90˚ elbows
Sample flue installation with single 90˚ elbow and 45˚ elbow
Figure 7
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Horizontal (Ø60 / 100 mm) Room Sealed Horizontal Flue Set (7006850049) consists of the
following parts;
1. 90° C Elbow
2. Waste Gas Plug
3. Air Inlet Plug
4. Sealing Gasket Ø 60
5. Sealing Gasket Ø 100
6. Flange Screws
7. Flue Connection Flange
8. Clamping Screw and Nut
9. Flange Gasket
10. Flue Outlet Terminal
11. Interior Wall Connection Flange
12. Exterior Wall Connection Flange
Connection of Horizontal (Ø60 / 100 mm) Room Sealed Flue Set to the Combi Boiler
Because your combi boiler is a room sealed model, it takes the air it uses from the outer environment and discharges the waste gases that form as a result of the combustion to the outer environment from the same flue group. The use and installation of the flue is very important in order to
prevent the emission of highly harmful waste gases to the environment, so the warnings must be
considered when making flue connections.
INFORMATION
• Make the flue selection for the flue connection to where your combi boiler is installed and the outer
environment. If the standard flue set is not enough for installation, choose the most suitable accessories from our list of connection accessories, taking into account the warnings mentioned in our user
manual.
• Fix the flue connection flange by screwing it into the holes on the combi boiler using the flange
gasket. (Figures 9a-9b)
• Place the two sealing gaskets, which come out of the room sealed flue set, into the inner tube
grooves at both ends of the 90° elbow.
• Fit the EPDM joint gasket to the 90° elbow in such way that it touches the limiting set inside the
gasket.
• Place the two sealing gaskets, which come out of the room sealed flue set, to the part of the elbow
where extension piece is to be mounted.
• In order to group the flue outlet terminal, fit the exterior wall gasket to the flue extension piece.
• Install the interior wall joint gasket on the flue terminal after passing the flue through the flue hole
opened on the wall. (Figure 9c)
• Fit the flue extension piece to the 90° elbow. (Figure 9d)
• Then place the 90° elbow on the flue connection flange and fasten it with the clamping screws.
(Figure 9e) Finally, after tightening the screws on the EPDM gasket that we have placed and left loose,
push the interior wall joint gasket in a way it touches the wall to ensure sealing of the wall and the flue.
The horizontal outlets should be installed with an upward slope of 1-2% to
the outside so that they do not discharge the condensation water out.
6
7
8
9
10
11
12
12
Figure 8
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INFORMATION
• It is recommended to apply silicone-based lubricant to the inner surfaces
of the sealing gaskets before joining the chimney, to ensure easy joining.
Standard thin and thick oils (grease) are not suitable for EPDM gaskets.
Points to Consider About Flue Connection Extensions
If the standart flue set which might given together with the product is in inadequate length,
additional room sealed flue accessories must be ordered from an authorized E.C.A dealer according
the need, absolutely no other room sealed flue accessories must be used.
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Figure 9a Figure 9b
Figure 9d
Figure 9e
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• (Ø60 / 100 mm) Room Sealed Flue Set Accessories Figure-10)
If the length of the flue is insufficient, additional flue accessories should be ordered from E.C.A
authorized services. Do not use different brands and types of flue set parts.
- - Horizontal Room Sealed Flue Kit Accessories (Figure 10)
a) a. L=500mm extension pipe (Ø60/100mm) (7006951562)
L= 1000mm extension pipe (Ø60/100mm) (7006951561)
b) 90° elbow (Ø60/100mm) (7006951560)
c) 45° elbow (Ø60/100mm) (7006951559)
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Figure 10
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Connection of Vertical Room Sealed Flue Set to the Combi Boiler
According to the situation of the environment you are going to install, your combi boiler also has
the possibility to be connected vertically to the flat and sloped roofs by means of the connection
accessories which it has. In flat connections height of 4m is reached with (Ø60/100mm) vertical flue
set. Length measurements are shown (in Table 4) when elbow is used.
