HIGH EFFICIENCY CONDENSING BOILER

Transcription

1 HIGH EFFICIENCY CONDENSING BOILER SCOT SC 24 HM INSTALLATION AND USER S OPERATING INSTRUCTIONS E.C.A. Call Center

2 İÇİNDEKİLER PREFACE... 1 GUARANTEE & SERVICE... DEFINITIONS OF SYMBOLS... SAFETY INSTRUCTIONS AND PRECAUTIONS PRODUCT... 3 General Specifications... Notations Of Product... Technical Data... BOILER PACKAGING INSTALLATION Selection Of The Boiler Location... Mounting The Boiler... CONNECTIONS... Condensate Connection... Flue Connection... Gas Supply & Water Systems... Electricity Supply... COMMISSIONING... Final Checks And Operations Before Boiler Start-up... Information Required for Safe and Economic Usage of Your Boiler... Control Panel Combustion Check & Gas Valve Adjustments... GAS TYPE CONVERSION... FAULT & FAILURE FINDING... MAINTENANCE... STANDARDS AND REGULATIONS... APPENDIX... MOUNTING TEMPLATE... EC DECLARATION OF CONFORMITY

3 INTRODUCTION E.C.A. Scot 24 kw condensing boilers have been designed for an efficient, safe and comfortable central heating and domestic hot water requirement. Scot 24 kw condensing boilers have the ability to operate with natural gas or LPG. The assembly and usage information of 24 kw Scot condensing boilers are available in this manual. Detailed information have been provided in the guide regarding the technical specifications of the devices, selection of the boiler location, fitting its water, gas, flue and electric supply connections, gas conversion, maintenance information and resolution of possible failures. Please carefully read the manual in order to benefit from all the features of your device. Keep all the documents provided by your device in order to refer when required. GUARANTEE AND SERVICE The appliance has guarantee period against faulty workmanship or material in condition that the instructions and precautions in this manual must be obeyed. The service operations and general maintenance must be carried out only qualified person. The warranty certificate must be registered by Service in the installation day. Your appliance needs not any repairs if operated according to this manual. For assistance for additional information, consult qualified person, installer or gas supplier. DEFINITIONS OF SYMBOLS The following symbols have been placed at required points in the text in order to draw attention to significant points regarding the usage and assembly of the device. The meanings of the symbols have been specified below. CAUTION: Means that material or slight individual damage may arise. DANGER: Means that severe individual damage may arise. Explanations containing information that should be considered by the user. Indicates that the situation that can only be interfered by qualified person. This appliance is not intended for use by person (including children) with reduced physical, sensory and mental capabilities or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance. 1

4 SAFETY INSTRUCTIONS AND PRECAUTIONS Safety Instructions When a gas leak is found or suspected; - Turn off the gas valve of the boiler and the valves of all other devices operating with gas. - Shut off the stove, oven and similar appliances to put their flame out. - Do not light matches, lighter etc, and stub out your cigarette. - Ventilate the environment by opening the doors and windows. - Do not touch the buttons and plugs of electrical devices. - Turn off gas supply at the gas meter - Do not use the phones at places where the gas leak is suspected. - Call your qualified person as soon as possible. Do not place and use flammable and explosive liquid or materials around the boiler. Keep materials such as water, foam away from electrical connections during operations such as cleaning, gas leak test etc. Do not lay the LPG container down Do not block air vents, openings made in the walls of the room which provide fresh air to the installation room. Water Systems & Gas Supply Line Before installation of the boiler, the water systems (CH & DHW circuit) and gas supply line must be completed in accordance with the relevant regulations and standards by user. Gas Type Conversion The appliances should be purchased depending on operating gas type. In case of a demanding gas type conversion, this is made with charge. Gas type conversion should be performed by the authorized service. Gas leak test should be made after the conversion operation. The self-adhesive conversion label must br placed on the boiler after gas type conversion. Installation The boiler must be installed in accordance with national and local requirements, gas safety regulations, relevant standarts and this manual by qualified installer. The appliance should be mounted against a closed wall. The appliance should not be positioned having direct contact to steam or gases. Any change of flue position must not be made without consulting qualified person. 2 Ambient temperature of the room where the boiler installed should be between 5 35 C. Boiler Start Up Boiler start up must be performed certainly by qualified person. Gas Type (Natural Gas / LPG), gas supply pressure (mbar), maximum DHW operating water pressure (bar) and electricity supply voltage on the information plate must be suitable with mains supply conditions. This is checked by qualified person. Before connecting the flue, siphon must be filled with water to prevent the risk of the flue gases

5 escaping into the installation room. After boiler start up, you should request information about operating the boiler and safety precautions from qualified person. Usage and Maintenance Read carefully instructions and precautions in this manual against wrong usage which causes unsafe conditions. The boiler should be checked and serviced for general maintenance once a year. Maintenance and service operations must be carried out only qualified person. Only a damp cloth should be used for cleaning the outer surface of the boiler and then the surfaces should be dried completely. Do not use chemical substances or solutions which cause rust and scratches in your appliances. PRODUCT General Specifications SCOT high efficiency condensing boilers have been designed for providing efficient, safe and comfortable central heating (CH) and domestic hot water (DHW). The boilers are suitable for only room sealed operation and are supplied for use with both natural gas and LPG. Main board provides all the functionality and safety of the boiler. The board drives gas valve, fan, pump and 3-way-valve. Flame in burner is checked regularly. The control panel has been designed ergonomically. Scot condensing boiler having visualized plastic control panel and advanced LCD display provides ease for user and service. Operation modes, actual and setpoint CH, actual and setpoint DHW, parameter menu, Error Codes can be seen on LCD display. There are two DHW option; Comfort Mode (Adaptive pre-heating control) / Normal Mode Comfort mode keeps the domestic water in a preheated condition depending on the user s habit. The DHW habit of the user is recorded. These recorded data is taken into account to control preheat function the next day at the same time. (24 hours later) Normal mode is for the economical DHW control, ie. Without DHW preheat. The safety systems in your appliance provide entire safety for you and your appliance. The safety systems are; Flue Gas Over-heat Safety System (105 C) Flame Failure Safety System Boiler Over-heat Safety System (2 levels: 95 C and 105 C) DHW (Domestic Hot Water) Over-heat Safety System High Water Pressure Protection System (3 bar) Low Voltage Protection System (160 VAC) High Voltage Protection System (260 VAC) CAUTION: The device can cause vital dangerous situation and material damage incase of misuse or inapropriate usage. EMC (Electromagnetic Compatibility) Filter 3

