PRESENTATION OF DAEWOO GAS BOILER

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1 PRESENTATION OF DAEWOO GAS BOILER 1

2 HISTORY OF DAEWOO GAS BOILER 1986 Daewoo entered gas boiler business by merchandising Saunier Duval gas boilers imported from France 1988 Manufactured Daewoo s first gas boiler 1989 Quality Control Award by Ministry of Commerce & Industry 1990 Introduced Intelligence Gas Boiler operated by MICOM chip All models acquired the Korean Standards certification mark 1992 Began production of FF(Forced Flue) type 1993 Introduced slim size boilers 1998 Attained the KT(Korean Technology) mark, established by the Ministry of Science and Technology, for developing two-way pump system and advanced infra red electronic sensor Export to China 2000 Obtained Excellent After Services Awarded Energy Winner, Energy Saver Award and Certification of High Efficiency 2001 Export to Chile Attained the certificate of ISO 9001 by the Korea Gas Safety Corporation Gas boiler division was separated from Daewoo Electronics Co., Ltd. and became a independent company named Daewoo Gas Boiler Co., Ltd Attained the certificate of RUSSIA & export to Ukraine 2005 Attained the certificate of CGC (China General Certification) Attained the certificate of Kazakhstan & export to Russia, Kazakhstan and etc Achieve export over 3 million dollars 2008 Attained the certificate of CE from Bulgaria Achieve export over 5 million dollars 2

3 ORGANIZATION OF DAEWOO GAS BOILER President Management Team Sales Team R & D Team Production Team Business Planning Sales Planning Product Planning Domestic Sales Overseas Sales Project Planning Mechanical & System Design Circuit Design Production Control, Procurement, Materials Control, Deployment Process Engineering Accounting & Finance Processing Quality Assurance Personal Management Production Head Office : B-506, Woolim Lion s Valley, 425, Cheongcheon-dong, Bupyeong-gu, Incheon, Korea Tel : , Fax : Gwangju Factory : 981-1, Jangdeok-dong, Gwangsan-gu, Gwangju, Korea Tel : , Fax :

4 ORGANIZATION CHART FOR PRODUCTION TEAM Manager of Production Team Production Control, Procurement, Materials Control, Deployment Quality Assurance Process Engineering Production PRODUCTION SITE Boiler production line: 1 (Daily production capacity 400 sets) Pump production line: 1 (Daily production capacity 600 units) Location: Gwangju, Korea 4

5 TECHNICAL FEATURES 1. Adaptable ignition system (world patented technology) Ignite burner by control of MICOM in accordance with variance of combustion ranges, i.e., gas pressure, chimney, wind and voltage Utmost convenience due to no adjustment 2. Automatic combustion control (world patented technology) Infrared electronic sensor automatically detects condition of flame and supplies optimum amount of air Save energy 3. Sufficient hot water Sufficient hot water supply when use hot water Hot water comes out quickly when open the water faucet Still enough hot water when heavy use or low water pressure 5

6 TECHNICAL FEATURES 4. Pump Canned type pump Reduced vibration noise Enhanced reliability The structure of pump 6

7 TECHNICAL FEATURES 5. Remote controlling Boiler is operated by room controller 6. Self error-detection Errors are indicated in room controller and automatically stop the machine 7. Modulation MICOM and modulation gas valve control combustion in linear temperature condition with least variance 8. Prevention the pipe from freezing to burst If the water inside of the pipe is getting cold, the pump automatically operates or the boiler automatically start combustion to prevent from freezing to burst 9. Good serviceability Easy-to-assemble and -disassemble (need only one screw-driver) 7

8 STRUCTURAL DESIGN (OPEN TYPE) 1. Schematic Diagram (DGB-100,130,160,200SC)(Using for floor heating system only) 1. Flue Gas Duct 2. Air Duct 3. Temperature Sensor 4. Overheat Thermostat 5. Water Tank 6. Pump 7. Hot Water Heat Exchanger 8. Auto Replenish Valve 9. Flow Switch Way Valve 11. Modulating Gas Valve 12. Main PCB 13. Fan 14. Ignition Transformer 15. Main Burner 16. Ignition Plug 17. Infra-red Sensor 18. Main Heat Exchanger 8