Available fittings for vertical flue connection
1. Vertical flue kit (Ø60/100mm) (7006850108)
2. Vertical flue adaptor (Ø60/100mm) (7006850086)
3. Extension 500mm / 1000mm (Ø60/100mm) (7006951561) (7006951562)
4. 45° elbow (Ø60/100mm) (7006951559)
5. 90° elbow (Ø60/100mm) (7006951560)
6. Sloped roof adaptor (Ø60/100mm) (7006951563)
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Figure 11
Page 18
INFORMATION
Mounting bracket group is optional. If necessary, you can obtain them from
E.C.A dealers.
- The water and gas connections between the mounting bracket fixed to the wall and the combi boiler
are installed as seen with the pipe group and nipples. (Figure 18)
a) Central heating pipe 3/4” supply line (hot)
b) Domestic water pipe 1/2” outlet line (hot)
c) Gas inlet pipe line 3/4
d) Domestic water pipe 1/2” inlet line (cold)
e) Central heating pipe 3/4” return line (cold)
- Water and gas pipelines should be fitted with valves suitable for their diameters. In addition, a silt trap
should be placed on the domestic water pipe (1/2”) inlet line and the central heating pipe (3/4”) return
line and the integrity of the filter in the silt trap must be checked.
- The hose from the 3 bar safety valve must be connected to the waste water drain line.
- The connection between the appliance and the indoor gas line must be made with a flexible connector (flexible pipe).
- At least 14mm inner diameter cord and at least 16mm inner diameter pipe should be used in the
installation.
Gas and Water Pipe Connections
Vertical Flue Connections
Figure 13
61 72
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Page 19
Condensation Water Drain Connection
INFORMATION
The electrical connection cable of the appliance must be supplied in a grounded power supply line
which can provide enough voltage for the appliance (230V AC, 50Hz). Controlboard faults caused by
voltage fluctuations and absence of grounding and damage that may occur to your appliance are not
covered by the warranty.
WARNING: Care must be taken to ensure that there is absolutely no voltage on the power line when the electrical connecon of the appliance is being done.
Always connect your appliance to a 230V AC, 50Hz grounded
power outlet. If the supply cable is damaged, it must be
replaced by E.C.A authorized services.
A 2 amp bipolar fuse with a minimum contact opening of 3mm
must be used in the electrical connecon of the combi boiler.
Electrical Connection
• • In condensation combi boilers, condensation occurs during combustion. The amount of condensation water differs according to the operating
conditions of the appliance.
- The condensation water must be connected to a drain by means of a plastic hose which is connected
to the end of the siphon. The use of standard drain hose is recommended for connection to the
drain. The addition of 1 cable tie on the hose must be made for fixing.
- If the drain hose is to be connected to a drain from the outside of the building, it should be insulated
if it is necessary for the hose not to freeze.
- The condensation water drain hose and interconnection parts must be made of plastic material.
- All horizontal hose connections must be downwardly bent by 2° or 3° to ensure good flow through
the drain hose.
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Page 20
Room Thermostat (Optional)
One of the optional room thermostats that is compatible with your appliance can be used to provide
heating control of the system.
Figure 14b
Figure 14c
Figure 14d
Figure 14e
Figure 14f
E.C.A. Digital Room Thermostat Wireless,
Programmable
E.C.A. Digital Room Thermostat
E.C.A. Programmable Digital Room Thermostat
Wireless - CM707 7006901313
18
Figure 14a
E.C.A. Smart Combi Boiler Kit
Page 21
INFORMATION
Information Required for Safe and Economical Use of Your Combi Boiler
• Insulation of your building is extremely important. Significant energy savings are achieved since heat
loss is minimized in double-glazed houses with their walls sealed, and sheathing done.
• The use of thermostatic valves in your radiators ensures that the room temperatures remain
constant and fuel efficiency is achieved.