6 Thermal Accumalation Protection System (with by-pass circuit and pum p over-run ) Frost Protection System (The appliance must be on stand-by to activate the frost protection Water Flow Inspection Pump Dry Run Protection System (0,3 bar) Pump Anti-sticking Function 3 Way Valve Anti-sticking Function Automatic Air Vent Expansion Vessel (8-10 liters) Stainless Steel Exchanger 2. Air / gas manifold 3. Frequency Controlled Fan 4. Pump 5. Hydraulic circuit flow manifold 6. Gas Valve 7. Water Pressure Sensor 8. Central Heating Outlet NTC Temperature Sensor 9. Central Heating Return NTC Temperature Sensor 10. Turbine 16 Figure Air/Gas Mixer 12. Manual air vent 13. Ignition Electrodes 14. Ionization Electrode 15. Flue Gas NTC Sensor 16. Hydraulic circuit return manifold 17. Ignition 18. Expansion vessel 19. Siphon 20. Plate Heat ExchangerThermal cut-off C 21. Thermal cut-off C

7 Notations Of Product Notasyon SC 24 HM Açıklama E.C.A. Scot High Efficiency Condensing Boiler - 24 kw Central Heating Output (60/80 0 C) - 26 kw Domestic Hot Water Output (60/80 0 C) Table 1 Technical Data Scot high effieciency condensing boilers are suitable for only room sealed (C Type) operation. C type boilers C13(x), C33(x), C43(x), C53(x), C63(x), are air independent gas appliances. Required fresh air for combustion is provided independently from the installation room by the air supply ducts and products of combustion is discharged by the flue gas ducts. 5

8 SC 24 HM Gas Category II 2H 3B/P Type C13(x), C33(x), C43(x), C53(x). C63(x). C83(x) Gas Type G20 G30/G31 Unit 6 Central Heating CH Min. Heat Output (80/60 0 C) 4,8 4,8 kw CH Max. Heat Output (80/60 0 C) 24,1 24,1 kw CH Min. Heat Output (50/30 0 C) 5,3 5,4 kw CH Max. Heat Output (50/30 0 C) 26,6 26,6 kw CH Min. Heat Input 5 5 kw CH Max. Heat Input kw Domestic Hot Water DHW Min. Heat Output 4,8 4,8 kw DHW Max. Heat Output kw DHW Min. Heat Input 5 5 kw Max. Thermal Load kw Gas Consumption* Natural Gas (at Max. Lad) 2,616 m 3 /h Natural Gas (at Min. Load) 0,506 m 3 /h Propane (at Max. Lad) 1,92 kg/h DHW Max. Heat Input 0,41 kg/h Gas Supply Pressure Natural Gas (G20) 20 mbar Propane (G31) 37 mbar Domestic Hot Water Min. Operating Pressure 3 l/min Max. Operating Pressure 12 (for t=31 ) l/min Operating Pressure (for t=35 ) 10,6 l/min Min. Water Pressure 0,4 bar Max. Water Pressure 10 bar Set Temperature Range C Central Heating Circuit Min. Operating Pressure 0,8 bar Max. Operating Pressure 3 bar Set Temperature Range C General Electric Supply 230 AC - 50 Hz VAC/Hz Electrical Power Consumption 125 watt Expansion Vessel 8 liter Dimensions (H W L) 750x454x378 mm Weight (Net) 40 kg * For gas consumption calculation; Natural Gas: Hu=9.59 kwh/m³ LPG (Butane/Propane): Hu= kwh/kg Propane Hu=12.91 kwh/kg Table 2

9 kr kr sy tr sr gr by kh tr tr kr ys kh kh ys Elektrik Devre Şeması gr sr kr sy by mv mv 22 pm V GND OUT 5V GND OUT X7 X8A X8B X8C X8D X8E X8F X6 X5 X4D X4C X4B X4A X3B X3A X2C X2B X2A X1B X1A + - PNM PFB GND PNM Speed GND V1+ V1- V2+ V2- PE ION L1 L2 N L N L N L N L N pm mv V1 V sr/ys mv M VAC Power Supply VAC Room Thermostat VAC Terminal (Room Thermostat) VAC Pump VAC Fan VAC Igniter 7. Ignition Electrodes 8. Ionization Electrode VAC 3 Way Diverter Valve VAC Gas Valve (Safety) VAC Gas Valve (Modulation) 12. Pump PWM 13. Terminal VDC Opentherm Room Thermostat (Optional) 15. CAN Bus 16. Boiler Chip Card (BCC) Port Figure PC Communication / e-bus port 18. Outside Temperature Sensor (Optional) 19. CH Flow NTC Sensor 20. Thermal Safety Fuse 1600C 21. KD Return Water NTC Sensor 22. Flue Gas NTC Sensor 23. Water Pressure Sensor 24. Turbine 25. CH Potentiometer 26. DHW Potentiometer 27. Reset Button 28. ECO Button 29. COMFORT Button 30. Information Button 31. LCD Screen 32. Fuse 4A 7