9 STRUCTURAL DESIGN (CLOSED TYPE) 2. Schematic Diagram (DGB-100,130,160,200MSC)(Using for floor or radiator heating system) 1. Overheat Thermostat 2. Temperature Sensor 3. Expansion Vessel 4. Air Vent 5. Hot water Heat Exchanger 6. Pump 7. Pressure Gauge 8. Flow Switch 9. Manual Replenish Valve 10. Pressure Switch 11. Pressure Relief Valve 12. Modulating Gas Valve 13. Main PCB 14. Fan 15. Ignition Transformer 16. Main Burner 17. Ignition Plug 18. Infra-red Sensor 19. Heating Heat Exchanger 20. Air Duct 21. Flue Gas Duct Way Valve 23. Strainer 9

10 STRUCTURAL DESIGN (CLOSED TYPE) 4. Schematic Diagram (DGB-250,300MSC)(Using for floor or radiator heating system) 1. Overheat Thermostat 2. Temperature Sensor 3. Expansion Vessel 4. Air Vent 5. Hot water Heat Exchanger 6. Pump 7. Pressure Gauge 8. Flow Switch 9. Manual Replenish Valve 10. Pressure Switch 11. Pressure Relief Valve 12. Modulating Gas Valve 13. Main PCB 14. Fan 15. Ignition Transformer 16. Main Burner 17. Ignition Plug 18. Infra-red Sensor 19. Heating Heat Exchanger 20. Air Duct 21. Flue Gas Duct Way Valve 23. Strainer 10

11 STRUCTURAL DESIGN (CLOSED TYPE) 5. Schematic Diagram (DGB-350MSC)(Using for floor or radiator heating system) 1. Overheat Thermostat 2. Temperature Sensor 3. Expansion Vessel 4. Air Vent 5. Hot water Heat Exchanger 6. Pump 7. Pressure Gauge 8. Flow Switch 9. Manual Replenish Valve 10. Pressure Switch 11. Pressure Relief Valve 12. Modulating Gas Valve 13. Main PCB 14. Fan 15. Ignition Transformer 16. Main Burner 17. Ignition Plug 18. Infra-red Sensor 19. Heating Heat Exchanger 20. Air Duct 21. Flue Gas Duct Way Valve 23. Strainer 11

12 STRUCTURAL DESIGN 6. Flow Diagram (Closed Type) - Heating Mode - Hot water mode FLUE GAS DUCT AIR DUCT FLUE GAS DUCT AIR DUCT HEATING WATER INLET HEATING WATER OUTLET GAS INLET HOT WATER OUTLET COLD WATER INLET GAS INLET 12

13 STRUCTURAL DESIGN 7. Flow Diagram (Open Type) - Heating Mode FLUE GAS DUCT AIR DUCT - Hot water mode FLUE GAS DUCT AIR DUCT HEATING WATER INLET HEATING WATER OUTLET GAS INLET HOT WATER OUTLET COLD WATER INLET GAS INLET 13