• Throttling the radiator valves in the rooms that will not be used for a long time and keeping the
doors closed reduces the fuel consumption.
• If you use your combi boiler with a room thermostat, it keeps the room temperature at the level you
set and provides less fuel consumption.
• Closing the radiator tops and fronts with furniture-like things negatively affects hot air circulation,
thus preventing the environment from heating and increasing fuel consumption.
• If you are going to leave your appliance in operation late at night, keeping the temperature of the
central heating circuit low will provide saving.
• If you feel that the room temperature is high, the radiator valves should be throttled instead of
opening windows.
• If the electricity of your appliance is disconnected on cold days, freezing which may occur in your
installation or your combi boiler may damage your appliance or installation. To prevent this, you
should not disconnect the electrical power of your device, especially on cold days.
However, if you do not need heating (for example, if you go on a short holiday for 1-2 days), you need
to bring the appliance to the OFF position so that you can use it more economically.
In the OFF position only frost protection will be active. The rumors that the bill will come higher
because the gas is consumed more when the combi boiler is turned on and off, are wrong.
Remember that the most economical way to use is to keep your appliance in the OFF position if you do
not need heating.
* Responsibility for the inconveniences resulting from the use of different
brand thermostats will not be accepted.
* The room thermostat connection is visible on the electrical circuit
diagrams. (Page 5, Figure 1)
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Page 22
INFORMATION
- When the water filling process is in progress, the installation
water pressure value is monitored in the pressure indicator
on the LCD screen of your appliance. The pressure value on
the LCD screen should be between 1-2bar. When this value is
reached, close the filling valve.
It is designed in a telescopic structure so that you can grasp
the filling tap better, you can use it more comfortably when
you pull the tap down.
* Responsibility for the inconveniences resulting from the use of different
brand thermostats will not be accepted.
* The room thermostat connection is visible on the electrical circuit
diagrams. (Page 5, Figure 1)
STARTUP AND USE
Last Controls and Actions to Perform Before the Start-Up
CAUTION: Definitely close the water filling valve. If it is le
open, the installaon water may leak and damage the envi-
ronment.
CAUTION: It is recommended that you do not use well
water, natural spring water, etc. except the mains water
to prevent calcificaon of the heat exchanger.
20
1) Filling water in the combi boiler and water installation
- First of all, the electrical connection of the combi boiler is made.
- All the radiator valves are opened.
- The valves of the supply and return lines of the combi boiler must be open. Check.
- After this, start the water filling process by opening the filling valve slowly.
- Whether or not there is air in the central heating circuit is checked from the purge valves on the
radiator. For fully efficient heating all air should be discharged from the installation.
- After the air discharge has been done, check the water pressure on the LCD screen again. In case
the pressure decrease, repeat the water filling procedure.
- Finally, check for leaks in the radiators, the installation pipes and the connections.
Page 23
INFORMATION
At the end of the start-up of the appliance after installation, ask for information on operating the appliance and the security mechanisms.
The start-up of the appliance must be done definitely by the authorized
service.
2) Check the domestic water installation by opening the hot water tap. Look for any leakage in
the installation pipes.
3. The waste gas flue group must be assembled from the original parts in accordance with the
instructions.
IT IS IMPORTANT,
The electrical connection of the appliance must be connected to a grounded power supply line
which can provide enough voltage for the appliance (230V AC, 50Hz).
The gas line must be controlled by the authorized gas company and open.
After all these operations are completed, the authorized service must be called for the start-up of the
appliance.
In the event of a gas leak in your home, immediately
switch off the gas valve or the tube regulator. Venlate
the place. Call the gas company or the authorized service.
21
Page 24
Domestic Water
Temperature-Regulating
Switch
Central Heating Water
Temperature-Regulating
Switch
Position
Selector Switch
LCD SCREEN
1) Position Selector Switch
Turning your device on/off allows you to select and reset the summer/winter position.