10 BOILER PACKAGING CAUTION: The instructions on the boiler package should be considered during transportation and storage of the device. - The device is delivered with a cardboard box with a dimension of 870 x 520 x 420 (HxWxL) mm as supported by upper and lower styrofoams (Figure 2a). Optional Figure 3 The pieces required for the assembly of the device (wall bracket, 5 gaskets for water and gas connections, screws) are placed on the top styrofoam. The other parts which seen in the fig 2b are optional. Optional parts are. Mounting bracket CH connecting pipes (3/4, 2 units) DHW connecting pipes (1/2, 2 units) Gas supply pipe (3/4, 1 unit) Nipples (1/2, 2 units- 3/4, 3 units) 4 units ½ and 6 units ¾ gaskets (for water and gas connections) 8

11 - Hermetic flue set is delivered within a cardboard box in addition to the device. Standard hermetic flue set (Ø 60/100) consists of the following pieces (Figure 3) Şekil Concentric Elbow 2. Flue Gas Plug 3. Air Inlet Plug 4. Sealing Ring Ø Sealing Ring Ø Extension Pipe 7. Screws 8. Flange 9. Bolt and Nut 10. Flat Sealing Ring 11. Concentric Terminal (Ø 60/ Ø 100) 12. Inner Flange (EPDM) 13. Outer Flange (Plastic) 9

12 INSTALLATION Selection of the Boiler Location The boiler must be installed in accordance with gas safety regulations and relevant standards. Additionally, the clearance around the boiler should be as shown in fig 4. In order to make service, maintenance and usage easier. Figure 4: Indicates the minimum distances that should remain on top and sides of the device. (dimensions have been provided in mm). 239 mm min. 500 mm min. 500 mm 114 mm 182 mm 750 mm 454 mm 378 mm min. 50 mm min. 50 mm Figure 5a Figure 5b Do not assemble your boiler at locations subject to direct sunlight. Sunlight may cause change of color on the external surface of the device The outer surface of the boiler do not exceed 85 C in maximum mode so do not take additional precautions against constructional materials (combustible materials).

13 Ortam Havasından Bağımsız İşletim (C Tipi) DANGER: For room sealed operation, the boiler location and air/flue termina position must obey national and local requirements, gas safety regulations and relevant standarts. C Type (hermetic) devices are not suitable for external environment installation. It should be within in the building. - In case of gas leakage, it is necessary to vent the installation room according to national and local requirements, although the room sealed operation boilers are independent of room volume and ventilation. DANGER: Do not block the air vents which provide fresh air to the installation room. The air/flue terminal must be exposed to the external air and allow free passage of air cross it at all times. - The minimum acceptable dimensions from the terminal to obstructions an ventilation openings must obey national and local requirements. - All horizontally fitted ducts (air/flue) should be fitted 2 or 3 upwards incline to allow condensate water drain to the boiler. The flue ducts are always wet. Under cold or excessive humid weather conditions the water vapor inside the waste gas may condensate while leaving the flue. 11

14 Mounting The Boiler Having determined the boiler location, The points of lock screws of wall bracket and assembly bracket are marked by using the assembly template inside installation and user s operating instructions of the device (pages 40-41). The mounting bracket is an optional part. After drilling the marked points, wall assembly bracket and assembly bracket are fixed on the wall by the dowel and lock screws which are inside the packaging of the device. Finally, the boiler is hanged on the wall by placing the assembly bracket on the back side of the boiler on the mounting bracket assembled on the wall. 750 mm Figure 6a Figure 6b 12

15 CONNECTIONS Condensate Connection All condensing boilers generate condensing discharge. The amount of the condensate water depends on the working conditions of your appliance. This can be up to 1.7 litres condensate water an hour. - The plastic pipe should be fixed to the outlet pipe of the siphon and the pipe should be connected to drain line. 1) If national and local requirements do not allow this such a connection, the outlet pipe of the siphon should be open to connection and should not be closed/blocked. - If the pipe work is not terminated within the building, the pipe must be insulated against freezing. - The connection pipes and fittings must be made of plastic material only. - All horizontal parts must be connected at a slight 2 or 3 downwards incline to ensure to a good flow. 13

16 Flue Connection 3 different types fo air/flue system can be designed for Scot high efficiency condensing boiler. In a) The air/flue system is designed by horizontal concentric ducts b) The air/flue system is designed by vertical concentric ducts c) The air/flue system is designed by two separate ducts (twin connection) The air/flue kit, given with your appliances is only suitable for horizontal air flue design. For the other types, you should order required accecories from qualified services. a) Connection by Horizontal Concentric Ducts The concentric vertical adapter (Ø60/100 mm) allows 90 concentric elbow (Ø60/100 mm) 360 (Figure 7). The standard horizontal air/flue kit parts shown in Fig 3. All horizontally fitted ducts (air/flue) should be fitted at a slight 2 or 3 upwards incline to allow condensate water drain to the boiler. The parts of standard horizontal flue kit are available in Figure 4.The horizontal flue connections should be assembled as to have an upwards inclination of 2 or 3 as to allow the return of condensate to the device. 14 Figure 7

17 Lubricate the internal part of the seals before the assembling. Oils and greases are not suitable for the EPDM. A correct lubrication using silicon substances is advised. If the length of the flue is insufficient, additional flue accessories should be ordered through qualified service. Do not use flue set parts of different brands and types. - Horizontal hermetic flue kit accessories (Figure 8) a) L= 500 mm concentric extension (Ø60/100 mm) L= 1000 mm concentric extension (Ø60/100 mm) b) 90 Concentric Elbow (Ø60/100 mm) c) 45 Concentric Elbow (Ø60/100 mm) a) b) c) Figure 8 15