14 SPECIFICATIONS Model name DGB-100SC, DGB-100MSC DGB-130SC, DGB-130MSC DGB-160SC, DGB-160MSC DGB-200SC, DGB-200MSC DGB-250MSC DGB-300MSC DGB-350MSC Type SC: Open type, MSC : Closed type Using Gas LNG or LPG Ignotion method Continuos ignition Usage Central heating (CH) / Domestic hot water (DHW) Flow rate of DHW Maximum Gas input Area of heating Maximum CH output Maximum DHW output CH DHW Power supply LPG LNG LPG LNG 66m 2 86m 2 106m 2 132m 2 165m 2 198m 2 231m 2 10,000 kcal/h (11.6 kw) 1.0 kg/h (14.0kW) 12,000 kcal/h (14.0kW) 16,000 kcal/h (18.6 kw) 13,000 kcal/h (15.1 kw) 1.33 kg/h (18.6kW) 16,000 kcal/h (18.6kW) 16,000 kcal/h 20,000 kcal/h (18.6 kw) (23.3 kw) 20,000 kcal/h (23.3 kw) increased to l/min 13.3 l/min increased to l/min 8.3 l/min 1.67 kg/h (23.3.kW) 20,000 kcal/h (23.3kW) 1.67 kg/h (23.3kW) 20,000 kcal/h (23.3kW) 2.1 kg/h (29.3kW) 2.2 kg/h (30.7kW) 25,200 kcal/h (29.3kW) 25,200 kcal/h (29.3kW) AC 220V/50Hz 25,000 kcal/h (29.1 kw) 30,000 kcal/h (34.9 kw) 35,000 kcal/h (40.7 kw) 25,000 kcal/h (29.1 kw) 30,000 kcal/h (34.9 kw) 35,000 kcal/h (40.7 kw) 16.6 l/min 20.0 l/min 23.3 l/min 10.4 l/min 12.5 l/min 14.6 l/min 2.6 kg/h (36.2kW) 31,200 kcal/h (36.2kW) 2.6 kg/h (36.2kW) 31,200 kcal/h (36.2kW) 3.0 kg/h (41.8kW) 36,000 kcal/h (41.8kW) 3.0 kg/h (41.8kW) 36,000 kcal/h (41.8kW) 3.3 kg/h (46.2kW) 39,900 kcal/h (46.4kW) 3.3 kg/h (46.2kW) 39,900 kcal/h (46.4kW) Power input 105W 120W 110W 130W 145W Size net 492x656x232mm 492x656x357mm (W H D) gross (packed) 560x820x290mm 560x820x415mm Weight net gross (packed) 26kg 29kg 33kg 36kg 36kg 39kg Duct out Air-supply 100 mm 110mm diameter Gas-exhaust 70 mm 80mm Gas in PT 1/2 BOLT PT 3/4 BOLT Pipe Cold-water-in / connection Hot-water-out Heating-water-in / Heating-water-out Safety devices Accessories PT 1/2 BOLT PT 1/2 BOLT PT 3/4 BOLT PT 3/4 BOLT Double freezing preventer, Gas Leakage sensing device(option), Safe extinguisher, Back wind preventer, Ignition re-attempt safeguard, Fan trouble safeguard, Pump adhesion preventer, Boiling safeguard, Double over-heating safeguard Room-controller, Installation plate, Flue (option) 14

15 CERTIFICATE OF CE 15

16 CERTIFICATE OF CHINA (CGC) 16

17 CERTIFICATE OF RUSSIA 17

18 CERTIFICATE OF KAZAKHSTAN 18

19 CERTIFICATE OF ISO

20 CERTIFICATE OF KS (KOREAN INDUSTRIAL STANDARDS) 20

21 CERTIFICATE OF EXCELLENT KOREAN TECHNOLOGY 21

22 CERTIFICATE OF QUALITY (HOT WATER PUMP) 22

23 ENERGY WINNER AWARD (GAS BOILER) 23

24 CERTIFICATE OF HIGH EFFICIENCY (GAS BOILER) 24

25 A PATENT OF GAS BOILER (CHINA) 25

WALL HUNG GAS BOILER FOR C.H. AND PREDISPOSTION FOR INSTANTANEOUS D.H.W. PRODUCTION (with optional kit) MODELS 34,8 kw (depotenziata) 50 C

ALKON 50 C ALKON 70 C WALL HUNG GAS BOILER FOR C.H. AND PREDISPOSTION FOR INSTANTANEOUS D.H.W. PRODUCTION (with optional kit) OUTPUT RANGE from 50 to 560 kw (in battery) WORKING TEMPERATURE no limit on