Winter Position: Turn the position selector switch to the symbol “ ” in the left direction. In this
position, you can provide that the central system does heating and at the same time your domestic
water gets heated.
Summer Position: Turn the position selector switch to the symbol “ ” in the right direction. In this
position, you can only provide that your domestic water gets heated.
Shutdown Position: Set the position selector switch to the “RESET/OFF” position. Operation of your
appliance will end in this position.
Reset Position: When there is a fault in your appliance, a reset message will appear on the left side
of your LCD screen along with the “RESET” symbol. In this case, turn the position selector switch to
the “OFF - RESET” position and wait for 5 seconds, then switch it to the summer or winter position,
at which you want to make it operate. If the fault persists, repeat this operation several times.
If the fault still persists despite resetting, consult our nearest E.C.A services.
2) Central Heating Water Temperature-Regulating Switch
You can select a comfort temperature you want from 30°C to 80°C by turning the central heating
water temperature-regulating switch between min. and max. while your position selector switch is in
the winter “ ” position.
3) Domestic Water Temperature-Regulating Switch
You can select a domestic water temperature between 35°C and 64°C by turning the domestic water
temperature-regulating switch between min. and max. while your position selector switch is in the
summer “ ” or winter “ ” position.
CONTROL PANEL
Şekil 15
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Hot Domestic Water
Enabled
Parameter Menu Setting
Enabled
LCD Screen:
You can see all the operation functions on the LCD screen of the control panel of the appliance. When
the appliance is turned off, there will be no image on the LCD screen. When your combi boiler is operating in the central heating mode, the symbol “ ” will be displayed on the lower left corner of the LCD
screen and the water temperature in the central heating system will be displayed digitally.
OPERATING THE APPLIANCE
Winter Position: Move the position selector switch to the winter position. (Figure 16) In this position
you can meet both your needs for the use of the central heating and hot water. Central system heating
temperature can be set between 30°C and 80°C by means of the central heating water temperature-regulating switch and between 35°C and 64°C with the domestic water temperature-regulating
switch.
With the operation of the appliance, the LCD screen gets lightened, the appliance completes its preliminary checks and starts burner by igniting. In this way, the appliance gets activated to supply both
central heating and hot domestic water. During the opening of any faucet in the hot water usage
circuit, the appliance stops the central heating and gives priority to the use of hot water, when the
faucet is turned off, the central heating continues automatically.
If the central heating circuit and the hot water usage are not required when the boiler is in the winter
position, the “ ” and “ ” icons light up constantly on the screen. After setting the set temperature,
which will be done with the hot water usage switch or the central heating circuit switch, the set
temperature is displayed on the screen for 5 seconds.
Figure 16
23
Installation
Pressure Value
Central
Heating
Enabled
Figure 19
Central Heating or
Domestic Water
Flame Symbol
Fault
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After the burner performs the ignition, “ ” appears on the screen. If there is a request for heat in the
central heating circuit, the symbol “ ” blinks and the symbol “ ” lights steadily. If there is a need for
domestic water, the symbol “ ” lights up constantly, and the symbol “ ” blinks. To turn off the
appliance, set the position selector switch to the “OFF” position.
Summer Position: Move the position selector switch to the summer position. In this position, you can
only meet your need for hot water use. You can select the domestic water temperature between
35⁰C-64⁰C by means of the domestic water temperature-regulating switch. When you take the position
selector switch in the summer position, the appliance waits ready to get activated. During the opening
of any faucet in the hot water usage circuit, the appliance operates to provide for the hot water need,
when the faucet is turned off, the appliance stops its operation automatically.
When your combi boiler is in the summer position, only the symbol “ ” appears on the screen, the
symbol “ ” does not appear. If there is no demand for hot water in the summer position, only the
symbol “ ” lights steadily on the screen. When hot domestic water is demanded, the symbol “ ”
on the screen will start blinking. To turn off the appliance, set the position selector switch to the “OFF”
position.