18 L2 Total length of horizontal air/flue system set shouldn t exceed B=13m for SC 24 HM. Furthermore, each extra 90 concentric elbow or two pieces of 45 concentric elbow decreases the maximum length 1 m. a) Lmax = B b) LMAX = L1+L2 = B - 1 L2 L1 c) L1 LMAX=L1+L2+L3=B-1 L3 16 Figure 9

19 b) Connection by vertical Concentric Ducts -The standard vertical air/flue kit is showed in Figure 10. a) Concentric vertical adapter with flange (Ø60/100 mm) Flat sealing ring - Sealing ring EPDM (Ø60 mm) - Seal ring EPDM (Ø100 mm) b) Vertical concentric terminal (Ø60/100 mm) Figure 10 17

20 If the air/flue kit length is insufficient, additional flue accessories can be ordered. - Vertical air/flue kit accessories (Ø60/100 mm) a) Concentric extension L=500 mm (Ø60/100 mm) concentric extension L= 1000 mm (Ø60/100 mm) b) 90 Concentric Elbow (Ø60/100 mm) c) 45 Concentric Elbow (Ø60/100 mm) d) Pitch Roof Outlet Kit (adjustable) Figure 11 Maximum length for vertical flue connection can be SC 24 HM C=14 m. Using of each one piece 90 elbow or two pieces 45 elbow decrease the maximum flue length 1 m. (Figure 12). a) min. 370mm LMAX=C min. 370 mm L2 b) L1 min. 370 mm LMAX=L1+L2=C-0,5 L2 c) L1 LMAX=L1+L2=C-1 18 Figure 12

21 c) Connection by two separate ducts (Twin Pipe) - There are two different standard twin air/flue kits: The twin air/flue kit - 1: Air inlet flue gas outlet terminals through the wall (Figure 13) a) Twin adapter with sampling point (with measurement plug) (Ø 80 - Ø 80 mm) - 2 x sealing ring, EPDM (Ø 80 mm) b) Air inlet terminal L=939 mm (Ø 80 mm) c) Flue gas outlet terminal L= 985 mm (Ø 80 mm) d) 2 x 90 Elbow (Ø 80 mm) - 2 x Sealing ring EPDM (Ø80 mm) c) d) b) a) d) a b Lmax =a+b=32 m SC 24 HM Figure 13 19

22 The twin air/flue kit - II: Air inlet duct through the wall and flue gas outlet through the roof (Figure 16). a) Double flue adaptor (Ø 80 - Ø 80mm) - Two units of seal EPDM (Ø mm) b) Air inlet terminal L= 939 mm (Ø80 mm) c) Flue gas outlet terminal L= 1380 mm (from Ø 80 mm to Ø 80/125) d) 90 Concentric elbow (Ø 80 mm) - Sealing ring, EPDM (Ø80 mm) b) d) c) min. 370 mm 1380 mm a) Figure 14 20

23 If the length of the flue set is insufficient, additional flue accessories should be ordered from qualified services. Do not use flue set parts of different brands and types. - The twin kit accessories (Figure 16) a) Concentric extension L= 500 mm. Ø80 mm Concentric extension L= 1000 mm. Ø80 mm b) 90 Concentric elbow. Ø 80 mm c) 45 Concentric elbow, Ø 80 mm d) Pitched roof outlet kit (adjustable) Ø 125mm a) d) b) c) Figure 15a Figure 15b Total length of air inlet and flue ducts pipes must not exceed 32 meters (Figure 17). b a Figure 16 Lmax=a (air inlet pipe)+b (waste gas outlet pipe) =32 m 21

24 Gas Supply and Water Systems (Optional) - Water and gas supply connections between the boiler and the mounting bracket can be fixed with the optional pipes and the nipples as shown in Figure 18. Condensate outlet pipe Assembly Bracket 40 Nipple (1/2 ) Nipple (3/4 ) ,5 65 a b c d e Figure 18 a) CH flow 3/4 b) DHW outlet 1/2 c) Gas inlet 3/4 d) DHW inlet 1/2 e) CH return 3/4 - A suitable valve should be mounted on the gas inlet and CH & DHW water circuit. In addition, a water filter should be mounted on CH (3/4 ) return and DHW (1/2 ) inlet. - A plastic pipe should be fixed the outlet tap of the three bar relief valve and the pipe should be connected to the drain line 1) - The connection between the appliance and gas supply must be made with a flexible pipe. 2) 1)2) National and local requirements should be take into consideration. 22

25 Electrical Connection Electrical installation should be made according to the national and local instructions. The boiler must be earthed and a standard 230 V AC 50 Hz supply is required. DANGER: Disconnect power supply to prevent electrical shock before connecting the electrical supply. DANGER: If the supply cord is damaged, it must be replaced by the manufacture, its service agent or similarly qualified person in order to avoid a hazard. Room Thermostat (Optional) One of the optional room thermostats compatible with you device may be used in order to ensure the heating control of the system. E.C.A. On/Off Room Thermostat T E.C.A. Digital Room Thermostat with Opentherm, Programmable LAGO FB OT Figure 19a Figure 19b 23

26 E.C.A. Digital Room Thermostat Cordless, Programmable CM Figure 19c E.C.A. Digital Room Thermostat Honeywell DT Figure 19d On/Off RF room Thermostat On/Off Cable Room Thermostat Figure 19e E.C.A. Programmable Digital Room Thermostat - CM Wireless Figure 19f 24 Cosa Smart Combi Kit Figure 19e Cancel the bridge on the other side on room thermostat connection. Only the room thermostats deemed to be appropriate by authorized services of E.C.A. should be used on your boiler. Otherwise, it may cause the malfunction of your device. Responsibility is not undertaken under such conditions. -The connection of 230 VAC room thermostat is made to the terminal no 3 in the circuit diagram in Figure 2. - The connection of 24 VDC room thermostat is made to the terminal no 13 in the circuit diagram in Figure 2.

