12. Wide range of applications NEW ETW-L Overall COP 6.5 Heating COP 3.7 Cooling COP 2.8 ETW-H Heating COP 4.5 Outgoing temp. of hot water ( °C) Supply of max. 90 °C hot water utilizing surplus waste heat of 10 to 50 °C. Entering temp. of heat source water ( °C)
13. Performance of ETW-H Rated COP achieved entering temperature of heat source water 45℃and leaving temperature of hot water 80℃ Heating COP Hot water power output Entering temp. of heat source water （℃） Entering temp. of heat source water （℃） Heating COP 4.5
14. Performance of ETW-L Entering temp. of heat source water （℃） Entering temp. of heat source water （℃） Hot water power output Heating COP 3.7 Cooling COP 2.8 Heating & Overall COP ( ) : overall COP Overall COP achieved entering temperature of heat source water 50℃and leaving temperature of hot water 90℃ Heating COP 6.5
15. Common specification Equivalent to 1-ton once-through steam boiler ETW-L 1.2 ｍ ETW-L 1.55 ｍ ETW-H 2.1 ｍ ETW-L 2.0 ｍ ETW-H 1.2 ｍ ETW-H 2.2 ｍ Main power source 3φ 380 to 440V ※ Auxiliary power source : 3φ 200 to 220VAC (only ETW-H) Refrigeration HFC-134a Remote monitoring system by MHI monitoring center Support in maintenance contract (option)
16. Specification of ETW-H Outgoing temp. Of hot water 80°C Hot water power output 627 kW Flow rate of hot water 107,8 m 3 /h Temperature of heat source Ingoing 45°C / Outgoing 40°C Flow rate of heat source 84,9 m 3 /h Charge qty. of refrigerant 195 kg Electric power consumption 136,2 kW COP 4.5 Dimensions (L) 2,2 x (W) 1,2 x (H) 2,0 m Shipping weight 3150 kg Operational weight 3610 kg
17. Specification of ETW-L Outgoing temp. Of hot water 90°C 80°C 70°C Hot water power output 547 kW 404 kW 340 kW Flow rate of hot water 48,3 m 3 /h 35,6 m 3 /h 29,8 m 3 /h Temperature of heat source Ingoing 50°C Outgoing 45°C Ingoing 20°C Outgoing 15°C Ingoing 10°C Outgoing 5°C Flow rate of heat source / chilled water 73,1 m 3 /h 48,5 m 3 /h 40,6 m 3 /h Cooling capacity 419 kW 282 kW 237 kW Electric power consumption 147,5 kW 146,8 kW 123,9 kW Overall COP (Heating COP) 6,55 (3,71) 4,67 (2,75) 4,66 (2,75) Dimensions L x W x H 1,6 x 1,2 x 2,0 1,6 x 1,2 x 2,0 1,6 x 1,2 x 2,0 Shipping weight 2400 kg 2400 kg 2400 kg Operational weight 2700 kg 2700 kg 2700 kg
18. ETW system example 10-50 ℃ Heat source ETW Inverter Evap. Cond. 35℃ 30℃ 80℃ 90℃ 90℃ supply line to process Cooling tower wasted to atmosphere Exhaust heat so far Heat the water from 80℃ to 90℃ for process line by utilizing 50 ℃ exhaust heat Econ. Compressor Effective utilization
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20. Application example 1 Sterilization of equipment at food factories. Hot-water tank (inlet) Hot-water tank (outlet) Hot-water tank (inlet) Hot-water tank (outlet) Sterilization equipment of foods factory Sterilization equipment of foods factory After Before ETW Replacing one out of 3 boilers with ETW Boiler
21. Application example 2 Before After ETW Replacing one of 3 boilers with ETW Boiler Hot-water tank (inlet) Hot-water tank (inlet) Hot-water tank (outlet) Hot-water tank (outlet) Heat exchanger Cleaning line Cooling tower Waste heat Cleaning tank Cleaning line Kept at 60℃ Keeping cleaning tank at metal components line warm.
22. CO2 emission and running cost reduction of ETW-H Oil boiler Gas boiler Oil boiler Gas boiler ■ Reduction Effect (Annual Running Cost) ■ Reduction Effect (Annual Amount of CO2 Emission) Amount of CO2 Emission ( ton/year ) Running Cost ( mil. JPY/year ) Compared to the oil boiler, annual CO 2 emission is about 70% and annual running cost is about 50%. ETW-H ETW-H
23. CO2 emission and running cost reduction of ETW-L Oil boiler Gas boiler Oil boiler Gas boiler ■ Reduction Effect (Annual Running Cost) ■ Reduction Effect (Annual Amount of CO2 Emission ) Amount of CO2 Emission ( ton/year ) Running Cost ( mil. JPY/year ) Compared to the oil boiler, annual CO 2 emission is about 70% and annual running cost is about 40%. ETW-L ETW-L
