Specifications

Specifications

Model ETW-L
Capacity Heating capacity kW 340 404 547
Cooling capacity kW 226 268 407
Dimensions Length m 1.55
Width m 1.2
Height m 2.0
Weights Shipping weight kg 2400
Operation weight kg 2700
Lubrication oil JOMO FREOL ALPHA 68B
Charge quantity of lubrication oil L 20
Refrigerant R134a
Charge quantity of refrigerant kg 150
Retained water quantity kg 174
Electricity specification Power source V 400 V class (380 – 440 V), 50/60 Hz free
Power source: auxiliary V
Rated input current A 211 251 251
Electrical power consumption kW 124 147 148
Starting current A Less than rater current value
Inverter capacity kW 160
Compressor Model MCM150L
Quantity 1
Motor output kW 112 132 132
Starting method Soft starter by inverter
Evaporator Water side design pressure MPa(G) 1.0
Entering temperature of heat source water °C 10 20 50
Leaving temperature of heat source water °C 5 15 45
Flow rate of heat source water m3/h 38.8 46.1 70.9
Nozzle size 100A (4 inch)
Pressure drop kPa 12 16 30
Drain / Vent size 15A (1/2 inch)/15A (1/2 inch)
Condensor Water side design pressure MPa(G) 1.0
Entering temperature of hot water °C 60 70 80
Leaving temperature of hot water °C 70 80 90
Flow rate of hot water m3/h 29.8 35.6 48.4
Nozzle size 80A (3 inch)
Pressure drop kPa 14 20 35
Drain / Vent size 15A (1/2 inch)/15A (1/2 inch)
Control Control equipment Microcomputer control panel
Control method Control of 1st-stage vane, control of motor speed, control of hot gas bypass
Protecting circuit High trip condenser pressure, Low trip evaporator pressure, Inverter failure, Oil differential low pressure, High temperature of oil, Low temperature of oil, Current limit, High temperature of motor, Oil pump error, Sensor error, Stop of heat source water, Stop of hot water, Low temperature of heat source water, High temperature of hot water, Position error of control valve
Auxiliary machine Oil pump: 0.4 kW, Heater: 0.5 kW
Capacity control range Min. 20% (125 kW)* – Max. 100% (627 kW)*: continuous control
*Capacity control range shall be changed depending on temperature condition, etc. Less than lower limit: control by ON/OFF switch
Display Liquid crystal display on remote control board
Remote control function Start/Stop, Hot water temperature setting, Status display (pressure, Temperature, Operation, Alarm, Current, Estimated operation hour), Operation schedule setting
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