27 COMMISSIONING Final Checks And Operations Having completed the installation and connections (condensate, flue, electricity supply, gas supply and water circuits) of the boiler according to the authorized gas company regulations and relevant standards, the final checks and operations must be carried out by qualified person. 1)Filling the boiler and central heating circuit with water. - Firstly, turn on all the radiators valve. - Check inlet and outlet CH valve. The valves must be open. - Open the manual air vent on the top of the boiler (Fig. 20) - Open filling tap1) slowly to fill the system - Turn off the manual air vent when water starts to squirt. - Keep up filling until 1,5 2 bar water pressure. - Turn off the filling tap. CAUTION: Do not forget to turn off the filling tap. Water can leak and cause damage. - Turn on the air vents on the radiators to set air free until water squirts. Repeat this process for all the radiators. - Check the CH water pressure again and turn on the filling tap to increase water pressure to 1,5 2 bar level. - Check radiator vents whether any air in the water pipes or not. Air must be purged out entirely for efficient heating. - Check any leakage in the radiator and the water pipes finally. Manual air vent Figure 20 1) The filling tap is not available in some models based on national and local regulations. 25

28 CAUTION: In order to prevent the calcification of the exchanger, it is recommended for you to use well water, natural spring water etc except the mains water. 2) Open hot water tap to check DHW circuit. Check any leakage in water pipes. 3) Check whether flue kit is comprised of original parts or not according to instructions and regulations. In addition, - Electricity connections of the boiler must be earthed and suitable with main supply conditions (230 V AC 50 Hz). - Gas supply must be checked by the qualified gas company. Call qualified service to start up the boiler after all these processes are completed. Boiler start up must be performed certainly by qualified person. After boiler start up, you should request information about operating the boiler and safety precautions from qualified person. 26

29 Control Panel The control panel of your device is as seen in Figure 21, and it consists of the following items; 3 MIN 2 MIN MAX ECO COMFORT o C bar MAX 1 4 RESET ECO COMFORT i Figure 21 1) DHW Temperature Control Potantiometer The DHW knob has two functions: To turn on/off to the boiler To set DHW temperature between 35 C to 60 C. 2) Display Panel: A LCD display having white symbols on black background has been used on the display panel. LCD Display: Operations modes, actual and set point CH temperature, actual and setpoint DHW temperature, error codes and parameter menu can be seen on LCD display. (Figure 22) Central Heating Operating Mode: Heat Demand Domestic Hot Water Operating Mode: Hot Service Mode Water Demand COMFORT Mode Mode active if visible Connection Opentherm connection Flame Status: Device is running ECO Mode Mode active if visible ECO COMFORT o C Temperature Unit If temperature value is visible bar Pressure Unit If pressure value is v Figure 22 27

30 3) Central Heating Circuit Water Temperature Potantiometer The CH knob has two functions: To select summer/winter mode To set CH temperature between 35 C to 80 C. INFORMATION: CH water temperature can be set by a connected room thermostat. In this case, when room thermostat is active, CH water temperature control is made by room thermostat instead of potentiometer on boiler (CH potentiometer must be at maximum position.). 4) Buttons a) RESET Button has two functions: - To reset locking the system. - To cancel or exit existing operations. (ESC) b) i Button has two functions: - To enter the user and service parameters menus. - To confirm operations. (ENTER) c) ECO Button has two functions: - To decrease the value on the display when entered in the parameter menu, and to go back within the menu. - When it is pressed while the parameter menu is not active, the ECO button activate or deactivate ECO mode. When It is active status, ECO icon is visible on display. - When it is pressed in service mode, it enables the device to operate at minimum load. d) COMFORT Button - To increase the value on the display when entered in the parameter menu, and to go forward within the menu. - When it is pressed while the parameter menu is not active, the COMFORT button activate or deactivate COMFORT mode. When It is active status, COMFORT icon is visible on display. - When it is pressed in service mode, it enables the device to operate at maximum. Çalışma Fonksiyonları 1) Stand-By Position: Stand by position is a condition where there is no respond for central heating or domestic hot water heat demand while DHW knob is on OFF position. MIN MIN ECO COMFORT o C MAX bar MAX RESET ECO COMFORT i 28 Figure 23

31 2) Starting up the Appliance and Adjustment of Domestic Hot Water (DHW) Position: To start up the boiler, turn DHW knob to requested DHW set temperature. LCD Display will turn on and Power on sequence will be monitored for several seconds. While the central heating circuit is closed and the domestic hot water circuit is open, the device is in summer position. Along with the hot water requirement, the boiler starts to operate through the signal sent to main board, and it meets the hot water requirement. DHW may be adjusted to required value in between C. In cases when the central heating circuit and domestic hot water are both active, DHW starts to heat up through the 3 way valve when you open the domestic hot water tap of the device which is heating the central heating circuit. When you close the tap, DHW position also closes down. After DHW request, the motorized 3 way valve turns to CH position after a specific period. This condition is for increasing the comfort of domestic hot water when domestic hot water is requested for more than once in a short while. MIN MIN ECO COMFORT o C MAX bar MAX RESET ECO COMFORT i Figure 24 3) Comfort Position (DHW Pre-Heating) / Normal Position: In comfort position, the device monitors and records your domestic hot water demands in the recent 24 hours. By estimating your domestic hot water requirements that may arise in the next 24 hours as per the recorded information, it keeps your domestic hot water within the plate exchanger. Thus, domestic hot water is obtained in a shorter period. The pre-heating cycle takes less than 1 minute. And in normal position, the DHW pre-heating function becomes cancelled. In order to select the comfort position, when it is pressed on the COMFORT button while the parameter menu is not active, the COMFORT mode for domestic hot water becomes active. Its ON/ OFF status is determined by the comfort icon on the display. MIN MIN ECO COMFORT o C MAX bar MAX RESET ECO COMFORT i Figure 25 29