During the winter season, when the installation water outlet temperature drops below 6°C, the frost
protection function gets activated and the appliance continues to operate until the water temperature
rises to 15°C.
In order for the frost protection function to work, the following conditions must be checked and
provided by the customer.
1. The power supply of the appliance must be switched on.
2. The gas valve and the radiator valves must be open.
3. The system water pressure should be on.
Pump & 3-Way Valve Blockage Protection Function
Blockage protection protects the pump against possible blockage if the pump does not operate for a
long time, this function protects the pump against blockage by operating the pump for 5 seconds every
24 hours, as long as your device is connected to the electrical circuit. The same applies to 3-way valves,
as long as your appliance is connected to the electrical circuit, 3-way valve protection protects against
blockage by providing directional change if the 3-way valve has not changed direction in the last 24
hours.
Figure 17
CAUTION: The frost protecon funcon only protects your
appliance and does not protect your installaon.
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DETECTION AND TROUBLESHOOT ERRORS & FAULTS
Various controls are available for safe operaon of the appliance. The differences in the control values that
the system encounters during these controls are being performed will visually alert you on the LCD screen
on the control panel of the appliance (Figure 21). You can see detailed informaon about the error and
fault codes in the explanaons in Tables 9 and 10.
The safety of the appliance has been provided in two types (For example F1 and F4 codes).
a) If an error condion occurs, your device will go into the lock posion. In this case, the error code will
appear on the LCD screen to alert you. In this case, move the posion selector to the “OFF-RESET” posion
again aer the summer or winter posion and wait for 5 seconds. If the fault persists aer you return to
the summer or winter posion, consult our nearest E.C.A services.
b) In the event of a fault, the device will switch to the blocked posion. If it is blocked (F2, F3, F5, F6 and
F7), the fault can not be reset and the cause of the fault must be eliminated.
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Figure 18
Error Codes
F1- Overtemperature locking
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OC: Indicates that the outdoor air sensor is enabled.
CC: Indicates that the outdoor air sensor is disabled. This is not an error / fault code, this information
is displayed on the LCD screen when the combi boiler is re-energized.
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Maintenance Reminder Note: It is the mode that reminds you that the appliance has
reached its annual maintenance time. When this mode is active, the text “SE” appears
on the screen and it fulfills the heating requirements without disruption. If you see
the text “SE”, please contact E.C.A authorized services for annual maintenance. If you
do not want to have maintenance done, you can remove the “SE” warning by
performing a Reset.
Table 6
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MAINTENANCE
General maintenance of your appliance should be done each year at the beginning of the season. Make
sure to have E.C.A Authorized Services carry out maintenance procedures.
Cleaning of the outer surfaces of the appliance should only be done with a damp cloth without using
detergent or any chemicals. Detergents and chemical substances can cause corrosion on your appliance.
ALL RIGHTS RESERVED.
Our company reserves the right to make changes without prior noce on the manufactured products, user
and installaon manuals.
STANDARDS / INSTRUCTIONS
In addion to the warnings and instrucons on installaon and use of the appliance described in this
manual, all laws, regulaons, standards and local gas company instrucons on gas-powered appliances
must be strictly adhered to.
YOU CAN EXTEND THE WARRANTY PERIOD OF YOUR COMBI BOILER!
PLUS WARRANTY
You can extend the warranty period of your appliance by from 1 year to 3 years by taking advantage of the
"Plus Warranty" service within 4 months from the date of the start-up of your combi boiler. In the event of
a fault occurring in your combi boiler during the extended warranty period (Plus 1, 2, 3), there will be no
addional charge for labor, spare parts and travel costs.
Once a year during the contract, general maintenance of the combi boiler can be performed free of charge
by E.C.A authorized service.