32 4) Position of Central Heating Circuit: In order to activate winter position, in other words the central heating circuit on the boiler, you can set the temperature of exiting water in between C through the adjustment knob. The set value is seen on the LCD display, the ignition operation automatically steps in order to ignite the boiler, and the device starts to heat up the water in the central heating circuit until a requirement for domestic hot water. In case of failure of ignition, the device repeats the automatic ignition operation for 3 times. In case of failure of these three ignition attempts, the device stops itself by giving the warning of No Flame Signal. Er 13 error code is displayed as flashing on the LCD display, and informs locking of the device. In order to resolve this, press on the Reset button. If the locked status of the device is persisting despite pressing on the Reset button, see the Determination and Resolution of Error/ Malfunction section on page 38. MIN MIN ECO COMFORT o C MAX bar MAX RESET ECO COMFORT i Figure 26 5) ECO Mode: The boiler central heating circuit operates under two different modes as being Standard Mode / Eco Mode. In Eco mode, the device operated with modulation as in the Standard mode, but the heat requirements are being assessed by special parameters formed for Eco mode, and the boiler adjusts its operation. When the boiler operates in Eco mode, the radiator symbol and ECO symbol under it becomes active on the display. And in standard mode only the radiator symbol is active. And the Eco mode is only for the central heating circuit. It has no effect on the domestic hot water. Fuel saving will be ensured when the device operates in Eco mode. MIN MIN ECO COMFORT o C MAX bar MAX RESET ECO Figure 27 COMFORT i 30

33 6) Service Position: When it is set to service position by the authorized service, the service icon on the display panel indicates its activation through blinking. - It becomes activated when it is pressed for 5 seconds on the ECO and reset button on the control panel of your device. - When the service mode becomes activated, the device directly heats up at maximum. The device takes itself to minimum when it is pressed for once on the ECO button. It is sufficient to press on the COMFORT button to set it again back to maximum. - It may be stopped by pressing on the reset button, or it automatically stops by the end of 10 minutes. This function is only for authorized service. IMPORTANT NOTE Your device is required to have been purchased with natural gas or LPG adjustment. In case of asking usage by propane, device with LPG is requested. The required gas valve settings are made by the authorized service. MIN MIN ECO COMFORT o C MAX bar MAX RESET ECO COMFORT i Figure 28 7) Frost Protection: Along the winter season, when the temperature of water of the fittings decrease below 5 C, frost protection function steps in, and your device continues to operate until the exiting temperature of water of fittings increase to 19 C. For the frost protection function to operate, the following conditions are required to be provided through the control of the customer. Electric feeding of the device should be open, and the device should be in ON position. Gas valve and radiator valves should be open. Water pressure of the system should be suitable. Frost protection function assists to protect your device, it doesn t protect your fittings. If the device will not be operated at locations subject to risk of frost, it is required to empty its water or to use anti-freeze. 31

34 8) Pump and 3 Way Valve Blockage Protection Function: Blockage protection protects the pump against blockage in cases when the pump is not in use for a long period. This function enables the pump to be operated for a few seconds in CH position when the pump is not operated within the recent 24 hours. The same feature is also valid for 3 way valve. 3 way valve protection protects against blockage by enabling the changing of the direction of 3 way valve if it has not changed its direction in the recent 24 hours. User s Parameter Menu It is pressed on the i button on the control panel in order to enter the user s parameter menu. By the help of the COMFORT and ECO buttons, you can see the required values by transiting among codes whose descriptions are available in Table 3 32 Figure 29 Code Description Range Unit A0 System s water pressure 0 4 bar A1 CH water flow temperature C A2 CH water return temperature C A3 Flue gas temperature C A4 Flow rate of domestic hot water 0 19,9 lt/min A5 Temperature of external air sensor ya da "- -" C A6 Instant combi modulation value % A7 Pwm pump signal % A8 Temperature of domestic hot water (for ones with boiler) C Table 3

35 GAS CONVERSION Gas conversion operation from LPG to natural gas or from natural gas to LPG should be performed by authorized service. If the user requests gas transformation after purchase of the device, it is subject to a fee. Gas conversion operation consists of two main operations. 1) Regarding gas type adjustment screw on the gas valve; it should be changed From 1 to 2 in conversion from natural gas to LPG, From 2 to 1 in conversion from LPG to natural gas, 2 1 Figure 30 2) Regarding C1 parameter on the Scot parameter menu on the user interface; it should be changed From 0 to 1 in conversion from natural gas to LPG, From 1 to 0 in conversion from LPG to natural gas. Emission gas values should be checked by gas measurement device after each on the adjustment screw. 33

36 1) BCC BCC is a socket having programmed memory (Figure 33). This socket is being used when it is required to change the main board parameters of the device. Close the ON/OFF button of the device by positioning it to OFF. Remove the front panel by disassembling the two screws at bottom corners. Open your control panel by opening the lugs at the top side of the control panel. Insert the BCC in the X9 connector shell on main board. (See. Figure 9 may be different-) Regroup all the disassembled pieces. Position the device to ON. i button for selection. About 10 sec. System restarts automatically. ECO COMFORT o C bar i ECO COMFORT o C bar ECO COMFORT o C bar When the device operates again, BCC parameters become uploaded. In case of failure during uploading, one of the errors of ER33, ER34, ER35 and ER37 blinks on the display. ECO COMFORT o C ECO COMFORT o C bar bar IMPORTANT NOTE: If the parameters on the main board are changed for once by inserting BCC, this socket should remain inserted on the main board. Otherwise, the main board keeps the device in blocked position and doesn t allow its operation until insertion of BCC. BCC shouldn t be inserted or removed when the device is in open (ON) position. It is possible to update the parameters by another BCC: It is not possible to return to parameters on main board which is updated by BCC (original factory settings). 2) Controlling the Waste Gas Values (Ignition Control) After all these operations, it is required to control the waste gas values. DANGER: After conversion, gas conversion label should be affixed near the information label of the product. 34 DANGER: As there is the danger of fire, explosion, severe injury or death as the result of gas leakage, the gas leakage test after conversion operation should be performed by authorized service s employee.

37 GAS LEAKAGE TEST: Apply the foam obtained by soapy water on all the gas pipe connections. Arise of bubbles indicates gas leakage on the connection. In case of determination of gas leakage, tighten that connection, and recheck it by applying foam on the connections. If the gas leakage persists, replace the seal (gasket) and/or connection pieces. CAUTION: During gas leakage test, soapy water and foam should be kept away from electrical connections. DETERMINATION and RESOLUTION of ERRORS and MALFUNCTIONS There are various controls for the safe operation of the device. In case of malfunctions during these controls, or in case of abnormalities in monitored values, the device turns to error or malfunction position. In that case, the malfunction codes defining the malfunctions will appear on the LCD display and will warn you (Table 4). The safety of your device has been provided in two ways. 1- Error Conditions (Locking) 2- Malfunction Conditions (Blocking) In case of an error on your device, your device will turn to locking position. These errors are flue gas excessive temperature locking, excessive temperature locking, no flame signal warning, flame loss warning, flame circuit malfunction, water flow inspection warning, gas valve circuit malfunction and fan speed malfunction. In that case, the error codes will appear on LCD display as seen on Table 4 and will inform the error. These errors are tried to be removed by pressing on the reset button. But if it is recurring, the authorized service should be informed. In order to re-operate your device in cases of locking; - Press the reset button. The main board will be reset, and the device will turn to stand-by position. And in case of a malfunction, your device will turn to blocked position. These malfunctions are excessive temperature warning, CH exiting water sensor (NTC) malfunction, flue gas sensor (NTC) malfunction, DHW sensor (NTC) malfunction, CH returning water sensor (NTC) malfunction, voltage warning and low water pressure warning. In cases of blockage, the malfunction can not be reset. For the re-operation of your device, it is required to resolve the problem causing malfunction. For instance, in case a temperature value exceeds the limit value, the system automatically resets after the value turns to normal after a while. 35

38 Error Code Er 03 Error Type Possible Cause Solution Reaction Flue Temperature Lockout If the flue temperature sensor (NTC) course an over temperature regarding the parameters SWE03 overheat flue temperature (Lock-out) / SWE04 overheat flue temperature (Blocking). (The limit temperature is 105 C) Error Type Check the flue connections. Check the water circuits. Check whether the CH inlet valve and radiator valves are open or not. Press on reset button. If locking persists (or repeats) after reset inform E.C.A. authorized service. Blockage / Locking Er 04 Freeze The actual CH-temperature value is < +1 C. The system will remain blocked unless the water temperature turns to normal value. Blockage Er 05 Er 07 Er 08 Er 09 Sensor Position Error Overheating Return-Sensor Overheating Flow-Sensor Return temperature > Flow Temperature + Parameter SWE08 (max. delta flow/return reverse) temperature. If the return temperature sensor (NTC) course an over temperature regarding the parameters SWE05 overheat return temperature (Lock-out) / SWE06 overheat return temperature (Blocking 95 C). Safety Temperature Limiter device (STL) signalize overheating (105 C) Inform E.C.A. authorized service. Boiler will remain in this error mode till water temperature drops into operating range. If repeated inform E.C.A. authorized service. Check the water circuits. Check whether the CH inlet valve and radiator valves are open or not. Press on reset button. If locking persists (or repeats) after reset inform E.C.A. authorized service. Blockage Blockage / Locking Bloke / Kilitlenme Boiler Er 11 Er 12 Er 14 Er 16 Er 13 Er 15 Flame simulation Flame loss in operation Flame signal loss in safety time No flame build-up A flame was detected before burner start. Arises in case of flame loss in boiler during the operation. Arises in case of flame loss in boiler during the safety time. No flame build-up at burner start. Lock-out after second repetition start. Unsuccessful starts produce forced Press on reset button. If error is continuing after resetinform E.C.A. authorized service. Have the ignition continued by pressing on the reset button. If you are unable to get result from automatic ignition after reset inform E.C.A. authorized service. Have the ignition continued by pressing on the reset button. If you are unable to get result from automatic ignition after reset inform E.C.A. authorized service. Have the ignition continued by pressing on the reset button. If error continues after reset, Inform E.C.A. authorized service. Locking Warning Locking Locking Aktüatörler Er 17 Er 18 Er 19 Er 20 Gas valve circuit error Gas valve current fault Failure fan speed After burner run, a flame is detected for 15s, although a valve has been switched off. Gas valve currents are outside limits in step 5 Safety time and step 6 Release control. System becomes blocked when the water pressure sensor detects low water pressure (less than 0.8 bar) that is undesirable for your device. The relevant cables may be split or their connection may be displaced. Relevant cables may have contacted to each other. Press on reset button. If error is continuing after reset Inform E.C.A. authorized service. Inform E.C.A. authorized service. Locking Locking Warning 36