WARRANTY STARS
You can get your E.C.A combi boilers that you use safely, of which the warranty periods have expired,
within the scope of warranty again for between 1 and 3 years depending on your request. With the
Warranty Stars extended warranty contract, up to 3 years, maintenance of your combi boiler, of which the
warranty period has expired, is performed without charges for replacement parts, labor and travel costs.
One general maintenance service is offered free of charge every year.
In addion, applicaons that you make to our Call Center line 444 0 322 for 24 hours are answered within
3 hours and service is provided to your combi boiler.
Note: this warranty is valid for your maximum 10 year old combi boilers and in the cies where natural gas
is used.
APPENDICES
1) Pump water pressure head characterisc curve (Pump head - flow rate)
Flow Rate
27
Figure 19
Flow Rate - Pump Head Curve
Head
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EMAS MAKİNA SANAYİ A.Ş.
AT UYGUNLUK BEYANI
EC DECLARATION OF CONFORMITY
Üretici/Manufacturer: EMAS MAKİNA SANAYİ A.Ş.
Adress : Mustafa Kemal Bulvarı Organize Sanayi Bölgesi
3.Kısım No: 13, 45030 MANİSA-TURKEY
Tel : +90 236 213 00 21 pbx Faks : +90 236 213 08 59
Onay Kuruluşu/Notified Body: 0085-DVGW CERT GmbH,
Belge No / Certificate Number: CE-0085CS0381
Josef-Wirmer Str. 1-3 53123 Bonn,Germany
Ürün Tanımı/Product Description: Hermetik, Monotermik, Reküperatörlü Yoğuşmalı Kombi
Room Sealed, Monothermic, Condensing Boiler With Recuparator.
Tip Tanımı/Type Designation: KRONOS KR 24 HM
2009/142/AT Gaz Yakan Cihazlar Direktifi /
Gas Aplliances Directive 2009/142/EC
EN 15502-1
2016/426 GAR Gaz Yakan Cihazlar Regülasyonu / EU Regulation on Appliances Burning Gaseous
Fulels: EU/2016/426, EN 15502-2-1
Belirli Gerilim Sınırları İçin Tasarlanan Elektrikli Ekipman İle İlgili Yönetmelik (2014/35/EU)
/ Low Voltage Directive 2014/35 EU
EN60335-1, EN 60335-2-102
Elektromanyetik Uyumluluk Yönetmeliği 2014/30/AB / EMC Directive 2014/30/EU
EN 55014-1, EN 55014-2, 61003-2, 61003-3, 61000-4-2, 61000-4-3, 61000-4-4, 61000-4-5,
61000-4-6, 61000-4-11
Aşağıda imzası bulunan şirketimiz yukarıda adı, tipi ve modeli belirlenen cihazları, ekte yer alan
B/18/01/2576 EU numaralı rapor dahilinde ilgili standartlara, AT Gaz Yakan Cihazlar ve AT Sıcak Su
Kazanların
ın Verimlilik Yönetmeliklerine uygun olarak tasarlayıp ürettiği beyan eder.
The undersigned company certifies under its sole responsibility that the item of equipment specified
above has been designed, manufactured, inspected and tested as required by the relevant provisions of
the EC Gas Appliances Directive and the EC Boiler Efficiency Directive based on the enclosed pages
of the EC type examination report No: B/18/01/2576 EU
Yetkili olmayan kişiler tarafından yapılan değişiklikler ya da uygun olmayan kullanım şekilleri bu
beyanı geçersiz kılar. / Any unauthorised changes to the supplied products and/or any improper use
invalidates this declearation of conformity.
Üretici adına imzalayanlar / Signitures on be half of the manufacturer :
İsim / Name : Ali YURTERİ Emek DOĞAN
Görevi / Position:
Kalite Sistemleri Müdürü Fabrika Müdürü
Quality Assurance Manager Factory Manager
Yer, Tarih: Manisa, 11,01,2018
Place, Date
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7006850147
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