39 Er 21 Low Water pressure failure Water-Pressure-Sensor signalize low pressure System remains blocked until the water pressure returns to normal value and temperature requirements are not met. Check the valves and your fittings against leakages. Blockage Er 22 High water pressure failure System becomes blocked when the water pressure sensor detects high water pressure (3 bar) that is undesirable for your device. The relevant cables may be split or their connection may be System remains blocked until the water pressure returns to normal value and temperature requirements are not met. Check the valves and your fittings against leakages. Blockage Er 23 Flow Thermistor Fault - A relevant wiring cable may break off or become separated from its connection. - Relevant wiring cable may be on contact. Inform E.C.A. authorized service. Locking Er 24 Return Thermistor Fault The relevant cables may be split or their connection may be displaced. Relevant cables may have contacted to each other Inform E.C.A. authorized service. Locking Er 25 Flue Thermistor Fault The relevant cables may be split or their connection may be displaced. Relevant cables may have contacted to each other Inform E.C.A. authorized service. Locking Er 26 DHW Thermistor Fault The relevant cables may be split or their connection may be displaced. Relevant cables may have contacted to each other Inform E.C.A. authorized service. Warning Er 27 Outside Sensor Fault The relevant cables may be split or their connection may be displaced. Relevant cables may have contacted to each other Inform E.C.A. authorized service. Warning Er 28 Water Pressure Switch The relevant cables may be split or their connection may be displaced. Relevant cables may have contacted to each other Inform E.C.A. authorized service. Blockage Er 40 Flow Gradient supervision Difference between Flow Temperature and Return Temperature higher than Parameter max. differential flow/return Press on reset button. If error is continuing after reset Inform E.C.A. authorized service. Blockage Er 41 Failure flow-return supervision If temperature difference of CH outlet and return water is different from the value specified in the parameters, this error arises. Blockage Scot Er 61 Ion control deviation Press on reset button. If error is continuing after reset inform E.C.A. authorized service. Warning Er 62 SCOT actuators Press on reset button. If error is continuing after reset inform E.C.A. authorized service. Warning Er 63 SCOT system error Internal SCOT system error (electronic self-test) Press on reset button. If error is continuing after reset inform E.C.A. authorized service. Warning 37

40 Er 64 Er 65 Er 66 Er 74 Calibration error Press on reset button. If error is continuing after reset inform E.C.A. authorized service. Locking Er 67 Ion base value invalid Ion base value outside factory limits or saved incorrectly. Press on reset button. If error is continuing after reset inform E.C.A. authorized service Locking Electronic Er 30 Er 31 Er 32 Parameter CRC error 230V Supply low-limit Arises when mains voltage is beyond the range of 170 Vac and 255 Vac. Press on reset button. If error is continuing after reset inform E.C.A. authorized service. Unless the voltage turns to its normal value, the systems remains blocked and temperature requirements are not met. Locking Blockage Er 36 EK production failure Inform E.C.A. authorized service. Blockage (Permanent) Er 95 Er 96 Er 97 Er 88 Er 98 Er 99 Programming mode Remote reset supervision Unknown error Other SCOT ERRORS The system is in programming mode. Arises as the result of continuous reset repeated in a short while. Press on reset button. If error is continuing after reset inform E.C.A. authorized service. Inform E.C.A. authorized service. Press on reset button. If error is continuing after reset inform E.C.A. authorized service. Press on reset button. If error is continuing after reset inform E.C.A. authorized service. Blockage Blockage Blockage Blockage / Locking Boiler Chip Card (BCC) Er 34 Er 35 Er 37 BCC in compatible No BCC (not inserted) BCC Update error BCC is not compatible with PCB (Firmware or Parameter) If BCC is inserted and removed, this error arises. BCC Update Process was not successfulor BCC update not started by user (Timeout error) Inform E.C.A. authorized service. Inform E.C.A. authorized service. Inform E.C.A. authorized service. Blockage / Locking Blockage / Locking Blockage / Locking Table 4 38

41 STANDARDS / INSTRUCTIONS In addition to the warnings and instructions regarding the installation and usage of the device which is described in this manuel, it should be conformed to all laws, regulations, standards and instructions of local gas company regarding the devices operating with gas. ALL RIGHTS RESERVED. Any part of this document is not allowed to be published or reproduced without permision of the publisher. It can be got into contact with Emas Makina Sanayi A.Ş. for publication or citation. Our company reserves the right to make changes on the produced products and usage and assembly manuel without prior notice. YOU CAN INCREASE THE WARRANTY PERIOD OF YOUR BOILER! PLUS WARRANTY You can extend the warranty period of your device from 1 year to 3 years by using the Plus Warranty service within 4 months as from the initial operation date of your boiler. In the additional warranty period, no additional fee is charged for the workmanship, spare part and transportation expenses in cases of malfunction on your (Arft 1, 2, 3) boiler. The general maintenance of the boiler may be realized by the authorized service of E.C.A. as being once a year during the term of contract. WARRANTY STARS You can again take your E.C.A. boilers under warranty for a period of 1-3 years after expiry of warranty period. By the Warranty Stars warranty contract, maintenance is provided for your boiler whose warranty period had expired without charging spare part, workmanship and transportation expenses up to 3 years. Each year, one genera maintenance service is provided as free of charge. Moreover, your applications which can be made for 24 hours to our call center at are replied within 3 hours, and service is provided for your boiler. Note: This warranty is valid for your boilers of maximum 10 years and at provinces where natural gas is being used. ANNEXES 1) Characteristic curve of water pressure height of the pump (pump head flow rate) H [m] Q [m 3 /h] 39